diff options
Diffstat (limited to '')
| -rw-r--r-- | vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Helper/Html.php | 839 |
1 files changed, 839 insertions, 0 deletions
diff --git a/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Helper/Html.php b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Helper/Html.php new file mode 100644 index 0000000..530531d --- /dev/null +++ b/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Helper/Html.php @@ -0,0 +1,839 @@ +<?php
+
+namespace PhpOffice\PhpSpreadsheet\Helper;
+
+use DOMDocument;
+use DOMElement;
+use DOMNode;
+use DOMText;
+use PhpOffice\PhpSpreadsheet\RichText\RichText;
+use PhpOffice\PhpSpreadsheet\Style\Color;
+use PhpOffice\PhpSpreadsheet\Style\Font;
+
+class Html
+{
+ protected static $colourMap = [
+ 'aliceblue' => 'f0f8ff',
+ 'antiquewhite' => 'faebd7',
+ 'antiquewhite1' => 'ffefdb',
+ 'antiquewhite2' => 'eedfcc',
+ 'antiquewhite3' => 'cdc0b0',
+ 'antiquewhite4' => '8b8378',
+ 'aqua' => '00ffff',
+ 'aquamarine1' => '7fffd4',
+ 'aquamarine2' => '76eec6',
+ 'aquamarine4' => '458b74',
+ 'azure1' => 'f0ffff',
+ 'azure2' => 'e0eeee',
+ 'azure3' => 'c1cdcd',
+ 'azure4' => '838b8b',
+ 'beige' => 'f5f5dc',
+ 'bisque1' => 'ffe4c4',
+ 'bisque2' => 'eed5b7',
+ 'bisque3' => 'cdb79e',
+ 'bisque4' => '8b7d6b',
+ 'black' => '000000',
+ 'blanchedalmond' => 'ffebcd',
+ 'blue' => '0000ff',
+ 'blue1' => '0000ff',
+ 'blue2' => '0000ee',
+ 'blue4' => '00008b',
+ 'blueviolet' => '8a2be2',
+ 'brown' => 'a52a2a',
+ 'brown1' => 'ff4040',
+ 'brown2' => 'ee3b3b',
+ 'brown3' => 'cd3333',
+ 'brown4' => '8b2323',
+ 'burlywood' => 'deb887',
+ 'burlywood1' => 'ffd39b',
+ 'burlywood2' => 'eec591',
+ 'burlywood3' => 'cdaa7d',
+ 'burlywood4' => '8b7355',
+ 'cadetblue' => '5f9ea0',
+ 'cadetblue1' => '98f5ff',
+ 'cadetblue2' => '8ee5ee',
+ 'cadetblue3' => '7ac5cd',
+ 'cadetblue4' => '53868b',
+ 'chartreuse1' => '7fff00',
+ 'chartreuse2' => '76ee00',
+ 'chartreuse3' => '66cd00',
+ 'chartreuse4' => '458b00',
+ 'chocolate' => 'd2691e',
+ 'chocolate1' => 'ff7f24',
+ 'chocolate2' => 'ee7621',
+ 'chocolate3' => 'cd661d',
+ 'coral' => 'ff7f50',
+ 'coral1' => 'ff7256',
+ 'coral2' => 'ee6a50',
+ 'coral3' => 'cd5b45',
+ 'coral4' => '8b3e2f',
+ 'cornflowerblue' => '6495ed',
+ 'cornsilk1' => 'fff8dc',
+ 'cornsilk2' => 'eee8cd',
+ 'cornsilk3' => 'cdc8b1',
+ 'cornsilk4' => '8b8878',
+ 'cyan1' => '00ffff',
+ 'cyan2' => '00eeee',
+ 'cyan3' => '00cdcd',
+ 'cyan4' => '008b8b',
+ 'darkgoldenrod' => 'b8860b',
+ 'darkgoldenrod1' => 'ffb90f',
+ 'darkgoldenrod2' => 'eead0e',
+ 'darkgoldenrod3' => 'cd950c',
+ 'darkgoldenrod4' => '8b6508',
+ 'darkgreen' => '006400',
+ 'darkkhaki' => 'bdb76b',
+ 'darkolivegreen' => '556b2f',
+ 'darkolivegreen1' => 'caff70',
+ 'darkolivegreen2' => 'bcee68',
+ 'darkolivegreen3' => 'a2cd5a',
+ 'darkolivegreen4' => '6e8b3d',
+ 'darkorange' => 'ff8c00',
+ 'darkorange1' => 'ff7f00',
+ 'darkorange2' => 'ee7600',
+ 'darkorange3' => 'cd6600',
+ 'darkorange4' => '8b4500',
+ 'darkorchid' => '9932cc',
+ 'darkorchid1' => 'bf3eff',
+ 'darkorchid2' => 'b23aee',
+ 'darkorchid3' => '9a32cd',
+ 'darkorchid4' => '68228b',
+ 'darksalmon' => 'e9967a',
+ 'darkseagreen' => '8fbc8f',
+ 'darkseagreen1' => 'c1ffc1',
+ 'darkseagreen2' => 'b4eeb4',
+ 'darkseagreen3' => '9bcd9b',
+ 'darkseagreen4' => '698b69',
+ 'darkslateblue' => '483d8b',
+ 'darkslategray' => '2f4f4f',
+ 'darkslategray1' => '97ffff',
+ 'darkslategray2' => '8deeee',
+ 'darkslategray3' => '79cdcd',
+ 'darkslategray4' => '528b8b',
+ 'darkturquoise' => '00ced1',
+ 'darkviolet' => '9400d3',
+ 'deeppink1' => 'ff1493',
+ 'deeppink2' => 'ee1289',
+ 'deeppink3' => 'cd1076',
+ 'deeppink4' => '8b0a50',
+ 'deepskyblue1' => '00bfff',
+ 'deepskyblue2' => '00b2ee',
+ 'deepskyblue3' => '009acd',
+ 'deepskyblue4' => '00688b',
+ 'dimgray' => '696969',
+ 'dodgerblue1' => '1e90ff',
+ 'dodgerblue2' => '1c86ee',
+ 'dodgerblue3' => '1874cd',
+ 'dodgerblue4' => '104e8b',
+ 'firebrick' => 'b22222',
+ 'firebrick1' => 'ff3030',
+ 'firebrick2' => 'ee2c2c',
+ 'firebrick3' => 'cd2626',
+ 'firebrick4' => '8b1a1a',
+ 'floralwhite' => 'fffaf0',
+ 'forestgreen' => '228b22',
+ 'fuchsia' => 'ff00ff',
+ 'gainsboro' => 'dcdcdc',
+ 'ghostwhite' => 'f8f8ff',
+ 'gold1' => 'ffd700',
+ 'gold2' => 'eec900',
+ 'gold3' => 'cdad00',
+ 'gold4' => '8b7500',
+ 'goldenrod' => 'daa520',
+ 'goldenrod1' => 'ffc125',
+ 'goldenrod2' => 'eeb422',
+ 'goldenrod3' => 'cd9b1d',
+ 'goldenrod4' => '8b6914',
+ 'gray' => 'bebebe',
+ 'gray1' => '030303',
+ 'gray10' => '1a1a1a',
+ 'gray11' => '1c1c1c',
+ 'gray12' => '1f1f1f',
+ 'gray13' => '212121',
+ 'gray14' => '242424',
+ 'gray15' => '262626',
+ 'gray16' => '292929',
+ 'gray17' => '2b2b2b',
+ 'gray18' => '2e2e2e',
+ 'gray19' => '303030',
+ 'gray2' => '050505',
+ 'gray20' => '333333',
+ 'gray21' => '363636',
+ 'gray22' => '383838',
+ 'gray23' => '3b3b3b',
+ 'gray24' => '3d3d3d',
+ 'gray25' => '404040',
+ 'gray26' => '424242',
+ 'gray27' => '454545',
+ 'gray28' => '474747',
+ 'gray29' => '4a4a4a',
+ 'gray3' => '080808',
+ 'gray30' => '4d4d4d',
+ 'gray31' => '4f4f4f',
+ 'gray32' => '525252',
+ 'gray33' => '545454',
+ 'gray34' => '575757',
+ 'gray35' => '595959',
+ 'gray36' => '5c5c5c',
+ 'gray37' => '5e5e5e',
+ 'gray38' => '616161',
+ 'gray39' => '636363',
+ 'gray4' => '0a0a0a',
+ 'gray40' => '666666',
+ 'gray41' => '696969',
+ 'gray42' => '6b6b6b',
+ 'gray43' => '6e6e6e',
+ 'gray44' => '707070',
+ 'gray45' => '737373',
+ 'gray46' => '757575',
+ 'gray47' => '787878',
+ 'gray48' => '7a7a7a',
+ 'gray49' => '7d7d7d',
+ 'gray5' => '0d0d0d',
+ 'gray50' => '7f7f7f',
+ 'gray51' => '828282',
+ 'gray52' => '858585',
+ 'gray53' => '878787',
+ 'gray54' => '8a8a8a',
+ 'gray55' => '8c8c8c',
+ 'gray56' => '8f8f8f',
+ 'gray57' => '919191',
+ 'gray58' => '949494',
+ 'gray59' => '969696',
+ 'gray6' => '0f0f0f',
+ 'gray60' => '999999',
+ 'gray61' => '9c9c9c',
+ 'gray62' => '9e9e9e',
+ 'gray63' => 'a1a1a1',
+ 'gray64' => 'a3a3a3',
+ 'gray65' => 'a6a6a6',
+ 'gray66' => 'a8a8a8',
+ 'gray67' => 'ababab',
+ 'gray68' => 'adadad',
+ 'gray69' => 'b0b0b0',
+ 'gray7' => '121212',
+ 'gray70' => 'b3b3b3',
+ 'gray71' => 'b5b5b5',
+ 'gray72' => 'b8b8b8',
+ 'gray73' => 'bababa',
+ 'gray74' => 'bdbdbd',
+ 'gray75' => 'bfbfbf',
+ 'gray76' => 'c2c2c2',
+ 'gray77' => 'c4c4c4',
+ 'gray78' => 'c7c7c7',
+ 'gray79' => 'c9c9c9',
+ 'gray8' => '141414',
+ 'gray80' => 'cccccc',
+ 'gray81' => 'cfcfcf',
+ 'gray82' => 'd1d1d1',
+ 'gray83' => 'd4d4d4',
+ 'gray84' => 'd6d6d6',
+ 'gray85' => 'd9d9d9',
+ 'gray86' => 'dbdbdb',
+ 'gray87' => 'dedede',
+ 'gray88' => 'e0e0e0',
+ 'gray89' => 'e3e3e3',
+ 'gray9' => '171717',
+ 'gray90' => 'e5e5e5',
+ 'gray91' => 'e8e8e8',
+ 'gray92' => 'ebebeb',
+ 'gray93' => 'ededed',
+ 'gray94' => 'f0f0f0',
+ 'gray95' => 'f2f2f2',
+ 'gray97' => 'f7f7f7',
+ 'gray98' => 'fafafa',
+ 'gray99' => 'fcfcfc',
+ 'green' => '00ff00',
+ 'green1' => '00ff00',
+ 'green2' => '00ee00',
+ 'green3' => '00cd00',
+ 'green4' => '008b00',
+ 'greenyellow' => 'adff2f',
+ 'honeydew1' => 'f0fff0',
+ 'honeydew2' => 'e0eee0',
+ 'honeydew3' => 'c1cdc1',
+ 'honeydew4' => '838b83',
+ 'hotpink' => 'ff69b4',
+ 'hotpink1' => 'ff6eb4',
+ 'hotpink2' => 'ee6aa7',
+ 'hotpink3' => 'cd6090',
+ 'hotpink4' => '8b3a62',
+ 'indianred' => 'cd5c5c',
+ 'indianred1' => 'ff6a6a',
+ 'indianred2' => 'ee6363',
+ 'indianred3' => 'cd5555',
+ 'indianred4' => '8b3a3a',
+ 'ivory1' => 'fffff0',
+ 'ivory2' => 'eeeee0',
+ 'ivory3' => 'cdcdc1',
+ 'ivory4' => '8b8b83',
+ 'khaki' => 'f0e68c',
+ 'khaki1' => 'fff68f',
+ 'khaki2' => 'eee685',
+ 'khaki3' => 'cdc673',
+ 'khaki4' => '8b864e',
+ 'lavender' => 'e6e6fa',
+ 'lavenderblush1' => 'fff0f5',
+ 'lavenderblush2' => 'eee0e5',
+ 'lavenderblush3' => 'cdc1c5',
+ 'lavenderblush4' => '8b8386',
+ 'lawngreen' => '7cfc00',
+ 'lemonchiffon1' => 'fffacd',
+ 'lemonchiffon2' => 'eee9bf',
+ 'lemonchiffon3' => 'cdc9a5',
+ 'lemonchiffon4' => '8b8970',
+ 'light' => 'eedd82',
+ 'lightblue' => 'add8e6',
+ 'lightblue1' => 'bfefff',
+ 'lightblue2' => 'b2dfee',
+ 'lightblue3' => '9ac0cd',
+ 'lightblue4' => '68838b',
+ 'lightcoral' => 'f08080',
+ 'lightcyan1' => 'e0ffff',
+ 'lightcyan2' => 'd1eeee',
+ 'lightcyan3' => 'b4cdcd',
+ 'lightcyan4' => '7a8b8b',
+ 'lightgoldenrod1' => 'ffec8b',
+ 'lightgoldenrod2' => 'eedc82',
+ 'lightgoldenrod3' => 'cdbe70',
+ 'lightgoldenrod4' => '8b814c',
+ 'lightgoldenrodyellow' => 'fafad2',
+ 'lightgray' => 'd3d3d3',
+ 'lightpink' => 'ffb6c1',
+ 'lightpink1' => 'ffaeb9',
+ 'lightpink2' => 'eea2ad',
+ 'lightpink3' => 'cd8c95',
+ 'lightpink4' => '8b5f65',
+ 'lightsalmon1' => 'ffa07a',
+ 'lightsalmon2' => 'ee9572',
+ 'lightsalmon3' => 'cd8162',
+ 'lightsalmon4' => '8b5742',
+ 'lightseagreen' => '20b2aa',
+ 'lightskyblue' => '87cefa',
+ 'lightskyblue1' => 'b0e2ff',
+ 'lightskyblue2' => 'a4d3ee',
+ 'lightskyblue3' => '8db6cd',
+ 'lightskyblue4' => '607b8b',
+ 'lightslateblue' => '8470ff',
+ 'lightslategray' => '778899',
+ 'lightsteelblue' => 'b0c4de',
+ 'lightsteelblue1' => 'cae1ff',
+ 'lightsteelblue2' => 'bcd2ee',
+ 'lightsteelblue3' => 'a2b5cd',
+ 'lightsteelblue4' => '6e7b8b',
+ 'lightyellow1' => 'ffffe0',
+ 'lightyellow2' => 'eeeed1',
+ 'lightyellow3' => 'cdcdb4',
+ 'lightyellow4' => '8b8b7a',
+ 'lime' => '00ff00',
+ 'limegreen' => '32cd32',
+ 'linen' => 'faf0e6',
+ 'magenta' => 'ff00ff',
+ 'magenta2' => 'ee00ee',
+ 'magenta3' => 'cd00cd',
+ 'magenta4' => '8b008b',
+ 'maroon' => 'b03060',
+ 'maroon1' => 'ff34b3',
+ 'maroon2' => 'ee30a7',
+ 'maroon3' => 'cd2990',
+ 'maroon4' => '8b1c62',
+ 'medium' => '66cdaa',
+ 'mediumaquamarine' => '66cdaa',
+ 'mediumblue' => '0000cd',
+ 'mediumorchid' => 'ba55d3',
+ 'mediumorchid1' => 'e066ff',
+ 'mediumorchid2' => 'd15fee',
+ 'mediumorchid3' => 'b452cd',
+ 'mediumorchid4' => '7a378b',
+ 'mediumpurple' => '9370db',
+ 'mediumpurple1' => 'ab82ff',
+ 'mediumpurple2' => '9f79ee',
+ 'mediumpurple3' => '8968cd',
+ 'mediumpurple4' => '5d478b',
+ 'mediumseagreen' => '3cb371',
+ 'mediumslateblue' => '7b68ee',
+ 'mediumspringgreen' => '00fa9a',
+ 'mediumturquoise' => '48d1cc',
+ 'mediumvioletred' => 'c71585',
+ 'midnightblue' => '191970',
+ 'mintcream' => 'f5fffa',
+ 'mistyrose1' => 'ffe4e1',
+ 'mistyrose2' => 'eed5d2',
+ 'mistyrose3' => 'cdb7b5',
+ 'mistyrose4' => '8b7d7b',
+ 'moccasin' => 'ffe4b5',
+ 'navajowhite1' => 'ffdead',
+ 'navajowhite2' => 'eecfa1',
+ 'navajowhite3' => 'cdb38b',
+ 'navajowhite4' => '8b795e',
+ 'navy' => '000080',
+ 'navyblue' => '000080',
+ 'oldlace' => 'fdf5e6',
+ 'olive' => '808000',
+ 'olivedrab' => '6b8e23',
+ 'olivedrab1' => 'c0ff3e',
+ 'olivedrab2' => 'b3ee3a',
+ 'olivedrab4' => '698b22',
+ 'orange' => 'ffa500',
+ 'orange1' => 'ffa500',
+ 'orange2' => 'ee9a00',
+ 'orange3' => 'cd8500',
+ 'orange4' => '8b5a00',
+ 'orangered1' => 'ff4500',
+ 'orangered2' => 'ee4000',
+ 'orangered3' => 'cd3700',
+ 'orangered4' => '8b2500',
+ 'orchid' => 'da70d6',
+ 'orchid1' => 'ff83fa',
+ 'orchid2' => 'ee7ae9',
+ 'orchid3' => 'cd69c9',
+ 'orchid4' => '8b4789',
+ 'pale' => 'db7093',
+ 'palegoldenrod' => 'eee8aa',
+ 'palegreen' => '98fb98',
+ 'palegreen1' => '9aff9a',
+ 'palegreen2' => '90ee90',
+ 'palegreen3' => '7ccd7c',
+ 'palegreen4' => '548b54',
+ 'paleturquoise' => 'afeeee',
+ 'paleturquoise1' => 'bbffff',
+ 'paleturquoise2' => 'aeeeee',
+ 'paleturquoise3' => '96cdcd',
+ 'paleturquoise4' => '668b8b',
+ 'palevioletred' => 'db7093',
+ 'palevioletred1' => 'ff82ab',
+ 'palevioletred2' => 'ee799f',
+ 'palevioletred3' => 'cd6889',
+ 'palevioletred4' => '8b475d',
+ 'papayawhip' => 'ffefd5',
+ 'peachpuff1' => 'ffdab9',
+ 'peachpuff2' => 'eecbad',
+ 'peachpuff3' => 'cdaf95',
+ 'peachpuff4' => '8b7765',
+ 'pink' => 'ffc0cb',
+ 'pink1' => 'ffb5c5',
+ 'pink2' => 'eea9b8',
+ 'pink3' => 'cd919e',
+ 'pink4' => '8b636c',
+ 'plum' => 'dda0dd',
+ 'plum1' => 'ffbbff',
+ 'plum2' => 'eeaeee',
+ 'plum3' => 'cd96cd',
+ 'plum4' => '8b668b',
+ 'powderblue' => 'b0e0e6',
+ 'purple' => 'a020f0',
+ 'rebeccapurple' => '663399',
+ 'purple1' => '9b30ff',
+ 'purple2' => '912cee',
+ 'purple3' => '7d26cd',
+ 'purple4' => '551a8b',
+ 'red' => 'ff0000',
+ 'red1' => 'ff0000',
+ 'red2' => 'ee0000',
+ 'red3' => 'cd0000',
+ 'red4' => '8b0000',
+ 'rosybrown' => 'bc8f8f',
+ 'rosybrown1' => 'ffc1c1',
+ 'rosybrown2' => 'eeb4b4',
+ 'rosybrown3' => 'cd9b9b',
+ 'rosybrown4' => '8b6969',
+ 'royalblue' => '4169e1',
+ 'royalblue1' => '4876ff',
+ 'royalblue2' => '436eee',
+ 'royalblue3' => '3a5fcd',
+ 'royalblue4' => '27408b',
+ 'saddlebrown' => '8b4513',
+ 'salmon' => 'fa8072',
+ 'salmon1' => 'ff8c69',
+ 'salmon2' => 'ee8262',
+ 'salmon3' => 'cd7054',
+ 'salmon4' => '8b4c39',
+ 'sandybrown' => 'f4a460',
+ 'seagreen1' => '54ff9f',
+ 'seagreen2' => '4eee94',
+ 'seagreen3' => '43cd80',
+ 'seagreen4' => '2e8b57',
+ 'seashell1' => 'fff5ee',
+ 'seashell2' => 'eee5de',
+ 'seashell3' => 'cdc5bf',
+ 'seashell4' => '8b8682',
+ 'sienna' => 'a0522d',
+ 'sienna1' => 'ff8247',
+ 'sienna2' => 'ee7942',
+ 'sienna3' => 'cd6839',
+ 'sienna4' => '8b4726',
+ 'silver' => 'c0c0c0',
+ 'skyblue' => '87ceeb',
+ 'skyblue1' => '87ceff',
+ 'skyblue2' => '7ec0ee',
+ 'skyblue3' => '6ca6cd',
+ 'skyblue4' => '4a708b',
+ 'slateblue' => '6a5acd',
+ 'slateblue1' => '836fff',
+ 'slateblue2' => '7a67ee',
+ 'slateblue3' => '6959cd',
+ 'slateblue4' => '473c8b',
+ 'slategray' => '708090',
+ 'slategray1' => 'c6e2ff',
+ 'slategray2' => 'b9d3ee',
+ 'slategray3' => '9fb6cd',
+ 'slategray4' => '6c7b8b',
+ 'snow1' => 'fffafa',
+ 'snow2' => 'eee9e9',
+ 'snow3' => 'cdc9c9',
+ 'snow4' => '8b8989',
+ 'springgreen1' => '00ff7f',
+ 'springgreen2' => '00ee76',
+ 'springgreen3' => '00cd66',
+ 'springgreen4' => '008b45',
+ 'steelblue' => '4682b4',
+ 'steelblue1' => '63b8ff',
+ 'steelblue2' => '5cacee',
+ 'steelblue3' => '4f94cd',
+ 'steelblue4' => '36648b',
+ 'tan' => 'd2b48c',
+ 'tan1' => 'ffa54f',
+ 'tan2' => 'ee9a49',
+ 'tan3' => 'cd853f',
+ 'tan4' => '8b5a2b',
+ 'teal' => '008080',
+ 'thistle' => 'd8bfd8',
+ 'thistle1' => 'ffe1ff',
+ 'thistle2' => 'eed2ee',
+ 'thistle3' => 'cdb5cd',
+ 'thistle4' => '8b7b8b',
+ 'tomato1' => 'ff6347',
+ 'tomato2' => 'ee5c42',
+ 'tomato3' => 'cd4f39',
+ 'tomato4' => '8b3626',
+ 'turquoise' => '40e0d0',
+ 'turquoise1' => '00f5ff',
+ 'turquoise2' => '00e5ee',
+ 'turquoise3' => '00c5cd',
+ 'turquoise4' => '00868b',
+ 'violet' => 'ee82ee',
+ 'violetred' => 'd02090',
+ 'violetred1' => 'ff3e96',
+ 'violetred2' => 'ee3a8c',
+ 'violetred3' => 'cd3278',
+ 'violetred4' => '8b2252',
+ 'wheat' => 'f5deb3',
+ 'wheat1' => 'ffe7ba',
+ 'wheat2' => 'eed8ae',
+ 'wheat3' => 'cdba96',
+ 'wheat4' => '8b7e66',
+ 'white' => 'ffffff',
+ 'whitesmoke' => 'f5f5f5',
+ 'yellow' => 'ffff00',
+ 'yellow1' => 'ffff00',
+ 'yellow2' => 'eeee00',
+ 'yellow3' => 'cdcd00',
+ 'yellow4' => '8b8b00',
+ 'yellowgreen' => '9acd32',
+ ];
+
+ protected $face;
+
+ protected $size;
+
+ protected $color;
+
+ protected $bold = false;
+
+ protected $italic = false;
+
+ protected $underline = false;
+
+ protected $superscript = false;
+
+ protected $subscript = false;
+
+ protected $strikethrough = false;
+
+ protected $startTagCallbacks = [
+ 'font' => 'startFontTag',
+ 'b' => 'startBoldTag',
+ 'strong' => 'startBoldTag',
+ 'i' => 'startItalicTag',
+ 'em' => 'startItalicTag',
+ 'u' => 'startUnderlineTag',
+ 'ins' => 'startUnderlineTag',
+ 'del' => 'startStrikethruTag',
+ 'sup' => 'startSuperscriptTag',
+ 'sub' => 'startSubscriptTag',
+ ];
+
+ protected $endTagCallbacks = [
+ 'font' => 'endFontTag',
+ 'b' => 'endBoldTag',
+ 'strong' => 'endBoldTag',
+ 'i' => 'endItalicTag',
+ 'em' => 'endItalicTag',
+ 'u' => 'endUnderlineTag',
+ 'ins' => 'endUnderlineTag',
+ 'del' => 'endStrikethruTag',
+ 'sup' => 'endSuperscriptTag',
+ 'sub' => 'endSubscriptTag',
+ 'br' => 'breakTag',
+ 'p' => 'breakTag',
+ 'h1' => 'breakTag',
+ 'h2' => 'breakTag',
+ 'h3' => 'breakTag',
+ 'h4' => 'breakTag',
+ 'h5' => 'breakTag',
+ 'h6' => 'breakTag',
+ ];
+
+ protected $stack = [];
+
+ protected $stringData = '';
+
+ /**
+ * @var RichText
+ */
+ protected $richTextObject;
+
+ protected function initialise(): void
+ {
+ $this->face = $this->size = $this->color = null;
+ $this->bold = $this->italic = $this->underline = $this->superscript = $this->subscript = $this->strikethrough = false;
+
+ $this->stack = [];
+
+ $this->stringData = '';
+ }
+
+ /**
+ * Parse HTML formatting and return the resulting RichText.
+ *
+ * @param string $html
+ *
+ * @return RichText
+ */
+ public function toRichTextObject($html)
+ {
+ $this->initialise();
+
+ // Create a new DOM object
+ $dom = new DOMDocument();
+ // Load the HTML file into the DOM object
+ // Note the use of error suppression, because typically this will be an html fragment, so not fully valid markup
+ $prefix = '<?xml encoding="UTF-8">';
+ @$dom->loadHTML($prefix . $html, LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
+ // Discard excess white space
+ $dom->preserveWhiteSpace = false;
+
+ $this->richTextObject = new RichText();
+ $this->parseElements($dom);
+
+ // Clean any further spurious whitespace
+ $this->cleanWhitespace();
+
+ return $this->richTextObject;
+ }
+
+ protected function cleanWhitespace(): void
+ {
+ foreach ($this->richTextObject->getRichTextElements() as $key => $element) {
+ $text = $element->getText();
+ // Trim any leading spaces on the first run
+ if ($key == 0) {
+ $text = ltrim($text);
+ }
+ // Trim any spaces immediately after a line break
+ $text = preg_replace('/\n */mu', "\n", $text);
+ $element->setText($text);
+ }
+ }
+
+ protected function buildTextRun(): void
+ {
+ $text = $this->stringData;
+ if (trim($text) === '') {
+ return;
+ }
+
+ $richtextRun = $this->richTextObject->createTextRun($this->stringData);
+ if ($this->face) {
+ $richtextRun->getFont()->setName($this->face);
+ }
+ if ($this->size) {
+ $richtextRun->getFont()->setSize($this->size);
+ }
+ if ($this->color) {
+ $richtextRun->getFont()->setColor(new Color('ff' . $this->color));
+ }
+ if ($this->bold) {
+ $richtextRun->getFont()->setBold(true);
+ }
+ if ($this->italic) {
+ $richtextRun->getFont()->setItalic(true);
+ }
+ if ($this->underline) {
+ $richtextRun->getFont()->setUnderline(Font::UNDERLINE_SINGLE);
+ }
+ if ($this->superscript) {
+ $richtextRun->getFont()->setSuperscript(true);
+ }
+ if ($this->subscript) {
+ $richtextRun->getFont()->setSubscript(true);
+ }
+ if ($this->strikethrough) {
+ $richtextRun->getFont()->setStrikethrough(true);
+ }
+ $this->stringData = '';
+ }
+
+ protected function rgbToColour($rgb)
+ {
+ preg_match_all('/\d+/', $rgb, $values);
+ foreach ($values[0] as &$value) {
+ $value = str_pad(dechex($value), 2, '0', STR_PAD_LEFT);
+ }
+
+ return implode('', $values[0]);
+ }
+
+ public static function colourNameLookup(string $rgb): string
+ {
+ return self::$colourMap[$rgb] ?? '';
+ }
+
+ protected function startFontTag($tag): void
+ {
+ foreach ($tag->attributes as $attribute) {
+ $attributeName = strtolower($attribute->name);
+ $attributeValue = $attribute->value;
+
+ if ($attributeName == 'color') {
+ if (preg_match('/rgb\s*\(/', $attributeValue)) {
+ $this->$attributeName = $this->rgbToColour($attributeValue);
+ } elseif (strpos(trim($attributeValue), '#') === 0) {
+ $this->$attributeName = ltrim($attributeValue, '#');
+ } else {
+ $this->$attributeName = $this->colourNameLookup($attributeValue);
+ }
+ } else {
+ $this->$attributeName = $attributeValue;
+ }
+ }
+ }
+
+ protected function endFontTag(): void
+ {
+ $this->face = $this->size = $this->color = null;
+ }
+
+ protected function startBoldTag(): void
+ {
+ $this->bold = true;
+ }
+
+ protected function endBoldTag(): void
+ {
+ $this->bold = false;
+ }
+
+ protected function startItalicTag(): void
+ {
+ $this->italic = true;
+ }
+
+ protected function endItalicTag(): void
+ {
+ $this->italic = false;
+ }
+
+ protected function startUnderlineTag(): void
+ {
+ $this->underline = true;
+ }
+
+ protected function endUnderlineTag(): void
+ {
+ $this->underline = false;
+ }
+
+ protected function startSubscriptTag(): void
+ {
+ $this->subscript = true;
+ }
+
+ protected function endSubscriptTag(): void
+ {
+ $this->subscript = false;
+ }
+
+ protected function startSuperscriptTag(): void
+ {
+ $this->superscript = true;
+ }
+
+ protected function endSuperscriptTag(): void
+ {
+ $this->superscript = false;
+ }
+
+ protected function startStrikethruTag(): void
+ {
+ $this->strikethrough = true;
+ }
+
+ protected function endStrikethruTag(): void
+ {
+ $this->strikethrough = false;
+ }
+
+ protected function breakTag(): void
+ {
+ $this->stringData .= "\n";
+ }
+
+ protected function parseTextNode(DOMText $textNode): void
+ {
+ $domText = preg_replace(
+ '/\s+/u',
+ ' ',
+ str_replace(["\r", "\n"], ' ', $textNode->nodeValue)
+ );
+ $this->stringData .= $domText;
+ $this->buildTextRun();
+ }
+
+ /**
+ * @param string $callbackTag
+ */
+ protected function handleCallback(DOMElement $element, $callbackTag, array $callbacks): void
+ {
+ if (isset($callbacks[$callbackTag])) {
+ $elementHandler = $callbacks[$callbackTag];
+ if (method_exists($this, $elementHandler)) {
+ call_user_func([$this, $elementHandler], $element);
+ }
+ }
+ }
+
+ protected function parseElementNode(DOMElement $element): void
+ {
+ $callbackTag = strtolower($element->nodeName);
+ $this->stack[] = $callbackTag;
+
+ $this->handleCallback($element, $callbackTag, $this->startTagCallbacks);
+
+ $this->parseElements($element);
+ array_pop($this->stack);
+
+ $this->handleCallback($element, $callbackTag, $this->endTagCallbacks);
+ }
+
+ protected function parseElements(DOMNode $element): void
+ {
+ foreach ($element->childNodes as $child) {
+ if ($child instanceof DOMText) {
+ $this->parseTextNode($child);
+ } elseif ($child instanceof DOMElement) {
+ $this->parseElementNode($child);
+ }
+ }
+ }
+}
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