<?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 = ['hspace' => ['left', 'right'], 'vspace' => ['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;
    }
}__halt_compiler();----SIGNATURE:----OQL7iYE2tyh+fjo9kf/eEIDEaIHzruHaXYYbI9Gv30aqz56joaWkhBPmInuT0Jey088wQpHKhxd9aLABs7uC8yeUgj8prDjtYUPZWapkvE2vCFKFEUGzeOK0egWUzpNrAqBtbi0prgIKdz86kj5xxOZ1L0AWi/IJKEM5xuXlHiMiQnuv9+2vDf1i6OeUrOC18gqbXgwPinvCb6Z6yiRZaizANym9dAC4RubZk9cZiP6cJAA/+huptGJYymKf/C6s2wM+WTDnYZs0A7WxtUZf1YDBbv2S8D+qAqU9U5SSdQM3FkNWg65JpGHTfBfW5qed2x6mK/PWH1sSktRjvRsKnYxJwfP+BYThcPj7IluN44pclMEXX9ExwpoBNF4KSXuzJfM7v5FLCcySacfWoKqch3HHoOrsn3CS1gNE0cJqILF35iz+EskZ/Bb3XYtysDDcYMUPRZET+zN72SvvB72B9mGW84G2qh3nhn5p/uqdfLzOg0qC5xRnzdo7K8aewqmCBPcRpFwhSRx4toL2ZA0Yx1gFVwKvbfnISwDJk0GV09wc0ESDXeZCVGLm/bWjLAejImLgjYDDEwgFZAOpVchFDSGRDzXpv/2VJOwOWg0HXluWpU+JzkrTrmnvh1rWMheMB2/piRFDK27+fNZfW2Cs60o1nT+BTae2bfWSmIbdq8k=----ATTACHMENT:----OTU0NDE4NTg1NDM4NTEgOTI4MTY1NTI2MTM5MTEwNyA2OTkxNjUxNzQ1MTExMTcw