:arrow_up: Update HTML Purifier library.

Updated HTML Purifier from 4.6.0 to 4.9.2 with better PHP7 compatibility.
Used composer to manage this library.

1 files changed, 0 insertions, 209 deletions

diff --git a/library/HTMLPurifier/LanguageFactory.php b/library/HTMLPurifier/LanguageFactory.php
deleted file mode 100644
index 4e35272d8..000000000
--- a/library/HTMLPurifier/LanguageFactory.php
+++ /dev/null
@@ -1,209 +0,0 @@
-<?php
-
-/**
- * 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
- * @todo Serialized cache for languages
- */
-class HTMLPurifier_LanguageFactory
-{
-
-    /**
-     * Cache of language code information used to load HTMLPurifier_Language objects.
-     * Structure is: $factory->cache[$language_code][$key] = $value
-     * @type array
-     */
-    public $cache;
-
-    /**
-     * Valid keys in the HTMLPurifier_Language object. Designates which
-     * variables to slurp out of a message file.
-     * @type array
-     */
-    public $keys = array('fallback', 'messages', 'errorNames');
-
-    /**
-     * Instance to validate language codes.
-     * @type HTMLPurifier_AttrDef_Lang
-     *
-     */
-    protected $validator;
-
-    /**
-     * Cached copy of dirname(__FILE__), directory of current file without
-     * trailing slash.
-     * @type string
-     */
-    protected $dir;
-
-    /**
-     * Keys whose contents are a hash map and can be merged.
-     * @type array
-     */
-    protected $mergeable_keys_map = array('messages' => true, 'errorNames' => true);
-
-    /**
-     * Keys whose contents are a list and can be merged.
-     * @value array lookup
-     */
-    protected $mergeable_keys_list = array();
-
-    /**
-     * Retrieve sole instance of the factory.
-     * @param HTMLPurifier_LanguageFactory $prototype Optional prototype to overload sole instance with,
-     *                   or bool true to reset to default factory.
-     * @return HTMLPurifier_LanguageFactory
-     */
-    public static function instance($prototype = null)
-    {
-        static $instance = null;
-        if ($prototype !== null) {
-            $instance = $prototype;
-        } elseif ($instance === null || $prototype == true) {
-            $instance = new HTMLPurifier_LanguageFactory();
-            $instance->setup();
-        }
-        return $instance;
-    }
-
-    /**
-     * Sets up the singleton, much like a constructor
-     * @note Prevents people from getting this outside of the singleton
-     */
-    public function setup()
-    {
-        $this->validator = new HTMLPurifier_AttrDef_Lang();
-        $this->dir = HTMLPURIFIER_PREFIX . '/HTMLPurifier';
-    }
-
-    /**
-     * Creates a language object, handles class fallbacks
-     * @param HTMLPurifier_Config $config
-     * @param HTMLPurifier_Context $context
-     * @param bool|string $code Code to override configuration with. Private parameter.
-     * @return HTMLPurifier_Language
-     */
-    public function create($config, $context, $code = false)
-    {
-        // validate language code
-        if ($code === false) {
-            $code = $this->validator->validate(
-                $config->get('Core.Language'),
-                $config,
-                $context
-            );
-        } else {
-            $code = $this->validator->validate($code, $config, $context);
-        }
-        if ($code === false) {
-            $code = 'en'; // malformed code becomes English
-        }
-
-        $pcode = str_replace('-', '_', $code); // make valid PHP classname
-        static $depth = 0; // recursion protection
-
-        if ($code == 'en') {
-            $lang = new HTMLPurifier_Language($config, $context);
-        } else {
-            $class = 'HTMLPurifier_Language_' . $pcode;
-            $file  = $this->dir . '/Language/classes/' . $code . '.php';
-            if (file_exists($file) || class_exists($class, false)) {
-                $lang = new $class($config, $context);
-            } else {
-                // Go fallback
-                $raw_fallback = $this->getFallbackFor($code);
-                $fallback = $raw_fallback ? $raw_fallback : 'en';
-                $depth++;
-                $lang = $this->create($config, $context, $fallback);
-                if (!$raw_fallback) {
-                    $lang->error = true;
-                }
-                $depth--;
-            }
-        }
-        $lang->code = $code;
-        return $lang;
-    }
-
-    /**
-     * Returns the fallback language for language
-     * @note Loads the original language into cache
-     * @param string $code language code
-     * @return string|bool
-     */
-    public function getFallbackFor($code)
-    {
-        $this->loadLanguage($code);
-        return $this->cache[$code]['fallback'];
-    }
-
-    /**
-     * Loads language into the cache, handles message file and fallbacks
-     * @param string $code language code
-     */
-    public function loadLanguage($code)
-    {
-        static $languages_seen = array(); // recursion guard
-
-        // abort if we've already loaded it
-        if (isset($this->cache[$code])) {
-            return;
-        }
-
-        // generate filename
-        $filename = $this->dir . '/Language/messages/' . $code . '.php';
-
-        // default fallback : may be overwritten by the ensuing include
-        $fallback = ($code != 'en') ? 'en' : false;
-
-        // load primary localisation
-        if (!file_exists($filename)) {
-            // skip the include: will rely solely on fallback
-            $filename = $this->dir . '/Language/messages/en.php';
-            $cache = array();
-        } else {
-            include $filename;
-            $cache = compact($this->keys);
-        }
-
-        // load fallback localisation
-        if (!empty($fallback)) {
-
-            // infinite recursion guard
-            if (isset($languages_seen[$code])) {
-                trigger_error(
-                    'Circular fallback reference in language ' .
-                    $code,
-                    E_USER_ERROR
-                );
-                $fallback = 'en';
-            }
-            $language_seen[$code] = true;
-
-            // load the fallback recursively
-            $this->loadLanguage($fallback);
-            $fallback_cache = $this->cache[$fallback];
-
-            // merge fallback with current language
-            foreach ($this->keys as $key) {
-                if (isset($cache[$key]) && isset($fallback_cache[$key])) {
-                    if (isset($this->mergeable_keys_map[$key])) {
-                        $cache[$key] = $cache[$key] + $fallback_cache[$key];
-                    } elseif (isset($this->mergeable_keys_list[$key])) {
-                        $cache[$key] = array_merge($fallback_cache[$key], $cache[$key]);
-                    }
-                } else {
-                    $cache[$key] = $fallback_cache[$key];
-                }
-            }
-        }
-
-        // save to cache for later retrieval
-        $this->cache[$code] = $cache;
-        return;
-    }
-}
-
-// vim: et sw=4 sts=4