[FEATURE] Add blog post to Readme

[jirafeau_mojo42.git] / lib / lang.php

diff --git a/lib/lang.php b/lib/lang.php
index 7748054755777a573c6b40a4ecccb270de450230..bd7478c304bd4e29d6939f89cbff314cb1a38746 100644 (file)
--- a/lib/lang.php
+++ b/lib/lang.php
@@ -1,7 +1,7 @@
 <?php
 /*
  *  Jirafeau, your web file repository
- *  Copyright (C) 2015  Jerome Jutteau <j.jutteau@gmail.com>
+ *  Copyright (C) 2015  Jerome Jutteau <jerome@jutteau.fr>
  *
  *  This program is free software: you can redistribute it and/or modify
  *  it under the terms of the GNU Affero General Public License as
@@ -17,95 +17,104 @@
  *  along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
 
-global $languages_list;
-$languages_list = array ('auto' => 'Automatic',
-                         'de'   => 'Deutsch',
-                         'en'   => 'English',
-                         'el'   => 'Ελληνικά',
-                         'es'   => 'Español',
-                         'hu'   => 'Magyar',
-                         'fi'   => 'Suomi',
-                         'fr'   => 'Français',
-                         'it'   => 'Italiano',
-                         'nl'   => 'Nederlands',
-                         'ro'   => 'Limba română',
-                         'ru'   => 'ру́сский',
-                         'sk'   => 'Slovenčina',
-                         'zh'   => '汉语');
-
-/* Translation */
-function t ($text)
+function t($string_id)
 {
-    $cfg = $GLOBALS['cfg'];
-    $languages_list = $GLOBALS['languages_list'];
-
-    /* Detect user's langage if we are in automatic mode. */
-    if (strcmp ($cfg['lang'], 'auto') == 0)
-    {
-        if (isset ($_SERVER['HTTP_ACCEPT_LANGUAGE']))
-            $l = substr ($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
-        else
-            $l = "en";
+    $lang_config = $GLOBALS['cfg']['lang'];
+    if ($lang_config != "auto") {
+        $r = t_in($string_id, $lang_config);
+        if ($r === false || $r === "") {
+            return "FIX ME";
+        }
+        return $r;
     }
-    else
-        $l = $cfg['lang'];
-
-    /* Is the langage in the list ? */
-    $found = false;
-    foreach ($languages_list as $key => $v)
-        if (strcmp ($l, $key) == 0)
-            $found = true;
-
-    /* Don't translate english. */
-    if (!($found && strcmp ($l, "en")))
-        return $text;
-
-    /* Open translation file. */
-    $trans_j = file_get_contents (JIRAFEAU_ROOT . "lib/locales/$l.json");
-    if ($trans_j === FALSE)
-        return $text;
-
-    /* Decode JSON. */
-    $trans = json_decode ($trans_j, true);
-    if ($trans === NULL)
-        return $text;
 
-    /* Try to find translation. */
-    if (!array_key_exists ($text, $trans))
-        return $text;
-
-    return $trans[$text];
+    $visitor_langs = t_visitor_langs();
+    foreach ($visitor_langs as $lang) {
+        $r = t_in($string_id, $lang);
+        if ($r === false || $r === "") {
+            continue;
+        } else {
+            return $r;
+        }
+    }
+    return "FIX ME";
 }
 
-function json_lang_generator ()
-{
-    $cfg = $GLOBALS['cfg'];
-    $languages_list = $GLOBALS['languages_list'];
+function t_visitor_langs() {
+    $visitor_langs = t_parse_accept_language();
+    array_push($visitor_langs, "en");
+    return $visitor_langs;
+}
 
-    /* Detect user's langage if we are in automatic mode. */
-    if (strcmp ($cfg['lang'], 'auto') == 0)
-    {
-        if (isset ($_SERVER['HTTP_ACCEPT_LANGUAGE']))
-            $l = substr ($_SERVER['HTTP_ACCEPT_LANGUAGE'], 0, 2);
-        else
-            $l = "en";
+function t_parse_accept_language() {
+    if (!isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
+        return [];
+    }
+    // Example: fr-CH, fr;q=0.9, en;q=0.8, de;q=0.7, *;q=0.5
+    $langs = [];
+    $cols = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
+    foreach ($cols as $i => $semicols) {
+        $lang = explode(';', $semicols);
+        if (count($lang) === 0) {
+            continue;
+        }
+        array_push($langs, $lang[0]);
     }
-    else
-        $l = $cfg['lang'];
+    return $langs;
+}
 
-    /* Is the langage in the list ? */
-    $found = false;
-    foreach ($languages_list as $key => $v)
-        if (strcmp ($l, $key) == 0)
-            $found = true;
+function t_in($string_id, $lang) {
+    $trans = t_get_json($lang);
+    if ($trans === false) {
+        return false;
+    }
+    if (!array_key_exists($string_id, $trans)) {
+        return false;
+    }
+    return $trans[$string_id];
+}
 
-    /* Don't translate english. */
-    if (!($found && strcmp ($l, "en")))
-        return "{}";
+function t_get_raw_json($lang) {
+    $filename = str_replace("-", "_", $lang);
+    if (preg_match('/[^A-Za-z_\w]/', $filename)) {
+        return false;
+    }
+    $p = JIRAFEAU_ROOT . "lib/locales/$filename.json";
+    if (!file_exists($p)) {
+        return false;
+    }
+    $json = file_get_contents($p);
+    if ($json === false) {
+        return false;
+    }
+    return $json;
+}
 
-    /* Open translation file. */
-    $trans_j = file_get_contents (JIRAFEAU_ROOT . "lib/locales/$l.json");
-    return $trans_j;
+function t_get_json($lang) {
+    $raw_j = t_get_raw_json($lang);
+    $array = json_decode($raw_j, true);
+    if ($array === null) {
+        return false;
+    }
+    return $array;
 }
 
-?>
+function json_lang_generator($lang) {
+    $r = false;
+    if ($lang === null) {
+        $lang_config = $GLOBALS['cfg']['lang'];
+        if ($lang_config != "auto") {
+            $r = t_get_raw_json($lang_config);
+        } else {
+            foreach(t_visitor_langs() as $lang) {
+                $r = t_get_raw_json($lang);
+                if (!($r === false)) {
+                    break;
+                }
+            }
+        }
+    } else {
+        $r = t_get_raw_json($lang);
+    }
+    return $r === false ? "{}" : $r;
+}