library/HTMLPurifier/Language.php

   1 <?php
   2
   3 require_once 'HTMLPurifier/LanguageFactory.php';
   4
   5 class HTMLPurifier_Language
   6 {
   7
   8     /**
   9      * ISO 639 language code of language. Prefers shortest possible version
  10      */
  11     var $code = 'en';
  12
  13     /**
  14      * Fallback language code
  15      */
  16     var $fallback = false;
  17
  18     /**
  19      * Array of localizable messages
  20      */
  21     var $messages = array();
  22
  23     /**
  24      * Has the language object been loaded yet?
  25      * @private
  26      */
  27     var $_loaded = false;
  28
  29     /**
  30      * Loads language object with necessary info from factory cache
  31      * @note This is a lazy loader
  32      */
  33     function load() {
  34         if ($this->_loaded) return;
  35         $factory = HTMLPurifier_LanguageFactory::instance();
  36         $factory->loadLanguage($this->code);
  37         foreach ($factory->keys as $key) {
  38             $this->$key = $factory->cache[$this->code][$key];
  39         }
  40         $this->_loaded = true;
  41     }
  42
  43     /**
  44      * Retrieves a localised message.
  45      * @param $key string identifier of message
  46      * @return string localised message
  47      */
  48     function getMessage($key) {
  49         if (!$this->_loaded) $this->load();
  50         if (!isset($this->messages[$key])) return "[$key]";
  51         return $this->messages[$key];
  52     }
  53
  54     /**
  55      * Formats a localised message with passed parameters
  56      * @param $key string identifier of message
  57      * @param $param Parameter to substitute in (arbitrary number)
  58      * @return string localised message
  59      */
  60     function formatMessage($key) {
  61         if (!$this->_loaded) $this->load();
  62         if (!isset($this->messages[$key])) return "[$key]";
  63         $raw = $this->messages[$key];
  64         $args = func_get_args();
  65         $substitutions = array();
  66         for ($i = 1; $i < count($args); $i++) {
  67             $substitutions['$' . $i] = $args[$i];
  68         }
  69         return strtr($raw, $substitutions);
  70     }
  71
  72 }
  73
  74 ?>