1 files changed, 66 insertions, 0 deletions
diff --git a/lib/language.php b/lib/language.php
new file mode 100644
index 000000000..c3532d744
--- /dev/null
+++ b/lib/language.php
@@ -0,0 +1,66 @@
+<?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;
+}