mirror of
https://github.com/ezyang/htmlpurifier.git
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55 lines
1.7 KiB
PHP
55 lines
1.7 KiB
PHP
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<?php
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require_once 'HTMLPurifier/ChildDef.php';
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/**
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* Definition that uses different definitions depending on context.
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*
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* The del and ins tags are notable because they allow different types of
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* elements depending on whether or not they're in a block or inline context.
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* Chameleon allows this behavior to happen by using two different
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* definitions depending on context. While this somewhat generalized,
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* it is specifically intended for those two tags.
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*/
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class HTMLPurifier_ChildDef_Chameleon extends HTMLPurifier_ChildDef
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{
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/**
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* Instance of the definition object to use when inline. Usually stricter.
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*/
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var $inline;
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/**
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* Instance of the definition object to use when block.
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*/
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var $block;
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/**
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* @param $inline List of elements to allow when inline.
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* @param $block List of elements to allow when block.
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*/
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function HTMLPurifier_ChildDef_Chameleon($inline, $block) {
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$this->inline = new HTMLPurifier_ChildDef_Optional($inline);
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$this->block = new HTMLPurifier_ChildDef_Optional($block);
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}
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function validateChildren($tokens_of_children, $config, &$context) {
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$parent_type = $context->get('ParentType');
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switch ($parent_type) {
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case 'unknown':
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case 'inline':
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$result = $this->inline->validateChildren(
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$tokens_of_children, $config, $context);
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break;
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case 'block':
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$result = $this->block->validateChildren(
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$tokens_of_children, $config, $context);
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break;
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default:
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trigger_error('Invalid context', E_USER_ERROR);
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return false;
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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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