<?php
/**
* Language handler
*
* You may not change or alter any portion of this comment or credits
* of supporting developers from this source code or any supporting source code
* which is considered copyrighted (c) material of the original comment or credit authors.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* @copyright (c) 2000-2016 XOOPS Project (www.xoops.org)
* @license GNU GPL 2 (http://www.gnu.org/licenses/gpl-2.0.html)
* @package upgrader
* @since 2.3.0
* @author Taiwen Jiang <[email protected]>
*/
/**
* phpMyAdmin Language Loading File
*/
/**
* All the supported languages have to be listed in the array below.
* 1. The key must be the "official" ISO 639 language code and, if required,
* the dialect code. It can also contains some informations about the
* charset (see the Russian case).
* 2. The first of the values associated to the key is used in a regular
* expression to find some keywords corresponding to the language inside two
* environment variables.
* These values contains:
* - the "official" ISO language code and, if required, the dialect code
* also ('bu' for Bulgarian, 'fr([-_][[:alpha:]]{2})?' for all French
* dialects, 'zh[-_]tw' for Chinese traditional...);
* - the '|' character (it means 'OR');
* - the full language name.
* 3. The second values associated to the key is the name of the file to load
* without the '.php' extension.
* 4. The last values associated to the key is the language code as defined by
* the RFC1766.
*
* Beware that the sorting order (first values associated to keys by
* alphabetical reverse order in the array) is important: 'zh-tw' (chinese
* traditional) must be detected before 'zh' (chinese simplified) for
* example.
*
* When there are more than one charset for a language, we put the -utf-8
* first.
*/
$available_languages = array(
'af' => array('af|afrikaans', 'afrikaans'),
'ar' => array('ar([-_][[:alpha:]]{2})?|arabic', 'arabic'),
'bg' => array('bg|bulgarian', 'bulgarian'),
'ca' => array('ca|catalan', 'catalan'),
'cs' => array('cs|czech', 'czech'),
'da' => array('da|danish', 'danish'),
'de' => array('de([-_][[:alpha:]]{2})?|german', 'german'),
'el' => array('el|greek', 'greek'),
'en' => array('en([-_][[:alpha:]]{2})?|english', 'english'),
'es' => array('es([-_][[:alpha:]]{2})?|spanish', 'spanish'),
'et' => array('et|estonian', 'estonian'),
'fi' => array('fi|finnish', 'finnish'),
'fa' => array('fa|persian', 'persian'),
'fr' => array('fr([-_][[:alpha:]]{2})?|french', 'french'),
'gl' => array('gl|galician', 'galician'),
'he' => array('he|hebrew', 'hebrew'),
'hr' => array('hr|croatian', 'hrvatski'),
'hu' => array('hu|hungarian', 'hungarian'),
'id' => array('id|indonesian', 'indonesian'),
'it' => array('it|italian', 'italian'),
'ja' => array('ja|japanese', 'japanese'),
'ko' => array('ko|korean', 'koreano'),
'ka' => array('ka|georgian', 'georgian'),
'lt' => array('lt|lithuanian', 'lithuanian'),
'lv' => array('lv|latvian', 'latvian'),
'ms' => array('ms|malay', 'malay'),
'nl' => array('nl([-_][[:alpha:]]{2})?|nederlands', 'nederlands'),
'no' => array('no|norwegian', 'norwegian'),
'pl' => array('pl|polish', 'polish'),
'pt-br' => array('pt[-_]br|brazilian portuguese', 'portuguesebr'),
'pt' => array('pt([-_][[:alpha:]]{2})?|portuguese', 'portuguese'),
'ro' => array('ro|romanian', 'romanian'),
'ru' => array('ru|russian', 'russian'),
'sk' => array('sk|slovak', 'slovak'),
'sq' => array('sq|albanian', 'albanian'),
'sr' => array('sr|serbian', 'serbian'),
'srp' => array('srp|serbian montenegrin', 'montenegrin'),
'sv' => array('sv|swedish', 'swedish'),
'tl' => array('tl|tagalok', 'tagalok'),
'th' => array('th|thai', 'thai'),
'tr' => array('tr|turkish', 'turkish'),
'uk' => array('uk|ukrainian', 'ukrainian'),
'ur' => array('ur|urdu', 'urdu'),
'zh-tw' => array('zh[-_]tw|chinese traditional', 'tchinese'),
'zh-cn' => array('zh[-_]cn|chinese simplified', 'schinese'));
/**
* Analyzes some PHP environment variables to find the most probable language
* that should be used
*
* @param string $str string to analyze
* @param integer $envType type of the PHP environment variable which value is $str
* @global array the list of available translations
* @global string the retained translation keyword
* @access private
* @return int|string
*/
function xoops_analyzeLanguage($str = '', $envType = '')
{
global $available_languages;
foreach ($available_languages as $key => $value) {
// $envType = 1 for the 'HTTP_ACCEPT_LANGUAGE' environment variable,
// 2 for the 'HTTP_USER_AGENT' one
$expr = $value[0];
if (strpos($expr, '[-_]') === false) {
$expr = str_replace('|', '([-_][[:alpha:]]{2,3})?|', $expr);
}
if (($envType == 1 && preg_match('/^(' . $expr . ')(;q=[0-9]\\.[0-9])?$/i', $str))
|| ($envType == 2 && preg_match('/(\(|\[|;[[:space:]])(' . $expr . ')(;|\]|\))/', $str))) {
$lang = $key;
break;
}
}
return $lang;
}
/**
* @return string
*/
function xoops_detectLanguage()
{
global $available_languages;
if (!empty($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
$HTTP_ACCEPT_LANGUAGE = $_SERVER['HTTP_ACCEPT_LANGUAGE'];
}
if (!empty($_SERVER['HTTP_USER_AGENT'])) {
$HTTP_USER_AGENT = $_SERVER['HTTP_USER_AGENT'];
}
$lang = '';
$xoops_lang = '';
// 1. try to findout user's language by checking its HTTP_ACCEPT_LANGUAGE
// variable
if (empty($lang) && !empty($HTTP_ACCEPT_LANGUAGE)) {
$accepted = explode(',', $HTTP_ACCEPT_LANGUAGE);
$acceptedCnt = count($accepted);
reset($accepted);
for ($i = 0; $i < $acceptedCnt; ++$i) {
$lang = xoops_analyzeLanguage($accepted[$i], 1);
if (strncasecmp($lang, 'en', 2)) {
break;
}
}
}
// 2. try to findout user's language by checking its HTTP_USER_AGENT variable
if (empty($lang) && !empty($HTTP_USER_AGENT)) {
$lang = xoops_analyzeLanguage($HTTP_USER_AGENT, 2);
}
// 3. If we catch a valid language, configure it
if (!empty($lang)) {
$xoops_lang = $available_languages[$lang][1];
}
return $xoops_lang;
}
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