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57 lines
1.6 KiB
57 lines
1.6 KiB
<?php |
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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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public $ids = array(); |
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/** |
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* Builds an IDAccumulator, also initializing the default blacklist |
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* @param HTMLPurifier_Config $config Instance of HTMLPurifier_Config |
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* @param HTMLPurifier_Context $context Instance of HTMLPurifier_Context |
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* @return HTMLPurifier_IDAccumulator Fully initialized HTMLPurifier_IDAccumulator |
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*/ |
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public static function build($config, $context) |
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{ |
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$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 string $id ID to be added. |
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* @return bool status, true if success, false if there's a dupe |
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*/ |
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public function add($id) |
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{ |
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if (isset($this->ids[$id])) { |
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return false; |
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} |
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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 $array_of_ids Array of IDs to load |
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* @note This function doesn't care about duplicates |
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*/ |
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public function load($array_of_ids) |
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{ |
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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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// vim: et sw=4 sts=4
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