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<?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
$prefix = '<?xml encoding="UTF-8">';
/** @scrutinizer ignore-unhandled */
@$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(string $rgbValue): string
{
preg_match_all('/\d+/', $rgbValue, $values);
foreach ($values[0] as &$value) {
$value = str_pad(dechex($value), 2, '0', STR_PAD_LEFT);
}
return implode('', $values[0]);
}
public static function colourNameLookup(string $colorName): string
{
return self::$colourMap[$colorName] ?? '';
}
protected function startFontTag($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 = static::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, $elementHandler)) {
/** @phpstan-ignore-next-line */
call_user_func([$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);
}
}
}
}