mirror of
https://github.com/ezyang/htmlpurifier.git
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f2df669eec
git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1421 48356398-32a2-884e-a903-53898d9a118a
59 lines
1.6 KiB
PHP
59 lines
1.6 KiB
PHP
<?php
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HTMLPurifier_ConfigSchema::define(
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'Attr', 'IDBlacklist', array(), 'list',
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'Array of IDs not allowed in the document.'
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);
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/**
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* Component of HTMLPurifier_AttrContext that accumulates IDs to prevent dupes
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* @note In Slashdot-speak, dupe means duplicate.
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* @note The default constructor does not accept $config or $context objects:
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* use must use the static build() factory method to perform initialization.
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*/
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class HTMLPurifier_IDAccumulator
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{
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/**
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* Lookup table of IDs we've accumulated.
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* @public
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*/
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var $ids = array();
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/**
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* Builds an IDAccumulator, also initializing the default blacklist
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* @param $config Instance of HTMLPurifier_Config
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* @param $context Instance of HTMLPurifier_Context
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* @return Fully initialized HTMLPurifier_IDAccumulator
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* @static
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*/
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function build($config, &$context) {
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$id_accumulator = new HTMLPurifier_IDAccumulator();
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$id_accumulator->load($config->get('Attr', 'IDBlacklist'));
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return $id_accumulator;
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}
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/**
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* Add an ID to the lookup table.
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* @param $id ID to be added.
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* @return Bool status, true if success, false if there's a dupe
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*/
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function add($id) {
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if (isset($this->ids[$id])) return false;
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return $this->ids[$id] = true;
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}
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/**
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* Load a list of IDs into the lookup table
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* @param $array_of_ids Array of IDs to load
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* @note This function doesn't care about duplicates
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*/
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function load($array_of_ids) {
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foreach ($array_of_ids as $id) {
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$this->ids[$id] = true;
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}
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}
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}
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