Update changelog

Use version from v0.4.1 master branch.
Fix missing link to v0.4.1 (L8) so it's not forgotten.

.gitattributes

@@ -2,8 +2,8 @@ docs/* linguist-documentation
 examples/* linguist-documentation
 tutorial/* linguist-documentation
 
-**/*.bom.tsv linguist-generated
+**/*.tsv linguist-generated
-**/*.bom.csv linguist-generated
+**/*.csv linguist-generated
 **/*.gv linguist-generated
 **/*.html linguist-generated
 **/*.png linguist-generated

.github/workflows/main.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: [3.7, 3.8]
+        python-version: ["3.8", "3.10"]
     steps:
       - uses: actions/checkout@v2
       - name: Set up Python ${{ matrix.python-version }}
@@ -22,7 +22,7 @@ jobs:
           python -m pip install --upgrade pip
           pip install .
       - name: Create Examples
-      run: PYTHONPATH=$(pwd)/src:$PYTHONPATH cd src/wireviz/ && python build_examples.py
+        run: PYTHONPATH=$(pwd)/src:$PYTHONPATH python src/wireviz/tools/build_examples.py
       - name: Upload examples, demos, and tutorials
         uses: actions/upload-artifact@v2
         with:

.gitignore

@@ -1,15 +1,21 @@
+# OS-specific files
 .DS_Store
+desktop.ini
+Thumbs.db
+
+# Development aids
 .idea/
-.eggs
+.vscode/
-__pycache__
+temp/
-.*.swp
-*.egg-info
-*.pyc
-build
-data
-dist
 venv/
 .venv/
-desktop.ini
+
-thumbs.db
+# Build/compile/release artifacts
-temp/
+build/
+dist/
+*.egg-info
+*.pyc
+
+# Other temporary files
+__pycache__
+.*.swp

cleanup.sh

@@ -0,0 +1,5 @@
+#!/bin/zsh
+
+autoflake -i --remove-all-unused-imports src/wireviz/*.py
+isort src/wireviz/*py
+black src/wireviz/*.py

devtools.txt

@@ -0,0 +1,12 @@
+# The following tools have proven useful during development
+# Feel free to install while inside the WireViz virtualenv, using:
+# pip install -r devtools.txt
+
+# Code formatting
+black  # black src/wireviz/*.py
+isort  # isort src/wireviz/*py
+
+# Development aids
+pudb       # import pudb; pudb.set_trace()
+autoflake  # autoflake -i --remove-all-unused-imports src/wireviz/*.py
+pyan       # pyan3 src/wireviz/*.py -uncge --html > temp/pyan.html

docs/CHANGELOG.md

@@ -1,18 +1,51 @@
 # Change Log
 
-## [0.4](https://github.com/formatc1702/WireViz/tree/v0.4) (20XX-XX-XX)
+## [0.5](https://github.com/wireviz/WireViz/tree/v0.5) (20XX-XX-XX)
+
+TODO
+
+
+## [0.4.1](https://github.com/wireviz/WireViz/tree/v0.4.1) (2024-07-13)
+
+### Improvements to help reported issues
+
+- Print Python & OS versions when raising unexpected OSError related to #346 & #392 (bugfixes below)
+- Explain unexpeced top-level type ([#342](https://github.com/wireviz/WireViz/issues/342), [#383](https://github.com/wireviz/WireViz/pull/383))
+- Add non-empty label to reduce over-sized loops ([#286](https://github.com/wireviz/WireViz/issues/286), [#381](https://github.com/wireviz/WireViz/pull/381))
+- Improve placeholder name consistency ([#377](https://github.com/wireviz/WireViz/issues/377), [#380](https://github.com/wireviz/WireViz/pull/380))
+- Add work-around for Graphviz SVG bug ([#175](https://github.com/wireviz/WireViz/issues/175), [#371](https://github.com/wireviz/WireViz/pull/371))
+
+### Bugfixes
+
+- Avoid ResourceWarning: unclosed file ([#309 (comment)](https://github.com/wireviz/WireViz/pull/309#issuecomment-2170988381), [#395](https://github.com/wireviz/WireViz/pull/395))
+- Catch ValueError and OSError(errno=None) ([#318 (review)](https://github.com/wireviz/WireViz/pull/318#pullrequestreview-1457016602), [#391](https://github.com/wireviz/WireViz/issues/391), [#392](https://github.com/wireviz/WireViz/pull/392))
+- Add minor missing doc entry ([#186 (comment)](https://github.com/wireviz/WireViz/pull/186#issuecomment-2139037434), [#186 (comment)](https://github.com/wireviz/WireViz/pull/186#issuecomment-2155032522))
+- Avoid Graphviz error when hiding all pins ([#257](https://github.com/wireviz/WireViz/issues/257), [#375](https://github.com/wireviz/WireViz/pull/375))
+- Avoid decimal point and trailing zero for integer BOM quantities ([#340](https://github.com/wireviz/WireViz/issues/340), [#374](https://github.com/wireviz/WireViz/pull/374))
+- Update project URL references ([#316 (comment)](https://github.com/wireviz/WireViz/issues/316#issuecomment-1568748914), [#364](https://github.com/wireviz/WireViz/pull/364))
+- Add missing import of embed_svg_images ([#363](https://github.com/wireviz/WireViz/pull/363))
+- Use correct default title ([#360](https://github.com/wireviz/WireViz/issues/360), [#361](https://github.com/wireviz/WireViz/pull/361))
+- Fix bugs in mate processing ([#355](https://github.com/wireviz/WireViz/issues/355), [#358](https://github.com/wireviz/WireViz/pull/358))
+- Include missing files in published package ([#345](https://github.com/wireviz/WireViz/issues/345), [#347](https://github.com/wireviz/WireViz/pull/347)) 
+- Catch OSError(errno=EINVAL) ([#344](https://github.com/wireviz/WireViz/issues/344), [#346](https://github.com/wireviz/WireViz/pull/346))
+
+
+## [0.4](https://github.com/wireviz/WireViz/tree/v0.4) (2024-05-12)
 
 ### Backward-incompatible changes
 - New syntax for autogenerated components ([#184](https://github.com/wireviz/WireViz/issues/184), [#186](https://github.com/wireviz/WireViz/pull/186))
-- New command line interface ([#244](https://github.com/wireviz/WireViz/pull/244))
+  - Components that are not referenced in any connection set will not be rendered. Instead, a warning will be output in the console. ([#328](https://github.com/wireviz/WireViz/issues/328), [#332](https://github.com/wireviz/WireViz/pull/332))
-
+- New command line interface ([#244](https://github.com/wireviz/WireViz/pull/244)). Run `wireviz --help` for details 
+  - The path specified with the `-o`/`--output-dir` option no longer includes the filename (without extension) of the generated files. Use the `-O`/`--output-name` option to specify a different filename for the generated files.
+- The `.gv` file is no longer included as a default output format (only as an intermediate file during processing) unless specified with the new `-f` option described below.
 
 ### New features
 
 - Allow mates between connectors ([#134](https://github.com/wireviz/WireViz/issues/134), [#186](https://github.com/wireviz/WireViz/pull/186))
 - Improve technical drawing output ([#74](https://github.com/wireviz/WireViz/pull/74), [#32](https://github.com/wireviz/WireViz/issues/32), [#239](https://github.com/wireviz/WireViz/pull/239))
 - Embed images in SVG output ([#189](https://github.com/wireviz/WireViz/pull/189))
-
+- Add ability to choose output formats using the `-f`/`--format` command line option ([#60](https://github.com/wireviz/WireViz/issues/60))
+- Add option to multiply additional component quantity by number of unpopulated positions on connector ([#298](https://github.com/wireviz/WireViz/pull/298))
 
 ### Misc. fixes
 - Use `isort` and `black` for cleaner code and easier merging ([#248](https://github.com/wireviz/WireViz/pull/248))
@@ -21,93 +54,89 @@
 - Minor adjustments ([#256](https://github.com/wireviz/WireViz/pull/256))
 
 
-## [0.3.2](https://github.com/formatc1702/WireViz/tree/v0.3.2) (2021-11-27)
+## [0.3.2](https://github.com/wireviz/WireViz/tree/v0.3.2) (2021-11-27)
 
 ### Hotfix
 
-- Adjust GraphViz generation code for compatibility with v0.18 of the `graphviz` Python package ([#258](https://github.com/formatc1702/WireViz/issues/258), [#261](https://github.com/formatc1702/WireViz/pull/261))
+- Adjust GraphViz generation code for compatibility with v0.18 of the `graphviz` Python package ([#258](https://github.com/wireviz/WireViz/issues/258), [#261](https://github.com/wireviz/WireViz/pull/261))
 
 
-## [0.3.1](https://github.com/formatc1702/WireViz/tree/v0.3.1) (2021-10-25)
+## [0.3.1](https://github.com/wireviz/WireViz/tree/v0.3.1) (2021-10-25)
 
 ### Hotfix
 
-- Assign generic harness title when using WireViz as a module and not specifying an output file name ([#253](https://github.com/formatc1702/WireViz/issues/253), [#254](https://github.com/formatc1702/WireViz/pull/254))
+- Assign generic harness title when using WireViz as a module and not specifying an output file name ([#253](https://github.com/wireviz/WireViz/issues/253), [#254](https://github.com/wireviz/WireViz/pull/254))
 
 
-## [0.3](https://github.com/formatc1702/WireViz/tree/v0.3) (2021-10-11)
+## [0.3](https://github.com/wireviz/WireViz/tree/v0.3) (2021-10-11)
 
 ### New features
 
-- Allow referencing a cable's/bundle's wires by color or by label ([#70](https://github.com/formatc1702/WireViz/issues/70), [#169](https://github.com/formatc1702/WireViz/issues/169), [#193](https://github.com/formatc1702/WireViz/issues/193), [#194](https://github.com/formatc1702/WireViz/pull/194))
+- Allow referencing a cable's/bundle's wires by color or by label ([#70](https://github.com/wireviz/WireViz/issues/70), [#169](https://github.com/wireviz/WireViz/issues/169), [#193](https://github.com/wireviz/WireViz/issues/193), [#194](https://github.com/wireviz/WireViz/pull/194))
-- Allow additional BOM items within components ([#50](https://github.com/formatc1702/WireViz/issues/50), [#115](https://github.com/formatc1702/WireViz/pull/115))
+- Allow additional BOM items within components ([#50](https://github.com/wireviz/WireViz/issues/50), [#115](https://github.com/wireviz/WireViz/pull/115))
-- Add support for length units in cables and wires ([#7](https://github.com/formatc1702/WireViz/issues/7), [#196](https://github.com/formatc1702/WireViz/pull/196) (with work from [#161](https://github.com/formatc1702/WireViz/pull/161), [#162](https://github.com/formatc1702/WireViz/pull/162), [#171](https://github.com/formatc1702/WireViz/pull/171)), [#198](https://github.com/formatc1702/WireViz/pull/198), [#205](https://github.com/formatc1702/WireViz/issues/205). [#206](https://github.com/formatc1702/WireViz/pull/206))
+- Add support for length units in cables and wires ([#7](https://github.com/wireviz/WireViz/issues/7), [#196](https://github.com/wireviz/WireViz/pull/196) (with work from [#161](https://github.com/wireviz/WireViz/pull/161), [#162](https://github.com/wireviz/WireViz/pull/162), [#171](https://github.com/wireviz/WireViz/pull/171)), [#198](https://github.com/wireviz/WireViz/pull/198), [#205](https://github.com/wireviz/WireViz/issues/205). [#206](https://github.com/wireviz/WireViz/pull/206))
-- Add option to define connector pin colors ([#53](https://github.com/formatc1702/WireViz/issues/53), [#141](https://github.com/formatc1702/WireViz/pull/141))
+- Add option to define connector pin colors ([#53](https://github.com/wireviz/WireViz/issues/53), [#141](https://github.com/wireviz/WireViz/pull/141))
-- Remove HTML links from the input attributes ([#164](https://github.com/formatc1702/WireViz/pull/164))
+- Remove HTML links from the input attributes ([#164](https://github.com/wireviz/WireViz/pull/164))
-- Add harness metadata section ([#158](https://github.com/formatc1702/WireViz/issues/158), [#214](https://github.com/formatc1702/WireViz/pull/214))
+- Add harness metadata section ([#158](https://github.com/wireviz/WireViz/issues/158), [#214](https://github.com/wireviz/WireViz/pull/214))
-- Add support for supplier and supplier part number information ([#240](https://github.com/formatc1702/WireViz/issues/240), [#241](https://github.com/formatc1702/WireViz/pull/241/))
+- Add support for supplier and supplier part number information ([#240](https://github.com/wireviz/WireViz/issues/240), [#241](https://github.com/wireviz/WireViz/pull/241/))
-- Add graph rendering options (colors, font, color name display style, ...) ([#158](https://github.com/formatc1702/WireViz/issues/158), [#214](https://github.com/formatc1702/WireViz/pull/214))
+- Add graph rendering options (background colors, fontname, color name display style, ...) ([#158](https://github.com/wireviz/WireViz/issues/158), [#214](https://github.com/wireviz/WireViz/pull/214))
-- Add support for supplier and supplier part number information ([#240](https://github.com/formatc1702/WireViz/issues/240), [#241](https://github.com/formatc1702/WireViz/pull/241/))
+- Add support for background colors for cables and connectors, as well as for some individual cells ([#210](https://github.com/wireviz/WireViz/issues/210), [#219](https://github.com/wireviz/WireViz/pull/219))
-- Add graph rendering options (colors, font, color name display style, ...) ([#158](https://github.com/formatc1702/WireViz/issues/158), [#214](https://github.com/formatc1702/WireViz/pull/214))
+- Add optional tweaking of the .gv output ([#215](https://github.com/wireviz/WireViz/pull/215)) (experimental)
-- Add support for background colors for cables and connectors, as well as for some individual cells ([#210](https://github.com/formatc1702/WireViz/issues/210), [#219](https://github.com/formatc1702/WireViz/pull/219))
-- Add optional tweaking of the .gv output ([#215](https://github.com/formatc1702/WireViz/pull/215)) (experimental)
-
 
 ### Misc. fixes
 
-- Remove case-sensitivity issues with pin names and labels ([#160](https://github.com/formatc1702/WireViz/issues/160), [#229](https://github.com/formatc1702/WireViz/pull/229))
+- Remove case-sensitivity issues with pin names and labels ([#160](https://github.com/wireviz/WireViz/issues/160), [#229](https://github.com/wireviz/WireViz/pull/229))
-- Improve type hinting ([#156](https://github.com/formatc1702/WireViz/issues/156), [#163](https://github.com/formatc1702/WireViz/pull/163))
+- Improve type hinting ([#156](https://github.com/wireviz/WireViz/issues/156), [#163](https://github.com/wireviz/WireViz/pull/163))
-- Move BOM management and HTML functions to separate modules ([#151](https://github.com/formatc1702/WireViz/issues/151), [#192](https://github.com/formatc1702/WireViz/pull/192))
+- Move BOM management and HTML functions to separate modules ([#151](https://github.com/wireviz/WireViz/issues/151), [#192](https://github.com/wireviz/WireViz/pull/192))
-- Simplify BOM code ([#197](https://github.com/formatc1702/WireViz/pull/197))
+- Simplify BOM code ([#197](https://github.com/wireviz/WireViz/pull/197))
-- Bug fixes ([#218](https://github.com/formatc1702/WireViz/pull/218), [#221](https://github.com/formatc1702/WireViz/pull/221))
+- Bug fixes ([#218](https://github.com/wireviz/WireViz/pull/218), [#221](https://github.com/wireviz/WireViz/pull/221))
 
 ### Known issues
 
-- Including images in the harness may lead to issues in the following cases: ([#189](https://github.com/formatc1702/WireViz/pull/189), [#220](https://github.com/formatc1702/WireViz/issues/220))
+- Including images in the harness may lead to issues in the following cases: ([#189](https://github.com/wireviz/WireViz/pull/189), [#220](https://github.com/wireviz/WireViz/issues/220))
   - When using the `-o`/`--output_file` CLI option, specifying an output path in a different directory from the input file
   - When using the `--prepend-file` CLI option, specifying a prepend file in a different directory from the mail input file
 
-## [0.2](https://github.com/formatc1702/WireViz/tree/v0.2) (2020-10-17)
+
+## [0.2](https://github.com/wireviz/WireViz/tree/v0.2) (2020-10-17)
 
 ### Backward incompatible changes
 
-- Change names of connector attributes ([#77](https://github.com/formatc1702/WireViz/issues/77), [#105](https://github.com/formatc1702/WireViz/pull/105))
+- Change names of connector attributes ([#77](https://github.com/wireviz/WireViz/issues/77), [#105](https://github.com/wireviz/WireViz/pull/105))
   - `pinnumbers` is now `pins`
   - `pinout` is now `pinlabels`
-- Remove ferrules as a separate connector type ([#78](https://github.com/formatc1702/WireViz/issues/78), [#102](https://github.com/formatc1702/WireViz/pull/102))
+- Remove ferrules as a separate connector type ([#78](https://github.com/wireviz/WireViz/issues/78), [#102](https://github.com/wireviz/WireViz/pull/102))
   - Simple connectors like ferrules are now defined using the `style: simple` attribute
-- Change the way loops are defined ([#79](https://github.com/formatc1702/WireViz/issues/79), [#75](https://github.com/formatc1702/WireViz/pull/75))
+- Change the way loops are defined ([#79](https://github.com/wireviz/WireViz/issues/79), [#75](https://github.com/wireviz/WireViz/pull/75))
   - Wires looping between two pins of the same connector are now handled via the connector's `loops` attribute.
 
 See the [syntax description](syntax.md) for details.
 
-
 ### New features
 
-- Add bidirectional AWG/mm2 conversion ([#40](https://github.com/formatc1702/WireViz/issues/40), [#41](https://github.com/formatc1702/WireViz/pull/41))
+- Add bidirectional AWG/mm2 conversion ([#40](https://github.com/wireviz/WireViz/issues/40), [#41](https://github.com/wireviz/WireViz/pull/41))
-- Add support for part numbers ([#11](https://github.com/formatc1702/WireViz/pull/11), [#114](https://github.com/formatc1702/WireViz/issues/114), [#121](https://github.com/formatc1702/WireViz/pull/121))
+- Add support for part numbers ([#11](https://github.com/wireviz/WireViz/pull/11), [#114](https://github.com/wireviz/WireViz/issues/114), [#121](https://github.com/wireviz/WireViz/pull/121))
-- Add support for multicolored wires ([#12](https://github.com/formatc1702/WireViz/issues/12), [#17](https://github.com/formatc1702/WireViz/pull/17), [#96](https://github.com/formatc1702/WireViz/pull/96), [#131](https://github.com/formatc1702/WireViz/issues/131), [#132](https://github.com/formatc1702/WireViz/pull/132))
+- Add support for multicolored wires ([#12](https://github.com/wireviz/WireViz/issues/12), [#17](https://github.com/wireviz/WireViz/pull/17), [#96](https://github.com/wireviz/WireViz/pull/96), [#131](https://github.com/wireviz/WireViz/issues/131), [#132](https://github.com/wireviz/WireViz/pull/132))
-- Add support for images ([#27](https://github.com/formatc1702/WireViz/issues/27), [#153](https://github.com/formatc1702/WireViz/pull/153))
+- Add support for images ([#27](https://github.com/wireviz/WireViz/issues/27), [#153](https://github.com/wireviz/WireViz/pull/153))
-- Add ability to export data directly to other programs ([#55](https://github.com/formatc1702/WireViz/pull/55))
+- Add ability to export data directly to other programs ([#55](https://github.com/wireviz/WireViz/pull/55))
-- Add support for line breaks in various fields ([#49](https://github.com/formatc1702/WireViz/issues/49), [#64](https://github.com/formatc1702/WireViz/pull/64))
+- Add support for line breaks in various fields ([#49](https://github.com/wireviz/WireViz/issues/49), [#64](https://github.com/wireviz/WireViz/pull/64))
-- Allow using connector pin names to define connections ([#72](https://github.com/formatc1702/WireViz/issues/72), [#139](https://github.com/formatc1702/WireViz/issues/139), [#140](https://github.com/formatc1702/WireViz/pull/140))
+- Allow using connector pin names to define connections ([#72](https://github.com/wireviz/WireViz/issues/72), [#139](https://github.com/wireviz/WireViz/issues/139), [#140](https://github.com/wireviz/WireViz/pull/140))
-- Make defining connection sets easier and more flexible ([#67](https://github.com/formatc1702/WireViz/issues/67), [#75](https://github.com/formatc1702/WireViz/pull/75))
+- Make defining connection sets easier and more flexible ([#67](https://github.com/wireviz/WireViz/issues/67), [#75](https://github.com/wireviz/WireViz/pull/75))
-- Add new command line options ([#167](https://github.com/formatc1702/WireViz/issues/167), [#173](https://github.com/formatc1702/WireViz/pull/173))
+- Add new command line options ([#167](https://github.com/wireviz/WireViz/issues/167), [#173](https://github.com/wireviz/WireViz/pull/173))
-- Add new features to `build_examples.py` ([#118](https://github.com/formatc1702/WireViz/pull/118))
+- Add new features to `build_examples.py` ([#118](https://github.com/wireviz/WireViz/pull/118))
-- Add new colors ([#103](https://github.com/formatc1702/WireViz/pull/103), [#113](https://github.com/formatc1702/WireViz/pull/113), [#144](https://github.com/formatc1702/WireViz/issues/144), [#145](https://github.com/formatc1702/WireViz/pull/145))
+- Add new colors ([#103](https://github.com/wireviz/WireViz/pull/103), [#113](https://github.com/wireviz/WireViz/pull/113), [#144](https://github.com/wireviz/WireViz/issues/144), [#145](https://github.com/wireviz/WireViz/pull/145))
-- Improve documentation ([#107](https://github.com/formatc1702/WireViz/issues/107), [#111](https://github.com/formatc1702/WireViz/pull/111))
+- Improve documentation ([#107](https://github.com/wireviz/WireViz/issues/107), [#111](https://github.com/wireviz/WireViz/pull/111))
-
 
 ### Misc. fixes
 
 - Improve BOM generation
 - Add various input sanity checks
-- Improve HTML output ([#66](https://github.com/formatc1702/WireViz/issues/66), [#136](https://github.com/formatc1702/WireViz/pull/136), [#95](https://github.com/formatc1702/WireViz/pull/95), [#177](https://github.com/formatc1702/WireViz/pull/177))
+- Improve HTML output ([#66](https://github.com/wireviz/WireViz/issues/66), [#136](https://github.com/wireviz/WireViz/pull/136), [#95](https://github.com/wireviz/WireViz/pull/95), [#177](https://github.com/wireviz/WireViz/pull/177))
-- Fix node rendering bug ([#69](https://github.com/formatc1702/WireViz/issues/69), [#104](https://github.com/formatc1702/WireViz/pull/104))
+- Fix node rendering bug ([#69](https://github.com/wireviz/WireViz/issues/69), [#104](https://github.com/wireviz/WireViz/pull/104))
-- Improve shield rendering ([#125](https://github.com/formatc1702/WireViz/issues/125), [#126](https://github.com/formatc1702/WireViz/pull/126))
+- Improve shield rendering ([#125](https://github.com/wireviz/WireViz/issues/125), [#126](https://github.com/wireviz/WireViz/pull/126))
-- Add GitHub Linguist overrides ([#146](https://github.com/formatc1702/WireViz/issues/146), [#154](https://github.com/formatc1702/WireViz/pull/154))
+- Add GitHub Linguist overrides ([#146](https://github.com/wireviz/WireViz/issues/146), [#154](https://github.com/wireviz/WireViz/pull/154))
 
 
-## [0.1](https://github.com/formatc1702/WireViz/tree/v0.1) (2020-06-29)
+## [0.1](https://github.com/wireviz/WireViz/tree/v0.1) (2020-06-29)
 
 - Initial release

docs/README.md

@@ -74,13 +74,13 @@ Output file:
 
 ![Sample output diagram](../examples/demo01.png)
 
-[Bill of Materials](../examples/demo01.bom.tsv) (auto-generated)
+[Bill of Materials](../examples/demo01.tsv) (auto-generated)
 
 ### Demo 02
 
 ![](../examples/demo02.png)
 
-[Source](../examples/demo02.yml) - [Bill of Materials](../examples/demo02.bom.tsv)
+[Source](../examples/demo02.yml) - [Bill of Materials](../examples/demo02.tsv)
 
 ### Syntax, tutorial and example gallery
 
@@ -133,7 +133,7 @@ Depending on the options specified, this will output some or all of the followin
 mywire.gv         GraphViz output
 mywire.svg        Wiring diagram as vector image
 mywire.png        Wiring diagram as raster image
-mywire.bom.tsv    BOM (bill of materials) as tab-separated text file
+mywire.tsv        BOM (bill of materials) as tab-separated text file
 mywire.html       HTML page with wiring diagram and BOM embedded
 ```
 

docs/buildscript.md

@@ -26,7 +26,7 @@ Possible group names:
   - `tutorial` to process`tutorial/{readme.md,tutorial*.*}`
   - `demos` to process`examples/demo*.*`
 
-  Affected filetypes: `.gv`, `.bom.tsv`, `.png`, `.svg`, `.html`
+  Affected filetypes: `.gv`, `.tsv`, `.png`, `.svg`, `.html`
 
 
 ## Usage hints

examples/demo01.gv

@@ -60,6 +60,8 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
+	edge [color="#000000:#ffffff:#000000"]
+	X1:p7r:e -- X1:p8r:e
 	X2 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>

examples/demo01.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>demo01</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>demo01</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="833pt" height="291pt"
@@ -18,6 +41,7 @@
 <g id="node1" class="node">
 <title>X1</title>
 <polygon fill="#ffffff" stroke="black" points="139,-253 0,-253 0,0 139,0 139,-253"/>
+<polygon fill="#ffffff" stroke="transparent" points="0,0 0,-253 139,-253 139,0 0,0"/>
 <polygon fill="none" stroke="black" points="0.5,-229.5 0.5,-252.5 139.5,-252.5 139.5,-229.5 0.5,-229.5"/>
 <text text-anchor="start" x="61" y="-237.3" font-family="arial" font-size="14.00">X1</text>
 <polygon fill="none" stroke="black" points="0.5,-206.5 0.5,-229.5 48.5,-229.5 48.5,-206.5 0.5,-206.5"/>
@@ -63,6 +87,13 @@
 <polygon fill="none" stroke="black" points="82.5,0.5 82.5,-22.5 139.5,-22.5 139.5,0.5 82.5,0.5"/>
 <text text-anchor="start" x="107" y="-7.3" font-family="arial" font-size="14.00">9</text>
 </g>
+<!-- X1&#45;&#45;X1 -->
+<g id="edge1" class="edge">
+<title>X1:e&#45;&#45;X1:e</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M139.95,-54.55C192,-66.5 298,-66.5 296,-45 298,-23.5 192,-23.5 139.95,-35.45"/>
+<path fill="none" stroke="#ffffff" stroke-width="2" d="M139.5,-56.5C192,-68.5 298,-68.5 298,-45 298,-21.5 192,-21.5 139.5,-33.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M139.05,-58.45C192,-70.5 298,-70.5 300,-45 298,-19.5 192,-19.5 139.05,-31.55"/>
+</g>
 <!-- W1 -->
 <g id="node3" class="node">
 <title>W1</title>
@@ -103,28 +134,28 @@
 <text text-anchor="start" x="315.5" y="-89.3" font-family="arial" font-size="14.00"> </text>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge1" class="edge">
+<g id="edge2" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-100.5C217.18,-102.68 208.81,-195.68 283,-193.5"/>
 <path fill="none" stroke="#ffffff" stroke-width="2" d="M139,-102.5C215.19,-102.5 206.81,-195.5 283,-195.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-104.5C213.19,-102.32 204.82,-195.32 283,-197.5"/>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge3" class="edge">
+<g id="edge4" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-170.5C202.76,-170.52 218.75,-168.52 283,-168.5"/>
 <path fill="none" stroke="#895956" stroke-width="2" d="M139,-172.5C203.01,-172.5 218.99,-170.5 283,-170.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-174.5C203.25,-174.48 219.24,-172.48 283,-172.5"/>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge5" class="edge">
+<g id="edge6" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-147.5C202.54,-147.56 218.49,-143.56 283,-143.5"/>
 <path fill="none" stroke="#00ff00" stroke-width="2" d="M139,-149.5C203.02,-149.5 218.98,-145.5 283,-145.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-151.5C203.51,-151.44 219.46,-147.44 283,-147.5"/>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge7" class="edge">
+<g id="edge8" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-102.5C203,-102.5 219,-103.5 283,-103.5"/>
 </g>
@@ -132,6 +163,7 @@
 <g id="node2" class="node">
 <title>X2</title>
 <polygon fill="#ffffff" stroke="black" points="825,-254 638,-254 638,-139 825,-139 825,-254"/>
+<polygon fill="#ffffff" stroke="transparent" points="638,-139 638,-254 825,-254 825,-139 638,-139"/>
 <polygon fill="none" stroke="black" points="638.5,-230.5 638.5,-253.5 825.5,-253.5 825.5,-230.5 638.5,-230.5"/>
 <text text-anchor="start" x="723" y="-238.3" font-family="arial" font-size="14.00">X2</text>
 <polygon fill="none" stroke="black" points="638.5,-207.5 638.5,-230.5 734.5,-230.5 734.5,-207.5 638.5,-207.5"/>
@@ -154,21 +186,21 @@
 <text text-anchor="start" x="764" y="-146.3" font-family="arial" font-size="14.00">TX</text>
 </g>
 <!-- W1&#45;&#45;X2 -->
-<g id="edge2" class="edge">
+<g id="edge3" class="edge">
 <title>W1:e&#45;&#45;X2:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-193.5C558,-193.5 574,-193.5 638,-193.5"/>
 <path fill="none" stroke="#ffffff" stroke-width="2" d="M494,-195.5C558,-195.5 574,-195.5 638,-195.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-197.5C558,-197.5 574,-197.5 638,-197.5"/>
 </g>
 <!-- W1&#45;&#45;X2 -->
-<g id="edge4" class="edge">
+<g id="edge5" class="edge">
 <title>W1:e&#45;&#45;X2:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-168.5C557.04,-169.36 571.68,-148.36 638,-147.5"/>
 <path fill="none" stroke="#895956" stroke-width="2" d="M494,-170.5C558.68,-170.5 573.32,-149.5 638,-149.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-172.5C560.32,-171.64 574.96,-150.64 638,-151.5"/>
 </g>
 <!-- W1&#45;&#45;X2 -->
-<g id="edge6" class="edge">
+<g id="edge7" class="edge">
 <title>W1:e&#45;&#45;X2:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-143.5C560.9,-144.59 574.67,-171.59 638,-170.5"/>
 <path fill="none" stroke="#00ff00" stroke-width="2" d="M494,-145.5C559.12,-145.5 572.88,-172.5 638,-172.5"/>
@@ -176,35 +208,47 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 3 x 0.25 mm&sup2; shielded</td>
+    <td class="bom_col_description">Cable, 3 x 0.25 mm² shielded</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, D-Sub, female, 9 pins</td>
+    <td class="bom_col_description">Connector, D-Sub, female, 9 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1</td>
+    <td class="bom_col_designators">X1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 3 pins</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 3 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X2</td>
+    <td class="bom_col_designators">X2</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/demo01.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="833pt" height="291pt"
@@ -12,6 +12,7 @@
 <g id="node1" class="node">
 <title>X1</title>
 <polygon fill="#ffffff" stroke="black" points="139,-253 0,-253 0,0 139,0 139,-253"/>
+<polygon fill="#ffffff" stroke="transparent" points="0,0 0,-253 139,-253 139,0 0,0"/>
 <polygon fill="none" stroke="black" points="0.5,-229.5 0.5,-252.5 139.5,-252.5 139.5,-229.5 0.5,-229.5"/>
 <text text-anchor="start" x="61" y="-237.3" font-family="arial" font-size="14.00">X1</text>
 <polygon fill="none" stroke="black" points="0.5,-206.5 0.5,-229.5 48.5,-229.5 48.5,-206.5 0.5,-206.5"/>
@@ -57,6 +58,13 @@
 <polygon fill="none" stroke="black" points="82.5,0.5 82.5,-22.5 139.5,-22.5 139.5,0.5 82.5,0.5"/>
 <text text-anchor="start" x="107" y="-7.3" font-family="arial" font-size="14.00">9</text>
 </g>
+<!-- X1&#45;&#45;X1 -->
+<g id="edge1" class="edge">
+<title>X1:e&#45;&#45;X1:e</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M139.95,-54.55C192,-66.5 298,-66.5 296,-45 298,-23.5 192,-23.5 139.95,-35.45"/>
+<path fill="none" stroke="#ffffff" stroke-width="2" d="M139.5,-56.5C192,-68.5 298,-68.5 298,-45 298,-21.5 192,-21.5 139.5,-33.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M139.05,-58.45C192,-70.5 298,-70.5 300,-45 298,-19.5 192,-19.5 139.05,-31.55"/>
+</g>
 <!-- W1 -->
 <g id="node3" class="node">
 <title>W1</title>
@@ -97,28 +105,28 @@
 <text text-anchor="start" x="315.5" y="-89.3" font-family="arial" font-size="14.00"> </text>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge1" class="edge">
+<g id="edge2" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-100.5C217.18,-102.68 208.81,-195.68 283,-193.5"/>
 <path fill="none" stroke="#ffffff" stroke-width="2" d="M139,-102.5C215.19,-102.5 206.81,-195.5 283,-195.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-104.5C213.19,-102.32 204.82,-195.32 283,-197.5"/>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge3" class="edge">
+<g id="edge4" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-170.5C202.76,-170.52 218.75,-168.52 283,-168.5"/>
 <path fill="none" stroke="#895956" stroke-width="2" d="M139,-172.5C203.01,-172.5 218.99,-170.5 283,-170.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-174.5C203.25,-174.48 219.24,-172.48 283,-172.5"/>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge5" class="edge">
+<g id="edge6" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-147.5C202.54,-147.56 218.49,-143.56 283,-143.5"/>
 <path fill="none" stroke="#00ff00" stroke-width="2" d="M139,-149.5C203.02,-149.5 218.98,-145.5 283,-145.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-151.5C203.51,-151.44 219.46,-147.44 283,-147.5"/>
 </g>
 <!-- X1&#45;&#45;W1 -->
-<g id="edge7" class="edge">
+<g id="edge8" class="edge">
 <title>X1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M139,-102.5C203,-102.5 219,-103.5 283,-103.5"/>
 </g>
@@ -126,6 +134,7 @@
 <g id="node2" class="node">
 <title>X2</title>
 <polygon fill="#ffffff" stroke="black" points="825,-254 638,-254 638,-139 825,-139 825,-254"/>
+<polygon fill="#ffffff" stroke="transparent" points="638,-139 638,-254 825,-254 825,-139 638,-139"/>
 <polygon fill="none" stroke="black" points="638.5,-230.5 638.5,-253.5 825.5,-253.5 825.5,-230.5 638.5,-230.5"/>
 <text text-anchor="start" x="723" y="-238.3" font-family="arial" font-size="14.00">X2</text>
 <polygon fill="none" stroke="black" points="638.5,-207.5 638.5,-230.5 734.5,-230.5 734.5,-207.5 638.5,-207.5"/>
@@ -148,21 +157,21 @@
 <text text-anchor="start" x="764" y="-146.3" font-family="arial" font-size="14.00">TX</text>
 </g>
 <!-- W1&#45;&#45;X2 -->
-<g id="edge2" class="edge">
+<g id="edge3" class="edge">
 <title>W1:e&#45;&#45;X2:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-193.5C558,-193.5 574,-193.5 638,-193.5"/>
 <path fill="none" stroke="#ffffff" stroke-width="2" d="M494,-195.5C558,-195.5 574,-195.5 638,-195.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-197.5C558,-197.5 574,-197.5 638,-197.5"/>
 </g>
 <!-- W1&#45;&#45;X2 -->
-<g id="edge4" class="edge">
+<g id="edge5" class="edge">
 <title>W1:e&#45;&#45;X2:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-168.5C557.04,-169.36 571.68,-148.36 638,-147.5"/>
 <path fill="none" stroke="#895956" stroke-width="2" d="M494,-170.5C558.68,-170.5 573.32,-149.5 638,-149.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-172.5C560.32,-171.64 574.96,-150.64 638,-151.5"/>
 </g>
 <!-- W1&#45;&#45;X2 -->
-<g id="edge6" class="edge">
+<g id="edge7" class="edge">
 <title>W1:e&#45;&#45;X2:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M494,-143.5C560.9,-144.59 574.67,-171.59 638,-170.5"/>
 <path fill="none" stroke="#00ff00" stroke-width="2" d="M494,-145.5C559.12,-145.5 572.88,-172.5 638,-172.5"/>

examples/demo01.yml

@@ -1,8 +1,13 @@
+metadata:
+  title: demo01
+
 connectors:
   X1:
     type: D-Sub
     subtype: female
     pinlabels: [DCD, RX, TX, DTR, GND, DSR, RTS, CTS, RI]
+    loops:
+      - [7,8]
   X2:
     type: Molex KK 254
     subtype: female

examples/demo02.gv

@@ -168,7 +168,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_1 [label=<
+	AUTOGENERATED_F_1 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -180,7 +180,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_2 [label=<
+	AUTOGENERATED_F_2 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -487,10 +487,10 @@ graph {
 </table>
 > fillcolor="#FFFFFF" shape=box style="filled,dashed"]
 	edge [color="#000000:#000000:#000000"]
-	_ferrule_crimp_1:e -- W4:w1:w
+	AUTOGENERATED_F_1:e -- W4:w1:w
 	W4:w1:e -- X4:p1l:w
 	edge [color="#000000:#ff0000:#000000"]
-	_ferrule_crimp_2:e -- W4:w2:w
+	AUTOGENERATED_F_2:e -- W4:w2:w
 	W4:w2:e -- X4:p2l:w
 	W4 [label=<
 <table border="0" cellspacing="0" cellpadding="0">

examples/demo02.html

@@ -1,13 +1,194 @@
 <!DOCTYPE html>
-<html lang="en"><head>
+<html>
+<head>
   <meta charset="UTF-8">
+  <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
- <title>demo02</title>
+  <title>WireViz Demo 2</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
-<h1>demo02</h1>
+    body {
-<h2>Diagram</h2>
+      font-family: arial;
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+      background-color: #ffffff;
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+    }
+
+    table, td, th, #frame {
+      border: 0.35mm solid black; /* line weight based on DIN 15 */
+    }
+
+    table {
+      padding: 0;
+      border-bottom: 0;
+      border-right: 0;
+      border-spacing: 0mm;
+    }
+
+    td, th {
+      border-top: 0;
+      border-left: 0;
+
+      overflow: hidden;
+      /* display: inline-block; */
+      white-space: nowrap;
+      font-size: 2.8mm;
+    }
+
+    /* Canvas size based on DIN 823 / DIN 6771 / EN ISO 5457 */
+
+    #frame {
+      position: relative;
+    }
+
+    .A4, .sheetsize_default { /* portrait */
+      width: 180mm;
+      height: 277mm;
+    }
+
+    .A3 { /* landscape */
+      width: 390mm;
+      height: 277mm;
+    }
+
+    .A2 { /* landscape */
+      width: 564mm;
+      height: 400mm;
+    }
+
+    #diagram {
+      position: relative;
+      top: 0;
+      left: 0;
+      max-width: 100%;
+      height: calc(100% - 13 * 4.25mm);
+      /* TODO: auto-adapt to height of title block + BOM table;
+               BOM table might be above (A4) or to the left (A3 and larger) of the title block */
+      text-align: center;
+      vertical-align: middle;
+    }
+
+    #diagram svg, #diagram img {
+      max-width: 95%;
+      max-height: 100%;
+      position: relative;
+      top: 50%;
+      transform: translateY(-50%);
+    }
+
+    #titleblock {
+      position: absolute;
+      bottom: 0mm;
+      right: -0mm;
+    }
+
+    #titleblock table {
+      width: 180mm;
+      height: 38.25mm;
+    }
+
+    #titleblock tr, #bom tr {
+      height: 4.25mm;
+    }
+
+    .A4 #bom { /* BOM on top of title block */
+      position: absolute;
+      bottom: 38.25mm;
+      right: 0;
+    }
+
+    .A3 #bom, .A2 #bom { /* BOM to the left of title block */
+      position: absolute;
+      bottom: 0mm;
+      left: 0mm;
+    }
+
+    #bom table {
+      width:180mm;
+    }
+
+    #bom th, td {
+      text-align: left;
+    }
+
+    #bom .bom_col_id {
+      text-align: center;
+    }
+
+    #bom .bom_col_qty {
+      text-align: right;
+    }
+
+    .name {
+      width: 16mm;
+    }
+
+    .date {
+      width: 10mm;
+    }
+
+    .revno {
+      text-align: center;
+      width: 6mm;
+    }
+
+    .changelog {
+      width: 22mm;
+    }
+
+    .process {
+      width: 18mm;
+    }
+
+    .title {
+      width: 82mm;
+      font-size: 5.6mm;
+      text-align: center;
+      white-space: normal;
+    }
+
+    .company {
+      font-size: 4mm;
+      text-align: center;
+      white-space: normal;
+    }
+
+    .partno {
+      font-size: 4mm;
+      text-align: center;
+      white-space: normal;
+    }
+
+    .sheetno {
+      width: 12.75mm;
+      text-align: center;
+    }
+
+  </style>
+  <style type="text/css" media="print">
+
+    @page {
+      size: auto;
+      margin: 0;
+    }
+
+    /* TODO: auto-adjust based on portrait (larger margin on left) or landscape (larger margin on top) */
+    #page {
+      margin: 10mm;
+      margin-left: 20mm;
+    }
+
+  </style>
+</head>
+<body>
+  <div id="page">
+    <div id="frame" class="A3">
+
+      <div id="diagram">
+
+        <div id="description">
+          <!-- %description% -->
+        </div>
+
+        <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="882pt" height="767pt"
@@ -18,6 +199,7 @@
 <g id="node1" class="node">
 <title>X1</title>
 <polygon fill="#ffffff" stroke="black" points="189.5,-517.5 2.5,-517.5 2.5,-287.5 189.5,-287.5 189.5,-517.5"/>
+<polygon fill="#ffffff" stroke="transparent" points="2.5,-287.5 2.5,-517.5 189.5,-517.5 189.5,-287.5 2.5,-287.5"/>
 <polygon fill="none" stroke="black" points="3,-494.5 3,-517.5 190,-517.5 190,-494.5 3,-494.5"/>
 <text text-anchor="start" x="87.5" y="-502.3" font-family="arial" font-size="14.00">X1</text>
 <polygon fill="none" stroke="black" points="3,-471.5 3,-494.5 99,-494.5 99,-471.5 3,-471.5"/>
@@ -264,6 +446,7 @@
 <g id="node2" class="node">
 <title>X2</title>
 <polygon fill="#ffffff" stroke="black" points="874,-726.5 687,-726.5 687,-588.5 874,-588.5 874,-726.5"/>
+<polygon fill="#ffffff" stroke="transparent" points="687,-588.5 687,-726.5 874,-726.5 874,-588.5 687,-588.5"/>
 <polygon fill="none" stroke="black" points="687.5,-703.5 687.5,-726.5 874.5,-726.5 874.5,-703.5 687.5,-703.5"/>
 <text text-anchor="start" x="772" y="-711.3" font-family="arial" font-size="14.00">X2</text>
 <polygon fill="none" stroke="black" points="687.5,-680.5 687.5,-703.5 783.5,-703.5 783.5,-680.5 687.5,-680.5"/>
@@ -293,6 +476,7 @@
 <g id="node3" class="node">
 <title>X3</title>
 <polygon fill="#ffffff" stroke="black" points="874,-518.5 687,-518.5 687,-380.5 874,-380.5 874,-518.5"/>
+<polygon fill="#ffffff" stroke="transparent" points="687,-380.5 687,-518.5 874,-518.5 874,-380.5 687,-380.5"/>
 <polygon fill="none" stroke="black" points="687.5,-495.5 687.5,-518.5 874.5,-518.5 874.5,-495.5 687.5,-495.5"/>
 <text text-anchor="start" x="772" y="-503.3" font-family="arial" font-size="14.00">X3</text>
 <polygon fill="none" stroke="black" points="687.5,-472.5 687.5,-495.5 783.5,-495.5 783.5,-472.5 687.5,-472.5"/>
@@ -322,6 +506,7 @@
 <g id="node4" class="node">
 <title>X4</title>
 <polygon fill="#ffffff" stroke="black" points="874,-322 687,-322 687,-161 874,-161 874,-322"/>
+<polygon fill="#ffffff" stroke="transparent" points="687,-161 687,-322 874,-322 874,-161 687,-161"/>
 <polygon fill="none" stroke="black" points="687.5,-298.5 687.5,-321.5 874.5,-321.5 874.5,-298.5 687.5,-298.5"/>
 <text text-anchor="start" x="772" y="-306.3" font-family="arial" font-size="14.00">X4</text>
 <polygon fill="none" stroke="black" points="687.5,-275.5 687.5,-298.5 783.5,-298.5 783.5,-275.5 687.5,-275.5"/>
@@ -351,10 +536,11 @@
 <polygon fill="none" stroke="black" points="767.5,-160.5 767.5,-183.5 874.5,-183.5 874.5,-160.5 767.5,-160.5"/>
 <text text-anchor="start" x="806.5" y="-168.3" font-family="arial" font-size="14.00">SCK</text>
 </g>
-<!-- _ferrule_crimp_1 -->
+<!-- AUTOGENERATED_F_1 -->
 <g id="node5" class="node">
-<title>_ferrule_crimp_1</title>
+<title>AUTOGENERATED_F_1</title>
 <polygon fill="#ffffff" stroke="black" points="192,-70 0,-70 0,-47 192,-47 192,-70"/>
+<polygon fill="#ffffff" stroke="transparent" points="0,-47 0,-70 192,-70 192,-47 0,-47"/>
 <polygon fill="none" stroke="black" points="0,-46.5 0,-69.5 89,-69.5 89,-46.5 0,-46.5"/>
 <text text-anchor="start" x="4" y="-54.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 <polygon fill="none" stroke="black" points="89,-46.5 89,-69.5 157,-69.5 157,-46.5 89,-46.5"/>
@@ -389,17 +575,18 @@
 <polygon fill="#000000" stroke="transparent" points="340.5,-19.5 340.5,-21.5 539.5,-21.5 539.5,-19.5 340.5,-19.5"/>
 <text text-anchor="start" x="351" y="-6.3" font-family="arial" font-size="14.00"> </text>
 </g>
-<!-- _ferrule_crimp_1&#45;&#45;W4 -->
+<!-- AUTOGENERATED_F_1&#45;&#45;W4 -->
 <g id="edge25" class="edge">
-<title>_ferrule_crimp_1:e&#45;&#45;W4:w</title>
+<title>AUTOGENERATED_F_1:e&#45;&#45;W4:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-56.5C256.61,-56.85 272.63,-45.85 339.5,-45.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-58.5C257.74,-58.5 273.76,-47.5 339.5,-47.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-60.5C258.87,-60.15 274.89,-49.15 339.5,-49.5"/>
 </g>
-<!-- _ferrule_crimp_2 -->
+<!-- AUTOGENERATED_F_2 -->
 <g id="node6" class="node">
-<title>_ferrule_crimp_2</title>
+<title>AUTOGENERATED_F_2</title>
 <polygon fill="#ffffff" stroke="black" points="192,-23 0,-23 0,0 192,0 192,-23"/>
+<polygon fill="#ffffff" stroke="transparent" points="0,0 0,-23 192,-23 192,0 0,0"/>
 <polygon fill="none" stroke="black" points="0,0.5 0,-22.5 89,-22.5 89,0.5 0,0.5"/>
 <text text-anchor="start" x="4" y="-7.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 <polygon fill="none" stroke="black" points="89,0.5 89,-22.5 157,-22.5 157,0.5 89,0.5"/>
@@ -409,9 +596,9 @@
 <polygon fill="#ffff00" stroke="transparent" points="184,0.5 184,-22.5 192,-22.5 192,0.5 184,0.5"/>
 <polygon fill="none" stroke="black" points="184,0.5 184,-22.5 192,-22.5 192,0.5 184,0.5"/>
 </g>
-<!-- _ferrule_crimp_2&#45;&#45;W4 -->
+<!-- AUTOGENERATED_F_2&#45;&#45;W4 -->
 <g id="edge27" class="edge">
-<title>_ferrule_crimp_2:e&#45;&#45;W4:w</title>
+<title>AUTOGENERATED_F_2:e&#45;&#45;W4:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-9.5C258.87,-9.85 274.89,-20.85 339.5,-20.5"/>
 <path fill="none" stroke="#ff0000" stroke-width="2" d="M192,-11.5C257.74,-11.5 273.76,-22.5 339.5,-22.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-13.5C256.61,-13.15 272.63,-24.15 339.5,-24.5"/>
@@ -516,98 +703,193 @@
 </g>
 </g>
 </svg>
-<h2>Bill of Materials</h2>
+
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+        <div id="notes">
+          <!-- %notes% -->
+        </div>
+
+      </div>
+
+      <div id="bom">
+        <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <td class="bom_col_id">12</td>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <td class="bom_col_description">Wire, 0.14 mm², YE</td>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <td class="bom_col_qty">0.6</td>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <td class="bom_col_unit">m</td>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">11</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 2 x 0.25 mm&sup2;</td>
+    <td class="bom_col_description">Wire, 0.14 mm², VT</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.3</td>
+    <td class="bom_col_qty">0.3</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W4</td>
+    <td class="bom_col_designators">W3</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">10</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Crimp ferrule, 0.25 mm&sup2;, YE</td>
+    <td class="bom_col_description">Wire, 0.14 mm², RD</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">0.6</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">9</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 4 pins</td>
+    <td class="bom_col_description">Wire, 0.14 mm², OG</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">0.3</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">X2, X3</td>
+    <td class="bom_col_designators">W3</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">4</td>
+    <td class="bom_col_id">8</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 5 pins</td>
+    <td class="bom_col_description">Wire, 0.14 mm², GN</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">0.6</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">X4</td>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">5</td>
+    <td class="bom_col_id">7</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 8 pins</td>
+    <td class="bom_col_description">Wire, 0.14 mm², BU</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">0.3</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">X1</td>
+    <td class="bom_col_designators">W3</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">6</td>
+    <td class="bom_col_id">6</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.14 mm&sup2;, BK</td>
+    <td class="bom_col_description">Wire, 0.14 mm², BK</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.9</td>
+    <td class="bom_col_qty">0.9</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2, W3</td>
+    <td class="bom_col_designators">W1, W2, W3</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">7</td>
+    <td class="bom_col_id">5</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.14 mm&sup2;, BU</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 8 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.3</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">W3</td>
+    <td class="bom_col_designators">X1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">8</td>
+    <td class="bom_col_id">4</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.14 mm&sup2;, GN</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 5 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.6</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <td class="bom_col_designators">X4</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">9</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.14 mm&sup2;, OG</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 4 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.3</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">W3</td>
+    <td class="bom_col_designators">X2, X3</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">10</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.14 mm&sup2;, RD</td>
+    <td class="bom_col_description">Connector, Crimp ferrule, 0.25 mm², YE</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.6</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <td class="bom_col_designators"></td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">11</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.14 mm&sup2;, VT</td>
+    <td class="bom_col_description">Cable, 2 x 0.25 mm²</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.3</td>
+    <td class="bom_col_qty">0.3</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W3</td>
+    <td class="bom_col_designators">W4</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">12</td>
+    <th class="bom_col_id">Id</th>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.14 mm&sup2;, YE</td>
+    <th class="bom_col_description">Description</th>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.6</td>
+    <th class="bom_col_qty">Qty</th>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <th class="bom_col_unit">Unit</th>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <th class="bom_col_designators">Designators</th>
   </tr>
 </table>
-</body></html>
+
+      </div>
+
+      <div id="titleblock">
+        <table>
+          <tr>
+            <td class="revno"><!-- %revisions_8% --></td>
+            <td class="changelog"><!-- %revisions_8_changelog% --></td>
+            <td class="date"><!-- %revisions_8_date% --></td>
+            <td class="name"><!-- %revisions_8_name% --></td>
+            <td class="process"></td>
+            <td class="date">Date</td>
+            <td class="name">Name</td>
+            <td class="title" colspan="3" rowspan="5">WireViz Demo 2</td>
+          </tr>
+          <tr>
+            <td class="revno"><!-- %revisions_7% --></td>
+            <td><!-- %revisions_7_changelog% --></td>
+            <td><!-- %revisions_7_date% --></td>
+            <td><!-- %revisions_7_name% --></td>
+            <td>Created</td>
+            <td>2020-05-20</td>
+            <td>D. Rojas</td>
+          </tr>
+          <tr>
+            <td class="revno"><!-- %revisions_6% --></td>
+            <td><!-- %revisions_6_changelog% --></td>
+            <td><!-- %revisions_6_date% --></td>
+            <td><!-- %revisions_6_name% --></td>
+            <td>Approved</td>
+            <td>2020-05-20</td>
+            <td>D. Rojas</td>
+          </tr>
+          <tr>
+            <td class="revno"><!-- %revisions_5% --></td>
+            <td><!-- %revisions_5_changelog% --></td>
+            <td><!-- %revisions_5_date% --></td>
+            <td><!-- %revisions_5_name% --></td>
+            <td><!-- %authors_3% --></td>
+            <td><!-- %authors_3_date% --></td>
+            <td><!-- %authors_3_name% --></td>
+          </tr>
+          <tr>
+            <td class="revno"><!-- %revisions_4% --></td>
+            <td><!-- %revisions_4_changelog% --></td>
+            <td><!-- %revisions_4_date% --></td>
+            <td><!-- %revisions_4_name% --></td>
+            <td colspan="2"></td>
+            <td></td>
+          </tr>
+          <tr>
+            <td class="revno"><!-- %revisions_3% --></td>
+            <td><!-- %revisions_3_changelog% --></td>
+            <td><!-- %revisions_3_date% --></td>
+            <td><!-- %revisions_3_name% --></td>
+            <td class="company" colspan="3" rowspan="3"><!-- %company% --></td>
+            <td class="partno" colspan="2" rowspan="3">WV-DEMO-02</td>
+            <td class="sheetno" rowspan="2">Sheet<br />1</td>
+          </tr>
+          <tr>
+            <td class="revno"><!-- %revisions_2% --></td>
+            <td><!-- %revisions_2_changelog% --></td>
+            <td><!-- %revisions_2_date% --></td>
+            <td><!-- %revisions_2_name% --></td>
+          </tr>
+          <tr>
+            <td class="revno">A</td>
+            <td>WireViz 0.2 release</td>
+            <td>2020-10-17</td>
+            <td>D. Rojas</td>
+            <td class="sheetno">of 1</td>
+          </tr>
+          <tr>
+            <td>Rev</td>
+            <td>Changelog</td>
+            <td>Date</td>
+            <td>Name</td>
+            <td colspan="3"></td>
+            <td></td>
+            <td colspan="2"></td>
+          </tr>
+        </table>
+      </div> <!-- /titleblock -->
+
+    </div> <!-- /frame -->
+  </div> <!-- /page -->
+</body>
+</html>

examples/demo02.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="882pt" height="767pt"
@@ -12,6 +12,7 @@
 <g id="node1" class="node">
 <title>X1</title>
 <polygon fill="#ffffff" stroke="black" points="189.5,-517.5 2.5,-517.5 2.5,-287.5 189.5,-287.5 189.5,-517.5"/>
+<polygon fill="#ffffff" stroke="transparent" points="2.5,-287.5 2.5,-517.5 189.5,-517.5 189.5,-287.5 2.5,-287.5"/>
 <polygon fill="none" stroke="black" points="3,-494.5 3,-517.5 190,-517.5 190,-494.5 3,-494.5"/>
 <text text-anchor="start" x="87.5" y="-502.3" font-family="arial" font-size="14.00">X1</text>
 <polygon fill="none" stroke="black" points="3,-471.5 3,-494.5 99,-494.5 99,-471.5 3,-471.5"/>
@@ -258,6 +259,7 @@
 <g id="node2" class="node">
 <title>X2</title>
 <polygon fill="#ffffff" stroke="black" points="874,-726.5 687,-726.5 687,-588.5 874,-588.5 874,-726.5"/>
+<polygon fill="#ffffff" stroke="transparent" points="687,-588.5 687,-726.5 874,-726.5 874,-588.5 687,-588.5"/>
 <polygon fill="none" stroke="black" points="687.5,-703.5 687.5,-726.5 874.5,-726.5 874.5,-703.5 687.5,-703.5"/>
 <text text-anchor="start" x="772" y="-711.3" font-family="arial" font-size="14.00">X2</text>
 <polygon fill="none" stroke="black" points="687.5,-680.5 687.5,-703.5 783.5,-703.5 783.5,-680.5 687.5,-680.5"/>
@@ -287,6 +289,7 @@
 <g id="node3" class="node">
 <title>X3</title>
 <polygon fill="#ffffff" stroke="black" points="874,-518.5 687,-518.5 687,-380.5 874,-380.5 874,-518.5"/>
+<polygon fill="#ffffff" stroke="transparent" points="687,-380.5 687,-518.5 874,-518.5 874,-380.5 687,-380.5"/>
 <polygon fill="none" stroke="black" points="687.5,-495.5 687.5,-518.5 874.5,-518.5 874.5,-495.5 687.5,-495.5"/>
 <text text-anchor="start" x="772" y="-503.3" font-family="arial" font-size="14.00">X3</text>
 <polygon fill="none" stroke="black" points="687.5,-472.5 687.5,-495.5 783.5,-495.5 783.5,-472.5 687.5,-472.5"/>
@@ -316,6 +319,7 @@
 <g id="node4" class="node">
 <title>X4</title>
 <polygon fill="#ffffff" stroke="black" points="874,-322 687,-322 687,-161 874,-161 874,-322"/>
+<polygon fill="#ffffff" stroke="transparent" points="687,-161 687,-322 874,-322 874,-161 687,-161"/>
 <polygon fill="none" stroke="black" points="687.5,-298.5 687.5,-321.5 874.5,-321.5 874.5,-298.5 687.5,-298.5"/>
 <text text-anchor="start" x="772" y="-306.3" font-family="arial" font-size="14.00">X4</text>
 <polygon fill="none" stroke="black" points="687.5,-275.5 687.5,-298.5 783.5,-298.5 783.5,-275.5 687.5,-275.5"/>
@@ -345,10 +349,11 @@
 <polygon fill="none" stroke="black" points="767.5,-160.5 767.5,-183.5 874.5,-183.5 874.5,-160.5 767.5,-160.5"/>
 <text text-anchor="start" x="806.5" y="-168.3" font-family="arial" font-size="14.00">SCK</text>
 </g>
-<!-- _ferrule_crimp_1 -->
+<!-- AUTOGENERATED_F_1 -->
 <g id="node5" class="node">
-<title>_ferrule_crimp_1</title>
+<title>AUTOGENERATED_F_1</title>
 <polygon fill="#ffffff" stroke="black" points="192,-70 0,-70 0,-47 192,-47 192,-70"/>
+<polygon fill="#ffffff" stroke="transparent" points="0,-47 0,-70 192,-70 192,-47 0,-47"/>
 <polygon fill="none" stroke="black" points="0,-46.5 0,-69.5 89,-69.5 89,-46.5 0,-46.5"/>
 <text text-anchor="start" x="4" y="-54.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 <polygon fill="none" stroke="black" points="89,-46.5 89,-69.5 157,-69.5 157,-46.5 89,-46.5"/>
@@ -383,17 +388,18 @@
 <polygon fill="#000000" stroke="transparent" points="340.5,-19.5 340.5,-21.5 539.5,-21.5 539.5,-19.5 340.5,-19.5"/>
 <text text-anchor="start" x="351" y="-6.3" font-family="arial" font-size="14.00"> </text>
 </g>
-<!-- _ferrule_crimp_1&#45;&#45;W4 -->
+<!-- AUTOGENERATED_F_1&#45;&#45;W4 -->
 <g id="edge25" class="edge">
-<title>_ferrule_crimp_1:e&#45;&#45;W4:w</title>
+<title>AUTOGENERATED_F_1:e&#45;&#45;W4:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-56.5C256.61,-56.85 272.63,-45.85 339.5,-45.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-58.5C257.74,-58.5 273.76,-47.5 339.5,-47.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-60.5C258.87,-60.15 274.89,-49.15 339.5,-49.5"/>
 </g>
-<!-- _ferrule_crimp_2 -->
+<!-- AUTOGENERATED_F_2 -->
 <g id="node6" class="node">
-<title>_ferrule_crimp_2</title>
+<title>AUTOGENERATED_F_2</title>
 <polygon fill="#ffffff" stroke="black" points="192,-23 0,-23 0,0 192,0 192,-23"/>
+<polygon fill="#ffffff" stroke="transparent" points="0,0 0,-23 192,-23 192,0 0,0"/>
 <polygon fill="none" stroke="black" points="0,0.5 0,-22.5 89,-22.5 89,0.5 0,0.5"/>
 <text text-anchor="start" x="4" y="-7.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 <polygon fill="none" stroke="black" points="89,0.5 89,-22.5 157,-22.5 157,0.5 89,0.5"/>
@@ -403,9 +409,9 @@
 <polygon fill="#ffff00" stroke="transparent" points="184,0.5 184,-22.5 192,-22.5 192,0.5 184,0.5"/>
 <polygon fill="none" stroke="black" points="184,0.5 184,-22.5 192,-22.5 192,0.5 184,0.5"/>
 </g>
-<!-- _ferrule_crimp_2&#45;&#45;W4 -->
+<!-- AUTOGENERATED_F_2&#45;&#45;W4 -->
 <g id="edge27" class="edge">
-<title>_ferrule_crimp_2:e&#45;&#45;W4:w</title>
+<title>AUTOGENERATED_F_2:e&#45;&#45;W4:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-9.5C258.87,-9.85 274.89,-20.85 339.5,-20.5"/>
 <path fill="none" stroke="#ff0000" stroke-width="2" d="M192,-11.5C257.74,-11.5 273.76,-22.5 339.5,-22.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M192,-13.5C256.61,-13.15 272.63,-24.15 339.5,-24.5"/>

examples/ex01.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex01</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex01</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="943pt" height="232pt"
@@ -182,28 +205,40 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, Serial, 4 x 0.25 mm&sup2; shielded</td>
+    <td class="bom_col_description">Cable, Serial, 4 x 0.25 mm² shielded</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 4 pins</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 4 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1, X2</td>
+    <td class="bom_col_designators">X1, X2</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex01.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="943pt" height="232pt"

examples/ex02.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex02</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex02</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="881pt" height="458pt"
@@ -265,42 +288,54 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 2 x 0.25 mm&sup2;</td>
+    <td class="bom_col_description">Cable, 2 x 0.25 mm²</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.4</td>
+    <td class="bom_col_qty">0.4</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 2 x 20 AWG</td>
+    <td class="bom_col_description">Cable, 2 x 20 AWG</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W3</td>
+    <td class="bom_col_designators">W3</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex Micro-Fit, female, 2 pins</td>
+    <td class="bom_col_description">Connector, Molex Micro-Fit, female, 2 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">3</td>
+    <td class="bom_col_qty">3</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X2, X3, X4</td>
+    <td class="bom_col_designators">X2, X3, X4</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">4</td>
+    <td class="bom_col_id">4</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex Micro-Fit, male, 2 pins</td>
+    <td class="bom_col_description">Connector, Molex Micro-Fit, male, 2 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1</td>
+    <td class="bom_col_designators">X1</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex02.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="881pt" height="458pt"

examples/ex03.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex03</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex03</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="873pt" height="332pt"
@@ -235,42 +258,54 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex Micro-Fit, female, 2 pins</td>
+    <td class="bom_col_description">Connector, Molex Micro-Fit, female, 2 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">3</td>
+    <td class="bom_col_qty">3</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X2, X3, X4</td>
+    <td class="bom_col_designators">X2, X3, X4</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex Micro-Fit, male, 2 pins</td>
+    <td class="bom_col_description">Connector, Molex Micro-Fit, male, 2 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1</td>
+    <td class="bom_col_designators">X1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, BK</td>
+    <td class="bom_col_description">Wire, 0.25 mm², BK</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.6</td>
+    <td class="bom_col_qty">0.6</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">4</td>
+    <td class="bom_col_id">4</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, RD</td>
+    <td class="bom_col_description">Wire, 0.25 mm², RD</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.6</td>
+    <td class="bom_col_qty">0.6</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex03.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="873pt" height="332pt"

examples/ex04.gv

@@ -4,7 +4,7 @@ graph {
 	graph [bgcolor="#FFFFFF" fontname=arial nodesep=0.33 rankdir=LR ranksep=2]
 	node [fillcolor="#FFFFFF" fontname=arial height=0 margin=0 shape=none style=filled width=0]
 	edge [fontname=arial style=bold]
-	_ferrule_crimp_1 [label=<
+	AUTOGENERATED_F_1 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -13,7 +13,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_2 [label=<
+	AUTOGENERATED_F_2 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -22,7 +22,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_3 [label=<
+	AUTOGENERATED_F_3 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -31,7 +31,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_4 [label=<
+	AUTOGENERATED_F_4 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -40,7 +40,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_5 [label=<
+	AUTOGENERATED_F_5 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -49,7 +49,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_6 [label=<
+	AUTOGENERATED_F_6 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -58,7 +58,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_7 [label=<
+	AUTOGENERATED_F_7 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -67,7 +67,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_8 [label=<
+	AUTOGENERATED_F_8 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -76,7 +76,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_9 [label=<
+	AUTOGENERATED_F_9 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -85,7 +85,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_10 [label=<
+	AUTOGENERATED_F_10 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -94,7 +94,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_11 [label=<
+	AUTOGENERATED_F_11 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -103,7 +103,7 @@ graph {
  </td></tr>
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
-	_ferrule_crimp_12 [label=<
+	AUTOGENERATED_F_12 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
@@ -113,23 +113,23 @@ graph {
 </table>
 > fillcolor="#FFFFFF" shape=box style=filled]
 	edge [color="#000000:#895956:#000000"]
-	_ferrule_crimp_1:e -- W1:w1:w
+	AUTOGENERATED_F_1:e -- W1:w1:w
-	W1:w1:e -- _ferrule_crimp_7:w
+	W1:w1:e -- AUTOGENERATED_F_7:w
 	edge [color="#000000:#ff0000:#000000"]
-	_ferrule_crimp_2:e -- W1:w2:w
+	AUTOGENERATED_F_2:e -- W1:w2:w
-	W1:w2:e -- _ferrule_crimp_8:w
+	W1:w2:e -- AUTOGENERATED_F_8:w
 	edge [color="#000000:#ff8000:#000000"]
-	_ferrule_crimp_3:e -- W1:w3:w
+	AUTOGENERATED_F_3:e -- W1:w3:w
-	W1:w3:e -- _ferrule_crimp_9:w
+	W1:w3:e -- AUTOGENERATED_F_9:w
 	edge [color="#000000:#ffff00:#000000"]
-	_ferrule_crimp_4:e -- W1:w4:w
+	AUTOGENERATED_F_4:e -- W1:w4:w
-	W1:w4:e -- _ferrule_crimp_10:w
+	W1:w4:e -- AUTOGENERATED_F_10:w
 	edge [color="#000000:#00ff00:#000000"]
-	_ferrule_crimp_5:e -- W1:w5:w
+	AUTOGENERATED_F_5:e -- W1:w5:w
-	W1:w5:e -- _ferrule_crimp_11:w
+	W1:w5:e -- AUTOGENERATED_F_11:w
 	edge [color="#000000:#0066ff:#000000"]
-	_ferrule_crimp_6:e -- W1:w6:w
+	AUTOGENERATED_F_6:e -- W1:w6:w
-	W1:w6:e -- _ferrule_crimp_12:w
+	W1:w6:e -- AUTOGENERATED_F_12:w
 	W1 [label=<
 <table border="0" cellspacing="0" cellpadding="0">
  <tr><td>

examples/ex04.html

@@ -3,20 +3,43 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex04</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex04</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="673pt" height="287pt"
  viewBox="0.00 0.00 673.00 286.50" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
 <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 282.5)">
 <polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-282.5 669,-282.5 669,4 -4,4"/>
-<!-- _ferrule_crimp_1 -->
+<!-- AUTOGENERATED_F_1 -->
 <g id="node1" class="node">
-<title>_ferrule_crimp_1</title>
+<title>AUTOGENERATED_F_1</title>
 <polygon fill="#ffffff" stroke="black" points="89,-258 0,-258 0,-235 89,-235 89,-258"/>
 <polygon fill="none" stroke="black" points="0.5,-234.5 0.5,-257.5 89.5,-257.5 89.5,-234.5 0.5,-234.5"/>
 <text text-anchor="start" x="4.5" y="-242.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
@@ -60,226 +83,238 @@
 <polygon fill="#000000" stroke="transparent" points="233.5,-63.5 233.5,-65.5 432.5,-65.5 432.5,-63.5 233.5,-63.5"/>
 <text text-anchor="start" x="256.5" y="-50.3" font-family="arial" font-size="14.00"> </text>
 </g>
-<!-- _ferrule_crimp_1&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_1&#45;&#45;W1 -->
 <g id="edge1" class="edge">
-<title>_ferrule_crimp_1:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-244.5C155.53,-246.25 162.51,-191.25 233,-189.5"/>
 <path fill="none" stroke="#895956" stroke-width="2" d="M89,-246.5C157.51,-246.5 164.49,-191.5 233,-191.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-248.5C159.49,-246.75 166.47,-191.75 233,-193.5"/>
 </g>
-<!-- _ferrule_crimp_2 -->
+<!-- AUTOGENERATED_F_2 -->
 <g id="node2" class="node">
-<title>_ferrule_crimp_2</title>
+<title>AUTOGENERATED_F_2</title>
 <polygon fill="#ffffff" stroke="black" points="89,-211 0,-211 0,-188 89,-188 89,-211"/>
 <polygon fill="none" stroke="black" points="0.5,-187.5 0.5,-210.5 89.5,-210.5 89.5,-187.5 0.5,-187.5"/>
 <text text-anchor="start" x="4.5" y="-195.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_2&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_2&#45;&#45;W1 -->
 <g id="edge3" class="edge">
-<title>_ferrule_crimp_2:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_2:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-197.5C152.79,-198.78 165.47,-165.78 233,-164.5"/>
 <path fill="none" stroke="#ff0000" stroke-width="2" d="M89,-199.5C154.66,-199.5 167.34,-166.5 233,-166.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-201.5C156.53,-200.22 169.21,-167.22 233,-168.5"/>
 </g>
-<!-- _ferrule_crimp_3 -->
+<!-- AUTOGENERATED_F_3 -->
 <g id="node3" class="node">
-<title>_ferrule_crimp_3</title>
+<title>AUTOGENERATED_F_3</title>
 <polygon fill="#ffffff" stroke="black" points="89,-164 0,-164 0,-141 89,-141 89,-164"/>
 <polygon fill="none" stroke="black" points="0.5,-140.5 0.5,-163.5 89.5,-163.5 89.5,-140.5 0.5,-140.5"/>
 <text text-anchor="start" x="4.5" y="-148.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_3&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_3&#45;&#45;W1 -->
 <g id="edge5" class="edge">
-<title>_ferrule_crimp_3:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_3:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-150.5C152.04,-150.86 167.66,-139.86 233,-139.5"/>
 <path fill="none" stroke="#ff8000" stroke-width="2" d="M89,-152.5C153.19,-152.5 168.81,-141.5 233,-141.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-154.5C154.34,-154.14 169.96,-143.14 233,-143.5"/>
 </g>
-<!-- _ferrule_crimp_4 -->
+<!-- AUTOGENERATED_F_4 -->
 <g id="node4" class="node">
-<title>_ferrule_crimp_4</title>
+<title>AUTOGENERATED_F_4</title>
 <polygon fill="#ffffff" stroke="black" points="89,-117 0,-117 0,-94 89,-94 89,-117"/>
 <polygon fill="none" stroke="black" points="0.5,-93.5 0.5,-116.5 89.5,-116.5 89.5,-93.5 0.5,-93.5"/>
 <text text-anchor="start" x="4.5" y="-101.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_4&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_4&#45;&#45;W1 -->
 <g id="edge7" class="edge">
-<title>_ferrule_crimp_4:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_4:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-103.5C154.34,-103.86 169.96,-114.86 233,-114.5"/>
 <path fill="none" stroke="#ffff00" stroke-width="2" d="M89,-105.5C153.19,-105.5 168.81,-116.5 233,-116.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-107.5C152.04,-107.14 167.66,-118.14 233,-118.5"/>
 </g>
-<!-- _ferrule_crimp_5 -->
+<!-- AUTOGENERATED_F_5 -->
 <g id="node5" class="node">
-<title>_ferrule_crimp_5</title>
+<title>AUTOGENERATED_F_5</title>
 <polygon fill="#ffffff" stroke="black" points="89,-70 0,-70 0,-47 89,-47 89,-70"/>
 <polygon fill="none" stroke="black" points="0.5,-46.5 0.5,-69.5 89.5,-69.5 89.5,-46.5 0.5,-46.5"/>
 <text text-anchor="start" x="4.5" y="-54.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_5&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_5&#45;&#45;W1 -->
 <g id="edge9" class="edge">
-<title>_ferrule_crimp_5:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_5:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-56.5C156.53,-57.78 169.21,-90.78 233,-89.5"/>
 <path fill="none" stroke="#00ff00" stroke-width="2" d="M89,-58.5C154.66,-58.5 167.34,-91.5 233,-91.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-60.5C152.79,-59.22 165.47,-92.22 233,-93.5"/>
 </g>
-<!-- _ferrule_crimp_6 -->
+<!-- AUTOGENERATED_F_6 -->
 <g id="node6" class="node">
-<title>_ferrule_crimp_6</title>
+<title>AUTOGENERATED_F_6</title>
 <polygon fill="#ffffff" stroke="black" points="89,-23 0,-23 0,0 89,0 89,-23"/>
 <polygon fill="none" stroke="black" points="0.5,0.5 0.5,-22.5 89.5,-22.5 89.5,0.5 0.5,0.5"/>
 <text text-anchor="start" x="4.5" y="-7.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_6&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_6&#45;&#45;W1 -->
 <g id="edge11" class="edge">
-<title>_ferrule_crimp_6:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_6:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-9.5C159.49,-11.25 166.47,-66.25 233,-64.5"/>
 <path fill="none" stroke="#0066ff" stroke-width="2" d="M89,-11.5C157.51,-11.5 164.49,-66.5 233,-66.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-13.5C155.53,-11.75 162.51,-66.75 233,-68.5"/>
 </g>
-<!-- _ferrule_crimp_7 -->
+<!-- AUTOGENERATED_F_7 -->
 <g id="node7" class="node">
-<title>_ferrule_crimp_7</title>
+<title>AUTOGENERATED_F_7</title>
 <polygon fill="#ffffff" stroke="black" points="665,-258 576,-258 576,-235 665,-235 665,-258"/>
 <polygon fill="none" stroke="black" points="576.5,-234.5 576.5,-257.5 665.5,-257.5 665.5,-234.5 576.5,-234.5"/>
 <text text-anchor="start" x="580.5" y="-242.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_8 -->
+<!-- AUTOGENERATED_F_8 -->
 <g id="node8" class="node">
-<title>_ferrule_crimp_8</title>
+<title>AUTOGENERATED_F_8</title>
 <polygon fill="#ffffff" stroke="black" points="665,-211 576,-211 576,-188 665,-188 665,-211"/>
 <polygon fill="none" stroke="black" points="576.5,-187.5 576.5,-210.5 665.5,-210.5 665.5,-187.5 576.5,-187.5"/>
 <text text-anchor="start" x="580.5" y="-195.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_9 -->
+<!-- AUTOGENERATED_F_9 -->
 <g id="node9" class="node">
-<title>_ferrule_crimp_9</title>
+<title>AUTOGENERATED_F_9</title>
 <polygon fill="#ffffff" stroke="black" points="665,-164 576,-164 576,-141 665,-141 665,-164"/>
 <polygon fill="none" stroke="black" points="576.5,-140.5 576.5,-163.5 665.5,-163.5 665.5,-140.5 576.5,-140.5"/>
 <text text-anchor="start" x="580.5" y="-148.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_10 -->
+<!-- AUTOGENERATED_F_10 -->
 <g id="node10" class="node">
-<title>_ferrule_crimp_10</title>
+<title>AUTOGENERATED_F_10</title>
 <polygon fill="#ffffff" stroke="black" points="665,-117 576,-117 576,-94 665,-94 665,-117"/>
 <polygon fill="none" stroke="black" points="576.5,-93.5 576.5,-116.5 665.5,-116.5 665.5,-93.5 576.5,-93.5"/>
 <text text-anchor="start" x="580.5" y="-101.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_11 -->
+<!-- AUTOGENERATED_F_11 -->
 <g id="node11" class="node">
-<title>_ferrule_crimp_11</title>
+<title>AUTOGENERATED_F_11</title>
 <polygon fill="#ffffff" stroke="black" points="665,-70 576,-70 576,-47 665,-47 665,-70"/>
 <polygon fill="none" stroke="black" points="576.5,-46.5 576.5,-69.5 665.5,-69.5 665.5,-46.5 576.5,-46.5"/>
 <text text-anchor="start" x="580.5" y="-54.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_12 -->
+<!-- AUTOGENERATED_F_12 -->
 <g id="node12" class="node">
-<title>_ferrule_crimp_12</title>
+<title>AUTOGENERATED_F_12</title>
 <polygon fill="#ffffff" stroke="black" points="665,-23 576,-23 576,0 665,0 665,-23"/>
 <polygon fill="none" stroke="black" points="576.5,0.5 576.5,-22.5 665.5,-22.5 665.5,0.5 576.5,0.5"/>
 <text text-anchor="start" x="580.5" y="-7.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_7 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_7 -->
 <g id="edge2" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_7:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_7:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-189.5C502.49,-191.25 509.47,-246.25 576,-244.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-193.5C498.53,-191.75 505.51,-246.75 576,-248.5"/>
 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_8 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_8 -->
 <g id="edge4" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_8:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_8:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-164.5C499.53,-165.78 512.21,-198.78 576,-197.5"/>
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 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_9 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_9 -->
 <g id="edge6" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_9:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_9:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-139.5C497.34,-139.86 512.96,-150.86 576,-150.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-143.5C495.04,-143.14 510.66,-154.14 576,-154.5"/>
 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_10 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_10 -->
 <g id="edge8" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_10:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_10:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-114.5C495.04,-114.86 510.66,-103.86 576,-103.5"/>
 <path fill="none" stroke="#ffff00" stroke-width="2" d="M432,-116.5C496.19,-116.5 511.81,-105.5 576,-105.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-118.5C497.34,-118.14 512.96,-107.14 576,-107.5"/>
 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_11 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_11 -->
 <g id="edge10" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_11:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_11:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-89.5C495.79,-90.78 508.47,-57.78 576,-56.5"/>
 <path fill="none" stroke="#00ff00" stroke-width="2" d="M432,-91.5C497.66,-91.5 510.34,-58.5 576,-58.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-93.5C499.53,-92.22 512.21,-59.22 576,-60.5"/>
 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_12 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_12 -->
 <g id="edge12" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_12:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_12:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-64.5C498.53,-66.25 505.51,-11.25 576,-9.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-68.5C502.49,-66.75 509.47,-11.75 576,-13.5"/>
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Crimp ferrule</td>
+    <td class="bom_col_description">Connector, Crimp ferrule</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">12</td>
+    <td class="bom_col_qty">12</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_designators"></td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, BN</td>
+    <td class="bom_col_description">Wire, 0.25 mm², BN</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, BU</td>
+    <td class="bom_col_description">Wire, 0.25 mm², BU</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">4</td>
+    <td class="bom_col_id">4</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, GN</td>
+    <td class="bom_col_description">Wire, 0.25 mm², GN</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">5</td>
+    <td class="bom_col_id">5</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, OG</td>
+    <td class="bom_col_description">Wire, 0.25 mm², OG</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">6</td>
+    <td class="bom_col_id">6</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, RD</td>
+    <td class="bom_col_description">Wire, 0.25 mm², RD</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">7</td>
+    <td class="bom_col_id">7</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, YE</td>
+    <td class="bom_col_description">Wire, 0.25 mm², YE</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex04.svg

@@ -1,16 +1,16 @@
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-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
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 <!-- Pages: 1 -->
 <svg width="673pt" height="287pt"
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 <g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 282.5)">
 <polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-282.5 669,-282.5 669,4 -4,4"/>
-<!-- _ferrule_crimp_1 -->
+<!-- AUTOGENERATED_F_1 -->
 <g id="node1" class="node">
-<title>_ferrule_crimp_1</title>
+<title>AUTOGENERATED_F_1</title>
 <polygon fill="#ffffff" stroke="black" points="89,-258 0,-258 0,-235 89,-235 89,-258"/>
 <polygon fill="none" stroke="black" points="0.5,-234.5 0.5,-257.5 89.5,-257.5 89.5,-234.5 0.5,-234.5"/>
 <text text-anchor="start" x="4.5" y="-242.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
@@ -54,163 +54,163 @@
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 </g>
-<!-- _ferrule_crimp_1&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_1&#45;&#45;W1 -->
 <g id="edge1" class="edge">
-<title>_ferrule_crimp_1:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_1:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-244.5C155.53,-246.25 162.51,-191.25 233,-189.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-248.5C159.49,-246.75 166.47,-191.75 233,-193.5"/>
 </g>
-<!-- _ferrule_crimp_2 -->
+<!-- AUTOGENERATED_F_2 -->
 <g id="node2" class="node">
-<title>_ferrule_crimp_2</title>
+<title>AUTOGENERATED_F_2</title>
 <polygon fill="#ffffff" stroke="black" points="89,-211 0,-211 0,-188 89,-188 89,-211"/>
 <polygon fill="none" stroke="black" points="0.5,-187.5 0.5,-210.5 89.5,-210.5 89.5,-187.5 0.5,-187.5"/>
 <text text-anchor="start" x="4.5" y="-195.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_2&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_2&#45;&#45;W1 -->
 <g id="edge3" class="edge">
-<title>_ferrule_crimp_2:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_2:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-197.5C152.79,-198.78 165.47,-165.78 233,-164.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-201.5C156.53,-200.22 169.21,-167.22 233,-168.5"/>
 </g>
-<!-- _ferrule_crimp_3 -->
+<!-- AUTOGENERATED_F_3 -->
 <g id="node3" class="node">
-<title>_ferrule_crimp_3</title>
+<title>AUTOGENERATED_F_3</title>
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 <polygon fill="none" stroke="black" points="0.5,-140.5 0.5,-163.5 89.5,-163.5 89.5,-140.5 0.5,-140.5"/>
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 </g>
-<!-- _ferrule_crimp_3&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_3&#45;&#45;W1 -->
 <g id="edge5" class="edge">
-<title>_ferrule_crimp_3:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_3:e&#45;&#45;W1:w</title>
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 </g>
-<!-- _ferrule_crimp_4 -->
+<!-- AUTOGENERATED_F_4 -->
 <g id="node4" class="node">
-<title>_ferrule_crimp_4</title>
+<title>AUTOGENERATED_F_4</title>
 <polygon fill="#ffffff" stroke="black" points="89,-117 0,-117 0,-94 89,-94 89,-117"/>
 <polygon fill="none" stroke="black" points="0.5,-93.5 0.5,-116.5 89.5,-116.5 89.5,-93.5 0.5,-93.5"/>
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 </g>
-<!-- _ferrule_crimp_4&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_4&#45;&#45;W1 -->
 <g id="edge7" class="edge">
-<title>_ferrule_crimp_4:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_4:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-103.5C154.34,-103.86 169.96,-114.86 233,-114.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-107.5C152.04,-107.14 167.66,-118.14 233,-118.5"/>
 </g>
-<!-- _ferrule_crimp_5 -->
+<!-- AUTOGENERATED_F_5 -->
 <g id="node5" class="node">
-<title>_ferrule_crimp_5</title>
+<title>AUTOGENERATED_F_5</title>
 <polygon fill="#ffffff" stroke="black" points="89,-70 0,-70 0,-47 89,-47 89,-70"/>
 <polygon fill="none" stroke="black" points="0.5,-46.5 0.5,-69.5 89.5,-69.5 89.5,-46.5 0.5,-46.5"/>
 <text text-anchor="start" x="4.5" y="-54.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_5&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_5&#45;&#45;W1 -->
 <g id="edge9" class="edge">
-<title>_ferrule_crimp_5:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_5:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-56.5C156.53,-57.78 169.21,-90.78 233,-89.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-60.5C152.79,-59.22 165.47,-92.22 233,-93.5"/>
 </g>
-<!-- _ferrule_crimp_6 -->
+<!-- AUTOGENERATED_F_6 -->
 <g id="node6" class="node">
-<title>_ferrule_crimp_6</title>
+<title>AUTOGENERATED_F_6</title>
 <polygon fill="#ffffff" stroke="black" points="89,-23 0,-23 0,0 89,0 89,-23"/>
 <polygon fill="none" stroke="black" points="0.5,0.5 0.5,-22.5 89.5,-22.5 89.5,0.5 0.5,0.5"/>
 <text text-anchor="start" x="4.5" y="-7.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_6&#45;&#45;W1 -->
+<!-- AUTOGENERATED_F_6&#45;&#45;W1 -->
 <g id="edge11" class="edge">
-<title>_ferrule_crimp_6:e&#45;&#45;W1:w</title>
+<title>AUTOGENERATED_F_6:e&#45;&#45;W1:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-9.5C159.49,-11.25 166.47,-66.25 233,-64.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M89,-13.5C155.53,-11.75 162.51,-66.75 233,-68.5"/>
 </g>
-<!-- _ferrule_crimp_7 -->
+<!-- AUTOGENERATED_F_7 -->
 <g id="node7" class="node">
-<title>_ferrule_crimp_7</title>
+<title>AUTOGENERATED_F_7</title>
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 <text text-anchor="start" x="580.5" y="-242.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_8 -->
+<!-- AUTOGENERATED_F_8 -->
 <g id="node8" class="node">
-<title>_ferrule_crimp_8</title>
+<title>AUTOGENERATED_F_8</title>
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 <text text-anchor="start" x="580.5" y="-195.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_9 -->
+<!-- AUTOGENERATED_F_9 -->
 <g id="node9" class="node">
-<title>_ferrule_crimp_9</title>
+<title>AUTOGENERATED_F_9</title>
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 <text text-anchor="start" x="580.5" y="-148.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_10 -->
+<!-- AUTOGENERATED_F_10 -->
 <g id="node10" class="node">
-<title>_ferrule_crimp_10</title>
+<title>AUTOGENERATED_F_10</title>
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 <text text-anchor="start" x="580.5" y="-101.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_11 -->
+<!-- AUTOGENERATED_F_11 -->
 <g id="node11" class="node">
-<title>_ferrule_crimp_11</title>
+<title>AUTOGENERATED_F_11</title>
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 <text text-anchor="start" x="580.5" y="-54.3" font-family="arial" font-size="14.00">Crimp ferrule</text>
 </g>
-<!-- _ferrule_crimp_12 -->
+<!-- AUTOGENERATED_F_12 -->
 <g id="node12" class="node">
-<title>_ferrule_crimp_12</title>
+<title>AUTOGENERATED_F_12</title>
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 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_7 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_7 -->
 <g id="edge2" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_7:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_7:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-189.5C502.49,-191.25 509.47,-246.25 576,-244.5"/>
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 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-193.5C498.53,-191.75 505.51,-246.75 576,-248.5"/>
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-<!-- W1&#45;&#45;_ferrule_crimp_8 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_8 -->
 <g id="edge4" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_8:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_8:w</title>
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-<!-- W1&#45;&#45;_ferrule_crimp_9 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_9 -->
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-<title>W1:e&#45;&#45;_ferrule_crimp_9:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_9:w</title>
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-<!-- W1&#45;&#45;_ferrule_crimp_10 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_10 -->
 <g id="edge8" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_10:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_10:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-114.5C495.04,-114.86 510.66,-103.86 576,-103.5"/>
 <path fill="none" stroke="#ffff00" stroke-width="2" d="M432,-116.5C496.19,-116.5 511.81,-105.5 576,-105.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-118.5C497.34,-118.14 512.96,-107.14 576,-107.5"/>
 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_11 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_11 -->
 <g id="edge10" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_11:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_11:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-89.5C495.79,-90.78 508.47,-57.78 576,-56.5"/>
 <path fill="none" stroke="#00ff00" stroke-width="2" d="M432,-91.5C497.66,-91.5 510.34,-58.5 576,-58.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-93.5C499.53,-92.22 512.21,-59.22 576,-60.5"/>
 </g>
-<!-- W1&#45;&#45;_ferrule_crimp_12 -->
+<!-- W1&#45;&#45;AUTOGENERATED_F_12 -->
 <g id="edge12" class="edge">
-<title>W1:e&#45;&#45;_ferrule_crimp_12:w</title>
+<title>W1:e&#45;&#45;AUTOGENERATED_F_12:w</title>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-64.5C498.53,-66.25 505.51,-11.25 576,-9.5"/>
 <path fill="none" stroke="#0066ff" stroke-width="2" d="M432,-66.5C500.51,-66.5 507.49,-11.5 576,-11.5"/>
 <path fill="none" stroke="#000000" stroke-width="2" d="M432,-68.5C502.49,-66.75 509.47,-11.75 576,-13.5"/>

examples/ex05.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex05</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex05</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="1535pt" height="192pt"
@@ -305,49 +328,61 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, <a href="https://www.molex.com/molex/products/family/kk_254_rpc_connector_system">Molex KK 254</a>, female, 4 pins</td>
+    <td class="bom_col_description">Connector, <a href="https://www.molex.com/molex/products/family/kk_254_rpc_connector_system">Molex KK 254</a>, female, 4 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">3</td>
+    <td class="bom_col_qty">3</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1, X2, X3</td>
+    <td class="bom_col_designators">X1, X2, X3</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, I2C, 0.25 mm&sup2;, PK</td>
+    <td class="bom_col_description">Wire, I2C, 0.25 mm², PK</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.4</td>
+    <td class="bom_col_qty">0.4</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, I2C, 0.25 mm&sup2;, TQ</td>
+    <td class="bom_col_description">Wire, I2C, 0.25 mm², TQ</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.4</td>
+    <td class="bom_col_qty">0.4</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">4</td>
+    <td class="bom_col_id">4</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, I2C, 0.25 mm&sup2;, VT</td>
+    <td class="bom_col_description">Wire, I2C, 0.25 mm², VT</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.4</td>
+    <td class="bom_col_qty">0.4</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">5</td>
+    <td class="bom_col_id">5</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, I2C, 0.25 mm&sup2;, YE</td>
+    <td class="bom_col_description">Wire, I2C, 0.25 mm², YE</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.4</td>
+    <td class="bom_col_qty">0.4</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
+    <td class="bom_col_designators">W1, W2</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex05.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="1535pt" height="192pt"

examples/ex06.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex06</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex06</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="865pt" height="1024pt"
@@ -665,49 +688,61 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 4 pins</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 4 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">6</td>
+    <td class="bom_col_qty">6</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1, X2, X3, X4, X5, X6</td>
+    <td class="bom_col_designators">X1, X2, X3, X4, X5, X6</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, PK</td>
+    <td class="bom_col_description">Wire, 0.25 mm², PK</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1.0</td>
+    <td class="bom_col_qty">1.0</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2, W3, W4, W5</td>
+    <td class="bom_col_designators">W1, W2, W3, W4, W5</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, TQ</td>
+    <td class="bom_col_description">Wire, 0.25 mm², TQ</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1.0</td>
+    <td class="bom_col_qty">1.0</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2, W3, W4, W5</td>
+    <td class="bom_col_designators">W1, W2, W3, W4, W5</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">4</td>
+    <td class="bom_col_id">4</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, VT</td>
+    <td class="bom_col_description">Wire, 0.25 mm², VT</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1.0</td>
+    <td class="bom_col_qty">1.0</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2, W3, W4, W5</td>
+    <td class="bom_col_designators">W1, W2, W3, W4, W5</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">5</td>
+    <td class="bom_col_id">5</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.25 mm&sup2;, YE</td>
+    <td class="bom_col_description">Wire, 0.25 mm², YE</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1.0</td>
+    <td class="bom_col_qty">1.0</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2, W3, W4, W5</td>
+    <td class="bom_col_designators">W1, W2, W3, W4, W5</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex06.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="865pt" height="1024pt"

examples/ex07.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex07</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex07</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="858pt" height="153pt"
@@ -109,35 +132,47 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 2 x 20 AWG</td>
+    <td class="bom_col_description">Cable, 2 x 20 AWG</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">C1</td>
+    <td class="bom_col_designators">C1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, D-Sub, female, 9 pins</td>
+    <td class="bom_col_description">Connector, D-Sub, female, 9 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X2</td>
+    <td class="bom_col_designators">X2</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, TE 776164-1, female, 35 pins</td>
+    <td class="bom_col_description">Connector, TE 776164-1, female, 35 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1</td>
+    <td class="bom_col_designators">X1</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex07.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="858pt" height="153pt"

examples/ex08.gv

@@ -35,7 +35,7 @@ graph {
  </td></tr>
  <tr><td>
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
-   <td balign="left" sides="TLR"><img scale="false" src="resources/stereo-phone-plug-TRS.png"/></td>
+   <td balign="left" sides="TLR"><img scale="false" src="/Users/daniel/Projects/WireViz/examples/resources/stereo-phone-plug-TRS.png"/></td>
   </tr></table>
  </td></tr>
  <tr><td>
@@ -135,7 +135,7 @@ graph {
   <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
    <td balign="left" sides="TLR">
     <table border="0" cellspacing="0" cellborder="0"><tr>
-     <td width="70.0" height="70" fixedsize="true"><img scale="true" src="resources/cable-WH+BN+GN+shield.png"/></td>
+     <td width="70.0" height="70" fixedsize="true"><img scale="true" src="/Users/daniel/Projects/WireViz/examples/resources/cable-WH+BN+GN+shield.png"/></td>
     </tr></table>
    </td>
   </tr></table>

examples/ex09.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex09</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex09</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="835pt" height="1158pt"
@@ -528,35 +551,47 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 12 x 0.25 mm&sup2; shielded</td>
+    <td class="bom_col_description">Cable, 12 x 0.25 mm² shielded</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.2</td>
+    <td class="bom_col_qty">0.2</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, D-Sub, male, 25 pins</td>
+    <td class="bom_col_description">Connector, D-Sub, male, 25 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1</td>
+    <td class="bom_col_designators">X1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
+    <td class="bom_col_id">3</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, F48, female, 48 pins</td>
+    <td class="bom_col_description">Connector, F48, female, 48 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X2</td>
+    <td class="bom_col_designators">X2</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex09.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="835pt" height="1158pt"

examples/ex10.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>ex10</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>ex10</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="1120pt" height="324pt"
@@ -331,28 +354,40 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, CAT5e, 8 x 24 AWG</td>
+    <td class="bom_col_description">Cable, CAT5e, 8 x 24 AWG</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Stewart Connector SS-37000-002, male, 8 pins</td>
+    <td class="bom_col_description">Connector, Stewart Connector SS-37000-002, male, 8 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1, X2</td>
+    <td class="bom_col_designators">X1, X2</td>
   </tr>
 </table>
+
+</div>
+
 </body></html>

examples/ex10.svg

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="UTF-8" standalone="no"?>
 <!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN"
  "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="1120pt" height="324pt"

examples/ex11.bom.tsv

@@ -0,0 +1,4 @@
+Id	Description	Qty	Unit	Designators
+1	Cable, 4 wires, BK	0	m	W1
+2	Connector, Ferrule, GY	4		
+3	Connector, Screw connector, male, 4 pins, GN	1		X1

examples/ex11.gv

@@ -0,0 +1,191 @@
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+// Graph generated by WireViz 0.4-dev
+// https://github.com/formatc1702/WireViz
+	graph [bgcolor="#FFFFFF" fontname=arial nodesep=0.33 rankdir=LR ranksep=2]
+	node [fillcolor="#FFFFFF" fontname=arial height=0 margin=0 shape=none style=filled width=0]
+	edge [fontname=arial style=bold]
+	AUTOGENERATED_F_1 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">Ferrule</td>
+   <td balign="left">GY</td>
+   <td balign="left" bgcolor="#999999" width="4"></td>
+  </tr></table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	AUTOGENERATED_F_2 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">Ferrule</td>
+   <td balign="left">GY</td>
+   <td balign="left" bgcolor="#999999" width="4"></td>
+  </tr></table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	AUTOGENERATED_F_3 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">Ferrule</td>
+   <td balign="left">GY</td>
+   <td balign="left" bgcolor="#999999" width="4"></td>
+  </tr></table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	AUTOGENERATED_F_4 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">Ferrule</td>
+   <td balign="left">GY</td>
+   <td balign="left" bgcolor="#999999" width="4"></td>
+  </tr></table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	X1 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">X1</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">Screw connector</td>
+   <td balign="left">male</td>
+   <td balign="left">4-pin</td>
+   <td balign="left">GN</td>
+   <td balign="left" bgcolor="#00FF00" width="4"></td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1">
+   <tr>
+    <td port="p1l">1</td>
+    <td>A</td>
+   </tr>
+   <tr>
+    <td port="p2l">2</td>
+    <td>B</td>
+   </tr>
+   <tr>
+    <td port="p3l">3</td>
+    <td>C</td>
+   </tr>
+   <tr>
+    <td port="p4l">4</td>
+    <td>D</td>
+   </tr>
+  </table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	edge [color="#000000:#000000:#000000"]
+	W1:w1:e -- AUTOGENERATED_F_1:w
+	edge [color="#000000:#ffffff:#000000"]
+	W1:w2:e -- AUTOGENERATED_F_2:w
+	edge [color="#000000:#0066ff:#000000"]
+	W1:w3:e -- AUTOGENERATED_F_3:w
+	edge [color="#000000:#895956:#000000"]
+	W1:w4:e -- AUTOGENERATED_F_4:w
+	W1 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">W1</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">4x</td>
+   <td balign="left">BK</td>
+   <td balign="left" bgcolor="#000000" width="4"></td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
+   <tr>
+    <td><!-- 1_in --></td>
+    <td>
+     1:BK
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w1" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td><!-- 2_in --></td>
+    <td>
+     2:WH
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td><!-- 3_in --></td>
+    <td>
+     3:BU
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w3" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#0066ff" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td><!-- 4_in --></td>
+    <td>
+     4:BN
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w4" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#895956" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr><td>&nbsp;</td></tr>
+  </table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	edge [color="#000000" dir=forward style=dashed]
+	AUTOGENERATED_F_1:e -- X1:p1l:w
+	edge [color="#000000" dir=forward style=dashed]
+	AUTOGENERATED_F_2:e -- X1:p2l:w
+	edge [color="#000000" dir=forward style=dashed]
+	AUTOGENERATED_F_3:e -- X1:p3l:w
+	edge [color="#000000" dir=forward style=dashed]
+	AUTOGENERATED_F_4:e -- X1:p4l:w
+}

examples/ex11.html

@@ -0,0 +1,245 @@
+<!DOCTYPE html>
+<html lang="en"><head>
+  <meta charset="UTF-8">
+  <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
+  <title>ex11</title>
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
+<h1>ex11</h1>
+<h2>Diagram</h2>
+
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
+ -->
+<!-- Pages: 1 -->
+<svg width="703pt" height="215pt"
+ viewBox="0.00 0.00 703.00 214.50" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
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+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-210.5 699,-210.5 699,4 -4,4"/>
+<!-- AUTOGENERATED_F_1 -->
+<g id="node1" class="node">
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+</g>
+<!-- AUTOGENERATED_F_1&#45;&#45;X1 -->
+<g id="edge5" class="edge">
+<title>AUTOGENERATED_F_1:e&#45;&#45;X1:w</title>
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+<polygon fill="#000000" stroke="#000000" points="455.11,-121.29 465,-117.5 454.9,-114.29 455.11,-121.29"/>
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+<!-- AUTOGENERATED_F_2 -->
+<g id="node2" class="node">
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+<!-- AUTOGENERATED_F_4 -->
+<g id="node4" class="node">
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+<!-- AUTOGENERATED_F_4&#45;&#45;X1 -->
+<g id="edge8" class="edge">
+<title>AUTOGENERATED_F_4:e&#45;&#45;X1:w</title>
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+<!-- W1 -->
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+<!-- W1&#45;&#45;AUTOGENERATED_F_2 -->
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+</g>
+</svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
+<h2>Bill of Materials</h2>
+
+<div id="bom">
+  <table class="bom">
+  <tr>
+    <th class="bom_col_id">Id</th>
+    <th class="bom_col_description">Description</th>
+    <th class="bom_col_qty">Qty</th>
+    <th class="bom_col_unit">Unit</th>
+    <th class="bom_col_designators">Designators</th>
+  </tr>
+  <tr>
+    <td class="bom_col_id">1</td>
+    <td class="bom_col_description">Cable, 4 wires, BK</td>
+    <td class="bom_col_qty">0</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators">W1</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">2</td>
+    <td class="bom_col_description">Connector, Ferrule, GY</td>
+    <td class="bom_col_qty">4</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators"></td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">3</td>
+    <td class="bom_col_description">Connector, Screw connector, male, 4 pins, GN</td>
+    <td class="bom_col_qty">1</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators">X1</td>
+  </tr>
+</table>
+
+</div>
+
+</body></html>

examples/ex11.svg

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examples/ex12.bom.tsv

@@ -0,0 +1,7 @@
+Id	Description	Qty	Unit	Designators
+1	Connector, Dupont 2.54mm, female, 5 pins, BK	1		X2
+2	Connector, Dupont 2.54mm, male, 5 pins, BK	1		X1
+3	Wire, BK	0.4	m	W1, W2
+4	Wire, BU	0.4	m	W1, W2
+5	Wire, GN	0.4	m	W1, W2
+6	Wire, RD	0.4	m	W1, W2

examples/ex12.gv

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+// https://github.com/formatc1702/WireViz
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+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">X1</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">Dupont 2.54mm</td>
+   <td balign="left">male</td>
+   <td balign="left">5-pin</td>
+   <td balign="left">BK</td>
+   <td balign="left" bgcolor="#000000" width="4"></td>
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+ </td></tr>
+ <tr><td>
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+   <tr>
+    <td port="p3l">3</td>
+   </tr>
+   <tr>
+    <td port="p4l">4</td>
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+   <tr>
+    <td port="p5l">5</td>
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+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
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+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">Dupont 2.54mm</td>
+   <td balign="left">female</td>
+   <td balign="left">5-pin</td>
+   <td balign="left">BK</td>
+   <td balign="left" bgcolor="#000000" width="4"></td>
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+ </td></tr>
+ <tr><td>
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+   <tr>
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+   <tr>
+    <td port="p5r">5</td>
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+	W1:w3:e -- X1:p3l:w
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+	W1:w4:e -- X1:p4l:w
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+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
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+  </tr></table>
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+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
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+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
+   <tr>
+    <td><!-- 1_in --></td>
+    <td>
+     RD
+    </td>
+    <td>X1:1</td>
+   </tr>
+   <tr>
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+    </td>
+   </tr>
+   <tr>
+    <td><!-- 2_in --></td>
+    <td>
+     BK
+    </td>
+    <td>X1:2</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
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+    </td>
+   </tr>
+   <tr>
+    <td><!-- 3_in --></td>
+    <td>
+     BU
+    </td>
+    <td>X1:3</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w3" height="6">
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+    </td>
+   </tr>
+   <tr>
+    <td><!-- 4_in --></td>
+    <td>
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+    <td>X1:4</td>
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+   <tr>
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+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
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+   </tr>
+   <tr><td>&nbsp;</td></tr>
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+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
+   <tr>
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+    <td>
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+    <td><!-- 1_out --></td>
+   </tr>
+   <tr>
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+   <tr>
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+   <tr>
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+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td>X2:3</td>
+    <td>
+     BU
+    </td>
+    <td><!-- 3_out --></td>
+   </tr>
+   <tr>
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+}

examples/ex12.html

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+<html lang="en"><head>
+  <meta charset="UTF-8">
+  <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
+  <title>ex12</title>
+  <style>
+
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+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
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+</head><body style="font-family:arial;background-color:#ffffff">
+<h1>ex12</h1>
+<h2>Diagram</h2>
+
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+  <!-- %description% -->
+</div>
+
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+<text text-anchor="start" x="725" y="-7.3" font-family="arial" font-size="14.00">5</text>
+</g>
+<!-- X1&#45;&#45;X2 -->
+<g id="edge9" class="edge">
+<title>X1:e&#45;&#45;X2:w</title>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M468,-79.5C528.5,-79.5 546.11,-79.5 601.91,-79.5"/>
+<path fill="none" stroke="#000000" stroke-dasharray="5,2" d="M468,-81.5C528.5,-81.5 546.11,-81.5 601.91,-81.5"/>
+<polygon fill="#000000" stroke="#000000" points="602,-84 612,-80.5 602,-77 602,-84"/>
+</g>
+<!-- W2 -->
+<g id="node4" class="node">
+<title>W2</title>
+<polygon fill="#ffffff" stroke="black" stroke-dasharray="5,2" points="1088,-192.5 990,-192.5 990,-8.5 1088,-8.5 1088,-192.5"/>
+<polygon fill="none" stroke="black" points="990,-169.5 990,-192.5 1088,-192.5 1088,-169.5 990,-169.5"/>
+<text text-anchor="start" x="1028.5" y="-177.3" font-family="arial" font-size="14.00">W2</text>
+<polygon fill="none" stroke="black" points="990,-146.5 990,-169.5 1029,-169.5 1029,-146.5 990,-146.5"/>
+<text text-anchor="start" x="1002" y="-154.3" font-family="arial" font-size="14.00">4x</text>
+<polygon fill="none" stroke="black" points="1029,-146.5 1029,-169.5 1088,-169.5 1088,-146.5 1029,-146.5"/>
+<text text-anchor="start" x="1040.5" y="-154.3" font-family="arial" font-size="14.00">0.2 m</text>
+<text text-anchor="start" x="1004.5" y="-133.3" font-family="arial" font-size="14.00"> </text>
+<text text-anchor="start" x="992" y="-114.3" font-family="arial" font-size="14.00">X2:1</text>
+<text text-anchor="start" x="1025.5" y="-114.3" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;RD &#160;&#160;&#160;</text>
+<polygon fill="#000000" stroke="transparent" points="990,-106.5 990,-108.5 1088,-108.5 1088,-106.5 990,-106.5"/>
+<polygon fill="#ff0000" stroke="transparent" points="990,-104.5 990,-106.5 1088,-106.5 1088,-104.5 990,-104.5"/>
+<polygon fill="#000000" stroke="transparent" points="990,-102.5 990,-104.5 1088,-104.5 1088,-102.5 990,-102.5"/>
+<text text-anchor="start" x="992" y="-89.3" font-family="arial" font-size="14.00">X2:2</text>
+<text text-anchor="start" x="1026.5" y="-89.3" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;BK &#160;&#160;&#160;</text>
+<polygon fill="#000000" stroke="transparent" points="990,-81.5 990,-83.5 1088,-83.5 1088,-81.5 990,-81.5"/>
+<polygon fill="#000000" stroke="transparent" points="990,-79.5 990,-81.5 1088,-81.5 1088,-79.5 990,-79.5"/>
+<polygon fill="#000000" stroke="transparent" points="990,-77.5 990,-79.5 1088,-79.5 1088,-77.5 990,-77.5"/>
+<text text-anchor="start" x="992" y="-64.3" font-family="arial" font-size="14.00">X2:3</text>
+<text text-anchor="start" x="1026" y="-64.3" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;BU &#160;&#160;&#160;</text>
+<polygon fill="#000000" stroke="transparent" points="990,-56.5 990,-58.5 1088,-58.5 1088,-56.5 990,-56.5"/>
+<polygon fill="#0066ff" stroke="transparent" points="990,-54.5 990,-56.5 1088,-56.5 1088,-54.5 990,-54.5"/>
+<polygon fill="#000000" stroke="transparent" points="990,-52.5 990,-54.5 1088,-54.5 1088,-52.5 990,-52.5"/>
+<text text-anchor="start" x="992" y="-39.3" font-family="arial" font-size="14.00">X2:4</text>
+<text text-anchor="start" x="1025" y="-39.3" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;GN &#160;&#160;&#160;</text>
+<polygon fill="#000000" stroke="transparent" points="990,-31.5 990,-33.5 1088,-33.5 1088,-31.5 990,-31.5"/>
+<polygon fill="#00ff00" stroke="transparent" points="990,-29.5 990,-31.5 1088,-31.5 1088,-29.5 990,-29.5"/>
+<polygon fill="#000000" stroke="transparent" points="990,-27.5 990,-29.5 1088,-29.5 1088,-27.5 990,-27.5"/>
+<text text-anchor="start" x="1004.5" y="-14.3" font-family="arial" font-size="14.00"> </text>
+</g>
+<!-- X2&#45;&#45;W2 -->
+<g id="edge5" class="edge">
+<title>X2:e&#45;&#45;W2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-101.5C910.25,-101.52 926.24,-103.52 990,-103.5"/>
+<path fill="none" stroke="#ff0000" stroke-width="2" d="M846,-103.5C910.01,-103.5 925.99,-105.5 990,-105.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-105.5C909.76,-105.48 925.75,-107.48 990,-107.5"/>
+</g>
+<!-- X2&#45;&#45;W2 -->
+<g id="edge6" class="edge">
+<title>X2:e&#45;&#45;W2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-77.5C910.13,-77.5 926.12,-78.5 990,-78.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-79.5C910,-79.5 926,-80.5 990,-80.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-81.5C909.88,-81.5 925.87,-82.5 990,-82.5"/>
+</g>
+<!-- X2&#45;&#45;W2 -->
+<g id="edge7" class="edge">
+<title>X2:e&#45;&#45;W2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-54.5C909.88,-54.5 925.87,-53.5 990,-53.5"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-58.5C910.13,-58.5 926.12,-57.5 990,-57.5"/>
+</g>
+<!-- X2&#45;&#45;W2 -->
+<g id="edge8" class="edge">
+<title>X2:e&#45;&#45;W2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-31.5C909.64,-31.53 925.62,-28.53 990,-28.5"/>
+<path fill="none" stroke="#00ff00" stroke-width="2" d="M846,-33.5C910.01,-33.5 925.99,-30.5 990,-30.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M846,-35.5C910.38,-35.47 926.36,-32.47 990,-32.5"/>
+</g>
+<!-- W1 -->
+<g id="node3" class="node">
+<title>W1</title>
+<polygon fill="#ffffff" stroke="black" stroke-dasharray="5,2" points="102,-192.5 0,-192.5 0,-8.5 102,-8.5 102,-192.5"/>
+<polygon fill="none" stroke="black" points="0,-169.5 0,-192.5 102,-192.5 102,-169.5 0,-169.5"/>
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+<polygon fill="none" stroke="black" points="0,-146.5 0,-169.5 41,-169.5 41,-146.5 0,-146.5"/>
+<text text-anchor="start" x="13" y="-154.3" font-family="arial" font-size="14.00">4x</text>
+<polygon fill="none" stroke="black" points="41,-146.5 41,-169.5 102,-169.5 102,-146.5 41,-146.5"/>
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+<text text-anchor="start" x="2" y="-133.3" font-family="arial" font-size="14.00"> </text>
+<text text-anchor="start" x="10.5" y="-114.3" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;RD &#160;&#160;&#160;</text>
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+<text text-anchor="start" x="11.5" y="-89.3" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;BK &#160;&#160;&#160;</text>
+<text text-anchor="start" x="71" y="-89.3" font-family="arial" font-size="14.00">X1:2</text>
+<polygon fill="#000000" stroke="transparent" points="0,-81.5 0,-83.5 102,-83.5 102,-81.5 0,-81.5"/>
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+<polygon fill="#000000" stroke="transparent" points="0,-77.5 0,-79.5 102,-79.5 102,-77.5 0,-77.5"/>
+<text text-anchor="start" x="11" y="-64.3" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;BU &#160;&#160;&#160;</text>
+<text text-anchor="start" x="71" y="-64.3" font-family="arial" font-size="14.00">X1:3</text>
+<polygon fill="#000000" stroke="transparent" points="0,-56.5 0,-58.5 102,-58.5 102,-56.5 0,-56.5"/>
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+<text text-anchor="start" x="2" y="-14.3" font-family="arial" font-size="14.00"> </text>
+</g>
+<!-- W1&#45;&#45;X1 -->
+<g id="edge1" class="edge">
+<title>W1:e&#45;&#45;X1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-103.5C165.76,-103.52 181.75,-101.52 246,-101.5"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-107.5C166.25,-107.48 182.24,-105.48 246,-105.5"/>
+</g>
+<!-- W1&#45;&#45;X1 -->
+<g id="edge2" class="edge">
+<title>W1:e&#45;&#45;X1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-78.5C165.88,-78.5 181.87,-77.5 246,-77.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-80.5C166,-80.5 182,-79.5 246,-79.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-82.5C166.13,-82.5 182.12,-81.5 246,-81.5"/>
+</g>
+<!-- W1&#45;&#45;X1 -->
+<g id="edge3" class="edge">
+<title>W1:e&#45;&#45;X1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-53.5C166.13,-53.5 182.12,-54.5 246,-54.5"/>
+<path fill="none" stroke="#0066ff" stroke-width="2" d="M102,-55.5C166,-55.5 182,-56.5 246,-56.5"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-57.5C165.88,-57.5 181.87,-58.5 246,-58.5"/>
+</g>
+<!-- W1&#45;&#45;X1 -->
+<g id="edge4" class="edge">
+<title>W1:e&#45;&#45;X1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M102,-28.5C166.38,-28.53 182.36,-31.53 246,-31.5"/>
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+</g>
+</g>
+</svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
+<h2>Bill of Materials</h2>
+
+<div id="bom">
+  <table class="bom">
+  <tr>
+    <th class="bom_col_id">Id</th>
+    <th class="bom_col_description">Description</th>
+    <th class="bom_col_qty">Qty</th>
+    <th class="bom_col_unit">Unit</th>
+    <th class="bom_col_designators">Designators</th>
+  </tr>
+  <tr>
+    <td class="bom_col_id">1</td>
+    <td class="bom_col_description">Connector, Dupont 2.54mm, female, 5 pins, BK</td>
+    <td class="bom_col_qty">1</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators">X2</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">2</td>
+    <td class="bom_col_description">Connector, Dupont 2.54mm, male, 5 pins, BK</td>
+    <td class="bom_col_qty">1</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators">X1</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">3</td>
+    <td class="bom_col_description">Wire, BK</td>
+    <td class="bom_col_qty">0.4</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators">W1, W2</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">4</td>
+    <td class="bom_col_description">Wire, BU</td>
+    <td class="bom_col_qty">0.4</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators">W1, W2</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">5</td>
+    <td class="bom_col_description">Wire, GN</td>
+    <td class="bom_col_qty">0.4</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators">W1, W2</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">6</td>
+    <td class="bom_col_description">Wire, RD</td>
+    <td class="bom_col_qty">0.4</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators">W1, W2</td>
+  </tr>
+</table>
+
+</div>
+
+</body></html>

examples/ex12.svg

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+<!-- X1 -->
+<g id="node1" class="node">
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examples/ex13.bom.tsv

@@ -0,0 +1,4 @@
+Id	Description	Qty	Unit	Designators
+1	Cable, 4 wires	0	m	C1, C2, C3
+2	Connector, 4 pins	3		X1, X2, X3
+3	Connector, ferrule	4		

examples/ex13.gv

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+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr><td>&nbsp;</td></tr>
+  </table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	edge [color="#000000:#ffffff:#000000"]
+	F1:e -- C2:w1:w
+	C2:w1:e -- X2:p1l:w
+	edge [color="#000000:#895956:#000000"]
+	F2:e -- C2:w2:w
+	C2:w2:e -- X2:p2l:w
+	edge [color="#000000:#00ff00:#000000"]
+	F3:e -- C2:w3:w
+	C2:w3:e -- X2:p3l:w
+	edge [color="#000000:#ffff00:#000000"]
+	F4:e -- C2:w4:w
+	C2:w4:e -- X2:p4l:w
+	C2 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">C2</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">4x</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
+   <tr>
+    <td></td>
+    <td>
+     1:WH
+    </td>
+    <td>X2:1:A</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w1" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     2:BN
+    </td>
+    <td>X2:2:B</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#895956" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     3:GN
+    </td>
+    <td>X2:3:C</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w3" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#00ff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     4:YE
+    </td>
+    <td>X2:4:D</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w4" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr><td>&nbsp;</td></tr>
+  </table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	edge [color="#000000:#ffffff:#000000"]
+	F1:e -- C3:w1:w
+	C3:w1:e -- X3:p1l:w
+	edge [color="#000000:#895956:#000000"]
+	F2:e -- C3:w2:w
+	C3:w2:e -- X3:p2l:w
+	edge [color="#000000:#00ff00:#000000"]
+	F3:e -- C3:w3:w
+	C3:w3:e -- X3:p3l:w
+	edge [color="#000000:#ffff00:#000000"]
+	F4:e -- C3:w4:w
+	C3:w4:e -- X3:p4l:w
+	C3 [label=<
+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">C3</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">4x</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
+   <tr>
+    <td></td>
+    <td>
+     1:WH
+    </td>
+    <td>X3:1:A</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w1" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     2:BN
+    </td>
+    <td>X3:2:B</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#895956" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     3:GN
+    </td>
+    <td>X3:3:C</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w3" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#00ff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     4:YE
+    </td>
+    <td>X3:4:D</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w4" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr><td>&nbsp;</td></tr>
+  </table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+}

examples/ex13.html

@@ -0,0 +1,449 @@
+<!DOCTYPE html>
+<html lang="en"><head>
+  <meta charset="UTF-8">
+  <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
+  <title>ex13</title>
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
+<h1>ex13</h1>
+<h2>Diagram</h2>
+
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
+ -->
+<!-- Pages: 1 -->
+<svg width="968pt" height="400pt"
+ viewBox="0.00 0.00 968.00 400.00" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink">
+<g id="graph0" class="graph" transform="scale(1 1) rotate(0) translate(4 396)">
+<polygon fill="#ffffff" stroke="transparent" points="-4,4 -4,-396 964,-396 964,4 -4,4"/>
+<!-- X1 -->
+<g id="node1" class="node">
+<title>X1</title>
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+<polygon fill="none" stroke="black" points="0,-233 0,-256 40,-256 40,-233 0,-233"/>
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+<polygon fill="none" stroke="black" points="0,-210 0,-233 40,-233 40,-210 0,-210"/>
+<text text-anchor="start" x="4" y="-217.8" font-family="arial" font-size="14.00">4&#45;pin</text>
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+<text text-anchor="start" x="6" y="-194.8" font-family="arial" font-size="14.00">A</text>
+<polygon fill="none" stroke="black" points="22,-187 22,-210 40,-210 40,-187 22,-187"/>
+<text text-anchor="start" x="27" y="-194.8" font-family="arial" font-size="14.00">1</text>
+<polygon fill="none" stroke="black" points="0,-164 0,-187 22,-187 22,-164 0,-164"/>
+<text text-anchor="start" x="6" y="-171.8" font-family="arial" font-size="14.00">B</text>
+<polygon fill="none" stroke="black" points="22,-164 22,-187 40,-187 40,-164 22,-164"/>
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+<text text-anchor="start" x="27" y="-148.8" font-family="arial" font-size="14.00">3</text>
+<polygon fill="none" stroke="black" points="0,-118 0,-141 22,-141 22,-118 0,-118"/>
+<text text-anchor="start" x="5.5" y="-125.8" font-family="arial" font-size="14.00">D</text>
+<polygon fill="none" stroke="black" points="22,-118 22,-141 40,-141 40,-118 22,-118"/>
+<text text-anchor="start" x="27" y="-125.8" font-family="arial" font-size="14.00">4</text>
+</g>
+<!-- C1 -->
+<g id="node8" class="node">
+<title>C1</title>
+<polygon fill="#ffffff" stroke="black" points="310,-288 184,-288 184,-104 310,-104 310,-288"/>
+<polygon fill="none" stroke="black" points="184,-265 184,-288 310,-288 310,-265 184,-265"/>
+<text text-anchor="start" x="238" y="-272.8" font-family="arial" font-size="14.00">C1</text>
+<polygon fill="none" stroke="black" points="184,-242 184,-265 310,-265 310,-242 184,-242"/>
+<text text-anchor="start" x="239.5" y="-249.8" font-family="arial" font-size="14.00">4x</text>
+<text text-anchor="start" x="205.5" y="-228.8" font-family="arial" font-size="14.00"> </text>
+<text text-anchor="start" x="186" y="-209.8" font-family="arial" font-size="14.00">X1:1:A</text>
+<text text-anchor="start" x="233" y="-209.8" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;1:WH &#160;&#160;&#160;</text>
+<polygon fill="#000000" stroke="transparent" points="184,-202 184,-204 310,-204 310,-202 184,-202"/>
+<polygon fill="#ffffff" stroke="transparent" points="184,-200 184,-202 310,-202 310,-200 184,-200"/>
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+<text text-anchor="start" x="235" y="-184.8" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;2:BN &#160;&#160;&#160;</text>
+<polygon fill="#000000" stroke="transparent" points="184,-177 184,-179 310,-179 310,-177 184,-177"/>
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+<text text-anchor="start" x="186" y="-159.8" font-family="arial" font-size="14.00">X1:3:C</text>
+<text text-anchor="start" x="234.5" y="-159.8" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;3:GN &#160;&#160;&#160;</text>
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+<text text-anchor="start" x="235.5" y="-134.8" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;4:YE &#160;&#160;&#160;</text>
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+<text text-anchor="start" x="205.5" y="-109.8" font-family="arial" font-size="14.00"> </text>
+</g>
+<!-- X1&#45;&#45;C1 -->
+<g id="edge1" class="edge">
+<title>X1:e&#45;&#45;C1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-197C104.25,-197.02 120.24,-199.02 184,-199"/>
+<path fill="none" stroke="#ffffff" stroke-width="2" d="M40,-199C104.01,-199 119.99,-201 184,-201"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-201C103.76,-200.98 119.75,-202.98 184,-203"/>
+</g>
+<!-- X1&#45;&#45;C1 -->
+<g id="edge3" class="edge">
+<title>X1:e&#45;&#45;C1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-173C104.13,-173 120.12,-174 184,-174"/>
+<path fill="none" stroke="#895956" stroke-width="2" d="M40,-175C104,-175 120,-176 184,-176"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-177C103.88,-177 119.87,-178 184,-178"/>
+</g>
+<!-- X1&#45;&#45;C1 -->
+<g id="edge5" class="edge">
+<title>X1:e&#45;&#45;C1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-150C103.88,-150 119.87,-149 184,-149"/>
+<path fill="none" stroke="#00ff00" stroke-width="2" d="M40,-152C104,-152 120,-151 184,-151"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-154C104.13,-154 120.12,-153 184,-153"/>
+</g>
+<!-- X1&#45;&#45;C1 -->
+<g id="edge7" class="edge">
+<title>X1:e&#45;&#45;C1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-127C103.64,-127.03 119.62,-124.03 184,-124"/>
+<path fill="none" stroke="#ffff00" stroke-width="2" d="M40,-129C104.01,-129 119.99,-126 184,-126"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M40,-131C104.38,-130.97 120.36,-127.97 184,-128"/>
+</g>
+<!-- F1 -->
+<g id="node2" class="node">
+<title>F1</title>
+<polygon fill="#ffffff" stroke="black" points="502,-245.5 454,-245.5 454,-222.5 502,-222.5 502,-245.5"/>
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+<text text-anchor="start" x="458" y="-229.8" font-family="arial" font-size="14.00">ferrule</text>
+</g>
+<!-- C2 -->
+<g id="node9" class="node">
+<title>C2</title>
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+<text text-anchor="start" x="656" y="-313.8" font-family="arial" font-size="14.00"> &#160;&#160;&#160;&#160;1:WH &#160;&#160;&#160;</text>
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+<text text-anchor="start" x="648" y="-213.8" font-family="arial" font-size="14.00"> </text>
+</g>
+<!-- F1&#45;&#45;C2 -->
+<g id="edge9" class="edge">
+<title>F1:e&#45;&#45;C2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M502,-232C575.36,-233.96 576.64,-304.96 646,-303"/>
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+<!-- C3 -->
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+<!-- F1&#45;&#45;C3 -->
+<g id="edge17" class="edge">
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+<!-- F2&#45;&#45;C2 -->
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+<!-- F2&#45;&#45;C3 -->
+<g id="edge19" class="edge">
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+<path fill="none" stroke="#895956" stroke-width="2" d="M502,-187C583.9,-187 564.1,-72 646,-72"/>
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+</g>
+<!-- F3&#45;&#45;C2 -->
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+<!-- F3&#45;&#45;C3 -->
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+<text text-anchor="start" x="458" y="-88.8" font-family="arial" font-size="14.00">ferrule</text>
+</g>
+<!-- F4&#45;&#45;C2 -->
+<g id="edge15" class="edge">
+<title>F4:e&#45;&#45;C2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M502,-91C592.28,-93.46 559.61,-230.46 646,-228"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M502,-95C588.39,-92.54 555.72,-229.54 646,-232"/>
+</g>
+<!-- F4&#45;&#45;C3 -->
+<g id="edge23" class="edge">
+<title>F4:e&#45;&#45;C3:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M502,-91C571.36,-92.96 572.64,-21.96 646,-20"/>
+<path fill="none" stroke="#ffff00" stroke-width="2" d="M502,-93C573.36,-93 574.64,-22 646,-22"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M502,-95C575.36,-93.04 576.64,-22.04 646,-24"/>
+</g>
+<!-- X2 -->
+<g id="node6" class="node">
+<title>X2</title>
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+<polygon fill="none" stroke="black" points="920,-337 920,-360 960,-360 960,-337 920,-337"/>
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+</g>
+<!-- X3 -->
+<g id="node7" class="node">
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+<polygon fill="none" stroke="black" points="920,-37 920,-60 939,-60 939,-37 920,-37"/>
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+<text text-anchor="start" x="944" y="-21.8" font-family="arial" font-size="14.00">D</text>
+</g>
+<!-- C1&#45;&#45;F1 -->
+<g id="edge2" class="edge">
+<title>C1:e&#45;&#45;F1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M310,-199C377.53,-200.28 390.21,-233.28 454,-232"/>
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+</g>
+<!-- C1&#45;&#45;F2 -->
+<g id="edge4" class="edge">
+<title>C1:e&#45;&#45;F2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M310,-174C375.34,-174.36 390.96,-185.36 454,-185"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M310,-178C373.04,-177.64 388.66,-188.64 454,-189"/>
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+<!-- C1&#45;&#45;F3 -->
+<g id="edge6" class="edge">
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+<path fill="none" stroke="#000000" stroke-width="2" d="M310,-153C375.34,-152.64 390.96,-141.64 454,-142"/>
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+<!-- C1&#45;&#45;F4 -->
+<g id="edge8" class="edge">
+<title>C1:e&#45;&#45;F4:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M310,-124C373.79,-125.28 386.47,-92.28 454,-91"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M310,-128C377.53,-126.72 390.21,-93.72 454,-95"/>
+</g>
+<!-- C2&#45;&#45;X2 -->
+<g id="edge10" class="edge">
+<title>C2:e&#45;&#45;X2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M776,-303C839.76,-303.02 855.75,-301.02 920,-301"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M776,-307C840.25,-306.98 856.24,-304.98 920,-305"/>
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+<!-- C2&#45;&#45;X2 -->
+<g id="edge12" class="edge">
+<title>C2:e&#45;&#45;X2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M776,-278C839.88,-278 855.87,-277 920,-277"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M776,-282C840.13,-282 856.12,-281 920,-281"/>
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+<!-- C2&#45;&#45;X2 -->
+<g id="edge14" class="edge">
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+<!-- C2&#45;&#45;X2 -->
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+<title>C2:e&#45;&#45;X2:w</title>
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+<!-- C3&#45;&#45;X3 -->
+<g id="edge18" class="edge">
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+<!-- C3&#45;&#45;X3 -->
+<g id="edge20" class="edge">
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+</g>
+<!-- C3&#45;&#45;X3 -->
+<g id="edge22" class="edge">
+<title>C3:e&#45;&#45;X3:w</title>
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+<!-- C3&#45;&#45;X3 -->
+<g id="edge24" class="edge">
+<title>C3:e&#45;&#45;X3:w</title>
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+</g>
+</g>
+</svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
+<h2>Bill of Materials</h2>
+
+<div id="bom">
+  <table class="bom">
+  <tr>
+    <th class="bom_col_id">Id</th>
+    <th class="bom_col_description">Description</th>
+    <th class="bom_col_qty">Qty</th>
+    <th class="bom_col_unit">Unit</th>
+    <th class="bom_col_designators">Designators</th>
+  </tr>
+  <tr>
+    <td class="bom_col_id">1</td>
+    <td class="bom_col_description">Cable, 4 wires</td>
+    <td class="bom_col_qty">0</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators">C1, C2, C3</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">2</td>
+    <td class="bom_col_description">Connector, 4 pins</td>
+    <td class="bom_col_qty">3</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators">X1, X2, X3</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">3</td>
+    <td class="bom_col_description">Connector, ferrule</td>
+    <td class="bom_col_qty">4</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators"></td>
+  </tr>
+</table>
+
+</div>
+
+</body></html>

examples/ex13.svg

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examples/ex14.bom.tsv

@@ -0,0 +1,8 @@
+Id	Description	Qty	Unit	Designators
+1	Cable, 1 wires	0.1	m	
+2	Cable, 4 wires	0.4	m	W1, W2, W21, W3
+3	Connector, Ferrule, GY	4		
+4	Connector, JST SM, female, 4 pins	1		X2
+5	Connector, JST SM, male, 4 pins	2		X1, X3
+6	Connector, Screw terminal connector, 4 pins, GN	1		X4
+7	Connector, Splice, CU	8		

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+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     2:BN
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#895956" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     3:GN
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w3" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#00ff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     4:YE
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w4" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr><td>&nbsp;</td></tr>
+  </table>
+ </td></tr>
+</table>
+> fillcolor="#FFFFFF" shape=box style=filled]
+	edge [color="#000000:#ffffff:#000000"]
+	AUTOGENERATED_S_4:e -- W21:w1:w
+	W21:w1:e -- X2:p1l:w
+	edge [color="#000000:#895956:#000000"]
+	AUTOGENERATED_S_5:e -- W21:w2:w
+	W21:w2:e -- X2:p2l:w
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+	AUTOGENERATED_S_6:e -- W21:w3:w
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+	edge [color="#000000:#ffff00:#000000"]
+	AUTOGENERATED_S_7:e -- W21:w4:w
+	W21:w4:e -- X2:p4l:w
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+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
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+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">4x</td>
+   <td balign="left">0.1 m</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
+   <tr>
+    <td></td>
+    <td>
+     1:WH
+    </td>
+    <td>X2:1:A</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w1" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffffff" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     2:BN
+    </td>
+    <td>X2:2:B</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#895956" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     3:GN
+    </td>
+    <td>X2:3:C</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w3" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#00ff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td></td>
+    <td>
+     4:YE
+    </td>
+    <td>X2:4:D</td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w4" height="6">
+     <table cellspacing="0" cellborder="0" border="0">
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#ffff00" border="0"></td></tr>
+      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="#000000" border="0"></td></tr>
+     </table>
+    </td>
+   </tr>
+   <tr><td>&nbsp;</td></tr>
+  </table>
+ </td></tr>
+</table>
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+	edge [color="#000000:#ffffff:#000000"]
+	X3:p1r:e -- W3:w1:w
+	W3:w1:e -- AUTOGENERATED_F_1:w
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+	X3:p2r:e -- W3:w2:w
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+	X3:p3r:e -- W3:w3:w
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+	X3:p4r:e -- W3:w4:w
+	W3:w4:e -- AUTOGENERATED_F_4:w
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+<table border="0" cellspacing="0" cellpadding="0">
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">W3</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>
+   <td balign="left">4x</td>
+   <td balign="left">0.1 m</td>
+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
+   <tr>
+    <td>X3:1:A</td>
+    <td>
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+    <td></td>
+   </tr>
+   <tr>
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+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td>X3:2:B</td>
+    <td>
+     2:BN
+    </td>
+    <td></td>
+   </tr>
+   <tr>
+    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w2" height="6">
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+     </table>
+    </td>
+   </tr>
+   <tr>
+    <td>X3:3:C</td>
+    <td>
+     3:GN
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+    <td></td>
+   </tr>
+   <tr>
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+   <tr>
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+ </td></tr>
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+	S1:e -- AUTOGENERATED_WIRE_1:w1:w
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+   <td balign="left">1x</td>
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+  </tr></table>
+ </td></tr>
+ <tr><td>
+  <table border="0" cellspacing="0" cellborder="0">
+   <tr><td>&nbsp;</td></tr>
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+    <td></td>
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+    <td>X2:4:D</td>
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examples/ex14.html

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+<!DOCTYPE html>
+<html lang="en"><head>
+  <meta charset="UTF-8">
+  <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
+  <title>ex14</title>
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
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+    .bom_col_qty {
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+</head><body style="font-family:arial;background-color:#ffffff">
+<h1>ex14</h1>
+<h2>Diagram</h2>
+
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
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+<path fill="none" stroke="#00ff00" stroke-width="2" d="M866,-135C930,-135 946,-135 1010,-135"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M866,-137C930,-137 946,-137 1010,-137"/>
+</g>
+<!-- W2&#45;&#45;AUTOGENERATED_S_7 -->
+<g id="edge16" class="edge">
+<title>W2:e&#45;&#45;AUTOGENERATED_S_7:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M866,-108C929.07,-108.9 943.59,-86.9 1010,-86"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M866,-112C932.41,-111.1 946.93,-89.1 1010,-90"/>
+</g>
+<!-- W21&#45;&#45;X2 -->
+<g id="edge18" class="edge">
+<title>W21:e&#45;&#45;X2:w</title>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M1368,-209C1432.38,-208.97 1448.36,-205.97 1512,-206"/>
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+<!-- W21&#45;&#45;X2 -->
+<g id="edge20" class="edge">
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+</g>
+<!-- W21&#45;&#45;X2 -->
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+<!-- W21&#45;&#45;X2 -->
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+<path fill="none" stroke="#000000" stroke-width="2" d="M1368,-134C1431.76,-133.98 1447.75,-135.98 1512,-136"/>
+</g>
+<!-- W3&#45;&#45;AUTOGENERATED_F_1 -->
+<g id="edge26" class="edge">
+<title>W3:e&#45;&#45;AUTOGENERATED_F_1:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-204C2274.96,-204.52 2290.35,-190.52 2356,-190"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-208C2277.65,-207.48 2293.04,-193.48 2356,-194"/>
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+<!-- W3&#45;&#45;AUTOGENERATED_F_2 -->
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+<title>W3:e&#45;&#45;AUTOGENERATED_F_2:w</title>
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+</g>
+<!-- W3&#45;&#45;AUTOGENERATED_F_4 -->
+<g id="edge32" class="edge">
+<title>W3:e&#45;&#45;AUTOGENERATED_F_4:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-129C2277.65,-129.52 2293.04,-143.52 2356,-143"/>
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+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-133C2274.96,-132.48 2290.35,-146.48 2356,-147"/>
+</g>
+<!-- AUTOGENERATED_WIRE_1&#45;&#45;X2 -->
+<g id="edge34" class="edge">
+<title>AUTOGENERATED_WIRE_1:e&#45;&#45;X2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M1367,-20C1450.41,-22.31 1432.54,-134.31 1512,-132"/>
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+</g>
+</g>
+</svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
+<h2>Bill of Materials</h2>
+
+<div id="bom">
+  <table class="bom">
+  <tr>
+    <th class="bom_col_id">Id</th>
+    <th class="bom_col_description">Description</th>
+    <th class="bom_col_qty">Qty</th>
+    <th class="bom_col_unit">Unit</th>
+    <th class="bom_col_designators">Designators</th>
+  </tr>
+  <tr>
+    <td class="bom_col_id">1</td>
+    <td class="bom_col_description">Cable, 1 wires</td>
+    <td class="bom_col_qty">0.1</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators"></td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">2</td>
+    <td class="bom_col_description">Cable, 4 wires</td>
+    <td class="bom_col_qty">0.4</td>
+    <td class="bom_col_unit">m</td>
+    <td class="bom_col_designators">W1, W2, W21, W3</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">3</td>
+    <td class="bom_col_description">Connector, Ferrule, GY</td>
+    <td class="bom_col_qty">4</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators"></td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">4</td>
+    <td class="bom_col_description">Connector, JST SM, female, 4 pins</td>
+    <td class="bom_col_qty">1</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators">X2</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">5</td>
+    <td class="bom_col_description">Connector, JST SM, male, 4 pins</td>
+    <td class="bom_col_qty">2</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators">X1, X3</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">6</td>
+    <td class="bom_col_description">Connector, Screw terminal connector, 4 pins, GN</td>
+    <td class="bom_col_qty">1</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators">X4</td>
+  </tr>
+  <tr>
+    <td class="bom_col_id">7</td>
+    <td class="bom_col_description">Connector, Splice, CU</td>
+    <td class="bom_col_qty">8</td>
+    <td class="bom_col_unit"></td>
+    <td class="bom_col_designators"></td>
+  </tr>
+</table>
+
+</div>
+
+</body></html>

examples/ex14.svg

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+<title>W3:e&#45;&#45;AUTOGENERATED_F_3:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-154C2279.01,-155.79 2285.01,-97.79 2356,-96"/>
+<path fill="none" stroke="#00ff00" stroke-width="2" d="M2212,-156C2281,-156 2287,-98 2356,-98"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-158C2282.99,-156.21 2288.99,-98.21 2356,-100"/>
+</g>
+<!-- W3&#45;&#45;AUTOGENERATED_F_4 -->
+<g id="edge32" class="edge">
+<title>W3:e&#45;&#45;AUTOGENERATED_F_4:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-129C2277.65,-129.52 2293.04,-143.52 2356,-143"/>
+<path fill="none" stroke="#ffff00" stroke-width="2" d="M2212,-131C2276.3,-131 2291.7,-145 2356,-145"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M2212,-133C2274.96,-132.48 2290.35,-146.48 2356,-147"/>
+</g>
+<!-- AUTOGENERATED_WIRE_1&#45;&#45;X2 -->
+<g id="edge34" class="edge">
+<title>AUTOGENERATED_WIRE_1:e&#45;&#45;X2:w</title>
+<path fill="none" stroke="#000000" stroke-width="2" d="M1367,-20C1450.41,-22.31 1432.54,-134.31 1512,-132"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M1367,-22C1448.43,-22 1430.57,-134 1512,-134"/>
+<path fill="none" stroke="#000000" stroke-width="2" d="M1367,-24C1446.46,-21.69 1428.59,-133.69 1512,-136"/>
+</g>
+</g>
+</svg>

examples/readme.md

@@ -60,3 +60,27 @@
 [Source](ex10.yml) - [Bill of Materials](ex10.bom.tsv)
 
 
+## Example 11
+![](ex11.png)
+
+[Source](ex11.yml) - [Bill of Materials](ex11.bom.tsv)
+
+
+## Example 12
+![](ex12.png)
+
+[Source](ex12.yml) - [Bill of Materials](ex12.bom.tsv)
+
+
+## Example 13
+![](ex13.png)
+
+[Source](ex13.yml) - [Bill of Materials](ex13.bom.tsv)
+
+
+## Example 14
+![](ex14.png)
+
+[Source](ex14.yml) - [Bill of Materials](ex14.bom.tsv)
+
+

requirements.txt

@@ -3,3 +3,4 @@ graphviz
 pillow
 pyyaml
 setuptools
+tabulate

setup.py

@@ -15,13 +15,14 @@ setup(
     author="Daniel Rojas",
     # author_email='',
     description="Easily document cables and wiring harnesses",
-    long_description=open(README_PATH).read(),
+    long_description=README_PATH.read_text(),
     long_description_content_type="text/markdown",
     install_requires=[
         "click",
-        "pyyaml",
-        "pillow",
         "graphviz",
+        "pillow",
+        "pyyaml",
+        "tabulate",
     ],
     license="GPLv3",
     keywords="cable connector hardware harness wiring wiring-diagram wiring-harness",
@@ -37,8 +38,9 @@ setup(
         "Development Status :: 4 - Beta",
         "Environment :: Console",
         "Programming Language :: Python :: 3",
-        "Programming Language :: Python :: 3.7",
         "Programming Language :: Python :: 3.8",
+        "Programming Language :: Python :: 3.9",
+        "Programming Language :: Python :: 3.10",
         "Topic :: Utilities",
         "License :: OSI Approved :: GNU General Public License v3 (GPLv3)",
     ],

src/wireviz/DataClasses.py

@@ -1,433 +0,0 @@
-# -*- coding: utf-8 -*-
-
-from dataclasses import InitVar, dataclass, field
-from enum import Enum, auto
-from pathlib import Path
-from typing import Dict, List, Optional, Tuple, Union
-
-from wireviz.wv_colors import COLOR_CODES, Color, ColorMode, Colors, ColorScheme
-from wireviz.wv_helper import aspect_ratio, int2tuple
-
-# Each type alias have their legal values described in comments - validation might be implemented in the future
-PlainText = str  # Text not containing HTML tags nor newlines
-Hypertext = str  # Text possibly including HTML hyperlinks that are removed in all outputs except HTML output
-MultilineHypertext = (
-    str  # Hypertext possibly also including newlines to break lines in diagram output
-)
-
-Designator = PlainText  # Case insensitive unique name of connector or cable
-
-# Literal type aliases below are commented to avoid requiring python 3.8
-ConnectorMultiplier = PlainText  # = Literal['pincount', 'populated']
-CableMultiplier = (
-    PlainText  # = Literal['wirecount', 'terminations', 'length', 'total_length']
-)
-ImageScale = PlainText  # = Literal['false', 'true', 'width', 'height', 'both']
-
-# Type combinations
-Pin = Union[int, PlainText]  # Pin identifier
-PinIndex = int  # Zero-based pin index
-Wire = Union[int, PlainText]  # Wire number or Literal['s'] for shield
-NoneOrMorePins = Union[
-    Pin, Tuple[Pin, ...], None
-]  # None, one, or a tuple of pin identifiers
-NoneOrMorePinIndices = Union[
-    PinIndex, Tuple[PinIndex, ...], None
-]  # None, one, or a tuple of zero-based pin indices
-OneOrMoreWires = Union[Wire, Tuple[Wire, ...]]  # One or a tuple of wires
-
-# Metadata can contain whatever is needed by the HTML generation/template.
-MetadataKeys = PlainText  # Literal['title', 'description', 'notes', ...]
-
-
-Side = Enum("Side", "LEFT RIGHT")
-
-
-class Metadata(dict):
-    pass
-
-
-@dataclass
-class Options:
-    fontname: PlainText = "arial"
-    bgcolor: Color = "WH"
-    bgcolor_node: Optional[Color] = "WH"
-    bgcolor_connector: Optional[Color] = None
-    bgcolor_cable: Optional[Color] = None
-    bgcolor_bundle: Optional[Color] = None
-    color_mode: ColorMode = "SHORT"
-    mini_bom_mode: bool = True
-    template_separator: str = "."
-
-    def __post_init__(self):
-        if not self.bgcolor_node:
-            self.bgcolor_node = self.bgcolor
-        if not self.bgcolor_connector:
-            self.bgcolor_connector = self.bgcolor_node
-        if not self.bgcolor_cable:
-            self.bgcolor_cable = self.bgcolor_node
-        if not self.bgcolor_bundle:
-            self.bgcolor_bundle = self.bgcolor_cable
-
-
-@dataclass
-class Tweak:
-    override: Optional[Dict[Designator, Dict[str, Optional[str]]]] = None
-    append: Union[str, List[str], None] = None
-
-
-@dataclass
-class Image:
-    # Attributes of the image object <img>:
-    src: str
-    scale: Optional[ImageScale] = None
-    # Attributes of the image cell <td> containing the image:
-    width: Optional[int] = None
-    height: Optional[int] = None
-    fixedsize: Optional[bool] = None
-    bgcolor: Optional[Color] = None
-    # Contents of the text cell <td> just below the image cell:
-    caption: Optional[MultilineHypertext] = None
-    # See also HTML doc at https://graphviz.org/doc/info/shapes.html#html
-
-    def __post_init__(self):
-
-        if self.fixedsize is None:
-            # Default True if any dimension specified unless self.scale also is specified.
-            self.fixedsize = (self.width or self.height) and self.scale is None
-
-        if self.scale is None:
-            if not self.width and not self.height:
-                self.scale = "false"
-            elif self.width and self.height:
-                self.scale = "both"
-            else:
-                self.scale = "true"  # When only one dimension is specified.
-
-        if self.fixedsize:
-            # If only one dimension is specified, compute the other
-            # because Graphviz requires both when fixedsize=True.
-            if self.height:
-                if not self.width:
-                    self.width = self.height * aspect_ratio(self.src)
-            else:
-                if self.width:
-                    self.height = self.width / aspect_ratio(self.src)
-
-
-@dataclass
-class AdditionalComponent:
-    type: MultilineHypertext
-    subtype: Optional[MultilineHypertext] = None
-    manufacturer: Optional[MultilineHypertext] = None
-    mpn: Optional[MultilineHypertext] = None
-    supplier: Optional[MultilineHypertext] = None
-    spn: Optional[MultilineHypertext] = None
-    pn: Optional[Hypertext] = None
-    qty: float = 1
-    unit: Optional[str] = None
-    qty_multiplier: Union[ConnectorMultiplier, CableMultiplier, None] = None
-    bgcolor: Optional[Color] = None
-
-    @property
-    def description(self) -> str:
-        s = self.type.rstrip() + f", {self.subtype.rstrip()}" if self.subtype else ""
-        return s
-
-
-@dataclass
-class Connector:
-    name: Designator
-    bgcolor: Optional[Color] = None
-    bgcolor_title: Optional[Color] = None
-    manufacturer: Optional[MultilineHypertext] = None
-    mpn: Optional[MultilineHypertext] = None
-    supplier: Optional[MultilineHypertext] = None
-    spn: Optional[MultilineHypertext] = None
-    pn: Optional[Hypertext] = None
-    style: Optional[str] = None
-    category: Optional[str] = None
-    type: Optional[MultilineHypertext] = None
-    subtype: Optional[MultilineHypertext] = None
-    pincount: Optional[int] = None
-    image: Optional[Image] = None
-    notes: Optional[MultilineHypertext] = None
-    pins: List[Pin] = field(default_factory=list)
-    pinlabels: List[Pin] = field(default_factory=list)
-    pincolors: List[Color] = field(default_factory=list)
-    color: Optional[Color] = None
-    show_name: Optional[bool] = None
-    show_pincount: Optional[bool] = None
-    hide_disconnected_pins: bool = False
-    loops: List[List[Pin]] = field(default_factory=list)
-    ignore_in_bom: bool = False
-    additional_components: List[AdditionalComponent] = field(default_factory=list)
-
-    def __post_init__(self) -> None:
-
-        if isinstance(self.image, dict):
-            self.image = Image(**self.image)
-
-        self.ports_left = False
-        self.ports_right = False
-        self.visible_pins = {}
-
-        if self.style == "simple":
-            if self.pincount and self.pincount > 1:
-                raise Exception(
-                    "Connectors with style set to simple may only have one pin"
-                )
-            self.pincount = 1
-
-        if not self.pincount:
-            self.pincount = max(
-                len(self.pins), len(self.pinlabels), len(self.pincolors)
-            )
-            if not self.pincount:
-                raise Exception(
-                    "You need to specify at least one, pincount, pins, pinlabels, or pincolors"
-                )
-
-        # create default list for pins (sequential) if not specified
-        if not self.pins:
-            self.pins = list(range(1, self.pincount + 1))
-
-        if len(self.pins) != len(set(self.pins)):
-            raise Exception("Pins are not unique")
-
-        if self.show_name is None:
-            # hide designators for simple and for auto-generated connectors by default
-            self.show_name = self.style != "simple" and self.name[0:2] != "__"
-
-        if self.show_pincount is None:
-            # hide pincount for simple (1 pin) connectors by default
-            self.show_pincount = self.style != "simple"
-
-        for loop in self.loops:
-            # TODO: allow using pin labels in addition to pin numbers, just like when defining regular connections
-            # TODO: include properties of wire used to create the loop
-            if len(loop) != 2:
-                raise Exception("Loops must be between exactly two pins!")
-            for pin in loop:
-                if pin not in self.pins:
-                    raise Exception(f'Unknown loop pin "{pin}" for connector "{self.name}"!')
-                # Make sure loop connected pins are not hidden.
-                self.activate_pin(pin)
-
-        for i, item in enumerate(self.additional_components):
-            if isinstance(item, dict):
-                self.additional_components[i] = AdditionalComponent(**item)
-
-    def activate_pin(self, pin: Pin, side: Side) -> None:
-        self.visible_pins[pin] = True
-        if side == Side.LEFT:
-            self.ports_left = True
-        elif side == Side.RIGHT:
-            self.ports_right = True
-
-    def get_qty_multiplier(self, qty_multiplier: Optional[ConnectorMultiplier]) -> int:
-        if not qty_multiplier:
-            return 1
-        elif qty_multiplier == "pincount":
-            return self.pincount
-        elif qty_multiplier == "populated":
-            return sum(self.visible_pins.values())
-        else:
-            raise ValueError(
-                f"invalid qty multiplier parameter for connector {qty_multiplier}"
-            )
-
-
-@dataclass
-class Cable:
-    name: Designator
-    bgcolor: Optional[Color] = None
-    bgcolor_title: Optional[Color] = None
-    manufacturer: Union[MultilineHypertext, List[MultilineHypertext], None] = None
-    mpn: Union[MultilineHypertext, List[MultilineHypertext], None] = None
-    supplier: Union[MultilineHypertext, List[MultilineHypertext], None] = None
-    spn: Union[MultilineHypertext, List[MultilineHypertext], None] = None
-    pn: Union[Hypertext, List[Hypertext], None] = None
-    category: Optional[str] = None
-    type: Optional[MultilineHypertext] = None
-    gauge: Optional[float] = None
-    gauge_unit: Optional[str] = None
-    show_equiv: bool = False
-    length: float = 0
-    length_unit: Optional[str] = None
-    color: Optional[Color] = None
-    wirecount: Optional[int] = None
-    shield: Union[bool, Color] = False
-    image: Optional[Image] = None
-    notes: Optional[MultilineHypertext] = None
-    colors: List[Colors] = field(default_factory=list)
-    wirelabels: List[Wire] = field(default_factory=list)
-    color_code: Optional[ColorScheme] = None
-    show_name: Optional[bool] = None
-    show_wirecount: bool = True
-    show_wirenumbers: Optional[bool] = None
-    ignore_in_bom: bool = False
-    additional_components: List[AdditionalComponent] = field(default_factory=list)
-
-    def __post_init__(self) -> None:
-
-        if isinstance(self.image, dict):
-            self.image = Image(**self.image)
-
-        if isinstance(self.gauge, str):  # gauge and unit specified
-            try:
-                g, u = self.gauge.split(" ")
-            except Exception:
-                raise Exception(
-                    f"Cable {self.name} gauge={self.gauge} - Gauge must be a number, or number and unit separated by a space"
-                )
-            self.gauge = g
-
-            if self.gauge_unit is not None:
-                print(
-                    f"Warning: Cable {self.name} gauge_unit={self.gauge_unit} is ignored because its gauge contains {u}"
-                )
-            if u.upper() == "AWG":
-                self.gauge_unit = u.upper()
-            else:
-                self.gauge_unit = u.replace("mm2", "mm\u00B2")
-
-        elif self.gauge is not None:  # gauge specified, assume mm2
-            if self.gauge_unit is None:
-                self.gauge_unit = "mm\u00B2"
-        else:
-            pass  # gauge not specified
-
-        if isinstance(self.length, str):  # length and unit specified
-            try:
-                L, u = self.length.split(" ")
-                L = float(L)
-            except Exception:
-                raise Exception(
-                    f"Cable {self.name} length={self.length} - Length must be a number, or number and unit separated by a space"
-                )
-            self.length = L
-            if self.length_unit is not None:
-                print(
-                    f"Warning: Cable {self.name} length_unit={self.length_unit} is ignored because its length contains {u}"
-                )
-            self.length_unit = u
-        elif not any(isinstance(self.length, t) for t in [int, float]):
-            raise Exception(f"Cable {self.name} length has a non-numeric value")
-        elif self.length_unit is None:
-            self.length_unit = "m"
-
-        self.connections = []
-
-        if self.wirecount:  # number of wires explicitly defined
-            if self.colors:  # use custom color palette (partly or looped if needed)
-                pass
-            elif self.color_code:
-                # use standard color palette (partly or looped if needed)
-                if self.color_code not in COLOR_CODES:
-                    raise Exception("Unknown color code")
-                self.colors = COLOR_CODES[self.color_code]
-            else:  # no colors defined, add dummy colors
-                self.colors = [""] * self.wirecount
-
-            # make color code loop around if more wires than colors
-            if self.wirecount > len(self.colors):
-                m = self.wirecount // len(self.colors) + 1
-                self.colors = self.colors * int(m)
-            # cut off excess after looping
-            self.colors = self.colors[: self.wirecount]
-        else:  # wirecount implicit in length of color list
-            if not self.colors:
-                raise Exception(
-                    "Unknown number of wires. Must specify wirecount or colors (implicit length)"
-                )
-            self.wirecount = len(self.colors)
-
-        if self.wirelabels:
-            if self.shield and "s" in self.wirelabels:
-                raise Exception(
-                    '"s" may not be used as a wire label for a shielded cable.'
-                )
-
-        # if lists of part numbers are provided check this is a bundle and that it matches the wirecount.
-        for idfield in [self.manufacturer, self.mpn, self.supplier, self.spn, self.pn]:
-            if isinstance(idfield, list):
-                if self.category == "bundle":
-                    # check the length
-                    if len(idfield) != self.wirecount:
-                        raise Exception("lists of part data must match wirecount")
-                else:
-                    raise Exception("lists of part data are only supported for bundles")
-
-        if self.show_name is None:
-            # hide designators for auto-generated cables by default
-            self.show_name = self.name[0:2] != "__"
-
-        if self.show_wirenumbers is None:
-            # by default, show wire numbers for cables, hide for bundles
-            self.show_wirenumbers = self.category != "bundle"
-
-        for i, item in enumerate(self.additional_components):
-            if isinstance(item, dict):
-                self.additional_components[i] = AdditionalComponent(**item)
-
-    # The *_pin arguments accept a tuple, but it seems not in use with the current code.
-    def connect(
-        self,
-        from_name: Optional[Designator],
-        from_pin: NoneOrMorePinIndices,
-        via_wire: OneOrMoreWires,
-        to_name: Optional[Designator],
-        to_pin: NoneOrMorePinIndices,
-    ) -> None:
-
-        from_pin = int2tuple(from_pin)
-        via_wire = int2tuple(via_wire)
-        to_pin = int2tuple(to_pin)
-        if len(from_pin) != len(to_pin):
-            raise Exception("from_pin must have the same number of elements as to_pin")
-        for i, _ in enumerate(from_pin):
-            self.connections.append(
-                Connection(from_name, from_pin[i], via_wire[i], to_name, to_pin[i])
-            )
-
-    def get_qty_multiplier(self, qty_multiplier: Optional[CableMultiplier]) -> float:
-        if not qty_multiplier:
-            return 1
-        elif qty_multiplier == "wirecount":
-            return self.wirecount
-        elif qty_multiplier == "terminations":
-            return len(self.connections)
-        elif qty_multiplier == "length":
-            return self.length
-        elif qty_multiplier == "total_length":
-            return self.length * self.wirecount
-        else:
-            raise ValueError(
-                f"invalid qty multiplier parameter for cable {qty_multiplier}"
-            )
-
-
-@dataclass
-class Connection:
-    from_name: Optional[Designator]
-    from_pin: Optional[Pin]
-    via_port: Wire
-    to_name: Optional[Designator]
-    to_pin: Optional[Pin]
-
-
-@dataclass
-class MatePin:
-    from_name: Designator
-    from_pin: Pin
-    to_name: Designator
-    to_pin: Pin
-    shape: str
-
-
-@dataclass
-class MateComponent:
-    from_name: Designator
-    to_name: Designator
-    shape: str

src/wireviz/Harness.py

@@ -1,706 +0,0 @@
-# -*- coding: utf-8 -*-
-
-import re
-from collections import Counter
-from dataclasses import dataclass
-from itertools import zip_longest
-from pathlib import Path
-from typing import Any, List, Union
-
-from graphviz import Graph
-
-from wireviz import APP_NAME, APP_URL, __version__, wv_colors
-from wireviz.DataClasses import (
-    Cable,
-    Connector,
-    MateComponent,
-    MatePin,
-    Metadata,
-    Options,
-    Tweak,
-    Side,
-)
-from wireviz.svgembed import embed_svg_images_file
-from wireviz.wv_bom import (
-    HEADER_MPN,
-    HEADER_PN,
-    HEADER_SPN,
-    bom_list,
-    component_table_entry,
-    generate_bom,
-    get_additional_component_table,
-    pn_info_string,
-)
-from wireviz.wv_colors import get_color_hex, translate_color
-from wireviz.wv_gv_html import (
-    html_bgcolor,
-    html_bgcolor_attr,
-    html_caption,
-    html_colorbar,
-    html_image,
-    html_line_breaks,
-    nested_html_table,
-    remove_links,
-)
-from wireviz.wv_helper import (
-    awg_equiv,
-    flatten2d,
-    is_arrow,
-    mm2_equiv,
-    open_file_read,
-    open_file_write,
-    tuplelist2tsv,
-)
-from wireviz.wv_html import generate_html_output
-
-
-@dataclass
-class Harness:
-    metadata: Metadata
-    options: Options
-    tweak: Tweak
-
-    def __post_init__(self):
-        self.connectors = {}
-        self.cables = {}
-        self.mates = []
-        self._bom = []  # Internal Cache for generated bom
-        self.additional_bom_items = []
-
-    def add_connector(self, name: str, *args, **kwargs) -> None:
-        self.connectors[name] = Connector(name, *args, **kwargs)
-
-    def add_cable(self, name: str, *args, **kwargs) -> None:
-        self.cables[name] = Cable(name, *args, **kwargs)
-
-    def add_mate_pin(self, from_name, from_pin, to_name, to_pin, arrow_type) -> None:
-        self.mates.append(MatePin(from_name, from_pin, to_name, to_pin, arrow_type))
-        self.connectors[from_name].activate_pin(from_pin, Side.RIGHT)
-        self.connectors[to_name].activate_pin(to_pin, Side.LEFT)
-
-    def add_mate_component(self, from_name, to_name, arrow_type) -> None:
-        self.mates.append(MateComponent(from_name, to_name, arrow_type))
-
-    def add_bom_item(self, item: dict) -> None:
-        self.additional_bom_items.append(item)
-
-    def connect(
-        self,
-        from_name: str,
-        from_pin: (int, str),
-        via_name: str,
-        via_wire: (int, str),
-        to_name: str,
-        to_pin: (int, str),
-    ) -> None:
-        # check from and to connectors
-        for (name, pin) in zip([from_name, to_name], [from_pin, to_pin]):
-            if name is not None and name in self.connectors:
-                connector = self.connectors[name]
-                # check if provided name is ambiguous
-                if pin in connector.pins and pin in connector.pinlabels:
-                    if connector.pins.index(pin) != connector.pinlabels.index(pin):
-                        raise Exception(
-                            f"{name}:{pin} is defined both in pinlabels and pins, for different pins."
-                        )
-                    # TODO: Maybe issue a warning if present in both lists but referencing the same pin?
-                if pin in connector.pinlabels:
-                    if connector.pinlabels.count(pin) > 1:
-                        raise Exception(f"{name}:{pin} is defined more than once.")
-                    index = connector.pinlabels.index(pin)
-                    pin = connector.pins[index]  # map pin name to pin number
-                    if name == from_name:
-                        from_pin = pin
-                    if name == to_name:
-                        to_pin = pin
-                if not pin in connector.pins:
-                    raise Exception(f"{name}:{pin} not found.")
-
-        # check via cable
-        if via_name in self.cables:
-            cable = self.cables[via_name]
-            # check if provided name is ambiguous
-            if via_wire in cable.colors and via_wire in cable.wirelabels:
-                if cable.colors.index(via_wire) != cable.wirelabels.index(via_wire):
-                    raise Exception(
-                        f"{via_name}:{via_wire} is defined both in colors and wirelabels, for different wires."
-                    )
-                # TODO: Maybe issue a warning if present in both lists but referencing the same wire?
-            if via_wire in cable.colors:
-                if cable.colors.count(via_wire) > 1:
-                    raise Exception(
-                        f"{via_name}:{via_wire} is used for more than one wire."
-                    )
-                # list index starts at 0, wire IDs start at 1
-                via_wire = cable.colors.index(via_wire) + 1
-            elif via_wire in cable.wirelabels:
-                if cable.wirelabels.count(via_wire) > 1:
-                    raise Exception(
-                        f"{via_name}:{via_wire} is used for more than one wire."
-                    )
-                via_wire = (
-                    cable.wirelabels.index(via_wire) + 1
-                )  # list index starts at 0, wire IDs start at 1
-
-        # perform the actual connection
-        self.cables[via_name].connect(from_name, from_pin, via_wire, to_name, to_pin)
-        if from_name in self.connectors:
-            self.connectors[from_name].activate_pin(from_pin, Side.RIGHT)
-        if to_name in self.connectors:
-            self.connectors[to_name].activate_pin(to_pin, Side.LEFT)
-
-    def create_graph(self) -> Graph:
-        dot = Graph()
-        dot.body.append(f"// Graph generated by {APP_NAME} {__version__}\n")
-        dot.body.append(f"// {APP_URL}\n")
-        dot.attr(
-            "graph",
-            rankdir="LR",
-            ranksep="2",
-            bgcolor=wv_colors.translate_color(self.options.bgcolor, "HEX"),
-            nodesep="0.33",
-            fontname=self.options.fontname,
-        )
-        dot.attr(
-            "node",
-            shape="none",
-            width="0",
-            height="0",
-            margin="0",  # Actual size of the node is entirely determined by the label.
-            style="filled",
-            fillcolor=wv_colors.translate_color(self.options.bgcolor_node, "HEX"),
-            fontname=self.options.fontname,
-        )
-        dot.attr("edge", style="bold", fontname=self.options.fontname)
-
-        for connector in self.connectors.values():
-
-            # If no wires connected (except maybe loop wires)?
-            if not (connector.ports_left or connector.ports_right):
-                connector.ports_left = True  # Use left side pins.
-
-            html = []
-            # fmt: off
-            rows = [[f'{html_bgcolor(connector.bgcolor_title)}{remove_links(connector.name)}'
-                        if connector.show_name else None],
-                    [pn_info_string(HEADER_PN, None, remove_links(connector.pn)),
-                     html_line_breaks(pn_info_string(HEADER_MPN, connector.manufacturer, connector.mpn)),
-                     html_line_breaks(pn_info_string(HEADER_SPN, connector.supplier, connector.spn))],
-                    [html_line_breaks(connector.type),
-                     html_line_breaks(connector.subtype),
-                     f'{connector.pincount}-pin' if connector.show_pincount else None,
-                     translate_color(connector.color, self.options.color_mode) if connector.color else None,
-                     html_colorbar(connector.color)],
-                    '<!-- connector table -->' if connector.style != 'simple' else None,
-                    [html_image(connector.image)],
-                    [html_caption(connector.image)]]
-            # fmt: on
-
-            rows.extend(get_additional_component_table(self, connector))
-            rows.append([html_line_breaks(connector.notes)])
-            html.extend(nested_html_table(rows, html_bgcolor_attr(connector.bgcolor)))
-
-            if connector.style != "simple":
-                pinhtml = []
-                pinhtml.append(
-                    '<table border="0" cellspacing="0" cellpadding="3" cellborder="1">'
-                )
-
-                for pinindex, (pinname, pinlabel, pincolor) in enumerate(
-                    zip_longest(
-                        connector.pins, connector.pinlabels, connector.pincolors
-                    )
-                ):
-                    if (
-                        connector.hide_disconnected_pins
-                        and not connector.visible_pins.get(pinname, False)
-                    ):
-                        continue
-
-                    pinhtml.append("   <tr>")
-                    if connector.ports_left:
-                        pinhtml.append(f'    <td port="p{pinindex+1}l">{pinname}</td>')
-                    if pinlabel:
-                        pinhtml.append(f"    <td>{pinlabel}</td>")
-                    if connector.pincolors:
-                        if pincolor in wv_colors._color_hex.keys():
-                            # fmt: off
-                            pinhtml.append(f'    <td sides="tbl">{translate_color(pincolor, self.options.color_mode)}</td>')
-                            pinhtml.append( '    <td sides="tbr">')
-                            pinhtml.append( '     <table border="0" cellborder="1"><tr>')
-                            pinhtml.append(f'      <td bgcolor="{wv_colors.translate_color(pincolor, "HEX")}" width="8" height="8" fixedsize="true"></td>')
-                            pinhtml.append( '     </tr></table>')
-                            pinhtml.append( '    </td>')
-                            # fmt: on
-                        else:
-                            pinhtml.append('    <td colspan="2"></td>')
-
-                    if connector.ports_right:
-                        pinhtml.append(f'    <td port="p{pinindex+1}r">{pinname}</td>')
-                    pinhtml.append("   </tr>")
-
-                pinhtml.append("  </table>")
-
-                html = [
-                    row.replace("<!-- connector table -->", "\n".join(pinhtml))
-                    for row in html
-                ]
-
-            html = "\n".join(html)
-            dot.node(
-                connector.name,
-                label=f"<\n{html}\n>",
-                shape="box",
-                style="filled",
-                fillcolor=translate_color(self.options.bgcolor_connector, "HEX"),
-            )
-
-            if len(connector.loops) > 0:
-                dot.attr("edge", color="#000000:#ffffff:#000000")
-                if connector.ports_left:
-                    loop_side = "l"
-                    loop_dir = "w"
-                elif connector.ports_right:
-                    loop_side = "r"
-                    loop_dir = "e"
-                else:
-                    raise Exception("No side for loops")
-                for loop in connector.loops:
-                    dot.edge(
-                        f"{connector.name}:p{loop[0]}{loop_side}:{loop_dir}",
-                        f"{connector.name}:p{loop[1]}{loop_side}:{loop_dir}",
-                    )
-
-        # determine if there are double- or triple-colored wires in the harness;
-        # if so, pad single-color wires to make all wires of equal thickness
-        pad = any(
-            len(colorstr) > 2
-            for cable in self.cables.values()
-            for colorstr in cable.colors
-        )
-
-        for cable in self.cables.values():
-
-            html = []
-
-            awg_fmt = ""
-            if cable.show_equiv:
-                # Only convert units we actually know about, i.e. currently
-                # mm2 and awg --- other units _are_ technically allowed,
-                # and passed through as-is.
-                if cable.gauge_unit == "mm\u00B2":
-                    awg_fmt = f" ({awg_equiv(cable.gauge)} AWG)"
-                elif cable.gauge_unit.upper() == "AWG":
-                    awg_fmt = f" ({mm2_equiv(cable.gauge)} mm\u00B2)"
-
-            # fmt: off
-            rows = [[f'{html_bgcolor(cable.bgcolor_title)}{remove_links(cable.name)}'
-                        if cable.show_name else None],
-                    [pn_info_string(HEADER_PN, None,
-                        remove_links(cable.pn)) if not isinstance(cable.pn, list) else None,
-                     html_line_breaks(pn_info_string(HEADER_MPN,
-                        cable.manufacturer if not isinstance(cable.manufacturer, list) else None,
-                        cable.mpn if not isinstance(cable.mpn, list) else None)),
-                     html_line_breaks(pn_info_string(HEADER_SPN,
-                        cable.supplier if not isinstance(cable.supplier, list) else None,
-                        cable.spn if not isinstance(cable.spn, list) else None))],
-                    [html_line_breaks(cable.type),
-                     f'{cable.wirecount}x' if cable.show_wirecount else None,
-                     f'{cable.gauge} {cable.gauge_unit}{awg_fmt}' if cable.gauge else None,
-                     '+ S' if cable.shield else None,
-                     f'{cable.length} {cable.length_unit}' if cable.length > 0 else None,
-                     translate_color(cable.color, self.options.color_mode) if cable.color else None,
-                     html_colorbar(cable.color)],
-                    '<!-- wire table -->',
-                    [html_image(cable.image)],
-                    [html_caption(cable.image)]]
-            # fmt: on
-
-            rows.extend(get_additional_component_table(self, cable))
-            rows.append([html_line_breaks(cable.notes)])
-            html.extend(nested_html_table(rows, html_bgcolor_attr(cable.bgcolor)))
-
-            wirehtml = []
-            # conductor table
-            wirehtml.append('<table border="0" cellspacing="0" cellborder="0">')
-            wirehtml.append("   <tr><td>&nbsp;</td></tr>")
-
-            for i, (connection_color, wirelabel) in enumerate(
-                zip_longest(cable.colors, cable.wirelabels), 1
-            ):
-                wirehtml.append("   <tr>")
-                wirehtml.append(f"    <td><!-- {i}_in --></td>")
-                wirehtml.append(f"    <td>")
-
-                wireinfo = []
-                if cable.show_wirenumbers:
-                    wireinfo.append(str(i))
-                colorstr = wv_colors.translate_color(
-                    connection_color, self.options.color_mode
-                )
-                if colorstr:
-                    wireinfo.append(colorstr)
-                if cable.wirelabels:
-                    wireinfo.append(wirelabel if wirelabel is not None else "")
-                wirehtml.append(f'     {":".join(wireinfo)}')
-
-                wirehtml.append(f"    </td>")
-                wirehtml.append(f"    <td><!-- {i}_out --></td>")
-                wirehtml.append("   </tr>")
-
-                # fmt: off
-                bgcolors = ['#000000'] + get_color_hex(connection_color, pad=pad) + ['#000000']
-                wirehtml.append(f"   <tr>")
-                wirehtml.append(f'    <td colspan="3" border="0" cellspacing="0" cellpadding="0" port="w{i}" height="{(2 * len(bgcolors))}">')
-                wirehtml.append('     <table cellspacing="0" cellborder="0" border="0">')
-                for j, bgcolor in enumerate(bgcolors[::-1]):  # Reverse to match the curved wires when more than 2 colors
-                    wirehtml.append(f'      <tr><td colspan="3" cellpadding="0" height="2" bgcolor="{bgcolor if bgcolor != "" else wv_colors.default_color}" border="0"></td></tr>')
-                wirehtml.append("     </table>")
-                wirehtml.append("    </td>")
-                wirehtml.append("   </tr>")
-                # fmt: on
-
-                # for bundles, individual wires can have part information
-                if cable.category == "bundle":
-                    # create a list of wire parameters
-                    wireidentification = []
-                    if isinstance(cable.pn, list):
-                        wireidentification.append(
-                            pn_info_string(
-                                HEADER_PN, None, remove_links(cable.pn[i - 1])
-                            )
-                        )
-                    manufacturer_info = pn_info_string(
-                        HEADER_MPN,
-                        cable.manufacturer[i - 1]
-                        if isinstance(cable.manufacturer, list)
-                        else None,
-                        cable.mpn[i - 1] if isinstance(cable.mpn, list) else None,
-                    )
-                    supplier_info = pn_info_string(
-                        HEADER_SPN,
-                        cable.supplier[i - 1]
-                        if isinstance(cable.supplier, list)
-                        else None,
-                        cable.spn[i - 1] if isinstance(cable.spn, list) else None,
-                    )
-                    if manufacturer_info:
-                        wireidentification.append(html_line_breaks(manufacturer_info))
-                    if supplier_info:
-                        wireidentification.append(html_line_breaks(supplier_info))
-                    # print parameters into a table row under the wire
-                    if len(wireidentification) > 0:
-                        # fmt: off
-                        wirehtml.append('   <tr><td colspan="3">')
-                        wirehtml.append('    <table border="0" cellspacing="0" cellborder="0"><tr>')
-                        for attrib in wireidentification:
-                            wirehtml.append(f"     <td>{attrib}</td>")
-                        wirehtml.append("    </tr></table>")
-                        wirehtml.append("   </td></tr>")
-                        # fmt: on
-
-            if cable.shield:
-                wirehtml.append("   <tr><td>&nbsp;</td></tr>")  # spacer
-                wirehtml.append("   <tr>")
-                wirehtml.append("    <td><!-- s_in --></td>")
-                wirehtml.append("    <td>Shield</td>")
-                wirehtml.append("    <td><!-- s_out --></td>")
-                wirehtml.append("   </tr>")
-                if isinstance(cable.shield, str):
-                    # shield is shown with specified color and black borders
-                    shield_color_hex = wv_colors.get_color_hex(cable.shield)[0]
-                    attributes = (
-                        f'height="6" bgcolor="{shield_color_hex}" border="2" sides="tb"'
-                    )
-                else:
-                    # shield is shown as a thin black wire
-                    attributes = f'height="2" bgcolor="#000000" border="0"'
-                # fmt: off
-                wirehtml.append(f'   <tr><td colspan="3" cellpadding="0" {attributes} port="ws"></td></tr>')
-                # fmt: on
-
-            wirehtml.append("   <tr><td>&nbsp;</td></tr>")
-            wirehtml.append("  </table>")
-
-            html = [
-                row.replace("<!-- wire table -->", "\n".join(wirehtml)) for row in html
-            ]
-
-            # connections
-            for connection in cable.connections:
-                if isinstance(connection.via_port, int):
-                    # check if it's an actual wire and not a shield
-                    dot.attr(
-                        "edge",
-                        color=":".join(
-                            ["#000000"]
-                            + wv_colors.get_color_hex(
-                                cable.colors[connection.via_port - 1], pad=pad
-                            )
-                            + ["#000000"]
-                        ),
-                    )
-                else:  # it's a shield connection
-                    # shield is shown with specified color and black borders, or as a thin black wire otherwise
-                    dot.attr(
-                        "edge",
-                        color=":".join(["#000000", shield_color_hex, "#000000"])
-                        if isinstance(cable.shield, str)
-                        else "#000000",
-                    )
-                if connection.from_pin is not None:  # connect to left
-                    from_connector = self.connectors[connection.from_name]
-                    from_pin_index = from_connector.pins.index(connection.from_pin)
-                    from_port_str = (
-                        f":p{from_pin_index+1}r"
-                        if from_connector.style != "simple"
-                        else ""
-                    )
-                    code_left_1 = f"{connection.from_name}{from_port_str}:e"
-                    code_left_2 = f"{cable.name}:w{connection.via_port}:w"
-                    dot.edge(code_left_1, code_left_2)
-                    if from_connector.show_name:
-                        from_info = [
-                            str(connection.from_name),
-                            str(connection.from_pin),
-                        ]
-                        if from_connector.pinlabels:
-                            pinlabel = from_connector.pinlabels[from_pin_index]
-                            if pinlabel != "":
-                                from_info.append(pinlabel)
-                        from_string = ":".join(from_info)
-                    else:
-                        from_string = ""
-                    html = [
-                        row.replace(f"<!-- {connection.via_port}_in -->", from_string)
-                        for row in html
-                    ]
-                if connection.to_pin is not None:  # connect to right
-                    to_connector = self.connectors[connection.to_name]
-                    to_pin_index = to_connector.pins.index(connection.to_pin)
-                    to_port_str = (
-                        f":p{to_pin_index+1}l" if to_connector.style != "simple" else ""
-                    )
-                    code_right_1 = f"{cable.name}:w{connection.via_port}:e"
-                    code_right_2 = f"{connection.to_name}{to_port_str}:w"
-                    dot.edge(code_right_1, code_right_2)
-                    if to_connector.show_name:
-                        to_info = [str(connection.to_name), str(connection.to_pin)]
-                        if to_connector.pinlabels:
-                            pinlabel = to_connector.pinlabels[to_pin_index]
-                            if pinlabel != "":
-                                to_info.append(pinlabel)
-                        to_string = ":".join(to_info)
-                    else:
-                        to_string = ""
-                    html = [
-                        row.replace(f"<!-- {connection.via_port}_out -->", to_string)
-                        for row in html
-                    ]
-
-            style, bgcolor = (
-                ("filled,dashed", self.options.bgcolor_bundle)
-                if cable.category == "bundle"
-                else ("filled", self.options.bgcolor_cable)
-            )
-            html = "\n".join(html)
-            dot.node(
-                cable.name,
-                label=f"<\n{html}\n>",
-                shape="box",
-                style=style,
-                fillcolor=translate_color(bgcolor, "HEX"),
-            )
-
-        def typecheck(name: str, value: Any, expect: type) -> None:
-            if not isinstance(value, expect):
-                raise Exception(
-                    f"Unexpected value type of {name}: Expected {expect}, got {type(value)}\n{value}"
-                )
-
-        # TODO?: Differ between override attributes and HTML?
-        if self.tweak.override is not None:
-            typecheck("tweak.override", self.tweak.override, dict)
-            for k, d in self.tweak.override.items():
-                typecheck(f"tweak.override.{k} key", k, str)
-                typecheck(f"tweak.override.{k} value", d, dict)
-                for a, v in d.items():
-                    typecheck(f"tweak.override.{k}.{a} key", a, str)
-                    typecheck(f"tweak.override.{k}.{a} value", v, (str, type(None)))
-
-            # Override generated attributes of selected entries matching tweak.override.
-            for i, entry in enumerate(dot.body):
-                if isinstance(entry, str):
-                    # Find a possibly quoted keyword after leading TAB(s) and followed by [ ].
-                    match = re.match(
-                        r'^\t*(")?((?(1)[^"]|[^ "])+)(?(1)") \[.*\]$', entry, re.S
-                    )
-                    keyword = match and match[2]
-                    if keyword in self.tweak.override.keys():
-                        for attr, value in self.tweak.override[keyword].items():
-                            if value is None:
-                                entry, n_subs = re.subn(
-                                    f'( +)?{attr}=("[^"]*"|[^] ]*)(?(1)| *)', "", entry
-                                )
-                                if n_subs < 1:
-                                    print(
-                                        f"Harness.create_graph() warning: {attr} not found in {keyword}!"
-                                    )
-                                elif n_subs > 1:
-                                    print(
-                                        f"Harness.create_graph() warning: {attr} removed {n_subs} times in {keyword}!"
-                                    )
-                                continue
-
-                            if len(value) == 0 or " " in value:
-                                value = value.replace('"', r"\"")
-                                value = f'"{value}"'
-                            entry, n_subs = re.subn(
-                                f'{attr}=("[^"]*"|[^] ]*)', f"{attr}={value}", entry
-                            )
-                            if n_subs < 1:
-                                # If attr not found, then append it
-                                entry = re.sub(r"\]$", f" {attr}={value}]", entry)
-                            elif n_subs > 1:
-                                print(
-                                    f"Harness.create_graph() warning: {attr} overridden {n_subs} times in {keyword}!"
-                                )
-
-                        dot.body[i] = entry
-
-        if self.tweak.append is not None:
-            if isinstance(self.tweak.append, list):
-                for i, element in enumerate(self.tweak.append, 1):
-                    typecheck(f"tweak.append[{i}]", element, str)
-                dot.body.extend(self.tweak.append)
-            else:
-                typecheck("tweak.append", self.tweak.append, str)
-                dot.body.append(self.tweak.append)
-
-        for mate in self.mates:
-            if mate.shape[0] == "<" and mate.shape[-1] == ">":
-                dir = "both"
-            elif mate.shape[0] == "<":
-                dir = "back"
-            elif mate.shape[-1] == ">":
-                dir = "forward"
-            else:
-                dir = "none"
-
-            if isinstance(mate, MatePin):
-                color = "#000000"
-            elif isinstance(mate, MateComponent):
-                color = "#000000:#000000"
-            else:
-                raise Exception(f"{mate} is an unknown mate")
-
-            from_connector = self.connectors[mate.from_name]
-            if (
-                isinstance(mate, MatePin)
-                and self.connectors[mate.from_name].style != "simple"
-            ):
-                from_pin_index = from_connector.pins.index(mate.from_pin)
-                from_port_str = f":p{from_pin_index+1}r"
-            else:  # MateComponent or style == 'simple'
-                from_port_str = ""
-            if (
-                isinstance(mate, MatePin)
-                and self.connectors[mate.to_name].style != "simple"
-            ):
-                to_pin_index = to_connector.pins.index(mate.to_pin)
-                to_port_str = (
-                    f":p{to_pin_index+1}l"
-                    if isinstance(mate, MatePin)
-                    and self.connectors[mate.to_name].style != "simple"
-                    else ""
-                )
-            else:  # MateComponent or style == 'simple'
-                to_port_str = ""
-            code_from = f"{mate.from_name}{from_port_str}:e"
-            to_connector = self.connectors[mate.to_name]
-            code_to = f"{mate.to_name}{to_port_str}:w"
-
-            dot.attr("edge", color=color, style="dashed", dir=dir)
-            dot.edge(code_from, code_to)
-
-        return dot
-
-    # cache for the GraphViz Graph object
-    # do not access directly, use self.graph instead
-    _graph = None
-
-    @property
-    def graph(self):
-        if not self._graph:  # no cached graph exists, generate one
-            self._graph = self.create_graph()
-        return self._graph  # return cached graph
-
-    @property
-    def png(self):
-        from io import BytesIO
-
-        graph = self.graph
-        data = BytesIO()
-        data.write(graph.pipe(format="png"))
-        data.seek(0)
-        return data.read()
-
-    @property
-    def svg(self):
-        graph = self.graph
-        return embed_svg_images(graph.pipe(format="svg").decode("utf-8"), Path.cwd())
-
-
-    def output(
-        self,
-        filename: (str, Path),
-        view: bool = False,
-        cleanup: bool = True,
-        fmt: tuple = ("html", "png", "svg", "tsv"),
-    ) -> None:
-        # graphical output
-        graph = self.graph
-        svg_already_exists = Path(
-            f"{filename}.svg"
-        ).exists()  # if SVG already exists, do not delete later
-        # graphical output
-        for f in fmt:
-            if f in ("png", "svg", "html"):
-                if f == "html":  # if HTML format is specified,
-                    f = "svg"  # generate SVG for embedding into HTML
-                # SVG file will be renamed/deleted later
-                _filename = f"{filename}.tmp" if f == "svg" else filename
-                # TODO: prevent rendering SVG twice when both SVG and HTML are specified
-                graph.format = f
-                graph.render(filename=_filename, view=view, cleanup=cleanup)
-        # embed images into SVG output
-        if "svg" in fmt or "html" in fmt:
-            embed_svg_images_file(f"{filename}.tmp.svg")
-        # GraphViz output
-        if "gv" in fmt:
-            graph.save(filename=f"{filename}.gv")
-        # BOM output
-        bomlist = bom_list(self.bom())
-        if "tsv" in fmt:
-            open_file_write(f"{filename}.bom.tsv").write(tuplelist2tsv(bomlist))
-        if "csv" in fmt:
-            # TODO: implement CSV output (preferrably using CSV library)
-            print("CSV output is not yet supported")
-        # HTML output
-        if "html" in fmt:
-            generate_html_output(filename, bomlist, self.metadata, self.options)
-        # PDF output
-        if "pdf" in fmt:
-            # TODO: implement PDF output
-            print("PDF output is not yet supported")
-        # delete SVG if not needed
-        if "html" in fmt and not "svg" in fmt:
-            # SVG file was just needed to generate HTML
-            Path(f"{filename}.tmp.svg").unlink()
-        elif "svg" in fmt:
-            Path(f"{filename}.tmp.svg").replace(f"{filename}.svg")
-
-    def bom(self):
-        if not self._bom:
-            self._bom = generate_bom(self)
-        return self._bom

src/wireviz/__init__.py

@@ -1,7 +1,7 @@
 # -*- coding: utf-8 -*-
 # Please don't import anything in this file to avoid issues when it is imported in setup.py
 
-__version__ = "0.4-dev"
+__version__ = "0.4-dev251"
 
 CMD_NAME = "wireviz"  # Lower case command and module name
 APP_NAME = "WireViz"  # Application name in texts meant to be human readable

src/wireviz/svgembed.py

@@ -1,52 +0,0 @@
-# -*- coding: utf-8 -*-
-
-import base64
-import re
-from pathlib import Path
-from typing import Union
-
-mime_subtype_replacements = {"jpg": "jpeg", "tif": "tiff"}
-
-
-def embed_svg_images(svg_in: str, base_path: Union[str, Path] = Path.cwd()) -> str:
-    images_b64 = {}  # cache of base64-encoded images
-
-    def image_tag(pre: str, url: str, post: str) -> str:
-        return f'<image{pre} xlink:href="{url}"{post}>'
-
-    def replace(match: re.Match) -> str:
-        imgurl = match["URL"]
-        if not imgurl in images_b64:  # only encode/cache every unique URL once
-            imgurl_abs = (Path(base_path) / imgurl).resolve()
-            image = imgurl_abs.read_bytes()
-            images_b64[imgurl] = base64.b64encode(image).decode("utf-8")
-        return image_tag(
-            match["PRE"] or "",
-            f"data:image/{get_mime_subtype(imgurl)};base64, {images_b64[imgurl]}",
-            match["POST"] or "",
-        )
-
-    pattern = re.compile(
-        image_tag(r"(?P<PRE> [^>]*?)?", r'(?P<URL>[^"]*?)', r"(?P<POST> [^>]*?)?"),
-        re.IGNORECASE,
-    )
-    return pattern.sub(replace, svg_in)
-
-
-def get_mime_subtype(filename: Union[str, Path]) -> str:
-    mime_subtype = Path(filename).suffix.lstrip(".").lower()
-    if mime_subtype in mime_subtype_replacements:
-        mime_subtype = mime_subtype_replacements[mime_subtype]
-    return mime_subtype
-
-
-def embed_svg_images_file(
-    filename_in: Union[str, Path], overwrite: bool = True
-) -> None:
-    filename_in = Path(filename_in).resolve()
-    filename_out = filename_in.with_suffix(".b64.svg")
-    filename_out.write_text(
-        embed_svg_images(filename_in.read_text(), filename_in.parent)
-    )
-    if overwrite:
-        filename_out.replace(filename_in)

src/wireviz/tools/build_examples.py

@@ -7,13 +7,12 @@ import sys
 from pathlib import Path
 
 script_path = Path(__file__).absolute()
-
+sys.path.insert(0, str(script_path.parent.parent.parent))  # to find wireviz module
-sys.path.insert(0, str(script_path.parent.parent))  # to find wireviz module
-from wv_helper import open_file_append, open_file_read, open_file_write
 
 from wireviz import APP_NAME, __version__, wireviz
+from wireviz.wv_utils import open_file_append, open_file_read, open_file_write
 
-dir = script_path.parent.parent.parent
+dir = script_path.parent.parent.parent.parent
 readme = "readme.md"
 groups = {
     "examples": {
@@ -32,10 +31,11 @@ groups = {
         "path": dir / "examples",
         "prefix": "demo",
     },
+    **{p.stem: {"path": p} for p in (dir / "tests").glob("**")},
 }
 
 input_extensions = [".yml"]
-extensions_not_containing_graphviz_output = [".gv", ".bom.tsv"]
+extensions_not_containing_graphviz_output = [".gv", ".tsv"]
 extensions_containing_graphviz_output = [".png", ".svg", ".html"]
 generated_extensions = (
     extensions_not_containing_graphviz_output + extensions_containing_graphviz_output
@@ -44,7 +44,7 @@ generated_extensions = (
 
 def collect_filenames(description, groupkey, ext_list):
     path = groups[groupkey]["path"]
-    patterns = [f"{groups[groupkey]['prefix']}*{ext}" for ext in ext_list]
+    patterns = [f"{groups[groupkey].get('prefix', '')}*{ext}" for ext in ext_list]
     if ext_list != input_extensions and readme in groups[groupkey]:
         patterns.append(readme)
     print(f'{description} {groupkey} in "{path}"')
@@ -88,7 +88,7 @@ def build_generated(groupkeys):
 
                     out.write(f"![]({yaml_file.stem}.png)\n\n")
                     out.write(
-                        f"[Source]({yaml_file.name}) - [Bill of Materials]({yaml_file.stem}.bom.tsv)\n\n\n"
+                        f"[Source]({yaml_file.name}) - [Bill of Materials]({yaml_file.stem}.tsv)\n\n\n"
                     )
 
 
@@ -98,7 +98,7 @@ def clean_generated(groupkeys):
         for filename in collect_filenames("Cleaning", key, generated_extensions):
             if filename.is_file():
                 print(f'  rm "{filename}"')
-                Path(filename).unlink()
+                filename.unlink()
 
 
 def compare_generated(groupkeys, branch="", include_graphviz_output=False):

src/wireviz/wireviz.py

@@ -10,9 +10,9 @@ import yaml
 if __name__ == "__main__":
     sys.path.insert(0, str(Path(__file__).parent.parent))  # add src/wireviz to PATH
 
-from wireviz.DataClasses import Metadata, Options, Tweak
+from wireviz.wv_dataclasses import AUTOGENERATED_PREFIX, Metadata, Options, Tweak
-from wireviz.Harness import Harness
+from wireviz.wv_harness import Harness
-from wireviz.wv_helper import (
+from wireviz.wv_utils import (
     expand,
     get_single_key_and_value,
     is_arrow,
@@ -34,7 +34,7 @@ def parse(
     and outputs the result as one or more files and/or as a function return value
 
     Accepted inputs:
-        * A path to a YAML source file to parse
+        * A Path object or a path-like string pointing to a YAML source file to parse
         * A string containing the YAML data to parse
         * A Python Dict containing the pre-parsed YAML data
 
@@ -93,7 +93,8 @@ def parse(
         output_file = output_dir / output_name
 
     if yaml_file:
-        # if reading from file, ensure that input file's parent directory is included in image_paths
+        # if reading from file, ensure that input file's parent directory
+        # is included in image_paths
         default_image_path = yaml_file.parent.resolve()
         if not default_image_path in [Path(x).resolve() for x in image_paths]:
             image_paths.append(default_image_path)
@@ -128,7 +129,8 @@ def parse(
             if len(yaml_data[sec]) > 0:  # section has contents
                 if ty == dict:
                     for key, attribs in yaml_data[sec].items():
-                        # The Image dataclass might need to open an image file with a relative path.
+                        # The Image dataclass might need to open
+                        # an image file with a relative path.
                         image = attribs.get("image")
                         if isinstance(image, dict):
                             image_path = image["src"]
@@ -164,12 +166,16 @@ def parse(
                 autogenerated_designators[template] = (
                     autogenerated_designators.get(template, 0) + 1
                 )
-                designator = f"__{template}_{autogenerated_designators[template]}"
+                designator = (
+                    f"{AUTOGENERATED_PREFIX}"
+                    f"{template}_{autogenerated_designators[template]}"
+                )
             # check if redefining existing component to different template
             if designator in designators_and_templates:
                 if designators_and_templates[designator] != template:
                     raise Exception(
-                        f"Trying to redefine {designator} from {designators_and_templates[designator]} to {template}"
+                        f"Trying to redefine {designator}"
+                        f" from {designators_and_templates[designator]} to {template}"
                     )
             else:
                 designators_and_templates[designator] = template
@@ -201,7 +207,6 @@ def parse(
         expected_type = alternating_types[1 - alternating_types.index(expected_type)]
 
     for connection_set in connection_sets:
-
         # figure out number of parallel connections within this set
         connectioncount = []
         for entry in connection_set:
@@ -282,7 +287,7 @@ def parse(
                     # generate new connector instance from template
                     check_type(designator, template, "connector")
                     harness.add_connector(
-                        name=designator, **template_connectors[template]
+                        designator=designator, **template_connectors[template]
                     )
 
                 elif designator in harness.cables:  # existing cable instance
@@ -290,7 +295,9 @@ def parse(
                 elif template in template_cables.keys():
                     # generate new cable instance from template
                     check_type(designator, template, "cable/arrow")
-                    harness.add_cable(name=designator, **template_cables[template])
+                    harness.add_cable(
+                        designator=designator, **template_cables[template]
+                    )
 
                 elif is_arrow(designator):
                     check_type(designator, template, "cable/arrow")
@@ -300,7 +307,8 @@ def parse(
                         f"{template} is an unknown template/designator/arrow."
                     )
 
-            alternate_type()  # entries in connection set must alternate between connectors and cables/arrows
+            # entries in connection set must alternate between connectors and cables/arrows
+            alternate_type()
 
         # transpose connection set list
         # before: one item per component, one subitem per connection in set
@@ -355,11 +363,13 @@ def parse(
                         # mate two connectors as a whole
                         harness.add_mate_component(from_name, to_name, designator)
 
-    # harness population completed =============================================
-
     if "additional_bom_items" in yaml_data:
         for line in yaml_data["additional_bom_items"]:
-            harness.add_bom_item(line)
+            harness.add_additional_bom_item(line)
+
+    # harness population completed =============================================
+
+    harness.populate_bom()
 
     if output_formats:
         harness.output(filename=output_file, fmt=output_formats, view=False)
@@ -382,23 +392,15 @@ def parse(
         return tuple(returns) if len(returns) != 1 else returns[0]
 
 
-def _get_yaml_data_and_path(inp: Union[str, Path, Dict]) -> (Dict, Path):
+def _get_yaml_data_and_path(inp: Union[str, Path, Dict]) -> Tuple[Dict, Path]:
     # determine whether inp is a file path, a YAML string, or a Dict
     if not isinstance(inp, Dict):  # received a str or a Path
-        try:
+        if isinstance(inp, Path) or (isinstance(inp, str) and not "\n" in inp):
             yaml_path = Path(inp).expanduser().resolve(strict=True)
-            # if no FileNotFoundError exception happens, get file contents
             yaml_str = open_file_read(yaml_path).read()
-        except (FileNotFoundError, OSError) as e:
+        else:
-            # if inp is a long YAML string, Pathlib will raise OSError: [errno.ENAMETOOLONG]
-            # when trying to expand and resolve it as a path.
-            # Catch this error, but raise any others
-            from errno import ENAMETOOLONG
-            if type(e) is OSError and e.errno != ENAMETOOLONG:
-                raise e
-            # file does not exist; assume inp is a YAML string
-            yaml_str = inp
             yaml_path = None
+            yaml_str = inp
         yaml_data = yaml.safe_load(yaml_str)
     else:
         # received a Dict, use as-is

src/wireviz/wv_bom.py

@@ -1,266 +1,87 @@
 # -*- coding: utf-8 -*-
 
-from dataclasses import asdict
+from collections import namedtuple
-from itertools import groupby
+from dataclasses import dataclass
-from typing import Any, Dict, List, Optional, Tuple, Union
+from enum import Enum, IntEnum
+from typing import List, Optional, Union
 
-from wireviz.DataClasses import AdditionalComponent, Cable, Color, Connector
+import tabulate as tabulate_module
-from wireviz.wv_colors import translate_color
-from wireviz.wv_gv_html import html_bgcolor_attr, html_line_breaks
-from wireviz.wv_helper import clean_whitespace
 
-BOM_COLUMNS_ALWAYS = ("id", "description", "qty", "unit", "designators")
+from wireviz.wv_utils import html_line_breaks
-BOM_COLUMNS_OPTIONAL = ("pn", "manufacturer", "mpn", "supplier", "spn")
-BOM_COLUMNS_IN_KEY = ("description", "unit") + BOM_COLUMNS_OPTIONAL
 
-HEADER_PN = "P/N"
+BOM_HASH_FIELDS = "description qty_unit amount partnumbers"
-HEADER_MPN = "MPN"
-HEADER_SPN = "SPN"
-
-BOMKey = Tuple[str, ...]
-BOMColumn = str  # = Literal[*BOM_COLUMNS_ALWAYS, *BOM_COLUMNS_OPTIONAL]
-BOMEntry = Dict[BOMColumn, Union[str, int, float, List[str], None]]
 
 
-def optional_fields(part: Union[Connector, Cable, AdditionalComponent]) -> BOMEntry:
+BomEntry = namedtuple("BomEntry", "category qty designators")
-    """Return part field values for the optional BOM columns as a dict."""
+BomHash = namedtuple("BomHash", BOM_HASH_FIELDS)
-    part = asdict(part)
+BomHashList = namedtuple("BomHashList", BOM_HASH_FIELDS)
-    return {field: part.get(field) for field in BOM_COLUMNS_OPTIONAL}
+PartNumberInfo = namedtuple("PartNumberInfo", "pn manufacturer mpn supplier spn")
+
+# TODO: different BOM modes
+# BomMode
+# "normal"  # no bubbles, full PN info in GV node
+# "bubbles"  # = "full" -> maximum info in GV node
+# "hide PN info"
+# "PN crossref" = "PN bubbles" + "hide PN info"
+# "additionally: BOM table in GV graph label (#227)"
+# "title block in GV graph label"
 
 
-def get_additional_component_table(
+BomCategory = IntEnum(  # to enforce ordering in BOM
-    harness: "Harness", component: Union[Connector, Cable]
+    "BomEntry", "CONNECTOR CABLE WIRE ADDITIONAL_INSIDE ADDITIONAL_OUTSIDE"
+)
+QtyMultiplierConnector = Enum(
+    "QtyMultiplierConnector", "PINCOUNT POPULATED CONNECTIONS"
+)
+QtyMultiplierCable = Enum(
+    "QtyMultiplierCable", "WIRECOUNT TERMINATION LENGTH TOTAL_LENGTH"
+)
+
+PART_NUMBER_HEADERS = PartNumberInfo(
+    pn="P/N", manufacturer=None, mpn="MPN", supplier=None, spn="SPN"
+)
+
+
+def partnumbers2list(
+    partnumbers: PartNumberInfo, parent_partnumbers: PartNumberInfo = None
 ) -> List[str]:
-    """Return a list of diagram node table row strings with additional components."""
+    if parent_partnumbers is None:
-    rows = []
+        _is_toplevel = True
-    if component.additional_components:
+        parent_partnumbers = partnumbers
-        rows.append(["Additional components"])
+    else:
-        for part in component.additional_components:
+        _is_toplevel = False
-            common_args = {
+
-                "qty": part.qty * component.get_qty_multiplier(part.qty_multiplier),
+    # Note: != operator used as XOR in the following section (https://stackoverflow.com/a/433161)
-                "unit": part.unit,
+
-                "bgcolor": part.bgcolor,
+    if _is_toplevel != isinstance(parent_partnumbers.pn, List):
-            }
+        # top level and not a list, or wire level and list
-            if harness.options.mini_bom_mode:
+        cell_pn = pn_info_string(PART_NUMBER_HEADERS.pn, None, partnumbers.pn)
-                id = get_bom_index(
+    else:
-                    harness.bom(),
+        # top level and list -> do per wire later
-                    bom_entry_key({**asdict(part), "description": part.description}),
+        # wire level and not list -> already done at top level
-                )
+        cell_pn = None
-                rows.append(
+
-                    component_table_entry(
+    if _is_toplevel != isinstance(parent_partnumbers.mpn, List):
-                        f"#{id} ({part.type.rstrip()})", **common_args
+        # TODO: edge case: different manufacturers, but same MPN?
-                    )
+        cell_mpn = pn_info_string(
+            PART_NUMBER_HEADERS.mpn, partnumbers.manufacturer, partnumbers.mpn
         )
     else:
-                rows.append(
+        cell_mpn = None
-                    component_table_entry(
-                        part.description, **common_args, **optional_fields(part)
-                    )
-                )
-    return rows
 
-
+    if _is_toplevel != isinstance(parent_partnumbers.spn, List):
-def get_additional_component_bom(component: Union[Connector, Cable]) -> List[BOMEntry]:
+        # TODO: edge case: different suppliers, but same SPN?
-    """Return a list of BOM entries with additional components."""
+        cell_spn = pn_info_string(
-    bom_entries = []
+            PART_NUMBER_HEADERS.spn, partnumbers.supplier, partnumbers.spn
-    for part in component.additional_components:
-        bom_entries.append(
-            {
-                "description": part.description,
-                "qty": part.qty * component.get_qty_multiplier(part.qty_multiplier),
-                "unit": part.unit,
-                "designators": component.name if component.show_name else None,
-                **optional_fields(part),
-            }
-        )
-    return bom_entries
-
-
-def bom_entry_key(entry: BOMEntry) -> BOMKey:
-    """Return a tuple of string values from the dict that must be equal to join BOM entries."""
-    if "key" not in entry:
-        entry["key"] = tuple(
-            clean_whitespace(make_str(entry.get(c))) for c in BOM_COLUMNS_IN_KEY
-        )
-    return entry["key"]
-
-
-def generate_bom(harness: "Harness") -> List[BOMEntry]:
-    """Return a list of BOM entries generated from the harness."""
-    from wireviz.Harness import Harness  # Local import to avoid circular imports
-
-    bom_entries = []
-    # connectors
-    for connector in harness.connectors.values():
-        if not connector.ignore_in_bom:
-            description = (
-                "Connector"
-                + (f", {connector.type}" if connector.type else "")
-                + (f", {connector.subtype}" if connector.subtype else "")
-                + (f", {connector.pincount} pins" if connector.show_pincount else "")
-                + (
-                    f", {translate_color(connector.color, harness.options.color_mode)}"
-                    if connector.color
-                    else ""
-                )
-            )
-            bom_entries.append(
-                {
-                    "description": description,
-                    "designators": connector.name if connector.show_name else None,
-                    **optional_fields(connector),
-                }
-            )
-
-        # add connectors aditional components to bom
-        bom_entries.extend(get_additional_component_bom(connector))
-
-    # cables
-    # TODO: If category can have other non-empty values than 'bundle', maybe it should be part of description?
-    for cable in harness.cables.values():
-        if not cable.ignore_in_bom:
-            if cable.category != "bundle":
-                # process cable as a single entity
-                description = (
-                    "Cable"
-                    + (f", {cable.type}" if cable.type else "")
-                    + (f", {cable.wirecount}")
-                    + (
-                        f" x {cable.gauge} {cable.gauge_unit}"
-                        if cable.gauge
-                        else " wires"
-                    )
-                    + (" shielded" if cable.shield else "")
-                    + (
-                        f", {translate_color(cable.color, harness.options.color_mode)}"
-                        if cable.color
-                        else ""
-                    )
-                )
-                bom_entries.append(
-                    {
-                        "description": description,
-                        "qty": cable.length,
-                        "unit": cable.length_unit,
-                        "designators": cable.name if cable.show_name else None,
-                        **optional_fields(cable),
-                    }
         )
     else:
-                # add each wire from the bundle to the bom
+        cell_spn = None
-                for index, color in enumerate(cable.colors):
-                    description = (
-                        "Wire"
-                        + (f", {cable.type}" if cable.type else "")
-                        + (f", {cable.gauge} {cable.gauge_unit}" if cable.gauge else "")
-                        + (
-                            f", {translate_color(color, harness.options.color_mode)}"
-                            if color
-                            else ""
-                        )
-                    )
-                    bom_entries.append(
-                        {
-                            "description": description,
-                            "qty": cable.length,
-                            "unit": cable.length_unit,
-                            "designators": cable.name if cable.show_name else None,
-                            **{
-                                k: index_if_list(v, index)
-                                for k, v in optional_fields(cable).items()
-                            },
-                        }
-                    )
 
-        # add cable/bundles aditional components to bom
+    cell_contents = [cell_pn, cell_mpn, cell_spn]
-        bom_entries.extend(get_additional_component_bom(cable))
+    if any(cell_contents):
-
+        return [html_line_breaks(cell) for cell in cell_contents]
-    # add harness aditional components to bom directly, as they both are List[BOMEntry]
+    else:
-    bom_entries.extend(harness.additional_bom_items)
+        return None
-
-    # remove line breaks if present and cleanup any resulting whitespace issues
-    bom_entries = [
-        {k: clean_whitespace(v) for k, v in entry.items()} for entry in bom_entries
-    ]
-
-    # deduplicate bom
-    bom = []
-    for _, group in groupby(sorted(bom_entries, key=bom_entry_key), key=bom_entry_key):
-        group_entries = list(group)
-        designators = sum(
-            (make_list(entry.get("designators")) for entry in group_entries), []
-        )
-        total_qty = sum(entry.get("qty", 1) for entry in group_entries)
-        bom.append(
-            {
-                **group_entries[0],
-                "qty": round(total_qty, 3),
-                "designators": sorted(set(designators)),
-            }
-        )
-
-    # add an incrementing id to each bom entry
-    return [{**entry, "id": index} for index, entry in enumerate(bom, 1)]
-
-
-def get_bom_index(bom: List[BOMEntry], target: BOMKey) -> int:
-    """Return id of BOM entry or raise exception if not found."""
-    for entry in bom:
-        if bom_entry_key(entry) == target:
-            return entry["id"]
-    raise Exception("Internal error: No BOM entry found matching: " + "|".join(target))
-
-
-def bom_list(bom: List[BOMEntry]) -> List[List[str]]:
-    """Return list of BOM rows as lists of column strings with headings in top row."""
-    keys = list(BOM_COLUMNS_ALWAYS)  # Always include this fixed set of BOM columns.
-    for fieldname in BOM_COLUMNS_OPTIONAL:
-        # Include only those optional BOM columns that are in use.
-        if any(entry.get(fieldname) for entry in bom):
-            keys.append(fieldname)
-    # Custom mapping from internal name to BOM column headers.
-    # Headers not specified here are generated by capitilising the internal name.
-    bom_headings = {
-        "pn": HEADER_PN,
-        "mpn": HEADER_MPN,
-        "spn": HEADER_SPN,
-    }
-    return [
-        [bom_headings.get(k, k.capitalize()) for k in keys]
-    ] + [  # Create header row with key names
-        [make_str(entry.get(k)) for k in keys] for entry in bom
-    ]  # Create string list for each entry row
-
-
-def component_table_entry(
-    type: str,
-    qty: Union[int, float],
-    unit: Optional[str] = None,
-    bgcolor: Optional[Color] = None,
-    pn: Optional[str] = None,
-    manufacturer: Optional[str] = None,
-    mpn: Optional[str] = None,
-    supplier: Optional[str] = None,
-    spn: Optional[str] = None,
-) -> str:
-    """Return a diagram node table row string with an additional component."""
-    part_number_list = [
-        pn_info_string(HEADER_PN, None, pn),
-        pn_info_string(HEADER_MPN, manufacturer, mpn),
-        pn_info_string(HEADER_SPN, supplier, spn),
-    ]
-    output = (
-        f"{qty}"
-        + (f" {unit}" if unit else "")
-        + f" x {type}"
-        + ("<br/>" if any(part_number_list) else "")
-        + (", ".join([pn for pn in part_number_list if pn]))
-    )
-    # format the above output as left aligned text in a single visible cell
-    # indent is set to two to match the indent in the generated html table
-    return f"""<table border="0" cellspacing="0" cellpadding="3" cellborder="1"{html_bgcolor_attr(bgcolor)}><tr>
-   <td align="left" balign="left">{html_line_breaks(output)}</td>
-  </tr></table>"""
 
 
 def pn_info_string(
@@ -274,16 +95,51 @@ def pn_info_string(
         return None
 
 
-def index_if_list(value: Any, index: int) -> Any:
+def bom_list(bom):
-    """Return the value indexed if it is a list, or simply the value otherwise."""
+    headers = (
-    return value[index] if isinstance(value, list) else value
+        "# Qty Unit Description Amount Unit Designators "
+        "P/N Manufacturer MPN Supplier SPN Category".split(" ")
+    )
+    rows = []
+    rows.append(headers)
+    # fill rows
+    for hash, entry in bom.items():
+        cells = [
+            entry["id"],
+            entry["qty"],
+            hash.qty_unit,
+            hash.description,
+            hash.amount.number if hash.amount else None,
+            hash.amount.unit if hash.amount else None,
+            ", ".join(sorted(entry["designators"])),
+        ]
+        if hash.partnumbers:
+            cells.extend(
+                [
+                    hash.partnumbers.pn,
+                    hash.partnumbers.manufacturer,
+                    hash.partnumbers.mpn,
+                    hash.partnumbers.supplier,
+                    hash.partnumbers.spn,
+                ]
+            )
+        else:
+            cells.extend([None, None, None, None, None])
+        # cells.extend([f"{entry['category']} ({entry['category'].name})"])  # for debugging
+        rows.append(cells)
+    # remove empty columns
+    transposed = list(map(list, zip(*rows)))
+    transposed = [
+        column
+        for column in transposed
+        if any([cell is not None for cell in column[1:]])
+        #                                           ^ ignore header cell in check
+    ]
+    rows = list(map(list, zip(*transposed)))
+    return rows
 
 
-def make_list(value: Any) -> list:
+def print_bom_table(bom):
-    """Return value if a list, empty list if None, or single element list otherwise."""
+    print()
-    return value if isinstance(value, list) else [] if value is None else [value]
+    print(tabulate_module.tabulate(bom_list(bom), headers="firstrow"))
-
+    print()
-
-def make_str(value: Any) -> str:
-    """Return comma separated elements if a list, empty string if None, or value as a string otherwise."""
-    return ", ".join(str(element) for element in make_list(value))

src/wireviz/wv_cli.py

@@ -11,7 +11,7 @@ if __name__ == "__main__":
 
 import wireviz.wireviz as wv
 from wireviz import APP_NAME, __version__
-from wireviz.wv_helper import open_file_read
+from wireviz.wv_utils import open_file_read
 
 format_codes = {
     "c": "csv",
@@ -23,9 +23,12 @@ format_codes = {
     "t": "tsv",
 }
 
-epilog = "The -f or --format option accepts a string containing one or more of the "
+
-epilog += "following characters to specify which file types to output:\n"
+epilog = (
-epilog += ", ".join([f"{key} ({value.upper()})" for key, value in format_codes.items()])
+    "The -f or --format option accepts a string containing one or more of the "
+    "following characters to specify which file types to output:\n"
+    + f", ".join([f"{key} ({value.upper()})" for key, value in format_codes.items()])
+)
 
 
 @click.command(epilog=epilog, no_args_is_help=True)
@@ -58,7 +61,10 @@ epilog += ", ".join([f"{key} ({value.upper()})" for key, value in format_codes.i
     "--output-name",
     default=None,
     type=str,
-    help="File name (without extension) to use for output files, if different from input file name.",
+    help=(
+        "File name (without extension) to use for output files, "
+        "if different from input file name."
+    ),
 )
 @click.option(
     "-V",
@@ -71,7 +77,7 @@ def wireviz(file, format, prepend, output_dir, output_name, version):
     """
     Parses the provided FILE and generates the specified outputs.
     """
-    print()
+    print()  # blank line before execution
     print(f"{APP_NAME} {__version__}")
     if version:
         return  # print version number only and exit
@@ -105,6 +111,8 @@ def wireviz(file, format, prepend, output_dir, output_name, version):
             prepend_file = Path(prepend_file)
             if not prepend_file.exists():
                 raise Exception(f"File does not exist:\n{prepend_file}")
+            if not prepend_file.is_file():
+                raise Exception(f"Path is not a file:\n{prepend_file}")
             print("Prepend file:", prepend_file)
 
             prepend_input += open_file_read(prepend_file).read() + "\n"
@@ -116,6 +124,8 @@ def wireviz(file, format, prepend, output_dir, output_name, version):
         file = Path(file)
         if not file.exists():
             raise Exception(f"File does not exist:\n{file}")
+        if not file.is_file():
+            raise Exception(f"Path is not a file:\n{file}")
 
         # file_out = file.with_suffix("") if not output_file else output_file
         _output_dir = file.parent if not output_dir else output_dir
@@ -142,7 +152,7 @@ def wireviz(file, format, prepend, output_dir, output_name, version):
             image_paths=list(image_paths),
         )
 
-    print()
+    print()  # blank line after execution
 
 
 if __name__ == "__main__":

src/wireviz/wv_colors.py

@@ -1,6 +1,205 @@
 # -*- coding: utf-8 -*-
 
-from typing import Dict, List
+from collections import namedtuple
+from dataclasses import dataclass, field
+from enum import Enum
+from typing import List
+
+padding_amount = 1
+
+ColorOutputMode = Enum(
+    "ColorOutputMode", "EN_LOWER EN_UPPER DE_LOWER DE_UPPER HTML_LOWER HTML_UPPER"
+)
+
+color_output_mode = ColorOutputMode.EN_UPPER
+
+KnownColor = namedtuple("KnownColor", "html code_de full_en full_de")
+
+known_colors = {  #                   v--------v--------- for future use
+    "BK": KnownColor("#000000", "sw", "black", "schwarz"),
+    "WH": KnownColor("#ffffff", "ws", "white", "weiß"),
+    "GY": KnownColor("#999999", "gr", "grey", "grau"),
+    "PK": KnownColor("#ff66cc", "rs", "pink", "rosa"),
+    "RD": KnownColor("#ff0000", "rt", "red", "rot"),
+    "OG": KnownColor("#ff8000", "or", "orange", "orange"),
+    "YE": KnownColor("#ffff00", "ge", "yellow", "gelb"),
+    "OL": KnownColor("#708000", "ol", "olive green", "olivgrün"),
+    "GN": KnownColor("#00aa00", "gn", "green", "grün"),
+    "TQ": KnownColor("#00ffff", "tk", "turquoise", "türkis"),
+    "LB": KnownColor("#a0dfff", "hb", "light blue", "hellblau"),
+    "BU": KnownColor("#0066ff", "bl", "blue", "blau"),
+    "VT": KnownColor("#8000ff", "vi", "violet", "violett"),
+    "BN": KnownColor("#895956", "br", "brown", "braun"),
+    "BG": KnownColor("#ceb673", "bg", "beige", "beige"),
+    "IV": KnownColor("#f5f0d0", "eb", "ivory", "elfenbein"),
+    "SL": KnownColor("#708090", "si", "slate", "schiefer"),
+    "CU": KnownColor("#d6775e", "ku", "copper", "Kupfer"),
+    "SN": KnownColor("#aaaaaa", "vz", "tin", "verzinkt"),
+    "SR": KnownColor("#84878c", "ag", "silver", "Silber"),
+    "GD": KnownColor("#ffcf80", "au", "gold", "Gold"),
+}
+
+
+def convert_case(inp):
+    if "_LOWER" in color_output_mode.name:
+        return inp.lower()
+    elif "_UPPER" in color_output_mode.name:
+        return inp.upper()
+    else:  # currently not used
+        return inp
+
+
+def get_color_by_colorcode_index(color_code: str, index: int) -> str:
+    num_colors_in_code = len(COLOR_CODES[color_code])
+    actual_index = index % num_colors_in_code  # wrap around if index is out of bounds
+    return COLOR_CODES[color_code][actual_index]
+
+
+@dataclass
+class SingleColor:
+    _code_en: str
+    _html: str
+
+    @property
+    def code_en(self):
+        return convert_case(self._code_en) if self._code_en else None
+
+    @property
+    def code_de(self):
+        return (
+            convert_case(known_colors[self._code_en.upper()].code_de)
+            if self._code_en
+            else None
+        )
+
+    @property
+    def html(self):
+        return convert_case(self._html) if self._code_en else None
+
+    @property
+    def known(self):
+        # treat None as a known color
+        return self.code_en.upper() in known_colors.keys() if self._code_en else True
+
+    def __init__(self, inp):
+        if inp is None:
+            self._html = None
+            self._code_en = None
+        elif isinstance(inp, int):
+            hex_str = f"#{inp:06x}"
+            self._html = hex_str
+            self._code_en = hex_str  # do not perform reverse lookup - why not?
+        elif not isinstance(inp, str):
+            raise Exception(f"Unknown single color {inp}!")
+        else:
+            inp_upper = inp.upper()
+            if inp_upper in known_colors.keys():
+                self._code_en = inp_upper
+                self._html = known_colors[inp_upper].html
+            else:
+                try:  # Maybe inp is an int as string?
+                    inp = f"#{int(inp, 0):06x}"
+                except ValueError:
+                    pass  # assume it's a valid HTML color name
+                self._html = inp
+                self._code_en = inp
+
+    @property
+    def html_padded(self):
+        return ":".join([self.html] * padding_amount)
+
+    def __bool__(self):
+        return self._code_en is not None
+
+    def __str__(self):
+        if self._html is None:
+            return ""
+        elif self.known and "EN_" in color_output_mode.name:
+            return self.code_en
+        elif self.known and "DE_" in color_output_mode.name:
+            return self.code_de
+        else:
+            return self.html
+
+
+@dataclass
+class MultiColor:
+    colors: List[SingleColor] = field(default_factory=list)
+
+    def __init__(self, inp):
+        self.colors = []
+        if inp is None:
+            pass
+        elif isinstance(inp, List):  # input is already a list
+            for item in inp:
+                if item is None:
+                    pass
+                elif isinstance(item, SingleColor):
+                    self.colors.append(item)
+                else:  # string or integer (type check done inside)
+                    self.colors.append(SingleColor(item))
+        elif isinstance(inp, SingleColor):  # single color
+            self.colors = [inp]
+        elif isinstance(inp, int):
+            self.colors = [SingleColor(inp)]
+        elif not isinstance(inp, str):
+            raise Exception(f"Unknown multi-color {inp}!")
+        elif ":" in inp:  # split input into list
+            self.colors = [SingleColor(item) for item in inp.split(":")]
+        else:
+            if len(inp) % 2 == 0:
+                items = [inp[i : i + 2] for i in range(0, len(inp), 2)]
+                known = [item.upper() in known_colors.keys() for item in items]
+                if all(known):
+                    self.colors = [SingleColor(item) for item in items]
+                    return
+            # assume it's a valid HTML color name
+            self.colors = [SingleColor(inp)]
+
+    def __len__(self):
+        return len(self.colors)
+
+    def __bool__(self):
+        return len(self.colors) >= 1
+
+    def __str__(self):
+        if "EN_" in color_output_mode.name or "DE_" in color_output_mode.name:
+            joiner = "" if self.all_known else ":"
+        elif "HTML_" in color_output_mode.name:
+            joiner = ":"
+        else:
+            joiner = "???"
+        return joiner.join([str(color) for color in self.colors])
+
+    @property
+    def all_known(self):
+        return all([color.known for color in self.colors])
+
+    @property
+    def html(self):
+        return ":".join([color.html for color in self.colors])
+
+    @property
+    def html_padded_list(self):
+        # padding only properly works for padding_amount 1 or 3
+        if padding_amount == 1:
+            out = [color.html for color in self.colors]
+        elif len(self) == 0:
+            out = []
+        elif len(self) == 1:
+            out = [self.colors[0].html for i in range(3)]
+        elif len(self) == 2:
+            out = [self.colors[0].html, self.colors[1].html, self.colors[0].html]
+        elif len(self) == 3:
+            out = [color.html for color in self.colors]
+        else:
+            raise Exception(f"Padding not supported for len {len(self)}")
+        return [str(color) for color in out]
+
+    @property
+    def html_padded(self):
+        return ":".join(self.html_padded_list)
+
 
 COLOR_CODES = {
     # fmt: off
@@ -38,164 +237,3 @@ COLOR_CODES = {
     "T568A": ["WHGN", "GN", "WHOG", "BU", "WHBU", "OG", "WHBN", "BN"],
     "T568B": ["WHOG", "OG", "WHGN", "BU", "WHBU", "GN", "WHBN", "BN"],
 }
-
-# Convention: Color names should be 2 letters long, to allow for multicolored wires
-
-_color_hex = {
-    "BK": "#000000",
-    "WH": "#ffffff",
-    "GY": "#999999",
-    "PK": "#ff66cc",
-    "RD": "#ff0000",
-    "OG": "#ff8000",
-    "YE": "#ffff00",
-    "OL": "#708000",  # olive green
-    "GN": "#00ff00",
-    "TQ": "#00ffff",
-    "LB": "#a0dfff",  # light blue
-    "BU": "#0066ff",
-    "VT": "#8000ff",
-    "BN": "#895956",
-    "BG": "#ceb673",  # beige
-    "IV": "#f5f0d0",  # ivory
-    "SL": "#708090",
-    "CU": "#d6775e",  # Faux-copper look, for bare CU wire
-    "SN": "#aaaaaa",  # Silvery look for tinned bare wire
-    "SR": "#84878c",  # Darker silver for silvered wire
-    "GD": "#ffcf80",  # Golden color for gold
-}
-
-_color_full = {
-    "BK": "black",
-    "WH": "white",
-    "GY": "grey",
-    "PK": "pink",
-    "RD": "red",
-    "OG": "orange",
-    "YE": "yellow",
-    "OL": "olive green",
-    "GN": "green",
-    "TQ": "turquoise",
-    "LB": "light blue",
-    "BU": "blue",
-    "VT": "violet",
-    "BN": "brown",
-    "BG": "beige",
-    "IV": "ivory",
-    "SL": "slate",
-    "CU": "copper",
-    "SN": "tin",
-    "SR": "silver",
-    "GD": "gold",
-}
-
-_color_ger = {
-    "BK": "sw",
-    "WH": "ws",
-    "GY": "gr",
-    "PK": "rs",
-    "RD": "rt",
-    "OG": "or",
-    "YE": "ge",
-    "OL": "ol",  # olivgrün
-    "GN": "gn",
-    "TQ": "tk",
-    "LB": "hb",  # hellblau
-    "BU": "bl",
-    "VT": "vi",
-    "BN": "br",
-    "BG": "bg",  # beige
-    "IV": "eb",  # elfenbeinfarben
-    "SL": "si",  # Schiefer
-    "CU": "ku",  # Kupfer
-    "SN": "vz",  # verzinkt
-    "SR": "ag",  # Silber
-    "GD": "au",  # Gold
-}
-
-
-color_default = "#ffffff"
-
-_hex_digits = set("0123456789abcdefABCDEF")
-
-
-# Literal type aliases below are commented to avoid requiring python 3.8
-Color = str  # Two-letter color name = Literal[_color_hex.keys()]
-Colors = str  # One or more two-letter color names (Color) concatenated into one string
-ColorMode = (
-    str  # = Literal['full', 'FULL', 'hex', 'HEX', 'short', 'SHORT', 'ger', 'GER']
-)
-ColorScheme = str  # Color scheme name = Literal[COLOR_CODES.keys()]
-
-
-def get_color_hex(input: Colors, pad: bool = False) -> List[str]:
-    """Return list of hex colors from either a string of color names or :-separated hex colors."""
-    if input is None or input == "":
-        return [color_default]
-    elif input[0] == "#":  # Hex color(s)
-        output = input.split(":")
-        for i, c in enumerate(output):
-            if c[0] != "#" or not all(d in _hex_digits for d in c[1:]):
-                if c != input:
-                    c += f" in input: {input}"
-                print(f"Invalid hex color: {c}")
-                output[i] = color_default
-    else:  # Color name(s)
-
-        def lookup(c: str) -> str:
-            try:
-                return _color_hex[c]
-            except KeyError:
-                if c != input:
-                    c += f" in input: {input}"
-                print(f"Unknown color name: {c}")
-                return color_default
-
-        output = [lookup(input[i : i + 2]) for i in range(0, len(input), 2)]
-
-    if len(output) == 2:  # Give wires with EXACTLY 2 colors that striped look.
-        output += output[:1]
-    elif pad and len(output) == 1:  # Hacky style fix: Give single color wires
-        output *= 3  # a triple-up so that wires are the same size.
-
-    return output
-
-
-def get_color_translation(translate: Dict[Color, str], input: Colors) -> List[str]:
-    """Return list of colors translations from either a string of color names or :-separated hex colors."""
-
-    def from_hex(hex_input: str) -> str:
-        for color, hex in _color_hex.items():
-            if hex == hex_input:
-                return translate[color]
-        return f'({",".join(str(int(hex_input[i:i+2], 16)) for i in range(1, 6, 2))})'
-
-    return (
-        [from_hex(h) for h in input.lower().split(":")]
-        if input[0] == "#"
-        else [translate.get(input[i : i + 2], "??") for i in range(0, len(input), 2)]
-    )
-
-
-def translate_color(input: Colors, color_mode: ColorMode) -> str:
-    if input == "" or input is None:
-        return ""
-    upper = color_mode.isupper()
-    if not (color_mode.isupper() or color_mode.islower()):
-        raise Exception("Unknown color mode capitalization")
-
-    color_mode = color_mode.lower()
-    if color_mode == "full":
-        output = "/".join(get_color_translation(_color_full, input))
-    elif color_mode == "hex":
-        output = ":".join(get_color_hex(input, pad=False))
-    elif color_mode == "ger":
-        output = "".join(get_color_translation(_color_ger, input))
-    elif color_mode == "short":
-        output = input
-    else:
-        raise Exception("Unknown color mode")
-    if upper:
-        return output.upper()
-    else:
-        return output.lower()

src/wireviz/wv_dataclasses.py

@@ -0,0 +1,826 @@
+# -*- coding: utf-8 -*-
+
+from collections import namedtuple
+from dataclasses import dataclass, field
+from enum import Enum
+from itertools import zip_longest
+from typing import Any, Dict, List, Optional, Tuple, Union
+
+from wireviz.wv_bom import (
+    BomHash,
+    BomHashList,
+    PartNumberInfo,
+    QtyMultiplierCable,
+    QtyMultiplierConnector,
+)
+from wireviz.wv_colors import (
+    COLOR_CODES,
+    ColorOutputMode,
+    MultiColor,
+    SingleColor,
+    get_color_by_colorcode_index,
+)
+from wireviz.wv_utils import (
+    NumberAndUnit,
+    awg_equiv,
+    aspect_ratio,
+    mm2_equiv,
+    parse_number_and_unit,
+    remove_links,
+)
+
+# Each type alias have their legal values described in comments
+# - validation might be implemented in the future
+PlainText = str  # Text not containing HTML tags nor newlines
+Hypertext = str  # Text possibly including HTML hyperlinks that are removed in all outputs except HTML output
+MultilineHypertext = (
+    str  # Hypertext possibly also including newlines to break lines in diagram output
+)
+
+Designator = PlainText  # Case insensitive unique name of connector or cable
+
+# Literal type aliases below are commented to avoid requiring python 3.8
+ImageScale = PlainText  # = Literal['false', 'true', 'width', 'height', 'both']
+
+# Type combinations
+Pin = Union[int, PlainText]  # Pin identifier
+PinIndex = int  # Zero-based pin index
+Wire = Union[int, PlainText]  # Wire number or Literal['s'] for shield
+NoneOrMorePins = Union[
+    Pin, Tuple[Pin, ...], None
+]  # None, one, or a tuple of pin identifiers
+NoneOrMorePinIndices = Union[
+    PinIndex, Tuple[PinIndex, ...], None
+]  # None, one, or a tuple of zero-based pin indices
+OneOrMoreWires = Union[Wire, Tuple[Wire, ...]]  # One or a tuple of wires
+
+# Metadata can contain whatever is needed by the HTML generation/template.
+MetadataKeys = PlainText  # Literal['title', 'description', 'notes', ...]
+
+
+Side = Enum("Side", "LEFT RIGHT")
+ArrowDirection = Enum("ArrowDirection", "NONE BACK FORWARD BOTH")
+ArrowWeight = Enum("ArrowWeight", "SINGLE DOUBLE")
+
+AUTOGENERATED_PREFIX = "AUTOGENERATED_"
+
+
+@dataclass
+class Arrow:
+    direction: ArrowDirection
+    weight: ArrowWeight
+
+
+class Metadata(dict):
+    pass
+
+
+@dataclass
+class Options:
+    fontname: PlainText = "arial"
+    bgcolor: SingleColor = "WH"  # will be converted to SingleColor in __post_init__
+    bgcolor_node: SingleColor = "WH"
+    bgcolor_connector: SingleColor = None
+    bgcolor_cable: SingleColor = None
+    bgcolor_bundle: SingleColor = None
+    color_output_mode: ColorOutputMode = ColorOutputMode.EN_UPPER
+    mini_bom_mode: bool = True
+    template_separator: str = "."
+    _pad: int = 0
+    # TODO: resolve template and image paths during rendering, not during YAML parsing
+    _template_paths: List = field(default_factory=list)
+    _image_paths: List = field(default_factory=list)
+
+    def __post_init__(self):
+        self.bgcolor = SingleColor(self.bgcolor)
+        self.bgcolor_node = SingleColor(self.bgcolor_node)
+        self.bgcolor_connector = SingleColor(self.bgcolor_connector)
+        self.bgcolor_cable = SingleColor(self.bgcolor_cable)
+        self.bgcolor_bundle = SingleColor(self.bgcolor_bundle)
+
+        if not self.bgcolor_node:
+            self.bgcolor_node = self.bgcolor
+        if not self.bgcolor_connector:
+            self.bgcolor_connector = self.bgcolor_node
+        if not self.bgcolor_cable:
+            self.bgcolor_cable = self.bgcolor_node
+        if not self.bgcolor_bundle:
+            self.bgcolor_bundle = self.bgcolor_cable
+
+
+@dataclass
+class Tweak:
+    override: Optional[Dict[Designator, Dict[str, Optional[str]]]] = None
+    append: Union[str, List[str], None] = None
+
+
+@dataclass
+class Image:
+    # Attributes of the image object <img>:
+    src: str
+    scale: Optional[ImageScale] = None
+    # Attributes of the image cell <td> containing the image:
+    width: Optional[int] = None
+    height: Optional[int] = None
+    fixedsize: Optional[bool] = None
+    bgcolor: SingleColor = None
+    # Contents of the text cell <td> just below the image cell:
+    caption: Optional[MultilineHypertext] = None
+    # See also HTML doc at https://graphviz.org/doc/info/shapes.html#html
+
+    def __post_init__(self):
+        self.bgcolor = SingleColor(self.bgcolor)
+
+        if self.fixedsize is None:
+            # Default True if any dimension specified unless self.scale also is specified.
+            self.fixedsize = (self.width or self.height) and self.scale is None
+
+        if self.scale is None:
+            if not self.width and not self.height:
+                self.scale = "false"
+            elif self.width and self.height:
+                self.scale = "both"
+            else:
+                self.scale = "true"  # When only one dimension is specified.
+
+        if self.fixedsize:
+            # If only one dimension is specified, compute the other
+            # because Graphviz requires both when fixedsize=True.
+            if self.height:
+                if not self.width:
+                    self.width = self.height * aspect_ratio(self.src)
+            else:
+                if self.width:
+                    self.height = self.width / aspect_ratio(self.src)
+
+
+@dataclass
+class PinClass:
+    index: int
+    id: str
+    label: str
+    color: MultiColor
+    parent: str  # designator of parent connector
+    _num_connections = 0  # incremented in Connector.connect()
+    _anonymous: bool = False  # true for pins on autogenerated connectors
+    _simple: bool = False  # true for simple connector
+
+    def __str__(self):
+        snippets = [  # use str() for each in case they are int or other non-str
+            str(self.parent) if not self._anonymous else "",
+            str(self.id) if not self._anonymous and not self._simple else "",
+            str(self.label) if self.label else "",
+        ]
+        return ":".join([snip for snip in snippets if snip != ""])
+
+
+@dataclass
+class Component:
+    category: Optional[str] = None  # currently only used by cables, to define bundles
+    type: Union[MultilineHypertext, List[MultilineHypertext]] = None
+    subtype: Union[MultilineHypertext, List[MultilineHypertext]] = None
+
+    # part number
+    partnumbers: PartNumberInfo = None  # filled by __post_init__()
+    # the following are provided for user convenience and should not be accessed later.
+    # their contents are loaded into partnumbers during the child class __post_init__()
+    pn: str = None
+    manufacturer: str = None
+    mpn: str = None
+    supplier: str = None
+    spn: str = None
+    # BOM info
+    qty: Optional[Union[None, int, float]] = None
+    amount: Optional[NumberAndUnit] = None
+    sum_amounts_in_bom: bool = True
+    ignore_in_bom: bool = False
+    bom_id: Optional[str] = None  # to be filled after harness is built
+
+    def __post_init__(self):
+        partnos = [self.pn, self.manufacturer, self.mpn, self.supplier, self.spn]
+        partnos = [remove_links(entry) for entry in partnos]
+        partnos = tuple(partnos)
+        self.partnumbers = PartNumberInfo(*partnos)
+        self.amount = parse_number_and_unit(self.amount, None)
+
+    @property
+    def bom_hash(self) -> BomHash:
+        if isinstance(self, AdditionalComponent):
+            _amount = self.amount_computed
+        else:
+            _amount = self.amount
+
+        if self.sum_amounts_in_bom:
+            _hash = BomHash(
+                description=self.description,
+                qty_unit=_amount.unit if _amount else None,
+                amount=None,
+                partnumbers=self.partnumbers,
+            )
+        else:
+            _hash = BomHash(
+                description=self.description,
+                qty_unit=None,
+                amount=_amount,
+                partnumbers=self.partnumbers,
+            )
+        return _hash
+
+    @property
+    def has_pn_info(self) -> bool:
+        return any([self.pn, self.manufacturer, self.mpn, self.supplier, self.spn])
+
+    @property
+    def description(self) -> str:
+        return f"{self.type}{', ' + self.subtype if self.subtype else ''}"
+
+
+@dataclass
+class AdditionalBomItem(Component):
+    designators: Optional[str] = None
+
+    @property
+    def additional_components(self):
+        # An additional item may not have further nested additional comonents.
+        # This property is currently needed for objects in the same list as
+        # TopLevelGraphicalComponent objects in a Harness method.
+        return []
+
+
+@dataclass
+class GraphicalComponent(Component):  # abstract class
+    bgcolor: Optional[SingleColor] = None
+
+    def __post_init__(self):
+        super().__post_init__()
+        self.bgcolor = SingleColor(self.bgcolor)
+
+
+@dataclass
+class AdditionalComponent(GraphicalComponent):
+    qty_multiplier: Union[QtyMultiplierConnector, QtyMultiplierCable, int] = 1
+    qty_computed: Optional[int] = None
+    explicit_qty: bool = True
+    amount_computed: Optional[NumberAndUnit] = None
+    note: str = None
+
+    def __post_init__(self):
+        super().__post_init__()
+
+        if isinstance(self.qty_multiplier, float) or isinstance(
+            self.qty_multiplier, int
+        ):
+            pass
+        else:
+            self.qty_multiplier = self.qty_multiplier.upper()
+            if self.qty_multiplier in QtyMultiplierConnector.__members__.keys():
+                self.qty_multiplier = QtyMultiplierConnector[self.qty_multiplier]
+            elif self.qty_multiplier in QtyMultiplierCable.__members__.keys():
+                self.qty_multiplier = QtyMultiplierCable[self.qty_multiplier]
+            else:
+                raise Exception(f"Unknown qty multiplier: {self.qty_multiplier}")
+
+        if self.qty is None and self.qty_multiplier in [
+            QtyMultiplierCable.TOTAL_LENGTH,
+            QtyMultiplierCable.LENGTH,
+            1,
+        ]:  # simplify add.comp. table in parent node for implicit qty 1
+            self.qty = 1
+            self.explicit_qty = False
+
+
+@dataclass
+class TopLevelGraphicalComponent(GraphicalComponent):  # abstract class
+    # component properties
+    designator: Designator = None
+    color: Optional[MultiColor] = None
+    image: Optional[Image] = None
+    additional_parameters: Optional[Dict] = None
+    additional_components: List[AdditionalComponent] = field(default_factory=list)
+    notes: Optional[MultilineHypertext] = None
+    # rendering options
+    bgcolor_title: Optional[SingleColor] = None
+    show_name: Optional[bool] = None
+
+
+@dataclass
+class Connector(TopLevelGraphicalComponent):
+    # connector-specific properties
+    style: Optional[str] = None
+    loops: List[List[Pin]] = field(default_factory=list)
+    # pin information in particular
+    pincount: Optional[int] = None
+    pins: List[Pin] = field(default_factory=list)  # legacy
+    pinlabels: List[Pin] = field(default_factory=list)  # legacy
+    pincolors: List[str] = field(default_factory=list)  # legacy
+    pin_objects: Dict[Any, PinClass] = field(default_factory=dict)  # new
+    # rendering option
+    show_pincount: Optional[bool] = None
+    hide_disconnected_pins: bool = False
+
+    @property
+    def is_autogenerated(self):
+        return self.designator.startswith(AUTOGENERATED_PREFIX)
+
+    @property
+    def description(self) -> str:
+        substrs = [
+            "Connector",
+            self.type,
+            self.subtype,
+            f"{self.pincount} pins" if self.show_pincount else None,
+            str(self.color) if self.color else None,
+        ]
+        return ", ".join([str(s) for s in substrs if s is not None and s != ""])
+
+    def should_show_pin(self, pin_id):
+        return (
+            not self.hide_disconnected_pins
+            or self.pin_objects[pin_id]._num_connections > 0
+        )
+
+    @property
+    def unit(self):  # for compatibility with BOM hashing
+        return None  # connectors do not support units.
+
+    def __post_init__(self) -> None:
+        super().__post_init__()
+
+        self.bgcolor_title = SingleColor(self.bgcolor_title)
+        self.color = MultiColor(self.color)
+
+        # connectors do not support custom qty or amount
+        if self.qty is None:
+            self.qty = 1
+        if self.qty != 1:
+            raise Exception("Connector qty != 1 not supported")
+        if self.amount is not None:
+            raise Exception("Connector amount not supported")
+
+        if isinstance(self.image, dict):
+            self.image = Image(**self.image)
+
+        self.ports_left = False
+        self.ports_right = False
+        self.visible_pins = {}
+
+        if self.style == "simple":
+            if self.pincount and self.pincount > 1:
+                raise Exception(
+                    "Connectors with style set to simple may only have one pin"
+                )
+            self.pincount = 1
+
+        if not self.pincount:
+            self.pincount = max(
+                len(self.pins), len(self.pinlabels), len(self.pincolors)
+            )
+            if not self.pincount:
+                raise Exception(
+                    "You need to specify at least one: "
+                    "pincount, pins, pinlabels, or pincolors"
+                )
+
+        # create default list for pins (sequential) if not specified
+        if not self.pins:
+            self.pins = list(range(1, self.pincount + 1))
+
+        if len(self.pins) != len(set(self.pins)):
+            raise Exception("Pins are not unique")
+
+        # all checks have passed
+        pin_tuples = zip_longest(
+            self.pins,
+            self.pinlabels,
+            self.pincolors,
+        )
+        for pin_index, (pin_id, pin_label, pin_color) in enumerate(pin_tuples):
+            self.pin_objects[pin_id] = PinClass(
+                index=pin_index,
+                id=pin_id,
+                label=pin_label,
+                color=MultiColor(pin_color),
+                parent=self.designator,
+                _anonymous=self.is_autogenerated,
+                _simple=self.style == "simple",
+            )
+
+        if self.show_name is None:
+            self.show_name = self.style != "simple" and not self.is_autogenerated
+
+        if self.show_pincount is None:
+            # hide pincount for simple (1 pin) connectors by default
+            self.show_pincount = self.style != "simple"
+
+        for loop in self.loops:
+            # TODO: allow using pin labels in addition to pin numbers,
+            #       just like when defining regular connections
+            # TODO: include properties of wire used to create the loop
+            if len(loop) != 2:
+                raise Exception("Loops must be between exactly two pins!")
+            for pin in loop:
+                if pin not in self.pins:
+                    raise Exception(
+                        f'Unknown loop pin "{pin}" for connector "{self.name}"!'
+                    )
+                # Make sure loop connected pins are not hidden.
+                # side=None, determine side to show loops during rendering
+                self.activate_pin(pin, side=None, is_connection=True)
+
+        for i, item in enumerate(self.additional_components):
+            if isinstance(item, dict):
+                self.additional_components[i] = AdditionalComponent(**item)
+
+    def activate_pin(self, pin_id, side: Side = None, is_connection=True) -> None:
+        if is_connection:
+            self.pin_objects[pin_id]._num_connections += 1
+        if side == Side.LEFT:
+            self.ports_left = True
+        elif side == Side.RIGHT:
+            self.ports_right = True
+
+    def compute_qty_multipliers(self):
+        # do not run before all connections in harness have been made!
+        num_populated_pins = len(
+            [pin for pin in self.pin_objects.values() if pin._num_connections > 0]
+        )
+        num_connections = sum(
+            [pin._num_connections for pin in self.pin_objects.values()]
+        )
+        qty_multipliers_computed = {
+            "PINCOUNT": self.pincount,
+            "POPULATED": num_populated_pins,
+            "CONNECTIONS": num_connections,
+        }
+        for subitem in self.additional_components:
+            if isinstance(subitem.qty_multiplier, QtyMultiplierConnector):
+                computed_factor = qty_multipliers_computed[subitem.qty_multiplier.name]
+            elif isinstance(subitem.qty_multiplier, QtyMultiplierCable):
+                raise Exception("Used a cable multiplier in a connector!")
+            else:  # int or float
+                computed_factor = subitem.qty_multiplier
+
+            if subitem.qty is not None:
+                subitem.qty_computed = subitem.qty * computed_factor
+            else:
+                subitem.qty_computed = computed_factor
+            subitem.amount_computed = subitem.amount
+
+
+@dataclass
+class WireClass:
+    parent: str  # designator of parent cable/bundle
+    # wire-specific properties
+    index: int
+    id: str
+    label: str
+    color: MultiColor
+    # ...
+    bom_id: Optional[str] = None  # to be filled after harness is built
+    # inheritable from parent cable
+    type: Union[MultilineHypertext, List[MultilineHypertext]] = None
+    subtype: Union[MultilineHypertext, List[MultilineHypertext]] = None
+    gauge: Optional[NumberAndUnit] = None
+    length: Optional[NumberAndUnit] = None
+    ignore_in_bom: Optional[bool] = False
+    sum_amounts_in_bom: bool = True
+    partnumbers: PartNumberInfo = None
+
+    @property
+    def bom_hash(self) -> BomHash:
+        if self.sum_amounts_in_bom:
+            _hash = BomHash(
+                description=self.description,
+                qty_unit=self.length.unit if self.length else None,
+                amount=None,
+                partnumbers=self.partnumbers,
+            )
+        else:
+            _hash = BomHash(
+                description=self.description,
+                qty_unit=None,
+                amount=self.length,
+                partnumbers=self.partnumbers,
+            )
+        return _hash
+
+    @property
+    def gauge_str(self):
+        if not self.gauge:
+            return None
+        actual_gauge = f"{self.gauge.number} {self.gauge.unit}"
+        actual_gauge = actual_gauge.replace("mm2", "mm\u00B2")
+        return actual_gauge
+
+    @property
+    def description(self) -> str:
+        substrs = [
+            "Wire",
+            self.type,
+            self.subtype,
+            self.gauge_str,
+            str(self.color) if self.color else None,
+        ]
+        desc = ", ".join([s for s in substrs if s is not None and s != ""])
+        return desc
+
+
+@dataclass
+class ShieldClass(WireClass):
+    pass  # TODO, for wires with multiple shields more shield details, ...
+
+
+@dataclass
+class Connection:
+    from_: PinClass = None
+    via: Union[WireClass, ShieldClass] = None
+    to: PinClass = None
+
+
+@dataclass
+class Cable(TopLevelGraphicalComponent):
+    # cable-specific properties
+    gauge: Optional[NumberAndUnit] = None
+    length: Optional[NumberAndUnit] = None
+    color_code: Optional[str] = None
+    # wire information in particular
+    wirecount: Optional[int] = None
+    shield: Union[bool, MultiColor] = False
+    colors: List[str] = field(default_factory=list)  # legacy
+    wirelabels: List[Wire] = field(default_factory=list)  # legacy
+    wire_objects: Dict[Any, WireClass] = field(default_factory=dict)  # new
+    # internal
+    _connections: List[Connection] = field(default_factory=list)
+    # rendering options
+    show_name: Optional[bool] = None
+    show_equiv: bool = False
+    show_wirecount: bool = True
+    show_wirenumbers: Optional[bool] = None
+
+    @property
+    def is_autogenerated(self):
+        return self.designator.startswith(AUTOGENERATED_PREFIX)
+
+    @property
+    def unit(self):  # for compatibility with parent class
+        return self.length
+
+    @property
+    def gauge_str(self):
+        if not self.gauge:
+            return None
+        actual_gauge = f"{self.gauge.number} {self.gauge.unit}"
+        actual_gauge = actual_gauge.replace("mm2", "mm\u00B2")
+        return actual_gauge
+
+    @property
+    def gauge_str_with_equiv(self):
+        if not self.gauge:
+            return None
+        actual_gauge = self.gauge_str
+        equivalent_gauge = ""
+        if self.show_equiv:
+            # convert unit if known
+            if self.gauge.unit == "mm2":
+                equivalent_gauge = f" ({awg_equiv(self.gauge.number)} AWG)"
+            elif self.gauge.unit.upper() == "AWG":
+                equivalent_gauge = f" ({mm2_equiv(self.gauge.number)} mm2)"
+        out = f"{actual_gauge}{equivalent_gauge}"
+        out = out.replace("mm2", "mm\u00B2")
+        return out
+
+    @property
+    def length_str(self):
+        if not self.length:
+            return None
+        out = f"{self.length.number} {self.length.unit}"
+        return out
+
+    @property
+    def bom_hash(self):
+        if self.category == "bundle":
+            # This line should never be reached, since caller checks
+            # whether item is a bundle and if so, calls bom_hash
+            # for each individual wire instead
+            raise Exception("Do this at the wire level!")
+        else:
+            return super().bom_hash
+
+    @property
+    def description(self) -> str:
+        if self.category == "bundle":
+            raise Exception("Do this at the wire level!")
+        else:
+            substrs = [
+                ("", "Cable"),
+                (", ", self.type),
+                (", ", self.subtype),
+                (", ", self.wirecount),
+                (" ", f"x {self.gauge_str}" if self.gauge else "wires"),
+                (" ", "shielded" if self.shield else None),
+                (", ", str(self.color) if self.color else None),
+            ]
+            desc = "".join(
+                [f"{s[0]}{s[1]}" for s in substrs if s[1] is not None and s[1] != ""]
+            )
+            return desc
+
+    def _get_wire_partnumber(self, idx) -> PartNumberInfo:
+        def _get_correct_element(inp, idx):
+            return inp[idx] if isinstance(inp, List) else inp
+
+        # TODO: possibly make more robust/elegant
+        if self.category == "bundle":
+            return PartNumberInfo(
+                _get_correct_element(self.partnumbers.pn, idx),
+                _get_correct_element(self.partnumbers.manufacturer, idx),
+                _get_correct_element(self.partnumbers.mpn, idx),
+                _get_correct_element(self.partnumbers.supplier, idx),
+                _get_correct_element(self.partnumbers.spn, idx),
+            )
+        else:
+            return None  # non-bundles do not support lists of part data
+
+    def __post_init__(self) -> None:
+        super().__post_init__()
+
+        self.bgcolor_title = SingleColor(self.bgcolor_title)
+        self.color = MultiColor(self.color)
+
+        # cables do not support custom qty or amount
+        if self.qty is None:
+            self.qty = 1
+        if self.qty != 1:
+            raise Exception("Cable qty != 1 not supported")
+
+        if isinstance(self.image, dict):
+            self.image = Image(**self.image)
+
+        # TODO:
+        # allow gauge, length, and other fields to be lists too (like part numbers),
+        # and assign them the same way to bundles.
+
+        self.gauge = parse_number_and_unit(self.gauge, "mm2")
+        self.length = parse_number_and_unit(self.length, "m")
+        self.amount = self.length  # for BOM
+
+        if self.wirecount:  # number of wires explicitly defined
+            if self.colors:  # use custom color palette (partly or looped if needed)
+                self.colors = [
+                    self.colors[i % len(self.colors)] for i in range(self.wirecount)
+                ]
+            elif self.color_code:
+                # use standard color palette (partly or looped if needed)
+                if self.color_code not in COLOR_CODES:
+                    raise Exception("Unknown color code")
+                self.colors = [
+                    get_color_by_colorcode_index(self.color_code, i)
+                    for i in range(self.wirecount)
+                ]
+            else:  # no colors defined, add dummy colors
+                self.colors = [""] * self.wirecount
+
+        else:  # wirecount implicit in length of color list
+            if not self.colors:
+                raise Exception(
+                    "Unknown number of wires. "
+                    "Must specify wirecount or colors (implicit length)"
+                )
+            self.wirecount = len(self.colors)
+
+        if self.wirelabels:
+            if self.shield and "s" in self.wirelabels:
+                raise Exception(
+                    '"s" may not be used as a wire label for a shielded cable.'
+                )
+
+        # if lists of part numbers are provided,
+        # check this is a bundle and that it matches the wirecount.
+        for idfield in [self.manufacturer, self.mpn, self.supplier, self.spn, self.pn]:
+            if isinstance(idfield, list):
+                if self.category == "bundle":
+                    # check the length
+                    if len(idfield) != self.wirecount:
+                        raise Exception("lists of part data must match wirecount")
+                else:
+                    raise Exception("lists of part data are only supported for bundles")
+
+        # all checks have passed
+        wire_tuples = zip_longest(
+            # TODO: self.wire_ids
+            self.colors,
+            self.wirelabels,
+        )
+        for wire_index, (wire_color, wire_label) in enumerate(wire_tuples):
+            id = wire_index + 1
+            self.wire_objects[id] = WireClass(
+                parent=self.designator,
+                # wire-specific properties
+                index=wire_index,  # TODO: wire_id
+                id=id,  # TODO: wire_id
+                label=wire_label,
+                color=MultiColor(wire_color),
+                # inheritable from parent cable
+                type=self.type,
+                subtype=self.subtype,
+                gauge=self.gauge,
+                length=self.length,
+                sum_amounts_in_bom=self.sum_amounts_in_bom,
+                ignore_in_bom=self.ignore_in_bom,
+                partnumbers=self._get_wire_partnumber(wire_index),
+            )
+
+        if self.shield:
+            index_offset = len(self.wire_objects)
+            # TODO: add support for multiple shields
+            id = "s"
+            self.wire_objects[id] = ShieldClass(
+                index=index_offset,
+                id=id,
+                label="Shield",
+                color=(
+                    MultiColor(self.shield)
+                    if isinstance(self.shield, str)
+                    else MultiColor(None)
+                ),
+                parent=self.designator,
+            )
+
+        if self.show_name is None:
+            self.show_name = not self.is_autogenerated
+
+        if self.show_wirenumbers is None:
+            # by default, show wire numbers for cables, hide for bundles
+            self.show_wirenumbers = self.category != "bundle"
+
+        for i, item in enumerate(self.additional_components):
+            if isinstance(item, dict):
+                self.additional_components[i] = AdditionalComponent(**item)
+
+    def _connect(
+        self,
+        from_pin_obj: List[PinClass],
+        via_wire_id: str,
+        to_pin_obj: List[PinClass],
+    ) -> None:
+        via_wire_obj = self.wire_objects[via_wire_id]
+        self._connections.append(Connection(from_pin_obj, via_wire_obj, to_pin_obj))
+
+    def compute_qty_multipliers(self):
+        # do not run before all connections in harness have been made!
+        total_length = sum(
+            [
+                wire.length.number if wire.length else 0
+                for wire in self.wire_objects.values()
+            ]
+        )
+        qty_multipliers_computed = {
+            "WIRECOUNT": len(self.wire_objects),
+            # "TERMINATIONS": ___,  # TODO
+            "LENGTH": self.length.number if self.length else 0,
+            "TOTAL_LENGTH": total_length,
+        }
+        for subitem in self.additional_components:
+            if isinstance(subitem.qty_multiplier, QtyMultiplierCable):
+                computed_factor = qty_multipliers_computed[subitem.qty_multiplier.name]
+                if subitem.qty_multiplier.name in ["LENGTH", "TOTAL_LENGTH"]:
+                    # since length can have a unit, use amount fields to hold
+                    if subitem.amount is not None:
+                        raise Exception(
+                            f"No amount may be specified when using "
+                            f"{subitem.qty_multiplier.name} as a multiplier."
+                        )
+                    subitem.qty_computed = subitem.qty if subitem.qty else 1
+                    subitem.amount_computed = NumberAndUnit(
+                        computed_factor, self.length.unit
+                    )
+                else:
+                    # multiplier unrelated to length, therefore no unit
+                    if subitem.qty is not None:
+                        subitem.qty_computed = subitem.qty * computed_factor
+                    else:
+                        subitem.qty_computed = computed_factor
+                    subitem.amount_computed = subitem.amount
+
+            elif isinstance(subitem.qty_multiplier, QtyMultiplierConnector):
+                raise Exception("Used a connector multiplier in a cable!")
+            else:  # int or float
+                if subitem.qty is not None:
+                    subitem.qty_computed = subitem.qty * subitem.qty_multiplier
+                else:
+                    subitem.qty_computed = subitem.qty_multiplier
+                subitem.amount_computed = subitem.amount
+
+
+@dataclass
+class MatePin:
+    from_: PinClass
+    to: PinClass
+    arrow: Arrow
+
+
+@dataclass
+class MateComponent:
+    from_: str  # Designator
+    to: str  # Designator
+    arrow: Arrow

src/wireviz/wv_graphviz.py

@@ -0,0 +1,632 @@
+# -*- coding: utf-8 -*-
+
+import re
+import warnings
+from itertools import zip_longest
+from typing import Any, List, Optional, Tuple, Union
+
+from wireviz import APP_NAME, APP_URL, __version__
+from wireviz.wv_bom import partnumbers2list
+from wireviz.wv_colors import MultiColor
+from wireviz.wv_dataclasses import (
+    ArrowDirection,
+    ArrowWeight,
+    Cable,
+    Component,
+    Connector,
+    MateComponent,
+    MatePin,
+    Options,
+    PartNumberInfo,
+    ShieldClass,
+    WireClass,
+)
+from wireviz.wv_html import Img, Table, Td, Tr
+from wireviz.wv_utils import html_line_breaks, remove_links
+
+
+def gv_node_component(component: Component) -> Table:
+    # If no wires connected (except maybe loop wires)?
+    if isinstance(component, Connector):
+        if not (component.ports_left or component.ports_right):
+            component.ports_left = True  # Use left side pins by default
+
+    # generate all rows to be shown in the node
+    if component.show_name:
+        str_name = f"{remove_links(component.designator)}"
+        line_name = Td(str_name, bgcolor=component.bgcolor_title.html)
+    else:
+        line_name = None
+
+    line_pn = partnumbers2list(component.partnumbers)
+
+    is_simple_connector = (
+        isinstance(component, Connector) and component.style == "simple"
+    )
+
+    if isinstance(component, Connector):
+        line_info = [
+            bom_bubble(component.bom_id),
+            html_line_breaks(component.type),
+            html_line_breaks(component.subtype),
+            f"{component.pincount}-pin" if component.show_pincount else None,
+            str(component.color) if component.color else None,
+        ]
+    elif isinstance(component, Cable):
+        line_info = [
+            bom_bubble(component.bom_id) if component.category != "bundle" else None,
+            html_line_breaks(component.type),
+            f"{component.wirecount}x" if component.show_wirecount else None,
+            component.gauge_str_with_equiv,
+            "+ S" if component.shield else None,
+            component.length_str,
+            str(component.color) if component.color else None,
+        ]
+
+    if component.additional_parameters:
+        line_additional_parameters = nested_table_dict(component.additional_parameters)
+    else:
+        line_additional_parameters = []
+
+    if component.color:
+        line_info.extend(colorbar_cells(component.color))
+
+    line_image, line_image_caption = image_and_caption_cells(component)
+    line_additional_component_table = gv_additional_component_table(component)
+    line_notes = [Td(html_line_breaks(component.notes), balign="left")]
+
+    if isinstance(component, Connector):
+        if component.style != "simple":
+            line_ports = gv_pin_table(component)
+        else:
+            line_ports = None
+    elif isinstance(component, Cable):
+        line_ports = gv_conductor_table(component)
+
+    lines = [
+        line_name,
+        line_pn,
+        line_info,
+        line_additional_parameters,
+        line_ports,
+        line_image,
+        line_image_caption,
+        line_additional_component_table,
+        line_notes,
+    ]
+
+    tbl = nested_table(lines)
+    if is_simple_connector:
+        # Simple connectors have no pin table, and therefore, no ports to attach wires to.
+        # Manually assign left and right ports here if required.
+        # Use table itself for right port, and the first cell for left port.
+        # Even if the table only has one cell, two separate ports can still be assigned.
+        tbl.update_attribs(port="p1r")
+        first_cell_in_tbl = tbl.contents[0].contents
+        first_cell_in_tbl.update_attribs(port="p1l")
+
+    return tbl
+
+
+def gv_additional_component_table(component):
+    if not component.additional_components:
+        return None
+
+    rows = []
+    for subitem in component.additional_components:
+
+        if subitem.explicit_qty:
+            text_qty, unit_qty = subitem.qty_computed, "x"
+            if subitem.amount_computed is not None:
+                text_desc = f"{subitem.amount_computed.number} {subitem.amount_computed.unit} {subitem.description}"
+            else:
+                text_desc = f"{subitem.description}"
+        else:
+            if subitem.amount_computed is not None:
+                text_qty, unit_qty = (
+                    subitem.amount_computed.number,
+                    subitem.amount_computed.unit,
+                )
+            else:
+                text_qty, unit_qty = "1", "x"
+            text_desc = subitem.description
+
+        firstline = [
+            Td(bom_bubble(subitem.bom_id)),
+            Td(text_qty, align="right"),
+            Td(unit_qty, align="left"),
+            Td(text_desc, align="left"),
+            Td(f"{subitem.note if subitem.note else ''}", align="left"),
+        ]
+        rows.append(Tr(firstline))
+
+        if subitem.has_pn_info:
+            pn_list = partnumbers2list(subitem.partnumbers)
+            secondline = [
+                Td("", colspan=3),
+                Td(", ".join(pn for pn in pn_list if pn), align="left"),
+                Td(""),
+            ]
+            rows.append(Tr(secondline))
+
+    return Table(rows, border=1, cellborder=0, cellpadding=3, cellspacing=0)
+
+
+def calculate_node_bgcolor(component, harness_options):
+    # assign component node bgcolor at the GraphViz node level
+    # instead of at the HTML table level for better rendering of node outline
+    if component.bgcolor:
+        return component.bgcolor.html
+    elif isinstance(component, Connector) and harness_options.bgcolor_connector:
+        return harness_options.bgcolor_connector.html
+    elif (
+        isinstance(component, Cable)
+        and component.category == "bundle"
+        and harness_options.bgcolor_bundle
+    ):
+        return harness_options.bgcolor_bundle.html
+    elif isinstance(component, Cable) and harness_options.bgcolor_cable:
+        return harness_options.bgcolor_cable.html
+
+
+def bom_bubble(id) -> Table:
+    if id is None:
+        return None
+    else:
+        # TODO: activate BOM bubbles
+        return None
+        # size and style of BOM bubble is optimized to be a rounded square,
+        # big enough to hold any two-digit ID without GraphViz warnings
+        text = id
+        # text = f'<FONT COLOR="#FFFFFF">{id}</FONT>'
+        return Table(
+            Tr(
+                Td(
+                    text,
+                    border=1,
+                    cellpadding=0,
+                    fixedsize="true",
+                    style="rounded",
+                    height=20,
+                    width=20,
+                    # bgcolor="#000000",
+                )
+            ),
+            border=0,
+        )
+
+
+def make_list_of_cells(inp) -> List[Td]:
+    # inp may be List,
+    if isinstance(inp, List):
+        # ensure all list items are Td
+        list_out = [item if isinstance(item, Td) else Td(item) for item in inp]
+        return list_out
+    else:
+        if inp is None:
+            return []
+        if isinstance(inp, Td):
+            return [inp]
+        else:
+            return [Td(inp)]
+
+
+def nested_table(lines: List[Td]) -> Table:
+    cell_lists = [make_list_of_cells(line) for line in lines]
+    rows = []
+
+    for lst in cell_lists:
+        if len(lst) == 0:
+            continue  # no cells in list
+        cells = [item for item in lst if item.contents is not None]
+        if len(cells) == 0:
+            continue  # no cells in list, or all cells are None
+        if (
+            len(cells) == 1
+            and isinstance(cells[0].contents, Table)
+            and not "!" in cells[0].contents.attribs.get("id", "")
+        ):
+            # cell content is already a table, no need to re-wrap it;
+            # unless explicitly asked to by a "!" in the ID field
+            # as used by image_and_caption_cells()
+            inner_table = cells[0].contents
+        else:
+            # nest cell content inside a table
+            inner_table = Table(
+                Tr(cells), border=0, cellborder=1, cellpadding=3, cellspacing=0
+            )
+        rows.append(Tr(Td(inner_table)))
+
+    if len(rows) == 0:  # create dummy row to avoid GraphViz errors due to empty <table>
+        inner_table = Table(
+            Tr(Td("")), border=0, cellborder=1, cellpadding=3, cellspacing=0
+        )
+        rows = [Tr(Td(inner_table))]
+    tbl = Table(rows, border=0, cellspacing=0, cellpadding=0)
+    return tbl
+
+
+def nested_table_dict(d: dict) -> Table:
+    rows = []
+    for k, v in d.items():
+        rows.append(
+            Tr(
+                [
+                    Td(k, align="left", balign="left", valign="top"),
+                    Td(html_line_breaks(v), align="left", balign="left"),
+                ]
+            )
+        )
+    return Table(rows, border=0, cellborder=1, cellpadding=3, cellspacing=0)
+
+
+def gv_pin_table(component) -> Table:
+    pin_rows = []
+    for pin in component.pin_objects.values():
+        if component.should_show_pin(pin.id):
+            pin_rows.append(gv_pin_row(pin, component))
+    if len(pin_rows) == 0:
+        # TODO: write test for empty pin tables, and for unconnected connectors that hide disconnected pins
+        pass
+    tbl = Table(pin_rows, border=0, cellborder=1, cellpadding=3, cellspacing=0)
+    return tbl
+
+
+def gv_pin_row(pin, connector) -> Tr:
+    # ports in GraphViz are 1-indexed for more natural maping to pin/wire numbers
+    has_pincolors = any([_pin.color for _pin in connector.pin_objects.values()])
+    cells = [
+        Td(pin.id, port=f"p{pin.index+1}l") if connector.ports_left else None,
+        Td(pin.label, delete_if_empty=True),
+        Td(str(pin.color) if pin.color else "", sides="TBL") if has_pincolors else None,
+        Td(color_minitable(pin.color), sides="TBR") if has_pincolors else None,
+        Td(pin.id, port=f"p{pin.index+1}r") if connector.ports_right else None,
+    ]
+    return Tr(cells)
+
+
+def gv_connector_loops(connector: Connector) -> List:
+    loop_edges = []
+    if connector.ports_left:
+        loop_side = "l"
+        loop_dir = "w"
+    elif connector.ports_right:
+        loop_side = "r"
+        loop_dir = "e"
+    else:
+        raise Exception("No side for loops")
+    for loop in connector.loops:
+        head = f"{connector.designator}:p{loop[0]}{loop_side}:{loop_dir}"
+        tail = f"{connector.designator}:p{loop[1]}{loop_side}:{loop_dir}"
+        loop_edges.append((head, tail))
+    return loop_edges
+
+
+def gv_conductor_table(cable) -> Table:
+    rows = []
+    rows.append(Tr(Td("&nbsp;")))  # spacer row on top
+
+    inserted_break_inbetween = False
+    for wire in cable.wire_objects.values():
+        # insert blank space between wires and shields
+        if isinstance(wire, ShieldClass) and not inserted_break_inbetween:
+            rows.append(Tr(Td("&nbsp;")))  # spacer row between wires and shields
+            inserted_break_inbetween = True
+
+        # row above the wire
+        wireinfo = []
+        if cable.show_wirenumbers and not isinstance(wire, ShieldClass):
+            wireinfo.append(str(wire.id))
+        wireinfo.append(str(wire.color))
+        wireinfo.append(wire.label)
+
+        ins, outs = [], []
+        for conn in cable._connections:
+            if conn.via.id == wire.id:
+                if conn.from_ is not None:
+                    ins.append(str(conn.from_))
+                if conn.to is not None:
+                    outs.append(str(conn.to))
+
+        cells_above = [
+            Td(" " + ", ".join(ins), align="left"),
+            Td(" "),  # increase cell spacing here
+            Td(bom_bubble(wire.bom_id)) if cable.category == "bundle" else None,
+            Td(":".join([wi for wi in wireinfo if wi is not None and wi != ""])),
+            Td(" "),  # increase cell spacing here
+            Td(", ".join(outs) + " ", align="right"),
+        ]
+        cells_above = [cell for cell in cells_above if cell is not None]
+        rows.append(Tr(cells_above))
+
+        # the wire itself
+        rows.append(Tr(gv_wire_cell(wire, len(cells_above))))
+
+        # row below the wire
+        if wire.partnumbers:
+            cells_below = partnumbers2list(
+                wire.partnumbers, parent_partnumbers=cable.partnumbers
+            )
+            if cells_below is not None and len(cells_below) > 0:
+                table_below = (
+                    Table(
+                        Tr([Td(cell) for cell in cells_below]),
+                        border=0,
+                        cellborder=0,
+                        cellspacing=0,
+                    ),
+                )
+                rows.append(Tr(Td(table_below, colspan=len(cells_above))))
+
+    rows.append(Tr(Td("&nbsp;")))  # spacer row on bottom
+    tbl = Table(rows, border=0, cellborder=0, cellspacing=0)
+    return tbl
+
+
+def gv_wire_cell(wire: Union[WireClass, ShieldClass], colspan: int) -> Td:
+    if wire.color:
+        color_list = ["#000000"] + wire.color.html_padded_list + ["#000000"]
+    else:
+        color_list = ["#000000"]
+
+    wire_inner_rows = []
+    for j, bgcolor in enumerate(color_list[::-1]):
+        wire_inner_cell_attribs = {
+            "bgcolor": bgcolor if bgcolor != "" else "#000000",
+            "border": 0,
+            "cellpadding": 0,
+            "colspan": colspan,
+            "height": 2,
+        }
+        wire_inner_rows.append(Tr(Td("", **wire_inner_cell_attribs)))
+    wire_inner_table = Table(wire_inner_rows, border=0, cellborder=0, cellspacing=0)
+    wire_outer_cell_attribs = {
+        "border": 0,
+        "cellspacing": 0,
+        "cellpadding": 0,
+        "colspan": colspan,
+        "height": 2 * len(color_list),
+        "port": f"w{wire.index+1}",
+    }
+    # ports in GraphViz are 1-indexed for more natural maping to pin/wire numbers
+    wire_outer_cell = Td(wire_inner_table, **wire_outer_cell_attribs)
+
+    return wire_outer_cell
+
+
+def gv_edge_wire(harness, cable, connection) -> Tuple[str, str, str, str, str]:
+    if connection.via.color:
+        # check if it's an actual wire and not a shield
+        color = f"#000000:{connection.via.color.html_padded}:#000000"
+    else:  # it's a shield connection
+        color = "#000000"
+
+    if connection.from_ is not None:  # connect to left
+        from_port_str = (
+            f":p{connection.from_.index+1}r"
+            if harness.connectors[connection.from_.parent].style != "simple"
+            else ""
+        )
+        code_left_1 = f"{connection.from_.parent}{from_port_str}:e"
+        code_left_2 = f"{connection.via.parent}:w{connection.via.index+1}:w"
+        # ports in GraphViz are 1-indexed for more natural maping to pin/wire numbers
+    else:
+        code_left_1, code_left_2 = None, None
+
+    if connection.to is not None:  # connect to right
+        to_port_str = (
+            f":p{connection.to.index+1}l"
+            if harness.connectors[connection.to.parent].style != "simple"
+            else ""
+        )
+        code_right_1 = f"{connection.via.parent}:w{connection.via.index+1}:e"
+        code_right_2 = f"{connection.to.parent}{to_port_str}:w"
+    else:
+        code_right_1, code_right_2 = None, None
+
+    return color, code_left_1, code_left_2, code_right_1, code_right_2
+
+
+def parse_arrow_str(inp: str) -> ArrowDirection:
+    if inp[0] == "<" and inp[-1] == ">":
+        return ArrowDirection.BOTH
+    elif inp[0] == "<":
+        return ArrowDirection.BACK
+    elif inp[-1] == ">":
+        return ArrowDirection.FORWARD
+    else:
+        return ArrowDirection.NONE
+
+
+def gv_edge_mate(mate) -> Tuple[str, str, str, str]:
+    if mate.arrow.weight == ArrowWeight.SINGLE:
+        color = "#000000"
+    elif mate.arrow.weight == ArrowWeight.DOUBLE:
+        color = "#000000:#000000"
+
+    dir = mate.arrow.direction.name.lower()
+
+    if isinstance(mate, MatePin):
+        from_pin_index = mate.from_.index
+        from_port_str = f":p{from_pin_index+1}r"
+        from_designator = mate.from_.parent
+        to_pin_index = mate.to.index
+        to_port_str = f":p{to_pin_index+1}l"
+        to_designator = mate.to.parent
+    elif isinstance(mate, MateComponent):
+        from_designator = mate.from_
+        from_port_str = ""
+        to_designator = mate.to
+        to_port_str = ""
+    else:
+        raise Exception(f"Unknown type of mate:\n{mate}")
+
+    code_from = f"{from_designator}{from_port_str}:e"
+    code_to = f"{to_designator}{to_port_str}:w"
+
+    return color, dir, code_from, code_to
+
+
+def colorbar_cells(color, mini=False) -> List[Td]:
+    cells = []
+    mini = {"height": 8, "width": 8, "fixedsize": "true"} if mini else {}
+    for index, subcolor in enumerate(color.colors):
+        sides_l = "L" if index == 0 else ""
+        sides_r = "R" if index == len(color.colors) - 1 else ""
+        sides = "TB" + sides_l + sides_r
+        cells.append(Td("", bgcolor=subcolor.html, sides=sides, **mini))
+    return cells
+
+
+def color_minitable(color: Optional[MultiColor]) -> Union[Table, str]:
+    if color is None or len(color) == 0:
+        return ""
+
+    cells = colorbar_cells(color, mini=True)
+
+    return Table(
+        Tr(cells),
+        border=0,
+        cellborder=1,
+        cellspacing=0,
+        height=8,
+        width=8 * len(cells),
+        fixedsize="true",
+    )
+
+
+def image_and_caption_cells(component: Component) -> Tuple[Td, Td]:
+    if not component.image:
+        return (None, None)
+
+    image_tag = Img(scale=component.image.scale, src=component.image.src)
+    image_cell_inner = Td(image_tag, flat=True)
+    if component.image.fixedsize:
+        # further nest the image in a table with width/height/fixedsize parameters,
+        # and place that table in a cell
+        image_cell_inner.update_attribs(**html_size_attr_dict(component.image))
+        image_cell = Td(
+            Table(Tr(image_cell_inner), border=0, cellborder=0, cellspacing=0, id="!")
+        )
+    else:
+        image_cell = image_cell_inner
+
+    image_cell.update_attribs(
+        balign="left",
+        bgcolor=component.image.bgcolor.html,
+        sides="TLR" if component.image.caption else None,
+    )
+
+    if component.image.caption:
+        caption_cell = Td(
+            f"{html_line_breaks(component.image.caption)}", balign="left", sides="BLR"
+        )
+    else:
+        caption_cell = None
+    return (image_cell, caption_cell)
+
+
+def html_size_attr_dict(image):
+    # Return Graphviz HTML attributes to specify minimum or fixed size of a TABLE or TD object
+    pass
+
+    attr_dict = {}
+    if image:
+        if image.width:
+            attr_dict["width"] = image.width
+        if image.height:
+            attr_dict["height"] = image.height
+        if image.fixedsize:
+            attr_dict["fixedsize"] = "true"
+    return attr_dict
+
+
+def set_dot_basics(dot, options):
+    dot.body.append(f"// Graph generated by {APP_NAME} {__version__}\n")
+    dot.body.append(f"// {APP_URL}\n")
+    dot.attr(
+        "graph",
+        rankdir="LR",
+        ranksep="2",
+        bgcolor=options.bgcolor.html,
+        nodesep="0.33",
+        fontname=options.fontname,
+    )
+    dot.attr(
+        "node",
+        shape="none",
+        width="0",
+        height="0",
+        margin="0",  # Actual size of the node is entirely determined by the label.
+        style="filled",
+        fillcolor=options.bgcolor_node.html,
+        fontname=options.fontname,
+    )
+    dot.attr("edge", style="bold", fontname=options.fontname)
+
+
+def apply_dot_tweaks(dot, tweak):
+    def typecheck(name: str, value: Any, expect: type) -> None:
+        if not isinstance(value, expect):
+            raise Exception(
+                f"Unexpected value type of {name}: "
+                f"Expected {expect}, got {type(value)}\n{value}"
+            )
+
+    # TODO?: Differ between override attributes and HTML?
+    if tweak.override is not None:
+        typecheck("tweak.override", tweak.override, dict)
+        for k, d in tweak.override.items():
+            typecheck(f"tweak.override.{k} key", k, str)
+            typecheck(f"tweak.override.{k} value", d, dict)
+            for a, v in d.items():
+                typecheck(f"tweak.override.{k}.{a} key", a, str)
+                typecheck(f"tweak.override.{k}.{a} value", v, (str, type(None)))
+
+        # Override generated attributes of selected entries matching tweak.override.
+        for i, entry in enumerate(dot.body):
+            if not isinstance(entry, str):
+                continue
+            # Find a possibly quoted keyword after leading TAB(s) and followed by [ ].
+            match = re.match(r'^\t*(")?((?(1)[^"]|[^ "])+)(?(1)") \[.*\]$', entry, re.S)
+            keyword = match and match[2]
+            if not keyword in tweak.override.keys():
+                continue
+
+            for attr, value in tweak.override[keyword].items():
+                if value is None:
+                    entry, n_subs = re.subn(
+                        f'( +)?{attr}=("[^"]*"|[^] ]*)(?(1)| *)', "", entry
+                    )
+                    if n_subs < 1:
+                        warnings.warn(f"tweak: {attr} not found in {keyword}!")
+                    elif n_subs > 1:
+                        warnings.warn(
+                            f"tweak: {attr} removed {n_subs} times in {keyword}!"
+                        )
+                    continue
+
+                if len(value) == 0 or " " in value:
+                    value = value.replace('"', r"\"")
+                    value = f'"{value}"'
+                entry, n_subs = re.subn(
+                    f'{attr}=("[^"]*"|[^] ]*)', f"{attr}={value}", entry
+                )
+                if n_subs < 1:
+                    # If attr not found, then append it
+                    entry = re.sub(r"\]$", f" {attr}={value}]", entry)
+                elif n_subs > 1:
+                    warnings.warn(
+                        f"tweak: {attr} overridden {n_subs} times in {keyword}!"
+                    )
+
+            dot.body[i] = entry
+
+    if tweak.append is not None:
+        if isinstance(tweak.append, list):
+            for i, element in enumerate(tweak.append, 1):
+                typecheck(f"tweak.append[{i}]", element, str)
+            dot.body.extend(tweak.append)
+        else:
+            typecheck("tweak.append", tweak.append, str)
+            dot.body.append(tweak.append)

src/wireviz/wv_gv_html.py

@@ -1,111 +0,0 @@
-# -*- coding: utf-8 -*-
-
-import re
-from typing import List, Optional, Union
-
-from wireviz.DataClasses import Color
-from wireviz.wv_colors import translate_color
-from wireviz.wv_helper import remove_links
-
-
-def nested_html_table(
-    rows: List[Union[str, List[Optional[str]], None]], table_attrs: str = ""
-) -> str:
-    # input: list, each item may be scalar or list
-    # output: a parent table with one child table per parent item that is list, and one cell per parent item that is scalar
-    # purpose: create the appearance of one table, where cell widths are independent between rows
-    # attributes in any leading <tdX> inside a list are injected into to the preceeding <td> tag
-    html = []
-    html.append(
-        f'<table border="0" cellspacing="0" cellpadding="0"{table_attrs or ""}>'
-    )
-
-    num_rows = 0
-    for row in rows:
-        if isinstance(row, List):
-            if len(row) > 0 and any(row):
-                html.append(" <tr><td>")
-                # fmt: off
-                html.append('  <table border="0" cellspacing="0" cellpadding="3" cellborder="1"><tr>')
-                # fmt: on
-                for cell in row:
-                    if cell is not None:
-                        # Inject attributes to the preceeding <td> tag where needed
-                        # fmt: off
-                        html.append(f'   <td balign="left">{cell}</td>'.replace("><tdX", ""))
-                        # fmt: on
-                html.append("  </tr></table>")
-                html.append(" </td></tr>")
-                num_rows = num_rows + 1
-        elif row is not None:
-            html.append(" <tr><td>")
-            html.append(f"  {row}")
-            html.append(" </td></tr>")
-            num_rows = num_rows + 1
-    if num_rows == 0:  # empty table
-        # generate empty cell to avoid GraphViz errors
-        html.append("<tr><td></td></tr>")
-    html.append("</table>")
-    return html
-
-
-def html_bgcolor_attr(color: Color) -> str:
-    """Return attributes for bgcolor or '' if no color."""
-    return f' bgcolor="{translate_color(color, "HEX")}"' if color else ""
-
-
-def html_bgcolor(color: Color, _extra_attr: str = "") -> str:
-    """Return <td> attributes prefix for bgcolor or '' if no color."""
-    return f"<tdX{html_bgcolor_attr(color)}{_extra_attr}>" if color else ""
-
-
-def html_colorbar(color: Color) -> str:
-    """Return <tdX> attributes prefix for bgcolor and minimum width or None if no color."""
-    return html_bgcolor(color, ' width="4"') if color else None
-
-
-def html_image(image):
-    from wireviz.DataClasses import Image
-
-    if not image:
-        return None
-    # The leading attributes belong to the preceeding tag. See where used below.
-    html = f'{html_size_attr(image)}><img scale="{image.scale}" src="{image.src}"/>'
-    if image.fixedsize:
-        # Close the preceeding tag and enclose the image cell in a table without
-        # borders to avoid narrow borders when the fixed width < the node width.
-        html = f""">
-    <table border="0" cellspacing="0" cellborder="0"><tr>
-     <td{html}</td>
-    </tr></table>
-   """
-    return f"""<tdX{' sides="TLR"' if image.caption else ''}{html_bgcolor_attr(image.bgcolor)}{html}"""
-
-
-def html_caption(image):
-    from wireviz.DataClasses import Image
-
-    return (
-        f'<tdX sides="BLR"{html_bgcolor_attr(image.bgcolor)}>{html_line_breaks(image.caption)}'
-        if image and image.caption
-        else None
-    )
-
-
-def html_size_attr(image):
-    from wireviz.DataClasses import Image
-
-    # Return Graphviz HTML attributes to specify minimum or fixed size of a TABLE or TD object
-    return (
-        (
-            (f' width="{image.width}"' if image.width else "")
-            + (f' height="{image.height}"' if image.height else "")
-            + (' fixedsize="true"' if image.fixedsize else "")
-        )
-        if image
-        else ""
-    )
-
-
-def html_line_breaks(inp):
-    return remove_links(inp).replace("\n", "<br />") if isinstance(inp, str) else inp

src/wireviz/wv_harness.py

@@ -0,0 +1,441 @@
+# -*- coding: utf-8 -*-
+
+from collections import defaultdict
+from dataclasses import dataclass, field
+from pathlib import Path
+from typing import List, Union
+
+from graphviz import Graph
+
+import wireviz.wv_colors
+from wireviz.wv_bom import BomCategory, BomEntry, bom_list, print_bom_table
+from wireviz.wv_dataclasses import (
+    AUTOGENERATED_PREFIX,
+    AdditionalBomItem,
+    Arrow,
+    ArrowWeight,
+    Cable,
+    Component,
+    Connector,
+    MateComponent,
+    MatePin,
+    Metadata,
+    Options,
+    Side,
+    TopLevelGraphicalComponent,
+    Tweak,
+)
+from wireviz.wv_graphviz import (
+    apply_dot_tweaks,
+    calculate_node_bgcolor,
+    gv_connector_loops,
+    gv_edge_mate,
+    gv_edge_wire,
+    gv_node_component,
+    parse_arrow_str,
+    set_dot_basics,
+)
+from wireviz.wv_output import (
+    embed_svg_images,
+    embed_svg_images_file,
+    generate_html_output,
+)
+from wireviz.wv_utils import bom2tsv, open_file_write
+
+
+@dataclass
+class Harness:
+    metadata: Metadata
+    options: Options
+    tweak: Tweak
+    additional_bom_items: List[AdditionalBomItem] = field(default_factory=list)
+
+    def __post_init__(self):
+        self.connectors = {}
+        self.cables = {}
+        self.mates = []
+        self.bom = defaultdict(dict)
+        self.additional_bom_items = []
+
+    def add_connector(self, designator: str, *args, **kwargs) -> None:
+        conn = Connector(designator=designator, *args, **kwargs)
+        self.connectors[designator] = conn
+
+    def add_cable(self, designator: str, *args, **kwargs) -> None:
+        cbl = Cable(designator=designator, *args, **kwargs)
+        self.cables[designator] = cbl
+
+    def add_additional_bom_item(self, item: dict) -> None:
+        new_item = AdditionalBomItem(**item)
+        self.additional_bom_items.append(new_item)
+
+    def add_mate_pin(self, from_name, from_pin, to_name, to_pin, arrow_str) -> None:
+        from_con = self.connectors[from_name]
+        from_pin_obj = from_con.pin_objects[from_pin]
+        to_con = self.connectors[to_name]
+        to_pin_obj = to_con.pin_objects[to_pin]
+        arrow = Arrow(direction=parse_arrow_str(arrow_str), weight=ArrowWeight.SINGLE)
+
+        self.mates.append(MatePin(from_pin_obj, to_pin_obj, arrow))
+        self.connectors[from_name].activate_pin(
+            from_pin, Side.RIGHT, is_connection=False
+        )
+        self.connectors[to_name].activate_pin(to_pin, Side.LEFT, is_connection=False)
+
+    def add_mate_component(self, from_name, to_name, arrow_str) -> None:
+        arrow = Arrow(direction=parse_arrow_str(arrow_str), weight=ArrowWeight.SINGLE)
+        self.mates.append(MateComponent(from_name, to_name, arrow))
+
+    def populate_bom(self):  # called once harness creation is complete
+        # helper lists
+        all_toplevel_items = (
+            list(self.connectors.values())
+            + list(self.cables.values())
+            + self.additional_bom_items
+        )
+        all_subitems = [
+            subitem
+            for item in all_toplevel_items
+            for subitem in item.additional_components
+        ]
+        all_bom_relevant_items = (
+            list(self.connectors.values())
+            + [cable for cable in self.cables.values() if cable.category != "bundle"]
+            + [
+                wire
+                for cable in self.cables.values()
+                if cable.category == "bundle"
+                for wire in cable.wire_objects.values()
+            ]
+            + all_subitems
+        )
+
+        # add items to BOM
+        for item in all_toplevel_items:
+            self._add_to_internal_bom(item)  # nested subitems are also handled
+        # sort BOM by category first, then alphabetically by description within category
+        self.bom = dict(
+            sorted(
+                self.bom.items(),
+                key=lambda x: (
+                    x[1]["category"],
+                    x[0].description,
+                ),  # x[0] = key, x[1] = value
+            )
+        )
+        # assign BOM IDs
+        for id, key in enumerate(self.bom.keys(), 1):
+            self.bom[key]["id"] = id
+        # set BOM IDs within components (for BOM bubbles)
+        for item in all_bom_relevant_items:
+            if item.ignore_in_bom:
+                continue
+            if not item.bom_hash in self.bom:
+                print(f"{item}'s hash' not found in BOM dict.")  # Should not happen
+                continue
+            item.bom_id = self.bom[item.bom_hash]["id"]
+
+    def _add_to_internal_bom(self, item: Component):
+        if item.ignore_in_bom:
+            return
+
+        def _add(hash, qty, designator=None, category=None):
+            bom_entry = self.bom[hash]
+            # initialize missing fields
+            if not "qty" in bom_entry:
+                bom_entry["qty"] = 0
+            if not "designators" in bom_entry:
+                bom_entry["designators"] = set()
+            # update fields
+            bom_entry["qty"] += qty
+            if designator is None:
+                designator_list = []
+            elif isinstance(designator, list):
+                designator_list = designator
+            else:
+                designator_list = [designator]
+            for des in designator_list:
+                if des and not des.startswith(AUTOGENERATED_PREFIX):
+                    bom_entry["designators"].add(des)
+            bom_entry["category"] = category
+
+        if isinstance(item, TopLevelGraphicalComponent):
+            if isinstance(item, Connector):
+                cat = BomCategory.CONNECTOR
+            elif isinstance(item, Cable):
+                if item.category == "bundle":
+                    cat = BomCategory.WIRE
+                else:
+                    cat = BomCategory.CABLE
+            else:
+                cat = ""
+
+            if item.category == "bundle":
+                # wires of a bundle are added as individual BOM entries
+                for subitem in item.wire_objects.values():
+                    _add(
+                        hash=subitem.bom_hash,
+                        qty=item.qty,  # should be 1
+                        designator=item.designator,  # inherit from parent item
+                        category=cat,
+                    )
+            else:
+                _add(
+                    hash=item.bom_hash,
+                    qty=item.qty,  # should be 1
+                    designator=item.designator,
+                    category=cat,
+                )
+
+            if item.additional_components:
+                item.compute_qty_multipliers()
+
+                for comp in item.additional_components:
+                    if comp.ignore_in_bom:
+                        continue
+
+                    if comp.sum_amounts_in_bom:
+                        if comp.amount_computed:
+                            total_qty = comp.qty_computed * comp.amount_computed.number
+                        else:
+                            total_qty = comp.qty_computed
+                    else:
+                        total_qty = comp.qty_computed
+                    _add(
+                        hash=comp.bom_hash,
+                        designator=item.designator,
+                        qty=total_qty,
+                        # no explicit qty specified; assume qty = 1
+                        # used to simplify add.comp. table within parent node
+                        # e.g. show "10 mm Heatshrink" instead of "1x 10 mm Heatshrink"
+                        category=BomCategory.ADDITIONAL_INSIDE,
+                    )
+        elif isinstance(item, AdditionalBomItem):
+            cat = BomCategory.ADDITIONAL_OUTSIDE
+            _add(
+                hash=item.bom_hash,
+                qty=item.qty,
+                designator=None,
+                category=cat,
+            )
+        else:
+            raise Exception(f"Unknown type of item:\n{item}")
+
+    def connect(
+        self,
+        from_name: str,
+        from_pin: Union[int, str],
+        via_name: str,
+        via_wire: Union[int, str],
+        to_name: str,
+        to_pin: Union[int, str],
+    ) -> None:
+        # check from and to connectors
+        for name, pin in zip([from_name, to_name], [from_pin, to_pin]):
+            if name is not None and name in self.connectors:
+                connector = self.connectors[name]
+                # check if provided name is ambiguous
+                if pin in connector.pins and pin in connector.pinlabels:
+                    if connector.pins.index(pin) != connector.pinlabels.index(pin):
+                        raise Exception(
+                            f"{name}:{pin} is defined both in pinlabels and pins, "
+                            "for different pins."
+                        )
+                    # TODO: Maybe issue a warning if present in both lists
+                    # but referencing the same pin?
+                if pin in connector.pinlabels:
+                    if connector.pinlabels.count(pin) > 1:
+                        raise Exception(f"{name}:{pin} is defined more than once.")
+                    index = connector.pinlabels.index(pin)
+                    pin = connector.pins[index]  # map pin name to pin number
+                    if name == from_name:
+                        from_pin = pin
+                    if name == to_name:
+                        to_pin = pin
+                if not pin in connector.pins:
+                    raise Exception(f"{name}:{pin} not found.")
+
+        # check via cable
+        if via_name in self.cables:
+            cable = self.cables[via_name]
+            # check if provided name is ambiguous
+            if via_wire in cable.colors and via_wire in cable.wirelabels:
+                if cable.colors.index(via_wire) != cable.wirelabels.index(via_wire):
+                    raise Exception(
+                        f"{via_name}:{via_wire} is defined both in colors and wirelabels, "
+                        "for different wires."
+                    )
+                # TODO: Maybe issue a warning if present in both lists
+                # but referencing the same wire?
+            if via_wire in cable.colors:
+                if cable.colors.count(via_wire) > 1:
+                    raise Exception(
+                        f"{via_name}:{via_wire} is used for more than one wire."
+                    )
+                # list index starts at 0, wire IDs start at 1
+                via_wire = cable.colors.index(via_wire) + 1
+            elif via_wire in cable.wirelabels:
+                if cable.wirelabels.count(via_wire) > 1:
+                    raise Exception(
+                        f"{via_name}:{via_wire} is used for more than one wire."
+                    )
+                via_wire = (
+                    cable.wirelabels.index(via_wire) + 1
+                )  # list index starts at 0, wire IDs start at 1
+
+        # perform the actual connection
+        if from_name is not None:
+            from_con = self.connectors[from_name]
+            from_pin_obj = from_con.pin_objects[from_pin]
+        else:
+            from_pin_obj = None
+        if to_name is not None:
+            to_con = self.connectors[to_name]
+            to_pin_obj = to_con.pin_objects[to_pin]
+        else:
+            to_pin_obj = None
+
+        self.cables[via_name]._connect(from_pin_obj, via_wire, to_pin_obj)
+        if from_name in self.connectors:
+            self.connectors[from_name].activate_pin(from_pin, Side.RIGHT)
+        if to_name in self.connectors:
+            self.connectors[to_name].activate_pin(to_pin, Side.LEFT)
+
+    def create_graph(self) -> Graph:
+        dot = Graph()
+        set_dot_basics(dot, self.options)
+
+        for connector in self.connectors.values():
+            # generate connector node
+            gv_html = gv_node_component(connector)
+            gv_html.update_attribs(
+                bgcolor=calculate_node_bgcolor(connector, self.options)
+            )
+            dot.node(
+                connector.designator,
+                label=f"<\n{gv_html}\n>",
+                shape="box",
+                style="filled",
+            )
+            # generate edges for connector loops
+            if len(connector.loops) > 0:
+                dot.attr("edge", color="#000000")
+                loops = gv_connector_loops(connector)
+                for head, tail in loops:
+                    dot.edge(head, tail)
+
+        # determine if there are double- or triple-colored wires in the harness;
+        # if so, pad single-color wires to make all wires of equal thickness
+        wire_is_multicolor = [
+            len(wire.color) > 1
+            for cable in self.cables.values()
+            for wire in cable.wire_objects.values()
+        ]
+        if any(wire_is_multicolor):
+            wireviz.wv_colors.padding_amount = 3
+        else:
+            wireviz.wv_colors.padding_amount = 1
+
+        for cable in self.cables.values():
+            # generate cable node
+            # TODO: PN info for bundles (per wire)
+            gv_html = gv_node_component(cable)
+            gv_html.update_attribs(bgcolor=calculate_node_bgcolor(cable, self.options))
+            style = "filled,dashed" if cable.category == "bundle" else "filled"
+            dot.node(
+                cable.designator,
+                label=f"<\n{gv_html}\n>",
+                shape="box",
+                style=style,
+            )
+
+            # generate wire edges between component nodes and cable nodes
+            for connection in cable._connections:
+                color, l1, l2, r1, r2 = gv_edge_wire(self, cable, connection)
+                dot.attr("edge", color=color)
+                if not (l1, l2) == (None, None):
+                    dot.edge(l1, l2)
+                if not (r1, r2) == (None, None):
+                    dot.edge(r1, r2)
+
+        for mate in self.mates:
+            color, dir, code_from, code_to = gv_edge_mate(mate)
+
+            dot.attr("edge", color=color, style="dashed", dir=dir)
+            dot.edge(code_from, code_to)
+
+        apply_dot_tweaks(dot, self.tweak)
+
+        return dot
+
+    # cache for the GraphViz Graph object
+    # do not access directly, use self.graph instead
+    _graph = None
+
+    @property
+    def graph(self):
+        if not self._graph:  # no cached graph exists, generate one
+            self._graph = self.create_graph()
+        return self._graph  # return cached graph
+
+    @property
+    def png(self):
+        from io import BytesIO
+
+        graph = self.graph
+        data = BytesIO()
+        data.write(graph.pipe(format="png"))
+        data.seek(0)
+        return data.read()
+
+    @property
+    def svg(self):
+        graph = self.graph
+        return embed_svg_images(graph.pipe(format="svg").decode("utf-8"), Path.cwd())
+
+    def output(
+        self,
+        filename: Union[str, Path],
+        view: bool = False,
+        cleanup: bool = True,
+        fmt: tuple = ("html", "png", "svg", "tsv"),
+    ) -> None:
+        # graphical output
+        graph = self.graph
+        for f in fmt:
+            if f in ("png", "svg", "html"):
+                if f == "html":  # if HTML format is specified,
+                    f = "svg"  # generate SVG for embedding into HTML
+                # SVG file will be renamed/deleted later
+                _filename = f"{filename}.tmp" if f == "svg" else filename
+                # TODO: prevent rendering SVG twice when both SVG and HTML are specified
+                graph.format = f
+                graph.render(filename=_filename, view=view, cleanup=cleanup)
+        # embed images into SVG output
+        if "svg" in fmt or "html" in fmt:
+            embed_svg_images_file(f"{filename}.tmp.svg")
+        # GraphViz output
+        if "gv" in fmt:
+            graph.save(filename=f"{filename}.gv")
+        # BOM output
+        bomlist = bom_list(self.bom)
+        # bomlist = [[]]
+        if "tsv" in fmt:
+            tsv = bom2tsv(bomlist)
+            open_file_write(f"{filename}.tsv").write(tsv)
+        if "csv" in fmt:
+            # TODO: implement CSV output (preferrably using CSV library)
+            print("CSV output is not yet supported")
+        # HTML output
+        if "html" in fmt:
+            generate_html_output(filename, bomlist, self.metadata, self.options)
+        # PDF output
+        if "pdf" in fmt:
+            # TODO: implement PDF output
+            print("PDF output is not yet supported")
+        # delete SVG if not needed
+        if "html" in fmt and not "svg" in fmt:
+            # SVG file was just needed to generate HTML
+            Path(f"{filename}.tmp.svg").unlink()
+        elif "svg" in fmt:
+            Path(f"{filename}.tmp.svg").replace(f"{filename}.svg")

src/wireviz/wv_html.py

@@ -1,119 +1,125 @@
 # -*- coding: utf-8 -*-
 
-import re
+from collections.abc import Iterable
-from pathlib import Path
+from dataclasses import dataclass, field
-from typing import Dict, List, Union
+from typing import Dict
 
-from wireviz import APP_NAME, APP_URL, __version__, wv_colors
+indent_count = 1
-from wireviz.DataClasses import Metadata, Options
-from wireviz.wv_gv_html import html_line_breaks
-from wireviz.wv_helper import (
-    flatten2d,
-    open_file_read,
-    open_file_write,
-    smart_file_resolve,
-)
 
 
-def generate_html_output(
+class Attribs(Dict):
-    filename: Union[str, Path],
+    def __repr__(self):
-    bom_list: List[List[str]],
+        if len(self) == 0:
-    metadata: Metadata,
+            return ""
-    options: Options,
-):
 
-    # load HTML template
+        html = []
-    templatename = metadata.get("template", {}).get("name")
+        for k, v in self.items():
-    if templatename:
+            if v is not None:
-        # if relative path to template was provided, check directory of YAML file first, fall back to built-in template directory
+                html.append(f' {k}="{v}"')
-        templatefile = smart_file_resolve(
+            # else:
-            f"{templatename}.html",
+            #     html.append(f" {k}")
-            [Path(filename).parent, Path(__file__).parent / "templates"],
+        return "".join(html)
-        )
+
+
+@dataclass
+class Tag:
+    contents = None
+    attribs: Attribs = field(default_factory=Attribs)
+    flat: bool = None
+    delete_if_empty: bool = False
+
+    def __init__(self, contents, flat=None, delete_if_empty=False, **kwargs):
+        self.contents = contents
+        self.flat = flat
+        self.delete_if_empty = delete_if_empty
+        self.attribs = Attribs({**kwargs})
+
+    def update_attribs(self, **kwargs):
+        for k, v in kwargs.items():
+            self.attribs[k] = v
+
+    @property
+    def tagname(self):
+        return type(self).__name__.lower()
+
+    @property
+    def auto_flat(self):
+        if self.flat is not None:  # user specified
+            return self.flat
+        if not _is_iterable_not_str(self.contents):  # catch str, int, float, ...
+            if not isinstance(self.contents, Tag):  # avoid recursion
+                return not "\n" in str(self.contents)  # flatten if single line
+
+    @property
+    def is_empty(self):
+        return self.get_contents(force_flat=True) == ""
+
+    def indent_lines(self, lines, force_flat=False):
+        if self.auto_flat or force_flat:
+            return lines
         else:
-        # fall back to built-in simple template if no template was provided
+            indenter = " " * indent_count
-        templatefile = Path(__file__).parent / "templates/simple.html"
+            return "\n".join(f"{indenter}{line}" for line in lines.split("\n"))
 
-    html = open_file_read(templatefile).read()
+    def get_contents(self, force_flat=False):
-
+        separator = "" if self.auto_flat or force_flat else "\n"
-    # embed SVG diagram
+        if _is_iterable_not_str(self.contents):
-    with open_file_read(f"{filename}.tmp.svg") as file:
+            return separator.join(
-        svgdata = re.sub(
+                [
-            "^<[?]xml [^?>]*[?]>[^<]*<!DOCTYPE [^>]*>",
+                    self.indent_lines(str(c), force_flat)
-            "<!-- XML and DOCTYPE declarations from SVG file removed -->",
+                    for c in self.contents
-            file.read(),
+                    if c is not None
-            1,
+                ]
             )
+        elif self.contents is None:
+            return ""
+        else:  # str, int, float, etc.
+            return self.indent_lines(str(self.contents), force_flat)
 
-    # generate BOM table
+    def __repr__(self):
-    bom = flatten2d(bom_list)
+        separator = "" if self.auto_flat else "\n"
+        if self.delete_if_empty and self.is_empty:
+            return ""
+        else:
+            html = [
+                f"<{self.tagname}{str(self.attribs)}>",
+                f"{self.get_contents()}",
+                f"</{self.tagname}>",
+            ]
+            html_joined = separator.join(html)
+            return html_joined
 
-    # generate BOM header (may be at the top or bottom of the table)
-    bom_header_html = "  <tr>\n"
-    for item in bom[0]:
-        th_class = f"bom_col_{item.lower()}"
-        bom_header_html = f'{bom_header_html}    <th class="{th_class}">{item}</th>\n'
-    bom_header_html = f"{bom_header_html}  </tr>\n"
 
-    # generate BOM contents
+@dataclass
-    bom_contents = []
+class TagSingleton(Tag):
-    for row in bom[1:]:
+    def __init__(self, **kwargs):
-        row_html = "  <tr>\n"
+        self.attribs = Attribs({**kwargs})
-        for i, item in enumerate(row):
-            td_class = f"bom_col_{bom[0][i].lower()}"
-            row_html = f'{row_html}    <td class="{td_class}">{item}</td>\n'
-        row_html = f"{row_html}  </tr>\n"
-        bom_contents.append(row_html)
 
-    bom_html = (
+    def __repr__(self):
-        '<table class="bom">\n' + bom_header_html + "".join(bom_contents) + "</table>\n"
+        return f"<{self.tagname}{str(self.attribs)} />"
-    )
-    bom_html_reversed = (
-        '<table class="bom">\n'
-        + "".join(list(reversed(bom_contents)))
-        + bom_header_html
-        + "</table>\n"
-    )
 
-    # prepare simple replacements
-    replacements = {
-        "<!-- %generator% -->": f"{APP_NAME} {__version__} - {APP_URL}",
-        "<!-- %fontname% -->": options.fontname,
-        "<!-- %bgcolor% -->": wv_colors.translate_color(options.bgcolor, "hex"),
-        "<!-- %diagram% -->": svgdata,
-        "<!-- %bom% -->": bom_html,
-        "<!-- %bom_reversed% -->": bom_html_reversed,
-        "<!-- %sheet_current% -->": "1",  # TODO: handle multi-page documents
-        "<!-- %sheet_total% -->": "1",  # TODO: handle multi-page documents
-    }
 
-    # prepare metadata replacements
+def _is_iterable_not_str(inp):
-    if metadata:
+    # str is iterable, but should be treated as not iterable
-        for item, contents in metadata.items():
+    return isinstance(inp, Iterable) and not isinstance(inp, str)
-            if isinstance(contents, (str, int, float)):
-                replacements[f"<!-- %{item}% -->"] = html_line_breaks(str(contents))
-            elif isinstance(contents, Dict):  # useful for authors, revisions
-                for index, (category, entry) in enumerate(contents.items()):
-                    if isinstance(entry, Dict):
-                        replacements[f"<!-- %{item}_{index+1}% -->"] = str(category)
-                        for entry_key, entry_value in entry.items():
-                            replacements[
-                                f"<!-- %{item}_{index+1}_{entry_key}% -->"
-                            ] = html_line_breaks(str(entry_value))
 
-        replacements['"sheetsize_default"'] = '"{}"'.format(
-            metadata.get("template", {}).get("sheetsize", "")
-        )
-        # include quotes so no replacement happens within <style> definition
 
-    # perform replacements
+@dataclass
-    # regex replacement adapted from:
+class Br(TagSingleton):
-    # https://gist.github.com/bgusach/a967e0587d6e01e889fd1d776c5f3729
+    pass
 
-    # longer replacements first, just in case
-    replacements_sorted = sorted(replacements, key=len, reverse=True)
-    replacements_escaped = map(re.escape, replacements_sorted)
-    pattern = re.compile("|".join(replacements_escaped))
-    html = pattern.sub(lambda match: replacements[match.group(0)], html)
 
-    open_file_write(f"{filename}.html").write(html)
+class Img(TagSingleton):
+    pass
+
+
+class Td(Tag):
+    pass
+
+
+class Tr(Tag):
+    pass
+
+
+class Table(Tag):
+    pass

src/wireviz/wv_output.py

@@ -0,0 +1,164 @@
+# -*- coding: utf-8 -*-
+
+import base64
+import re
+from pathlib import Path
+from typing import Dict, List, Union
+
+import wireviz  # for doing wireviz.__file__
+from wireviz import APP_NAME, APP_URL, __version__
+from wireviz.wv_dataclasses import Metadata, Options
+from wireviz.wv_utils import (
+    html_line_breaks,
+    open_file_read,
+    open_file_write,
+    smart_file_resolve,
+)
+
+mime_subtype_replacements = {"jpg": "jpeg", "tif": "tiff"}
+
+
+def embed_svg_images(svg_in: str, base_path: Union[str, Path] = Path.cwd()) -> str:
+    images_b64 = {}  # cache of base64-encoded images
+
+    def image_tag(pre: str, url: str, post: str) -> str:
+        return f'<image{pre} xlink:href="{url}"{post}>'
+
+    def replace(match: re.Match) -> str:
+        imgurl = match["URL"]
+        if not imgurl in images_b64:  # only encode/cache every unique URL once
+            imgurl_abs = (Path(base_path) / imgurl).resolve()
+            image = imgurl_abs.read_bytes()
+            images_b64[imgurl] = base64.b64encode(image).decode("utf-8")
+        return image_tag(
+            match["PRE"] or "",
+            f"data:image/{get_mime_subtype(imgurl)};base64, {images_b64[imgurl]}",
+            match["POST"] or "",
+        )
+
+    pattern = re.compile(
+        image_tag(r"(?P<PRE> [^>]*?)?", r'(?P<URL>[^"]*?)', r"(?P<POST> [^>]*?)?"),
+        re.IGNORECASE,
+    )
+    return pattern.sub(replace, svg_in)
+
+
+def get_mime_subtype(filename: Union[str, Path]) -> str:
+    mime_subtype = Path(filename).suffix.lstrip(".").lower()
+    if mime_subtype in mime_subtype_replacements:
+        mime_subtype = mime_subtype_replacements[mime_subtype]
+    return mime_subtype
+
+
+def embed_svg_images_file(
+    filename_in: Union[str, Path], overwrite: bool = True
+) -> None:
+    filename_in = Path(filename_in).resolve()
+    filename_out = filename_in.with_suffix(".b64.svg")
+    filename_out.write_text(
+        embed_svg_images(filename_in.read_text(), filename_in.parent)
+    )
+    if overwrite:
+        filename_out.replace(filename_in)
+
+
+def generate_html_output(
+    filename: Union[str, Path],
+    bom: List[List[str]],
+    metadata: Metadata,
+    options: Options,
+):
+    # load HTML template
+    templatename = metadata.get("template", {}).get("name")
+    if templatename:
+        # if relative path to template was provided,
+        # check directory of YAML file first, fall back to built-in template directory
+        templatefile = smart_file_resolve(
+            f"{templatename}.html",
+            [Path(filename).parent, Path(__file__).parent / "templates"],
+        )
+    else:
+        # fall back to built-in simple template if no template was provided
+        templatefile = Path(wireviz.__file__).parent / "templates/simple.html"
+
+    html = open_file_read(templatefile).read()
+
+    # embed SVG diagram
+    with open_file_read(f"{filename}.tmp.svg") as file:
+        svgdata = re.sub(
+            "^<[?]xml [^?>]*[?]>[^<]*<!DOCTYPE [^>]*>",
+            "<!-- XML and DOCTYPE declarations from SVG file removed -->",
+            file.read(),
+            1,
+        )
+
+    # generate BOM table
+    # generate BOM header (may be at the top or bottom of the table)
+    bom_header_html = "  <tr>\n"
+    for item in bom[0]:
+        th_class = f"bom_col_{item.lower()}"
+        bom_header_html = f'{bom_header_html}    <th class="{th_class}">{item}</th>\n'
+    bom_header_html = f"{bom_header_html}  </tr>\n"
+
+    # generate BOM contents
+    bom_contents = []
+    for row in bom[1:]:
+        row_html = "  <tr>\n"
+        for i, item in enumerate(row):
+            td_class = f"bom_col_{bom[0][i].lower()}"
+            row_html = f'{row_html}    <td class="{td_class}">{item if item is not None else ""}</td>\n'
+        row_html = f"{row_html}  </tr>\n"
+        bom_contents.append(row_html)
+
+    bom_html = (
+        '<table class="bom">\n' + bom_header_html + "".join(bom_contents) + "</table>\n"
+    )
+    bom_html_reversed = (
+        '<table class="bom">\n'
+        + "".join(list(reversed(bom_contents)))
+        + bom_header_html
+        + "</table>\n"
+    )
+
+    # prepare simple replacements
+    replacements = {
+        "<!-- %generator% -->": f"{APP_NAME} {__version__} - {APP_URL}",
+        "<!-- %fontname% -->": options.fontname,
+        "<!-- %bgcolor% -->": options.bgcolor.html,
+        "<!-- %diagram% -->": svgdata,
+        "<!-- %bom% -->": bom_html,
+        "<!-- %bom_reversed% -->": bom_html_reversed,
+        "<!-- %sheet_current% -->": "1",  # TODO: handle multi-page documents
+        "<!-- %sheet_total% -->": "1",  # TODO: handle multi-page documents
+    }
+
+    # prepare metadata replacements
+    if metadata:
+        for item, contents in metadata.items():
+            if isinstance(contents, (str, int, float)):
+                replacements[f"<!-- %{item}% -->"] = html_line_breaks(str(contents))
+            elif isinstance(contents, Dict):  # useful for authors, revisions
+                for index, (category, entry) in enumerate(contents.items()):
+                    if isinstance(entry, Dict):
+                        replacements[f"<!-- %{item}_{index+1}% -->"] = str(category)
+                        for entry_key, entry_value in entry.items():
+                            replacements[
+                                f"<!-- %{item}_{index+1}_{entry_key}% -->"
+                            ] = html_line_breaks(str(entry_value))
+
+        replacements['"sheetsize_default"'] = '"{}"'.format(
+            metadata.get("template", {}).get("sheetsize", "")
+        )
+        # include quotes so no replacement happens within <style> definition
+
+    # perform replacements
+    # regex replacement adapted from:
+    # https://gist.github.com/bgusach/a967e0587d6e01e889fd1d776c5f3729
+
+    # longer replacements first, just in case
+    replacements_sorted = sorted(replacements, key=len, reverse=True)
+    replacements_escaped = map(re.escape, replacements_sorted)
+    pattern = re.compile("|".join(replacements_escaped))
+    html = pattern.sub(lambda match: replacements[match.group(0)], html)
+
+    open_file_write(f"{filename}.html").write(html)

src/wireviz/wv_utils.py

@@ -1,8 +1,11 @@
 # -*- coding: utf-8 -*-
 
 import re
+from collections import namedtuple
 from pathlib import Path
-from typing import Dict, List
+from typing import List, Optional, Union
+
+NumberAndUnit = namedtuple("NumberAndUnit", "number unit")
 
 awg_equiv_table = {
     "0.09": "28",
@@ -70,9 +73,40 @@ def expand(yaml_data):
 
 
 def get_single_key_and_value(d: dict):
-    k = list(d.keys())[0]
+    # used for defining a line in a harness' connection set
-    v = d[k]
+    # E.g. for the YAML input `- X1: 1`
-    return (k, v)
+    # this function returns a tuple in the form ("X1", "1")
+    return next(iter(d.items()))
+
+
+def parse_number_and_unit(
+    inp: Optional[Union[NumberAndUnit, float, int, str]],
+    default_unit: Optional[str] = None,
+) -> Optional[NumberAndUnit]:
+    if inp is None:
+        return None
+    elif isinstance(inp, NumberAndUnit):
+        return inp
+    elif isinstance(inp, float) or isinstance(inp, int):
+        return NumberAndUnit(inp, default_unit)
+    elif isinstance(inp, str):
+        if " " in inp:
+            num_str, unit = inp.split(" ", 1)
+        else:
+            num_str, unit = inp, default_unit
+
+        try:
+            number = int(num_str)
+        except ValueError:  # maybe it is a float?
+            try:
+                number = float(num_str)
+            except ValueError:  # neither float nor int
+                raise Exception(
+                    f"{inp} is not a valid number and unit.\n"
+                    "It must be a number, or a number and unit separated by a space."
+                )
+
+        return NumberAndUnit(number, unit)
 
 
 def int2tuple(inp):
@@ -90,16 +124,20 @@ def flatten2d(inp):
     ]
 
 
-def tuplelist2tsv(inp, header=None):
+def bom2tsv(inp, header=None):
     output = ""
     if header is not None:
         inp.insert(0, header)
-    inp = flatten2d(inp)
     for row in inp:
+        row = [item if item is not None else "" for item in row]
         output = output + "\t".join(str(remove_links(item)) for item in row) + "\n"
     return output
 
 
+def html_line_breaks(inp):
+    return remove_links(inp).replace("\n", "<br />") if isinstance(inp, str) else inp
+
+
 def remove_links(inp):
     return (
         re.sub(r"<[aA] [^>]*>([^<]*)</[aA]>", r"\1", inp)
@@ -154,7 +192,7 @@ def aspect_ratio(image_src):
     return 1  # Assume 1:1 when unable to read actual image size
 
 
-def smart_file_resolve(filename: str, possible_paths: (str, List[str])) -> Path:
+def smart_file_resolve(filename: str, possible_paths: Union[str, List[str]]) -> Path:
     if not isinstance(possible_paths, List):
         possible_paths = [possible_paths]
     filename = Path(filename)

tests/.gitignore

@@ -0,0 +1,8 @@
+*.gv
+*.html
+*.png
+*.svg
+*.tsv
+*.csv
+*.html
+*.pdf

tests/bom/bomqty.yml

@@ -0,0 +1,55 @@
+connectors:
+  X1:
+    type: No additional components
+    pincount: 6
+
+  X2:
+    type: Contains additional components
+    pincount: 6
+    additional_components:
+      - type: One, no unit
+      - type: Two kilometers
+        amount: 2 km
+      - type: Takes pincount times seven
+        qty: 7
+        qty_multiplier: pincount
+      - type: Takes 10 mm per populated pin
+        amount: 10 mm
+        qty_multiplier: populated
+      - type: Takes number of connections
+        qty_multiplier: connections
+
+cables:
+  C1:
+    type: Containts additional components
+    wirecount: 4
+    length: 1.5
+    color_code: DIN
+    additional_components:
+      - type: One
+      - type: Three centimeters
+        amount: 3 cm
+      - type: Takes wirecount times two
+        qty: 2
+        qty_multiplier: wirecount
+      - type: Takes length times three
+        qty: 3
+        # adding amount here should cause error because the length already has a unit
+        qty_multiplier: length
+      - type: Takes total length times three
+        qty: 2
+        # adding amount here should cause error because the length already has a unit
+        qty_multiplier: total_length
+
+  W2:
+    category: bundle
+    wirecount: 2
+    colors: [tomato, skyblue]
+
+connections:
+  - - X1: [1-3]
+    - C1: [1-3]
+    - X2: [1-3]
+  - - X1: [3, 4]
+    - W2: [1, 2]
+    - X2: [3, 4]

tests/rendering/00_minimal.yml

@@ -0,0 +1,26 @@
+connectors:
+  X1:
+    pincount: 4
+  X2:
+    pincount: 4
+  X3:
+    pincount: 2
+  F:
+    style: simple
+
+cables:
+  C1:
+    wirecount: 4
+  W2:
+    wirecount: 2
+    category: bundle
+
+connections:
+  -
+    - X1: [1-4]
+    - C1: [1-4]
+    - X2: [1-4]
+  -
+    - X3: [1,2]
+    - W2: [1,2]
+    - F.

tests/rendering/01_color_single.yml

@@ -0,0 +1,32 @@
+connectors:
+  X1:  # shorthand color codes
+    color: BK
+    pincount: 4
+    pincolors: [RD, YE, GN, BU]
+  X2:  # HTML color codes
+    color: 0xFFFFFF
+    pincount: 4
+    pincolors: [0xFF8000, 0x00FF80, 0x8000FF]  # no color for last pin
+  X3:  # HTML color names
+    color: red
+    pincount: 4
+    pincolors: [deeppink, tomato, salmon, indianred]
+  F:
+    style: simple
+    color: BN
+
+cables:
+  C1:
+    wirecount: 4
+    color: GY
+    colors: [OG, OL, LB, PK]
+
+connections:
+  -
+    - X1: [1-4]
+    - C1: [1-4]
+    - X2: [1-4]
+    - <--
+    - X3: [1-4]
+    - --
+    - F.

tests/rendering/02_color_multi.yml

@@ -0,0 +1,35 @@
+connectors:
+  X1:
+    color: YEGN
+    pincount: 4
+    pincolors: [WHBK, BKWH, GNYE, GNWHRD]
+  X2:
+    color: 0xCCCCCC:0x333333
+    pincount: 4
+    pincolors: [0xFF8000:0x80FF00, 0x00FF80, 0x8000FF]
+  X3:
+    color: red:yellow
+    pincount: 4
+    pincolors: [deeppink, tomato, salmon, indianred]
+  F:
+    style: simple
+    color: IVTQ
+
+cables:
+  C1:
+    wirecount: 4
+    color: GDSR
+    colors: [RDYE, YEGN, GNBU, BURD]
+  C2:
+    wirecount: 4
+    colors: [0xFF8000:0x80FF00, YEGN, GNBU, BURD]
+
+connections:
+  -
+    - X1: [1-4]
+    - C1: [1-4]
+    - X2: [1-4]
+    - C2: [1-4]
+    - X3: [1-4]
+    - --
+    - F.

tests/rendering/03_bgcolors.yml

@@ -0,0 +1,51 @@
+options:
+  bgcolor_connector: 0xFFCCCC
+  bgcolor_cable: 0xCCFFCC
+  bgcolor_bundle: 0xCCCCFF
+
+
+connectors:
+  X1:
+    pincount: 4
+    bgcolor: 0xFF9999
+    bgcolor_title: 0xFF6666
+  X2:
+    pincount: 4
+  X3:
+    pincount: 4
+    color: GN
+  X:
+    pincount: 2
+  F:
+    style: simple
+
+cables:
+  C1:
+    wirecount: 4
+    bgcolor: 0x99FF99
+    bgcolor_title: 0x66FF66
+  C2:
+    wirecount: 4
+    color: PK
+  W1:
+    wirecount: 2
+    category: bundle
+  W2:
+    wirecount: 2
+    category: bundle
+    bgcolor: 0x9999FF
+    bgcolor_title: 0x6666FF
+
+connections:
+  -
+    - X1: [1-4]
+    - C1: [1-4]
+    - X2: [1-4]
+    - C2: [1-4]
+    - X3: [1-4]
+  -
+    - X.X4: [1,2]
+    - W1: [1,2]
+    - X.X5: [1,2]
+    - W2: [1,2]
+    - F.

tutorial/readme.md

@@ -189,7 +189,6 @@ connectors:
     subtype: female
   F1:
     style: simple
-    autogenerate: true
     type: Crimp ferrule
     subtype: 0.5 mm²
     color: OG # optional color
@@ -203,7 +202,7 @@ cables:
 
 connections:
   -
-    - F1 # a new ferrule is auto-generated for each of the four wires
+    - F1. # a new ferrule is auto-generated for each of the four wires
     - W1: [1-4]
     - X1: [1-4]
 ```
@@ -228,13 +227,11 @@ connectors:
     subtype: female
   F_10: # this is a unique ferrule
     style: simple
-    show_name: false # non-autogenerated connectors show their name by default; override
     type: Crimp ferrule
     subtype: 1.0 mm²
     color: YE # optional color
   F_05: # this is a ferrule that will be auto-generated on demand
     style: simple
-    autogenerate: true
     type: Crimp ferrule
     subtype: 0.5 mm²
     color: OG
@@ -248,7 +245,7 @@ cables:
 
 connections:
     -
-      - [F_05, F_10, F_10, F_05]
+      - [F_05., F_10.F1, F_10.F1, F_05.]
       - W1: [1-4]
       - X1: [1-4]
 ```

tutorial/tutorial01.html

@@ -3,11 +3,34 @@
   <meta charset="UTF-8">
   <meta name="generator" content="WireViz 0.4-dev - https://github.com/formatc1702/WireViz">
   <title>tutorial01</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>tutorial01</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
+<div id="description">
+  <!-- %description% -->
+</div>
+
+<div id="diagram">
+  <!-- XML and DOCTYPE declarations from SVG file removed -->
+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
  -->
 <!-- Pages: 1 -->
 <svg width="489pt" height="192pt"
@@ -143,28 +166,40 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 4 wires</td>
+    <td class="bom_col_description">Cable, 4 wires</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, 4 pins</td>
+    <td class="bom_col_description">Connector, 4 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1, X2</td>
+    <td class="bom_col_designators">X1, X2</td>
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 </table>
+
+</div>
+
 </body></html>

tutorial/tutorial01.svg

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tutorial/tutorial02.html

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   <title>tutorial02</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
+  </style>
+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>tutorial02</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
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+  <!-- %description% -->
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+<div id="diagram">
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+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
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 <!-- Pages: 1 -->
 <svg width="857pt" height="192pt"
@@ -153,28 +176,40 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 4 x 0.25 mm&sup2;</td>
+    <td class="bom_col_description">Cable, 4 x 0.25 mm²</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 4 pins</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 4 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1, X2</td>
+    <td class="bom_col_designators">X1, X2</td>
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 </table>
+
+</div>
+
 </body></html>

tutorial/tutorial02.svg

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tutorial/tutorial03.html

@@ -3,11 +3,34 @@
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   <title>tutorial03</title>
-</head><body style="font-family:arial;background-color:#FFFFFF">
+  <style>
+
+    #bom table, th, td {
+      border: 1px solid black;
+      border-collapse: collapse;
+    }
+
+    #bom th, td {
+      padding: 4px;
+      text-align: left;
+    }
+
+    .bom_col_qty {
+      text-align: right;
+    }
+
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+</head><body style="font-family:arial;background-color:#ffffff">
 <h1>tutorial03</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
+
-<!-- Generated by graphviz version 2.49.0 (20210828.1703)
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+  <!-- %description% -->
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+<!-- Generated by graphviz version 2.49.1 (20210923.0004)
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 <!-- Pages: 1 -->
 <svg width="887pt" height="232pt"
@@ -180,28 +203,40 @@
 </g>
 </g>
 </svg>
+
+</div>
+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 4 x 0.25 mm&sup2; shielded</td>
+    <td class="bom_col_description">Cable, 4 x 0.25 mm² shielded</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
+    <td class="bom_col_qty">1</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 4 pins</td>
+    <td class="bom_col_description">Connector, Molex KK 254, female, 4 pins</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1, X2</td>
+    <td class="bom_col_designators">X1, X2</td>
   </tr>
 </table>
+
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 </body></html>

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tutorial/tutorial04.html

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 <h1>tutorial04</h1>
 <h2>Diagram</h2>
-<!-- XML and DOCTYPE declarations from SVG file removed -->
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@@ -311,35 +334,47 @@
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 </g>
 </svg>
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 <h2>Bill of Materials</h2>
-<table style="border:1px solid #000000; font-size: 14pt; border-spacing: 0px">
+
+<div id="bom">
+  <table class="bom">
   <tr>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Id</th>
+    <th class="bom_col_id">Id</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Description</th>
+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
+    <th class="bom_col_designators">Designators</th>
   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">1</td>
+    <td class="bom_col_id">1</td>
-  <td style="border:1px solid #000000; padding: 4px">Cable, 4 x 24 AWG</td>
+    <td class="bom_col_description">Cable, 4 x 24 AWG</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.4</td>
+    <td class="bom_col_qty">0.4</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1, W2</td>
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   </tr>
   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
+    <td class="bom_col_id">2</td>
-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, female, 4 pins</td>
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-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
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   <tr>
-  <td style="border:1px solid #000000; padding: 4px">3</td>
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-  <td style="border:1px solid #000000; padding: 4px">Connector, Molex KK 254, male, 4 pins</td>
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+
+<div id="notes">
+  <!-- %notes% -->
+</div>
+
 <h2>Bill of Materials</h2>
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+
+<div id="bom">
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+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Unit</th>
+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
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-  <td style="border:1px solid #000000; padding: 4px"></td>
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   <tr>
-  <td style="border:1px solid #000000; padding: 4px">2</td>
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-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
-  <td style="border:1px solid #000000; padding: 4px">X1</td>
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-  <td style="border:1px solid #000000; padding: 4px">3</td>
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-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.5 mm&sup2;, BK</td>
+    <td class="bom_col_description">Wire, 0.5 mm², BK</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.6</td>
+    <td class="bom_col_qty">0.6</td>
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+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
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-  <td style="border:1px solid #000000; padding: 4px">4</td>
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-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.5 mm&sup2;, RD</td>
+    <td class="bom_col_description">Wire, 0.5 mm², RD</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.3</td>
+    <td class="bom_col_qty">0.3</td>
-  <td style="border:1px solid #000000; padding: 4px">m</td>
+    <td class="bom_col_unit">m</td>
-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
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   <tr>
-  <td style="border:1px solid #000000; padding: 4px">5</td>
+    <td class="bom_col_id">5</td>
-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.5 mm&sup2;, YE</td>
+    <td class="bom_col_description">Wire, 0.5 mm², YE</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.3</td>
+    <td class="bom_col_qty">0.3</td>
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-  <td style="border:1px solid #000000; padding: 4px">W1</td>
+    <td class="bom_col_designators">W1</td>
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+
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+  <!-- %notes% -->
+</div>
+
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+
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+    <th class="bom_col_description">Description</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Qty</th>
+    <th class="bom_col_qty">Qty</th>
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+    <th class="bom_col_unit">Unit</th>
-  <th style="text-align:left; border:1px solid #000000; padding: 8px">Designators</th>
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+    <td class="bom_col_description">Connector, Crimp ferrule, 0.5 mm², OG</td>
-  <td style="border:1px solid #000000; padding: 4px; text-align:right">2</td>
+    <td class="bom_col_qty">2</td>
-  <td style="border:1px solid #000000; padding: 4px"></td>
+    <td class="bom_col_unit"></td>
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+    <td class="bom_col_designators"></td>
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   <tr>
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-  <td style="border:1px solid #000000; padding: 4px">Connector, Crimp ferrule, 1.0 mm&sup2;, YE</td>
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-  <td style="border:1px solid #000000; padding: 4px; text-align:right">1</td>
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-  <td style="border:1px solid #000000; padding: 4px">Wire, 0.5 mm&sup2;, BK</td>
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-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.6</td>
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   <tr>
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-  <td style="border:1px solid #000000; padding: 4px; text-align:right">0.3</td>
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tutorial/tutorial07.html

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 <h1>tutorial07</h1>
 <h2>Diagram</h2>
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 <h2>Bill of Materials</h2>
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   <tr>
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