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28 lines
696 B
28 lines
696 B
<?php
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/**
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* Pre-transform that changes proprietary background attribute to CSS.
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*/
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class HTMLPurifier_AttrTransform_Background extends HTMLPurifier_AttrTransform
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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['background'])) {
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return $attr;
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}
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$background = $this->confiscateAttr($attr, 'background');
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// some validation should happen here
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$this->prependCSS($attr, "background-image:url($background);");
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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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