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https://github.com/ezyang/htmlpurifier.git
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d660b9018b
- Add 1.1.3 section in NEWS - Replace tabs with four spaces in INSTALL - Renamed data.txt to entities.ser git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@481 48356398-32a2-884e-a903-53898d9a118a
45 lines
1.2 KiB
PHP
45 lines
1.2 KiB
PHP
<?php
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/**
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* Object that provides entity lookup table from entity name to character
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*/
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class HTMLPurifier_EntityLookup {
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/**
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* Assoc array of entity name to character represented.
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* @public
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*/
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var $table;
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/**
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* Sets up the entity lookup table from the serialized file contents.
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* @note The serialized contents are versioned, but were generated
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* using the maintenance script generate_entity_file.php
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* @warning This is not in constructor to help enforce the Singleton
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*/
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function setup($file = false) {
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if (!$file) {
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$file = dirname(__FILE__) . '/EntityLookup/entities.ser';
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}
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$this->table = unserialize(file_get_contents($file));
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}
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/**
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* Retrieves sole instance of the object.
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* @param Optional prototype of custom lookup table to overload with.
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*/
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function instance($prototype = false) {
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// no references, since PHP doesn't copy unless modified
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static $instance = null;
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if ($prototype) {
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$instance = $prototype;
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} elseif (!$instance) {
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$instance = new HTMLPurifier_EntityLookup();
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$instance->setup();
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}
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return $instance;
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}
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}
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?>
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