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htmlpurifier/library/HTMLPurifier/AttrDef/Switch.php
Edward Z. Yang 1a95852007 [3.1.1] Implement more robust imagecrash protection for CSS width/height.
- Change API for HTMLPurifier_AttrDef_CSS_Length
- Implement HTMLPurifier_AttrDef_Switch class
- Implement HTMLPurifier_Length->compareTo, and make make() accept object instances

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1754 48356398-32a2-884e-a903-53898d9a118a
2008-05-21 01:56:48 +00:00

33 lines
965 B
PHP

<?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);
}
}
}