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-rw-r--r--lib/language.php66
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diff --git a/lib/language.php b/lib/language.php
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+++ b/lib/language.php
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+<?php
+/*
+ * Laconica - a distributed open-source microblogging tool
+ * Copyright (C) 2008, Controlez-Vous, Inc.
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * 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. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+if (!defined('LACONICA')) { exit(1); }
+
+
+
+function client_prefered_language($httplang) {
+ $client_langs = array();
+ $all_languages = get_all_languages();
+
+ preg_match_all('"(((\S\S)-?(\S\S)?)(;q=([0-9.]+))?)\s*(,\s*|$)"',strtolower($httplang),$httplang);
+ for ($i = 0; $i < count($httplang); $i++) {
+ if(!empty($httplang[2][$i])) {
+ #if no q default to 1.0
+ $client_langs[$httplang[2][$i]] = ($httplang[6][$i]? (float) $httplang[6][$i] : 1.0);
+ }
+ if(!empty($httplang[3][$i]) && empty($client_langs[$httplang[3][$i]])) {
+ #if a catchall default 0.01 lower
+ $client_langs[$httplang[3][$i]] = ($httplang[6][$i]? (float) $httplang[6][$i]-0.01 : 0.99);
+ }
+ }
+ #sort in decending q
+ arsort($client_langs);
+
+ foreach ($client_langs as $lang => $q) {
+ if (isset($all_languages[$lang])) {
+ return($all_languages[$lang]['lang']);
+ }
+ }
+ return FALSE;
+}
+
+function get_nice_language_list() {
+ $nice_lang = array();
+ $all_languages = get_all_languages();
+ foreach ($all_languages as $lang) {
+ $nice_lang = $nice_lang + array($lang['lang'] => $lang['name']);
+ }
+ return $nice_lang;
+}
+
+function get_all_languages() {
+ $all_languages = array('en-us' => array('q' => 1, 'lang' => 'en_US', 'name' => 'English (US)', 'direction' => 'ltr'),
+ 'en-nz' => array('q' => 1, 'lang' => 'en_NZ', 'name' => 'English (NZ)', 'direction' => 'ltr'),
+ 'en' => array('q' => 1, 'lang' => 'en', 'name' => 'English', 'direction' => 'ltr'),
+ 'fr-fr' => array('q' => 1, 'lang' => 'fr_FR', 'name' => 'French', 'direction' => 'ltr'),
+ );
+ return $all_languages;
+}