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<?php /** * Pre-transform that changes deprecated hspace and vspace attributes to CSS */ class HTMLPurifier_AttrTransform_ImgSpace extends HTMLPurifier_AttrTransform { /** * @type string */ protected $attr; /** * @type array */ protected $css = array( 'hspace' => array('left', 'right'), 'vspace' => array('top', 'bottom') ); /** * @param string $attr */ public function __construct($attr) { $this->attr = $attr; if (!isset($this->css[$attr])) { trigger_error(htmlspecialchars($attr) . ' is not valid space attribute'); } } /** * @param array $attr * @param HTMLPurifier_Config $config * @param HTMLPurifier_Context $context * @return array */ public function transform($attr, $config, $context) { if (!isset($attr[$this->attr])) { return $attr; } $width = $this->confiscateAttr($attr, $this->attr); // some validation could happen here if (!isset($this->css[$this->attr])) { return $attr; } $style = ''; foreach ($this->css[$this->attr] as $suffix) { $property = "margin-$suffix"; $style .= "$property:{$width}px;"; } $this->prependCSS($attr, $style); return $attr; } } // vim: et sw=4 sts=4