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62 lines
1.4 KiB
PHP
62 lines
1.4 KiB
PHP
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<?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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