mirror of
https://github.com/ezyang/htmlpurifier.git
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50 lines
1.3 KiB
PHP
50 lines
1.3 KiB
PHP
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<?php
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require_once 'HTMLPurifier/AttrTransform.php';
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/**
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* Pre-transform that changes deprecated hspace and vspace attributes to CSS
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*/
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class HTMLPurifier_AttrTransform_ImgSpace
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extends HTMLPurifier_AttrTransform {
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var $attr;
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var $css = array(
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'hspace' => array('left', 'right'),
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'vspace' => array('top', 'bottom')
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);
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function HTMLPurifier_AttrTransform_ImgSpace($attr) {
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$this->attr = $attr;
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if (!isset($this->css[$attr])) {
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trigger_error(htmlspecialchars($attr) . ' is not valid space attribute');
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}
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}
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function transform($attr, $config, &$context) {
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if (!isset($attr[$this->attr])) return $attr;
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$width = $attr[$this->attr];
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unset($attr[$this->attr]);
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// some validation could happen here
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if (!isset($this->css[$this->attr])) return $attr;
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$attr['style'] = isset($attr['style']) ? $attr['style'] : '';
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$style = '';
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foreach ($this->css[$this->attr] as $suffix) {
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$property = "margin-$suffix";
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$style .= "$property:{$width}px;";
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}
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$attr['style'] = $style . $attr['style'];
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return $attr;
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}
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}
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?>
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