X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=include%2Fpgettext.php;h=f6f26a8cc4a13b90f8daea14b1ca664f6c8e2f10;hb=13c8750c2704106281fad37988cd20be4c400904;hp=2ffee70bcc64c8fcae9909643e1bfc7cab2f46d1;hpb=067626380db6d5ed71d68bd91481ff51cfa76915;p=friendica.git

diff --git a/include/pgettext.php b/include/pgettext.php
index 2ffee70bcc..f6f26a8cc4 100644
--- a/include/pgettext.php
+++ b/include/pgettext.php
@@ -1,46 +1,196 @@
 <?php
+
+/**
+ * @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')) {
 /**
- * translation support
+ * @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',
+			$_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
+
+		$lang_list = [];
+		if (count($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 ($lang === 'en' || (file_exists("view/lang/$lang") && is_dir("view/lang/$lang"))) {
+			$preferred = $lang;
+			break;
+		}
+	}
+	if (isset($preferred)) {
+		return $preferred;
+	}
 
-// load string translation table for alternate language
+	// in case none matches, get the system wide configured language, or fall back to English
+	return Config::get('system', 'language', 'en');
+}}
+
+
+function push_lang($language) {
+	global $lang, $a;
+
+	$a->langsave = $lang;
+
+	if ($language === $lang) {
+		return;
+	}
 
-if(! function_exists('load_translation_table')) {
+	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
 
-if(! function_exists('t')) {
+if (! function_exists('t')) {
 function t($s) {
 
 	$a = get_app();
 
-	if(x($a->strings,$s)) {
+	if (x($a->strings,$s)) {
 		$t = $a->strings[$s];
 		return is_array($t)?$t[0]:$t;
 	}
 	return $s;
 }}
 
-if(! function_exists('tt')){
+if (! function_exists('tt')){
 function tt($singular, $plural, $count){
-	
+	global $lang;
 	$a = get_app();
 
-	if(x($a->strings,$singular)) {
+	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;
+}