X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fpgettext.php;h=fb87798ff72712b74acccc8f2d4a93bf6b5ba1f4;hb=4f25396faeaa501907e93b24ee51ebdd08f84993;hp=37e09b54dacf2d7b5c9c35e247f65644862f8c99;hpb=cde888f7f87449d4f5a281b8a23abcf3234ce9b9;p=friendica.git

diff --git a/include/pgettext.php b/include/pgettext.php
index 37e09b54da..fb87798ff7 100644
--- a/include/pgettext.php
+++ b/include/pgettext.php
@@ -1,67 +1,121 @@
 <?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.
  *
  */
 
+require_once("include/dba.php");
 
-if(! function_exists('get_language')) {
-function get_language() {
+if(! function_exists('get_browser_language')) {
+/**
+ * @brief get the prefered language from the HTTP_ACCEPT_LANGUAGE header
+ */
+function get_browser_language() {
 
-	if (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
-	    // break up string into pieces (languages and q factors)
-    	preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', 
+	if (x($_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;
+		$lang_list = [];
+		if (count($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));
+					}
+				}
 			}
 		}
 	}
 
+	// 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(file_exists("view/lang/$lang") && is_dir("view/lang/$lang")) {
+			$preferred = $lang;
+			break;
+		}
+	}
 	if(isset($preferred))
 		return $preferred;
 
+	// in case none matches, get the system wide configured language, or fall back to English
+    $a = get_app();
 	return ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
 }}
 
 
+function push_lang($language) {
+	global $lang, $a;
+
+	$a->langsave = $lang;
 
-// load string translation table for alternate language
+	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;
+	$a = get_app();
+
+	$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/$lang/strings.php");
+			}
+		}
+	}
+
+	if(file_exists("view/lang/$lang/strings.php")) {
+		include("view/lang/$lang/strings.php");
+	}
 
-	if(file_exists("view/$lang/strings.php"))
-		include("view/$lang/strings.php");
 }}
 
 // translate string if translation exists
@@ -80,18 +134,59 @@ 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);
+}}
+
+
+
+/**
+ * @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;
+}