<?php

/**
 * Object that provides entity lookup table from entity name to character
 */
class HTMLPurifier_EntityLookup
{
    /**
     * Assoc array of entity name to character represented.
     * @type array
     */
    public $table;

    /**
     * Sets up the entity lookup table from the serialized file contents.
     * @param bool $file
     * @note The serialized contents are versioned, but were generated
     *       using the maintenance script generate_entity_file.php
     * @warning This is not in constructor to help enforce the Singleton
     */
    public function setup($file = false)
    {
        if (!$file) {
            $file = HTMLPURIFIER_PREFIX . '/HTMLPurifier/EntityLookup/entities.ser';
        }
        $this->table = unserialize(file_get_contents($file));
    }

    /**
     * Retrieves sole instance of the object.
     * @param bool|HTMLPurifier_EntityLookup $prototype Optional prototype of custom lookup table to overload with.
     * @return HTMLPurifier_EntityLookup
     */
    public static function instance($prototype = false)
    {
        // no references, since PHP doesn't copy unless modified
        static $instance = null;
        if ($prototype) {
            $instance = $prototype;
        } elseif (!$instance) {
            $instance = new HTMLPurifier_EntityLookup();
            $instance->setup();
        }
        return $instance;
    }
}

// vim: et sw=4 sts=4

• [D] AttrDef
• [D] AttrTransform
• [D] ChildDef
• [D] ConfigSchema
• [D] DefinitionCache
• [D] EntityLookup
• [D] Filter
• [D] HTMLModule
• [D] Injector
• [D] Language
• [D] Lexer
• [D] Node
• [D] Printer
• [D] Strategy
• [D] TagTransform
• [D] Token
• [D] URIFilter
• [D] URIScheme
• [D] VarParser
• [F] Arborize.php
  Delete
• [F] AttrCollections.php
  Delete
• [F] AttrDef.php
  Delete
• [F] AttrTransform.php
  Delete
• [F] AttrTypes.php
  Delete
• [F] AttrValidator.php
  Delete
• [F] Bootstrap.php
  Delete
• [F] ChildDef.php
  Delete
• [F] Config.php
  Delete
• [F] ConfigSchema.php
  Delete
• [F] ContentSets.php
  Delete
• [F] Context.php
  Delete
• [F] CSSDefinition.php
  Delete
• [F] Definition.php
  Delete
• [F] DefinitionCache.php
  Delete
• [F] DefinitionCacheFactory.php
  Delete
• [F] Doctype.php
  Delete
• [F] DoctypeRegistry.php
  Delete
• [F] ElementDef.php
  Delete
• [F] Encoder.php
  Delete
• [F] EntityLookup.php
  Delete
• [F] EntityParser.php
  Delete
• [F] ErrorCollector.php
  Delete
• [F] ErrorStruct.php
  Delete
• [F] Exception.php
  Delete
• [F] Filter.php
  Delete
• [F] Generator.php
  Delete
• [F] HTMLDefinition.php
  Delete
• [F] HTMLModule.php
  Delete
• [F] HTMLModuleManager.php
  Delete
• [F] IDAccumulator.php
  Delete
• [F] Injector.php
  Delete
• [F] Language.php
  Delete
• [F] LanguageFactory.php
  Delete
• [F] Length.php
  Delete
• [F] Lexer.php
  Delete
• [F] Node.php
  Delete
• [F] PercentEncoder.php
  Delete
• [F] Printer.php
  Delete
• [F] PropertyList.php
  Delete
• [F] PropertyListIterator.php
  Delete
• [F] Queue.php
  Delete
• [F] Strategy.php
  Delete
• [F] StringHash.php
  Delete
• [F] StringHashParser.php
  Delete
• [F] TagTransform.php
  Delete
• [F] Token.php
  Delete
• [F] TokenFactory.php
  Delete
• [F] UnitConverter.php
  Delete
• [F] URI.php
  Delete
• [F] URIDefinition.php
  Delete
• [F] URIFilter.php
  Delete
• [F] URIParser.php
  Delete
• [F] URIScheme.php
  Delete
• [F] URISchemeRegistry.php
  Delete
• [F] VarParser.php
  Delete
• [F] VarParserException.php
  Delete
• [F] Zipper.php
  Delete

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