Merge pull request #3472 from rabuzarus/feature/frio/fixedaside2

[friendica.git] / include / pgettext.php

diff --git a/include/pgettext.php b/include/pgettext.php
index 23430fc77dc272b65274542d239debf0c4e5ca06..9b541e8e3c77f6fe1cc3bd776a0490145af3ffe7 100644 (file)
--- a/include/pgettext.php
+++ b/include/pgettext.php
@@ -1,58 +1,60 @@
 <?php
 
-require_once("include/dba.php");
-
-/**
- * translation support
- */
-
-
 /**
+ * @brief translation support
  *
  * Get the language setting directly from system variables, bypassing get_config()
  * as database may not yet be configured.
- * 
+ *
  * If possible, we use the value from the browser.
  *
  */
 
+use Friendica\Core\Config;
+
+require_once("include/dba.php");
 
 if(! function_exists('get_browser_language')) {
+/**
+ * @brief get the prefered language from the HTTP_ACCEPT_LANGUAGE header
+ */
 function get_browser_language() {
 
        if (x($_SERVER,'HTTP_ACCEPT_LANGUAGE')) {
-           // break up string into pieces (languages and q factors)
-       preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', 
+               // break up string into pieces (languages and q factors)
+               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])) {
-               // create a list like "en" => 0.8
-               $langs = array_combine($lang_parse[1], $lang_parse[4]);
-       
-               // set default to 1 for any without q factor
-               foreach ($langs as $lang => $val) {
-               if ($val === '') $langs[$lang] = 1;
-               }
-
-               // sort list based on value     
-               arsort($langs, SORT_NUMERIC);
-       }
-       }
-
-       if(isset($langs) && count($langs)) {
-               foreach ($langs as $lang => $v) {
-                       if(file_exists("view/$lang") && is_dir("view/$lang")) {
-                               $preferred = $lang;
-                               break;
+               $lang_list = [];
+               if (count($lang_parse[1])) {
+                       // go through the list of prefered languages and add a generic language
+                       // for sub-linguas (e.g. de-ch will add de) if not already in array
+                       for ($i=0; $i<count($lang_parse[1]); $i++) {
+                               $lang_list[] = strtolower($lang_parse[1][$i]);
+                               if ( strlen($lang_parse[1][$i])>3 ) {
+                                       $dashpos = strpos($lang_parse[1][$i], '-');
+                                       if (! in_array(substr($lang_parse[1][$i], 0, $dashpos), $lang_list ) ) {
+                                               $lang_list[] = strtolower(substr($lang_parse[1][$i], 0, $dashpos));
+                                       }
+                               }
                        }
                }
        }
 
-       if(isset($preferred))
+       // check if we have translations for the preferred languages and pick the 1st that has
+       for ($i=0; $i<count($lang_list); $i++) {
+               $lang = $lang_list[$i];
+               if ($lang === 'en' || (file_exists("view/lang/$lang") && is_dir("view/lang/$lang"))) {
+                       $preferred = $lang;
+                       break;
+               }
+       }
+       if (isset($preferred)) {
                return $preferred;
+       }
 
-    $a = get_app();
-       return ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
+       // in case none matches, get the system wide configured language, or fall back to English
+       return Config::get('system', 'language', 'en');
 }}
 
 
@@ -94,12 +96,13 @@ if(! function_exists('load_translation_table')) {
  * load string translation table for alternate language
  *
  * first plugin strings are loaded, then globals
- * 
+ *
  * @param string $lang language code to load
  */
 function load_translation_table($lang) {
-       global $a;
+       $a = get_app();
 
+       $a->strings = array();
        // load enabled plugins strings
        $plugins = q("SELECT name FROM addon WHERE installed=1;");
        if ($plugins!==false) {
@@ -110,10 +113,9 @@ function load_translation_table($lang) {
                        }
                }
        }
-       
-       $a->strings = array();
-       if(file_exists("view/$lang/strings.php")) {
-               include("view/$lang/strings.php");
+
+       if(file_exists("view/lang/$lang/strings.php")) {
+               include("view/lang/$lang/strings.php");
        }
 
 }}
@@ -145,7 +147,7 @@ function tt($singular, $plural, $count){
                $k = $f($count);
                return is_array($t)?$t[$k]:$t;
        }
-       
+
        if ($count!=1){
                return $plural;
        } else {
@@ -153,11 +155,40 @@ function tt($singular, $plural, $count){
        }
 }}
 
-// provide a fallback which will not collide with 
-// a function defined in any language file 
+// provide a fallback which will not collide with
+// a function defined in any language file
 
 if(! function_exists('string_plural_select_default')) {
 function string_plural_select_default($n) {
        return ($n != 1);
 }}
 
+
+
+/**
+ * @brief Return installed languages codes as associative array
+ *
+ * Scans the view/lang directory for the existence of "strings.php" files, and
+ * returns an alphabetical list of their folder names (@-char language codes).
+ * Adds the english language if it's missing from the list.
+ *
+ * Ex: array('de' => 'de', 'en' => 'en', 'fr' => 'fr', ...)
+ *
+ * @return array
+ */
+function get_available_languages() {
+       $langs = array();
+       $strings_file_paths = glob('view/lang/*/strings.php');
+
+       if (is_array($strings_file_paths) && count($strings_file_paths)) {
+               if (!in_array('view/lang/en/strings.php', $strings_file_paths)) {
+                       $strings_file_paths[] = 'view/lang/en/strings.php';
+               }
+               asort($strings_file_paths);
+               foreach($strings_file_paths as $strings_file_path) {
+                       $path_array = explode('/', $strings_file_path);
+                       $langs[$path_array[2]] = $path_array[2];
+               }
+       }
+       return $langs;
+}