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movim_ynh/sources/system/i18n/i18n.php

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<?php
/**
* @file i18n.php
* This file is part of MOVIM.
*
* @brief A collection of functions to translate strings.
*
* @author Etenil <etenil@etenilsrealm.nl>
*
* @version 1.0
* @date 22 December 2010
*
* Copyright (C)2010 MOVIM team.
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This library 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. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
require_once('languages.php');
$language = "";
$hash = array();
$translationshash = array();
/**
* Translates strings into the given langage.
*
* This has a sprintf() like behaviour so as to ease translation. Use as:
* echo t("my %s string of %d chars", "beautiful", 20);
*
* Prototype:
* t(string $string, ...)
*/
function t($string)
{
global $language;
global $translations;
$lstring = $string;
if(isset($translations[$string])) {
$lstring = $translations[$string];
}
// For compiled lang files, set en english default if no translation
if($lstring == '')
$lstring = $string;
if(func_num_args() > 1) {
$args = func_get_args();
$args[0] = $lstring; // Replacing with the translated string.
$lstring = call_user_func_array("sprintf", $args);
}
return $lstring;
}
function __() {
$args = func_get_args();
global $translationshash;
$arr = explode('.', $args[0]);
if(is_array($translationshash) && array_key_exists($arr[0], $translationshash)) {
$args[0] = $translationshash[$arr[0]][$arr[1]];
return call_user_func_array('t', $args);
} else {
return $args[0];
}
}
function getQuotedString($string)
{
$matches = array();
preg_match('#"(.+)"#', $string, $matches);
if(isset($matches[1]))
return $matches[1];
}
/**
* Parses a .po file.
*/
function parseLangFile($pofile)
{
if(!file_exists($pofile)) {
return false;
}
// Parsing the file.
$handle = fopen($pofile, 'r');
$trans_string = array();
$msgid = "";
$msgstr = "";
$last_token = "";
while($line = fgets($handle)) {
if($line[0] == "#" || trim(rtrim($line)) == "") {
continue;
}
if(preg_match('#^msgid#', $line)) {
if($last_token == "msgstr") {
$trans_string[$msgid] = $msgstr;
}
$last_token = "msgid";
$msgid = getQuotedString($line);
}
else if(preg_match('#^msgstr#', $line)) {
$last_token = "msgstr";
$msgstr = getQuotedString($line);
}
else {
$last_token .= getQuotedString($line);
}
}
if($last_token == "msgstr") {
$trans_string[$msgid] = $msgstr;
}
fclose($handle);
return $trans_string;
}
/**
* Auto-detects and loads the language.
*/
function loadLanguageAuto()
{
$langs = array();
$langNotFound = true;
preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
if (count($lang_parse[1])) {
$langs = array_combine($lang_parse[1], $lang_parse[4]);
foreach ($langs as $lang => $val) {
if ($val === '') $langs[$lang] = 1;
}
arsort($langs, SORT_NUMERIC);
}
while((list($key, $value) = each($langs)) && $langNotFound == true) {
$exploded = explode('-', $key);
$key = reset($exploded);
$cd = new \Modl\ConfigDAO();
$config = $cd->get();
if($key == 'en') {
loadLanguage($config->locale);
$langNotFound = false;
} elseif(file_exists(LOCALES_PATH . $key . '.po')) {
loadLanguage($key);
$langNotFound = false;
}
}
}
/**
* Loads the given language.
*/
function loadLanguage($lang)
{
global $translations;
global $language;
global $translationshash;
if($lang == $language) {
return true;
}
// Here we load the compiled language file
if(file_exists(CACHE_PATH . '/locales/' . $lang . '.php')) {
// And we set our global $translations
require_once(CACHE_PATH . '/locales/' . $lang . '.php');
} else
$translations = parseLangFile(LOCALES_PATH . $lang . '.po');
if(file_exists(LOCALES_PATH . 'locales.ini')) {
$translationshash = parse_ini_file(LOCALES_PATH . 'locales.ini', true, INI_SCANNER_RAW);
}
$language = $lang;
return true;
}
/**
* Loads a .po file and adds the translations to the existing ones.
* Conflicting translation strings will be rejected.
*/
function loadExtraLang($directory)
{
global $translations;
global $language;
// Converting to unix path (simpler and portable.)
$directory = str_replace('\\', '/', $directory);
if($directory[-1] != '/') {
$directory .= '/';
}
$trans = parseLangFile($directory . $language . '.po');
if(!$trans) {
return false;
}
// Merging the arrays. The existing translations have priority.
foreach($trans as $msgid => $msgstr) {
if(array_key_exists($msgid, $translations)) {
continue;
}
$translations[$msgid] = $msgstr;
}
return true;
}
/**
* Return an array containing all the presents languages in i18n/
*
*/
function loadLangArray() {
$lang_list = get_lang_list();
$dir = scandir(LOCALES_PATH);
$po = array();
foreach($dir as $files) {
$explode = explode('.', $files);
if(end($explode) == 'po') {
$po[$explode[0]] = $lang_list[$explode[0]];
}
}
return $po;
}
?>