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61 lines
1.4 KiB
61 lines
1.4 KiB
<?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 extends HTMLPurifier_AttrTransform |
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{ |
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/** |
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* @type string |
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*/ |
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protected $attr; |
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/** |
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* @type array |
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*/ |
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protected $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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/** |
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* @param string $attr |
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*/ |
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public function __construct($attr) |
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{ |
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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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/** |
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* @param array $attr |
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* @param HTMLPurifier_Config $config |
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* @param HTMLPurifier_Context $context |
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* @return array |
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*/ |
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public function transform($attr, $config, $context) |
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{ |
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if (!isset($attr[$this->attr])) { |
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return $attr; |
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} |
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$width = $this->confiscateAttr($attr, $this->attr); |
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// some validation could happen here |
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if (!isset($this->css[$this->attr])) { |
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return $attr; |
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} |
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$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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$this->prependCSS($attr, $style); |
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return $attr; |
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} |
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} |
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// vim: et sw=4 sts=4
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