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<?php
/*
* This file contains code to set up and use the gettext-based localization
* system.
*
* Copyright 2005 Matt Brubeck
* This file is licensed under a Creative Commons license:
* http://creativecommons.org/licenses/by/2.0/
*/
require_once 'HTTP.php';
// Locale configuration variables.
$domain = "audacity_website";
$lang = "en";
$encoding = "UTF-8";
$cookie_days = 90;
// List of available languages.
$available_locales = array(
// Language code => Full locale name, Human-readable name.
"cs" => array("cs_CZ", "Česky"),
"de" => array("de_DE", "Deutsch"),
"el" => array("el_GR", "Ελληνικά"),
"en" => array("en_US", "English"),
"es" => array("es_ES", "Español"),
"fr" => array("fr_FR", "Français"),
"it" => array("it_IT", "Italiano"),
"hu" => array("hu_HU", "Magyar"),
"nb" => array("nb_NO", "Norsk (Bokmål)"),
"pt" => array("pt_BR", "Português"),
"sl" => array("sl_SI", "Slovenščina"),
"fi" => array("fi_FI", "Suomi"),
"sv" => array("sv_SE", "Svenska"),
"ja" => array("ja_JP", "日本語"),
"ru" => array("ru_RU", "Русский"),
"zh-CN" => array("zh_CN.UTF-8", "中文(简)"),
"zh-TW" => array("zh_TW.UTF-8", "中文(繁)"),
);
// Set up the translation variables and libraries.
function localization_setup() {
global $lang, $domain, $encoding, $available_locales, $preferred_lang;
// Choose a default language based on the client's HTTP headers.
// TODO: Replace HTTP::negotiateLanguage with something less buggy.
// (See http://www.dracos.co.uk/web/php/HTTP/ for details.)
$supported = $available_locales;
$preferred_lang = HTTP::negotiateLanguage($supported, $lang);
if ($preferred_lang)
$lang = $preferred_lang;
// Override the default if the user has an explicit cookie or query string.
$force_lang = get_requested_lang();
if ($force_lang && array_key_exists($force_lang, $available_locales))
$lang = $force_lang;
if ($available_locales[$lang]) {
// Set the locale.
$locale = $available_locales[$lang][0];
setlocale(LC_ALL, $locale);
// Find the locale directory.
$path_parts = pathinfo(__FILE__);
$this_dir = $path_parts["dirname"];
bindtextdomain($domain, "$this_dir/../locale");
// Set up gettext message localization.
textdomain($domain);
bind_textdomain_codeset($domain, $encoding);
}
// Tell clients to cache different languages separately.
header("Vary: Accept-Language");
}
// Return the explicitly requested language, if available.
function get_requested_lang() {
global $cookie_days;
$result = $_COOKIE["lang"];
if ($_GET["lang"]) {
$result = $_GET["lang"];
setcookie("lang", $result, time() + $cookie_days*24*60*60, "/");
}
return $result;
}
// Convert a string from the locale encoding to the output encoding.
function locale_to_unicode($s) {
global $encoding;
$locale_encoding = nl_langinfo(CODESET);
$s = iconv($locale_encoding, $encoding, $s);
return $s;
}
?>
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