mirror of
https://github.com/ezyang/htmlpurifier.git
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238678871e
- Defined new directive %Core.EscapeInvalidChildren, for previously commented out functionality - Removed convenience configuration generation: you *have* to pass it unless you're interfacing with HTMLPurifier - Homogenized function parameters even when only a few of them are used - Rewrote unit tests that expected previous behavior - Introduced configuration object to ChildDef tests git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@243 48356398-32a2-884e-a903-53898d9a118a
63 lines
2.0 KiB
PHP
63 lines
2.0 KiB
PHP
<?php
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require_once 'HTMLPurifier/Strategy.php';
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require_once 'HTMLPurifier/Definition.php';
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require_once 'HTMLPurifier/Generator.php';
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require_once 'HTMLPurifier/TagTransform.php';
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/**
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* Removes all unrecognized tags from the list of tokens.
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*
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* This strategy iterates through all the tokens and removes unrecognized
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* tokens. If a token is not recognized but a TagTransform is defined for
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* that element, the element will be transformed accordingly.
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*/
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class HTMLPurifier_Strategy_RemoveForeignElements extends HTMLPurifier_Strategy
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{
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var $generator;
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var $definition;
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function HTMLPurifier_Strategy_RemoveForeignElements() {
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$this->generator = new HTMLPurifier_Generator();
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$this->definition = HTMLPurifier_Definition::instance();
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}
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function execute($tokens, $config) {
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$result = array();
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foreach($tokens as $token) {
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if (!empty( $token->is_tag )) {
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// DEFINITION CALL
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if (isset($this->definition->info[$token->name])) {
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// leave untouched
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} elseif (
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isset($this->definition->info_tag_transform[$token->name])
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) {
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// there is a transformation for this tag
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// DEFINITION CALL
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$token = $this->
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definition->
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info_tag_transform[$token->name]->
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transform($token);
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} else {
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// invalid tag, generate HTML and insert in
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$token = new HTMLPurifier_Token_Text(
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$this->generator->generateFromToken($token)
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);
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}
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} elseif ($token->type == 'comment') {
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// strip comments
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continue;
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} elseif ($token->type == 'text') {
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} else {
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continue;
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}
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$result[] = $token;
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}
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return $result;
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}
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}
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?>
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