Expolibre-3-www/lib/i18n.php

73 lines
2.0 KiB
PHP

<?php
$current_dir= basename (getcwd ());
/*
* Language registration
*/
$registered_languages= array();
function register_lang ( $code, $lang ) {
global $registered_languages;
$registered_languages[$code]= $lang;
}
if ($current_dir == "expolibre.org")
include ("languages.php");
else
include ("../languages.php");
/*
* Prefered language detection
*/
function prefered_language () {
global $registered_languages;
$locale= locale_accept_from_http ($_SERVER['HTTP_ACCEPT_LANGUAGE']);
return locale_lookup (array_keys ($registered_languages), $locale, true, 'fr');
}
/*
* URL translation
*/
function url_translate ($url, $to) {
global $registered_languages;
$current_dir= basename (getcwd ());
if ($current_dir == "expolibre.org")
$from= 'fr';
else
$from= $current_dir;
$name= basename ($url);
$index= array_search ($name, $registered_languages[$from]['pages']);
if ($index === false)
return $registered_languages[$to]['loc'];
return $registered_languages[$to]['loc'] . $registered_languages[$to]['pages'][$index];
}
/*
* Redirect to prefered language, if needed, when referer is none or ourself
*/
$server_names= array('expolibre.org', 'www.expolibre.org', 'libreexpo.org', 'www.libreexpo.org');
if (!isset ($_SERVER['HTTP_REFERER']) or (
strrpos ($_SERVER['HTTP_REFERER'], 'expolibre.org') === false and
strrpos ($_SERVER['HTTP_REFERER'], 'libreexpo.org') === false)) {
# if we are deep in the tree we don't upgrade language: it may be choosen
if ($current_dir == "expolibre.org") {
$current_dir= $registered_languages['fr']['loc'];
$prefered_dir= $registered_languages[prefered_language ()]['loc'];
if (basename($current_dir) != basename ($prefered_dir)) {
header ("Location: " . url_translate ($_SERVER['REQUEST_URI'], prefered_language ()));
}
# if we are not on the good domain
if ($prefered_dir and false === strpos($prefered_dir, $_SERVER['SERVER_NAME'])) {
header ("Location: " . url_translate ($_SERVER['REQUEST_URI'], prefered_language ()));
}
}
}
?>