Merge pull request #2185 from tobiasd/20151214-translations

[friendica.git] / include / pgettext.php

diff --git a/include/pgettext.php b/include/pgettext.php
index 2ffee70bcc64c8fcae9909643e1bfc7cab2f46d1..f72cbb08a71c707151434380cf9e4c886bb365a1 100644 (file)
--- a/include/pgettext.php
+++ b/include/pgettext.php
@@ -1,16 +1,121 @@
 <?php
+
+require_once("include/dba.php");
+
 /**
  * translation support
  */
 
-// load string translation table for alternate language
+
+/**
+ *
+ * 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.
+ *
+ */
+
+
+if(! function_exists('get_browser_language')) {
+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',
+                       $_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 = $lang;
+                               break;
+                       }
+               }
+       }
+
+       if(isset($preferred))
+               return $preferred;
+
+    $a = get_app();
+       return ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
+}}
+
+
+function push_lang($language) {
+       global $lang, $a;
+
+       $a->langsave = $lang;
+
+       if($language === $lang)
+               return;
+
+       if(isset($a->strings) && count($a->strings)) {
+               $a->stringsave = $a->strings;
+       }
+       $a->strings = array();
+       load_translation_table($language);
+       $lang = $language;
+}
+
+function pop_lang() {
+       global $lang, $a;
+
+       if($lang === $a->langsave)
+               return;
+
+       if(isset($a->stringsave))
+               $a->strings = $a->stringsave;
+       else
+               $a->strings = array();
+
+       $lang = $a->langsave;
+}
+
+
+// l
 
 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;
 
-       if(file_exists("view/$lang/strings.php"))
+       $a->strings = array();
+       // load enabled plugins strings
+       $plugins = q("SELECT name FROM addon WHERE installed=1;");
+       if ($plugins!==false) {
+               foreach($plugins as $p) {
+                       $name = $p['name'];
+                       if(file_exists("addon/$name/lang/$lang/strings.php")) {
+                               include("addon/$name/lang/$lang/strings.php");
+                       }
+               }
+       }
+
+       if(file_exists("view/$lang/strings.php")) {
                include("view/$lang/strings.php");
+       }
+
 }}
 
 // translate string if translation exists
@@ -29,18 +134,53 @@ function t($s) {
 
 if(! function_exists('tt')){
 function tt($singular, $plural, $count){
-       
+       global $lang;
        $a = get_app();
 
        if(x($a->strings,$singular)) {
                $t = $a->strings[$singular];
-               $k = string_plural_select($count);
+               $f = 'string_plural_select_' . str_replace('-','_',$lang);
+               if(! function_exists($f))
+                       $f = 'string_plural_select_default';
+               $k = $f($count);
                return is_array($t)?$t[$k]:$t;
        }
-       
+
        if ($count!=1){
                return $plural;
        } else {
                return $singular;
        }
-}}
\ No newline at end of file
+}}
+
+// provide a fallback which will not collide with
+// a function defined in any language file
+
+if(! function_exists('string_plural_select_default')) {
+function string_plural_select_default($n) {
+       return ($n != 1);
+}}
+
+
+/**
+ * Return installed languages as associative array
+ * [
+ *             lang => lang,
+ *             ...
+ * ]
+ */
+function get_avaiable_languages() {
+       $lang_choices = array();
+       $langs = glob('view/*/strings.php'); /**/
+
+       if(is_array($langs) && count($langs)) {
+               if(! in_array('view/en/strings.php',$langs))
+                       $langs[] = 'view/en/';
+               asort($langs);
+               foreach($langs as $l) {
+                       $t = explode("/",$l);
+                       $lang_choices[$t[1]] = $t[1];
+               }
+       }
+       return $lang_choices;
+}