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<?php
/**
* Decorator that, depending on a token, switches between two definitions.
*/
class HTMLPurifier_AttrDef_Switch
{
protected $tag;
protected $withTag, $withoutTag;
/**
* @param string $tag Tag name to switch upon
* @param HTMLPurifier_AttrDef $with_tag Call if token matches tag
* @param HTMLPurifier_AttrDef $without_tag Call if token doesn't match, or there is no token
*/
public function __construct($tag, $with_tag, $without_tag) {
$this->tag = $tag;
$this->withTag = $with_tag;
$this->withoutTag = $without_tag;
}
public function validate($string, $config, $context) {
$token = $context->get('CurrentToken', true);
if (!$token || $token->name !== $this->tag) {
return $this->withoutTag->validate($string, $config, $context);
} else {
return $this->withTag->validate($string, $config, $context);
}
}
}
// vim: et sw=4 sts=4
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