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42 lines
1.0 KiB
42 lines
1.0 KiB
4 years ago
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<?php
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/**
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* Post-transform that performs validation to the name attribute; if
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* it is present with an equivalent id attribute, it is passed through;
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* otherwise validation is performed.
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*/
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class HTMLPurifier_AttrTransform_NameSync extends HTMLPurifier_AttrTransform
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{
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public function __construct()
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{
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$this->idDef = new HTMLPurifier_AttrDef_HTML_ID();
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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['name'])) {
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return $attr;
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}
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$name = $attr['name'];
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if (isset($attr['id']) && $attr['id'] === $name) {
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return $attr;
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}
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$result = $this->idDef->validate($name, $config, $context);
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if ($result === false) {
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unset($attr['name']);
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} else {
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$attr['name'] = $result;
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}
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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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