148 lines
4.6 KiB
PHP
148 lines
4.6 KiB
PHP
<?php
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// Gettext text domain
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define('TEXT_DOMAIN', 'DEFAULT');
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/**
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* List available translation languages
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*
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* @param $as_locales boolean If true, locale names will be return instead
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* of primary languages (optional, default: false)
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*
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* @return array Array of available translation languages (or locales)
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*/
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function get_available_langs($as_locales=false) {
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global $root_lang_dir;
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if (!is_dir($root_lang_dir))
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logging('FATAL', "Root land directory not found ($root_lang_dir)");
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$langs = array(($as_locales?'en_US.UTF8':'en'));
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if ($dh = opendir($root_lang_dir)) {
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while (($file = readdir($dh)) !== false) {
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if (!is_dir($root_lang_dir . '/' . $file) || in_array($file, array('.', '..')))
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continue;
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if ($as_locales) {
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$langs[] = $file;
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continue;
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}
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$lang = Locale::getPrimaryLanguage($file);
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if (!in_array($lang, $langs))
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$langs[] = $lang;
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}
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closedir($dh);
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}
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$langs = array_unique($langs);
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logging('TRACE', 'Available '.($as_locales?'locales':'languages').': '.implode(', ', $langs));
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return $langs;
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}
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/**
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* Get locale name corresponding to specified translation language
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*
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* @param $lang string The translation language
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* @param $default string|null Default locale name to return if any available translation
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* locales matched with the specified language
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* (optional, default: $default_locale)
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* @return string Corresponding locale
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*/
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function lang2locale($lang, $default=null) {
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global $default_locale;
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if (is_null($default))
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$default = $default_locale;
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foreach (get_available_langs(true) as $locale) {
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if (strpos($locale, $lang) === false)
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continue;
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return $locale;
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}
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return $default;
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}
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/**
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* Helper function: just mark message for translation
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*
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* @param string $msg The message to translate
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*
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* @return string The message without transformation
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*/
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function ___($msg) {
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return $msg;
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}
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/**
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* Initialize translation system
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*
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* Detect best translation language and configure the translation
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* system.
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*
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* @return void
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*/
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function init_translation() {
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global $root_dir_path, $root_lang_dir, $default_locale, $smarty;
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$root_lang_dir = "$root_dir_path/lang";
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if (!class_exists('Locale')) {
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logging('ERROR', 'Locale PHP class does not exist. May be php-intl is not installed?');
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return;
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}
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$available_langs = get_available_langs();
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if (php_sapi_name() != "cli") {
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if (isset($_REQUEST['lang']) && in_array($_REQUEST['lang'], $available_langs)) {
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$lang = $_REQUEST['lang'];
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logging('TRACE', "Select lang from request parameter: '$lang'");
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}
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elseif (isset($_SESSION['lang']) && in_array($_SESSION['lang'], $available_langs) && !isset($_REQUEST['reset_lang'])) {
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$lang = $_SESSION['lang'];
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logging('TRACE', "Restore lang from session: '$lang'");
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}
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else {
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$lang = Locale::lookup(
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get_available_langs(),
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Locale::acceptFromHttp($_SERVER['HTTP_ACCEPT_LANGUAGE']),
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true,
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Locale::getPrimaryLanguage($default_locale)
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);
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logging('TRACE', "Best lang found is '$lang'");
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}
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}
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else {
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$lang = null;
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$sys_current = getenv('LC_ALL');
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if (!$sys_current)
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$sys_current = getenv('LANG');
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if ($sys_current)
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$lang = Locale::getPrimaryLanguage($sys_current);
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if (is_null($lang)) {
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logging('TRACE', 'No configured lang detected from CLI env, use default.');
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$lang = Locale::getPrimaryLanguage($default_locale);
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}
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else
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logging('TRACE', "Lang detected from CLI env : '$lang'");
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}
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// Keep selected lang in session
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$_SESSION['lang'] = $lang;
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$locale = lang2locale($lang);
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logging('TRACE', "Matching locale found with language '$lang' is '$locale'");
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// Gettext firstly look the LANGUAGE env variable, so set it
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if (!putenv("LANGUAGE=$locale"))
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logging('ERROR', "Fail to set LANGUAGE variable in environnement to '$locale'");
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// Set the locale
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if (setlocale(LC_ALL, $locale) === false)
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logging('ERROR', "An error occured setting locale to '$locale'");
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// Configure and set the text domain
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$fullpath = bindtextdomain(TEXT_DOMAIN, $root_lang_dir);
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logging('TRACE', "Text domain fullpath is '$fullpath'.");
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logging('TRACE', "Text domain is '".textdomain(TEXT_DOMAIN)."'.");
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logging('TRACE', "Test: "._('Hello world !'));
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// JS translation file
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$js_translation_file = "translations/$lang.js";
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if (php_sapi_name() != "cli" && is_file("$root_dir_path/public_html/$js_translation_file")) {
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add_js_file(array("lib/babel.js", "js/translation.js", $js_translation_file));
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$smarty->assign('lang', $lang);
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}
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}
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