includes/class_language.php

   1 <?php
   2 /*=====================================================================*\
   3 || ################################################################### ||
   4 || # app [#]version[#]
   5 || # --------------------------------------------------------------- # ||
   6 || # Copyright ©2002-[#]year[#] by Iris Studios, Inc. All Rights Reserved. # ||
   7 || # This file may not be reproduced in any way without permission.  # ||
   8 || # --------------------------------------------------------------- # ||
   9 || # User License Agreement at http://www.iris-studios.com/license/  # ||
  10 || ################################################################### ||
  11 \*=====================================================================*/
  12
  13 /**
  14 * Language management class. Because this uses Simpleton we want to
  15 * keep names as short as short as possible
  16 */
  17 class lang
  18 {
  19         var $language = array();
  20         var $vars = array();
  21
  22         /**
  23         * Singleton initializer
  24         *
  25         * @param        integer Language ID
  26         * @return       object  An instance of the class
  27         */
  28         function init($languageid = 0)
  29         {
  30                 static $instance;
  31
  32                 if (!$instance)
  33                 {
  34                         $instance = new lang();
  35                         $instance->load($instance->select());
  36                 }
  37
  38                 return $instance;
  39         }
  40
  41         /**
  42         * Initializes the language system by fetching the appropriate language
  43         *
  44         * @param        integer Language ID
  45         */
  46         function load($languageid)
  47         {
  48                 global $bugsys;
  49
  50                 $phrases = $bugsys->db->query("
  51                         (SELECT varname, phrasetext FROM " . TABLE_PREFIX . "phrase)
  52                                 UNION ALL
  53                         (SELECT varname, phrasetext FROM " . TABLE_PREFIX . "locale WHERE languageid = " . intval($languageid) . ")"
  54                 );
  55                 while ($phrase = $bugsys->db->fetch_array($phrases))
  56                 {
  57                         $this->language["$phrase[varname]"] = $phrase['phrasetext'];
  58                 }
  59                 $bugsys->db->free_result($phrases);
  60         }
  61
  62         /**
  63         * Selects the proper language for the user
  64         *
  65         * @return       integer The language ID that will be used
  66         */
  67         function select()
  68         {
  69                 global $bugsys;
  70
  71                 if ($bugsys->userinfo['userid'])
  72                 {
  73                         $languageid = $bugsys->userinfo['languageid'];
  74                         $language = $bugsys->datastore['language']["$languageid"];
  75                 }
  76                 if (!$languageid)
  77                 {
  78                         foreach ($bugsys->datastore['language'] AS $language)
  79                         {
  80                                 if ($language['default'])
  81                                 {
  82                                         $languageid = $language['languageid'];
  83                                         $language = $bugsys->datastore['language']["$languageid"];
  84                                         break;
  85                                 }
  86                         }
  87                 }
  88
  89                 $this->vars['id'] = $language['languageid'];
  90                 $this->vars['charset'] = $language['charset'];
  91                 $this->vars['direction'] = $language['direction'];
  92                 $this->vars['code'] = $language['languagecode'];
  93
  94                 return $languageid;
  95         }
  96
  97         /**
  98         * Fetches a phrase from the language array
  99         *
 100         * @param        string  Phrase name
 101         * @return       string  The phrase text
 102         */
 103         function fetch_phrase($phrasename)
 104         {
 105                 return $this->language["$phrasename"];
 106         }
 107
 108         /**
 109         * Takes a phrase name and the arguments for it and constructs it
 110         *
 111         * @param        string          Phrase name
 112         * @param        arguments       Values for the arguments the phrase takes
 113         * @return       string          Processed phrase
 114         */
 115         function p()
 116         {
 117                 $obj =& lang::init();
 118
 119                 $args = func_get_args();
 120                 $numargs = sizeof($args);
 121
 122                 if ($numargs < 1)
 123                 {
 124                         return false;
 125                 }
 126
 127                 if ($phrasetext = $obj->fetch_phrase($args[0]))
 128                 {
 129                         if ($numargs < 2)
 130                         {
 131                                 $phrase = $phrasetext;
 132                         }
 133                         else
 134                         {
 135                                 $args[0] = $phrasetext;
 136                                 if (($phrase = @call_user_func_array('sprintf', $args)) === false)
 137                                 {
 138                                         global $bugsys;
 139                                         $bugsys->debug("$args[0] reported an sprintf() error; parsing manually");
 140
 141                                         for ($i = 1; $i < $numargs; $i++)
 142                                         {
 143                                                 $phrase = str_replace("%{$i}\$s", $args["$i"], $args[0]);
 144                                         }
 145                                 }
 146                         }
 147                         return preg_replace('#%([0-9].*?)\$s#', '<strong>[ARG \\1: UNDEFINED]</strong>', $phrase);
 148                 }
 149                 else
 150                 {
 151                         return "<strong>[UNDEFINED PHRASE: $args[0]]</strong>";
 152                 }
 153
 154                 return $phrase;
 155         }
 156
 157         /**
 158         * Fetches a variable from the vars array
 159         *
 160         * @param        string  Variable name
 161         * @return       mixed   The value of the variable
 162         */
 163         function fetch_var($varname)
 164         {
 165                 return $this->vars["$varname"];
 166         }
 167
 168         /**
 169         * Returns a variable about the language system
 170         *
 171         * @param        string  The name of the variable
 172         * @return       mixed   The value fof the variable
 173         */
 174         function v($varname)
 175         {
 176                 $obj =& lang::init();
 177                 return $obj->fetch_var($varname);
 178         }
 179 }
 180
 181 /*=====================================================================*\
 182 || ###################################################################
 183 || # $HeadURL$
 184 || # $Id$
 185 || ###################################################################
 186 \*=====================================================================*/
 187 ?>