1: | <?php
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8: | class HTMLPurifier_AttrDef_CSS_TextDecoration extends HTMLPurifier_AttrDef
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9: | {
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17: | public function validate($string, $config, $context)
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18: | {
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19: | static $allowed_values = array(
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20: | 'line-through' => true,
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21: | 'overline' => true,
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22: | 'underline' => true,
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23: | );
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25: | $string = strtolower($this->parseCDATA($string));
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27: | if ($string === 'none') {
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28: | return $string;
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29: | }
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30: |
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31: | $parts = explode(' ', $string);
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32: | $final = '';
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33: | foreach ($parts as $part) {
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34: | if (isset($allowed_values[$part])) {
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35: | $final .= $part . ' ';
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36: | }
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37: | }
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38: | $final = rtrim($final);
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39: | if ($final === '') {
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40: | return false;
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41: | }
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42: | return $final;
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43: | }
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44: | }
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