Class HTMLPurifier_LanguageFactory

Class responsible for generating HTMLPurifier_Language objects, managing caching and fallbacks.

Note: Thanks to MediaWiki for the general logic, although this version has been entirely rewritten
Located at x2engine/framework/vendors/htmlpurifier/HTMLPurifier.standalone.php

Methods summary
`public static HTMLPurifier_LanguageFactory`	# `instance( HTMLPurifier_LanguageFactory $prototype = null )` Retrieve sole instance of the factory. Retrieve sole instance of the factory. Parameters `$prototype` `HTMLPurifier_LanguageFactory` $prototype Optional prototype to overload sole instance with, or bool true to reset to default factory. Returns `HTMLPurifier_LanguageFactory`
`public`	# `setup( )` Sets up the singleton, much like a constructor Sets up the singleton, much like a constructor Note Prevents people from getting this outside of the singleton
`public HTMLPurifier_Language`	# `create( HTMLPurifier_Config $config, HTMLPurifier_Context $context, boolean\|string $code = false )` Creates a language object, handles class fallbacks Creates a language object, handles class fallbacks Parameters `$config` `HTMLPurifier_Config` $config `$context` `HTMLPurifier_Context` $context `$code` `boolean\|string` $code Code to override configuration with. Private parameter. Returns `HTMLPurifier_Language`
`public string\|boolean`	# `getFallbackFor( string $code )` Returns the fallback language for language Returns the fallback language for language Parameters `$code` `string` $code language code Returns `string\|boolean` Note Loads the original language into cache
`public`	# `loadLanguage( string $code )` Loads language into the cache, handles message file and fallbacks Loads language into the cache, handles message file and fallbacks Parameters `$code` `string` $code language code

Properties summary
`public mixed`	`$cache`		# Cache of language code information used to load HTMLPurifier_Language objects. Structure is: $factory->cache[$language_code][$key] = $value Cache of language code information used to load HTMLPurifier_Language objects. Structure is: $factory->cache[$language_code][$key] = $value Type array
`public array`	`$keys`	`array('fallback', 'messages', 'errorNames')`	# Valid keys in the HTMLPurifier_Language object. Designates which variables to slurp out of a message file. Valid keys in the HTMLPurifier_Language object. Designates which variables to slurp out of a message file. Type array
`protected mixed`	`$validator`		# Instance to validate language codes. Instance to validate language codes. Type HTMLPurifier_AttrDef_Lang
`protected mixed`	`$dir`		# Cached copy of dirname(__FILE__), directory of current file without trailing slash. Cached copy of dirname(__FILE__), directory of current file without trailing slash. Type string
`protected array`	`$mergeable_keys_map`	`array('messages' => true, 'errorNames' => true)`	# Keys whose contents are a hash map and can be merged. Keys whose contents are a hash map and can be merged. Type array
`protected array`	`$mergeable_keys_list`	`array()`	# Keys whose contents are a list and can be merged. Keys whose contents are a list and can be merged. Value array lookup

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Class HTMLPurifier_LanguageFactory

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