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#!/usr/bin/env python |
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""" |
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Pandoc filter for changing color in LaTeX. |
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""" |
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from __future__ import annotations |
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from typing import Any |
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from panflute import ( |
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Doc, |
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Element, |
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MetaInlines, |
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MetaList, |
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RawInline, |
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Span, |
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debug, |
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run_filter, |
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) |
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def x11colors() -> dict[str, str]: |
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""" |
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Get the x1 colors. |
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Returns |
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------- |
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dict[str, str] |
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A dictionary of colornames -> colorcode. |
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""" |
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# See https://www.w3.org/TR/css-color-3/#svg-color |
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return { |
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"aliceblue": "F0F8FF", |
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"antiquewhite": "FAEBD7", |
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"aqua": "00FFFF", |
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"aquamarine": "7FFFD4", |
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"azure": "F0FFFF", |
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"beige": "F5F5DC", |
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"bisque": "FFE4C4", |
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"black": "000000", |
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"blanchedalmond": "FFEBCD", |
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"blue": "0000FF", |
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"blueviolet": "8A2BE2", |
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"brown": "A52A2A", |
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"burlywood": "DEB887", |
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"cadetblue": "5F9EA0", |
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"chartreuse": "7FFF00", |
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"chocolate": "D2691E", |
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"coral": "FF7F50", |
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"cornflowerblue": "6495ED", |
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"cornsilk": "FFF8DC", |
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"crimson": "DC143C", |
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"cyan": "00FFFF", |
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"darkblue": "00008B", |
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"darkcyan": "008B8B", |
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"darkgoldenrod": "B8860B", |
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"darkgray": "A9A9A9", |
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"darkgreen": "006400", |
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"darkgrey": "A9A9A9", |
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"darkkhaki": "BDB76B", |
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"darkmagenta": "8B008B", |
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"darkolivegreen": "556B2F", |
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"darkorange": "FF8C00", |
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"darkorchid": "9932CC", |
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"darkred": "8B0000", |
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"darksalmon": "E9967A", |
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"darkseagreen": "8FBC8F", |
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"darkslateblue": "483D8B", |
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"darkslategray": "2F4F4F", |
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"darkslategrey": "2F4F4F", |
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"darkturquoise": "00CED1", |
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"darkviolet": "9400D3", |
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"deeppink": "FF1493", |
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"deepskyblue": "00BFFF", |
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"dimgray": "696969", |
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"dimgrey": "696969", |
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"dodgerblue": "1E90FF", |
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"firebrick": "B22222", |
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"floralwhite": "FFFAF0", |
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"forestgreen": "228B22", |
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"fuchsia": "FF00FF", |
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"gainsboro": "DCDCDC", |
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"ghostwhite": "F8F8FF", |
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"gold": "FFD700", |
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"goldenrod": "DAA520", |
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"gray": "808080", |
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"green": "008000", |
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"greenyellow": "ADFF2F", |
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"grey": "808080", |
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"honeydew": "F0FFF0", |
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"hotpink": "FF69B4", |
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"indianred": "CD5C5C", |
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"indigo": "4B0082", |
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"ivory": "FFFFF0", |
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"khaki": "F0E68C", |
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"lavender": "E6E6FA", |
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"lavenderblush": "FFF0F5", |
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"lawngreen": "7CFC00", |
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"lemonchiffon": "FFFACD", |
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"lightblue": "ADD8E6", |
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"lightcoral": "F08080", |
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"lightcyan": "E0FFFF", |
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"lightgoldenrodyellow": "FAFAD2", |
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"lightgray": "D3D3D3", |
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"lightgreen": "90EE90", |
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"lightgrey": "D3D3D3", |
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"lightpink": "FFB6C1", |
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"lightsalmon": "FFA07A", |
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"lightseagreen": "20B2AA", |
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"lightskyblue": "87CEFA", |
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"lightslategray": "778899", |
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"lightslategrey": "778899", |
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"lightsteelblue": "B0C4DE", |
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"lightyellow": "FFFFE0", |
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"lime": "00FF00", |
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"limegreen": "32CD32", |
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"linen": "FAF0E6", |
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"magenta": "FF00FF", |
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"maroon": "800000", |
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"mediumaquamarine": "66CDAA", |
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"mediumblue": "0000CD", |
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"mediumorchid": "BA55D3", |
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"mediumpurple": "9370DB", |
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"mediumseagreen": "3CB371", |
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"mediumslateblue": "7B68EE", |
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"mediumspringgreen": "00FA9A", |
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"mediumturquoise": "48D1CC", |
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"mediumvioletred": "C71585", |
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"midnightblue": "191970", |
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"mintcream": "F5FFFA", |
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"mistyrose": "FFE4E1", |
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"moccasin": "FFE4B5", |
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"navajowhite": "FFDEAD", |
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"navy": "000080", |
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"oldlace": "FDF5E6", |
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"olive": "808000", |
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"olivedrab": "6B8E23", |
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"orange": "FFA500", |
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"orangered": "FF4500", |
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"orchid": "DA70D6", |
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"palegoldenrod": "EEE8AA", |
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"palegreen": "98FB98", |
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"paleturquoise": "AFEEEE", |
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"palevioletred": "DB7093", |
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"papayawhip": "FFEFD5", |
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"peachpuff": "FFDAB9", |
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"peru": "CD853F", |
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"pink": "FFC0CB", |
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"plum": "DDA0DD", |
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"powderblue": "B0E0E6", |
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"purple": "800080", |
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"red": "FF0000", |
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"rosybrown": "BC8F8F", |
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"royalblue": "4169E1", |
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"saddlebrown": "8B4513", |
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"salmon": "FA8072", |
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"sandybrown": "F4A460", |
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"seagreen": "2E8B57", |
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"seashell": "FFF5EE", |
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"sienna": "A0522D", |
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"silver": "C0C0C0", |
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"skyblue": "87CEEB", |
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"slateblue": "6A5ACD", |
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"slategray": "708090", |
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"slategrey": "708090", |
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"snow": "FFFAFA", |
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"springgreen": "00FF7F", |
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"steelblue": "4682B4", |
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"tan": "D2B48C", |
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"teal": "008080", |
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"thistle": "D8BFD8", |
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"tomato": "FF6347", |
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"turquoise": "40E0D0", |
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"violet": "EE82EE", |
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"wheat": "F5DEB3", |
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"white": "FFFFFF", |
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"whitesmoke": "F5F5F5", |
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"yellow": "FFFF00", |
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"yellowgreen": "9ACD32", |
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} |
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def color_code(color: str | bool) -> str: |
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""" |
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Get the LaTeX color code. |
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Arguments |
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--------- |
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color |
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X11 color name |
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Returns |
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------- |
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str |
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The LaTeX color code. |
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""" |
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if color: |
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return f"\\color{{{color}}}" |
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return "\\color{black}" |
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def bgcolor_code(color: str | bool) -> str | bool: |
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""" |
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Get the LaTeX color code for the background. |
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Arguments |
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--------- |
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color |
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X11 color name |
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Returns |
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------- |
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str | bool |
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The LaTeX color code for the background. |
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""" |
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if color: |
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return f"\\sethlcolor{{{color}}}" |
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return False |
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def get_correct_color(color: str | bool) -> str | bool: |
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""" |
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Get a correct color name. |
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Arguments |
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--------- |
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color |
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Color name |
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Returns |
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------- |
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str | bool |
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A X11 color name or False. |
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""" |
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if color in x11colors(): |
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return color |
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if color: |
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debug( |
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f"[WARNING] pandoc-latex-color: {color}" |
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f" is not a correct X11 color; using black" |
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) |
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return "black" |
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return False |
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def add_latex(elem: Element, color: str | bool, bgcolor: str | bool) -> None: |
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""" |
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Insert LaTeX code. |
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Arguments |
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--------- |
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elem |
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The pandoc element |
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color |
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The X11 color name |
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bgcolor |
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The X11 bgcolor name |
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""" |
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elem.content.insert(0, RawInline(color, "tex")) |
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if isinstance(bgcolor, str): |
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elem.content.insert(1, RawInline(f"{bgcolor}\\hl{{", "tex")) |
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elem.content.append(RawInline("}", "tex")) |
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def colorize(elem: Element, doc: Doc) -> None: |
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""" |
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Colorize an element. |
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Arguments |
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--------- |
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elem |
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The pandoc element |
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doc |
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The pandoc document |
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""" |
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# Is it in the right format and is it a Span ? |
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if doc.format in ("latex", "beamer") and isinstance(elem, Span): |
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# Is there a latex-color attribute? |
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if "latex-color" in elem.attributes or "latex-bgcolor" in elem.attributes: |
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try: |
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color = elem.attributes["latex-color"] |
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except KeyError: |
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color = "black" |
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try: |
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bgcolor = elem.attributes["latex-bgcolor"] |
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except KeyError: |
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bgcolor = False |
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add_latex( |
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elem, |
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color_code(get_correct_color(color)), |
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bgcolor_code(get_correct_color(bgcolor)), |
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) |
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return |
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# Get the classes |
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classes = set(elem.classes) |
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# Loop on all color definition |
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for definition in doc.defined: |
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# Are the classes correct? |
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if classes >= definition["classes"]: |
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add_latex(elem, definition["color"], definition["bgcolor"]) |
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return |
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def prepare(doc: Doc) -> None: |
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""" |
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Prepare the document. |
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Arguments |
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--------- |
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314
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doc |
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315
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The pandoc document |
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""" |
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# Prepare the definitions |
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doc.defined = [] |
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# Get the meta data |
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321
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meta = doc.get_metadata("pandoc-latex-color") |
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if isinstance(meta, list): |
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# Loop on all definitions |
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for definition in meta: |
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# Verify the definition |
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327
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if ( |
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328
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isinstance(definition, dict) |
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329
|
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and "classes" in definition |
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330
|
|
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and isinstance(definition["classes"], list) |
|
331
|
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): |
|
332
|
|
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add_definition(doc.defined, definition) |
|
333
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|
334
|
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|
|
335
|
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def add_definition(defined: list[dict[str, Any]], definition: dict[str, Any]) -> None: |
|
336
|
|
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""" |
|
337
|
|
|
Add a definition. |
|
338
|
|
|
|
|
339
|
|
|
Arguments |
|
340
|
|
|
--------- |
|
341
|
|
|
defined |
|
342
|
|
|
A list of definition |
|
343
|
|
|
definition |
|
344
|
|
|
A new definition |
|
345
|
|
|
""" |
|
346
|
|
|
# Get the classes |
|
347
|
|
|
classes = definition["classes"] |
|
348
|
|
|
|
|
349
|
|
|
# Get the color |
|
350
|
|
|
if "color" in definition: |
|
351
|
|
|
color = get_correct_color(definition["color"]) |
|
352
|
|
|
else: |
|
353
|
|
|
color = "black" |
|
354
|
|
|
|
|
355
|
|
|
# Get the bgcolor |
|
356
|
|
|
if "bgcolor" in definition: |
|
357
|
|
|
bgcolor = get_correct_color(definition["bgcolor"]) |
|
358
|
|
|
else: |
|
359
|
|
|
bgcolor = False |
|
360
|
|
|
|
|
361
|
|
|
# Add a definition |
|
362
|
|
|
defined.append( |
|
363
|
|
|
{ |
|
364
|
|
|
"classes": set(classes), |
|
365
|
|
|
"color": color_code(color), |
|
366
|
|
|
"bgcolor": bgcolor_code(bgcolor), |
|
367
|
|
|
} |
|
368
|
|
|
) |
|
369
|
|
|
|
|
370
|
|
|
|
|
371
|
|
|
def finalize(doc: Doc) -> None: |
|
372
|
|
|
""" |
|
373
|
|
|
Finalize the document. |
|
374
|
|
|
|
|
375
|
|
|
Arguments |
|
376
|
|
|
--------- |
|
377
|
|
|
doc |
|
378
|
|
|
The pandoc document |
|
379
|
|
|
""" |
|
380
|
|
|
# Add header-includes if necessary |
|
381
|
|
|
if "header-includes" not in doc.metadata: |
|
382
|
|
|
doc.metadata["header-includes"] = MetaList() |
|
383
|
|
|
# Convert header-includes to MetaList if necessary |
|
384
|
|
|
elif not isinstance(doc.metadata["header-includes"], MetaList): |
|
385
|
|
|
doc.metadata["header-includes"] = MetaList(doc.metadata["header-includes"]) |
|
386
|
|
|
|
|
387
|
|
|
# Add useful LaTexPackage |
|
388
|
|
|
doc.metadata["header-includes"].append( |
|
389
|
|
|
MetaInlines(RawInline("\\usepackage{xcolor}", "tex")) |
|
390
|
|
|
) |
|
391
|
|
|
doc.metadata["header-includes"].append( |
|
392
|
|
|
MetaInlines(RawInline("\\usepackage{soulutf8,color}", "tex")) |
|
393
|
|
|
) |
|
394
|
|
|
doc.metadata["header-includes"].append( |
|
395
|
|
|
MetaInlines(RawInline("\\soulregister\\cite7", "tex")) |
|
396
|
|
|
) |
|
397
|
|
|
doc.metadata["header-includes"].append( |
|
398
|
|
|
MetaInlines(RawInline("\\soulregister\\ref7", "tex")) |
|
399
|
|
|
) |
|
400
|
|
|
doc.metadata["header-includes"].append( |
|
401
|
|
|
MetaInlines(RawInline("\\soulregister\\pageref7", "tex")) |
|
402
|
|
|
) |
|
403
|
|
|
|
|
404
|
|
|
for color, value in x11colors().items(): |
|
405
|
|
|
doc.metadata["header-includes"].append( |
|
406
|
|
|
MetaInlines( |
|
407
|
|
|
RawInline(f"\\definecolor{{{color}}}{{HTML}}{{{value}}}", "tex") |
|
408
|
|
|
) |
|
409
|
|
|
) |
|
410
|
|
|
|
|
411
|
|
|
if doc.format == "beamer": |
|
412
|
|
|
special_beamer = [ |
|
413
|
|
|
"\\makeatletter", |
|
414
|
|
|
"\\let\\HL\\hl", |
|
415
|
|
|
"\\renewcommand\\hl{%", |
|
416
|
|
|
"\\let\\set@color\\beamerorig@set@color", |
|
417
|
|
|
"\\let\\reset@color\\beamerorig@reset@color", |
|
418
|
|
|
"\\HL}", |
|
419
|
|
|
"\\makeatother", |
|
420
|
|
|
] |
|
421
|
|
|
for line in special_beamer: |
|
422
|
|
|
doc.metadata["header-includes"].append(MetaInlines(RawInline(line, "tex"))) |
|
423
|
|
|
|
|
424
|
|
|
|
|
425
|
|
|
def main(doc: Doc | None = None) -> Doc: |
|
426
|
|
|
""" |
|
427
|
|
|
Convert the pandoc document. |
|
428
|
|
|
|
|
429
|
|
|
Arguments |
|
430
|
|
|
--------- |
|
431
|
|
|
doc |
|
432
|
|
|
The pandoc document |
|
433
|
|
|
|
|
434
|
|
|
Returns |
|
435
|
|
|
------- |
|
436
|
|
|
Doc |
|
437
|
|
|
The modified pandoc document |
|
438
|
|
|
""" |
|
439
|
|
|
return run_filter(colorize, prepare=prepare, finalize=finalize, doc=doc) |
|
440
|
|
|
|
|
441
|
|
|
|
|
442
|
|
|
if __name__ == "__main__": |
|
443
|
|
|
main() |
|
444
|
|
|
|
chdemko /
pandoc-latex-color
