mirror of
https://github.com/friendica/friendica
synced 2024-05-27 03:26:59 +02:00
195 lines
4.6 KiB
PHP
195 lines
4.6 KiB
PHP
<?php
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/**
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* @brief translation support
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*
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* Get the language setting directly from system variables, bypassing Config::get()
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* as database may not yet be configured.
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*
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* If possible, we use the value from the browser.
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*
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*/
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use Friendica\Core\Config;
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require_once "include/dba.php";
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if (! function_exists('get_browser_language')) {
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/**
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* @brief get the prefered language from the HTTP_ACCEPT_LANGUAGE header
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*/
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function get_browser_language() {
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if (x($_SERVER, 'HTTP_ACCEPT_LANGUAGE')) {
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// break up string into pieces (languages and q factors)
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preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i',
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$_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
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$lang_list = [];
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if (count($lang_parse[1])) {
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// go through the list of prefered languages and add a generic language
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// for sub-linguas (e.g. de-ch will add de) if not already in array
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for ($i = 0; $i < count($lang_parse[1]); $i++) {
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$lang_list[] = strtolower($lang_parse[1][$i]);
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if (strlen($lang_parse[1][$i])>3 ) {
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$dashpos = strpos($lang_parse[1][$i], '-');
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if (!in_array(substr($lang_parse[1][$i], 0, $dashpos), $lang_list ) ) {
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$lang_list[] = strtolower(substr($lang_parse[1][$i], 0, $dashpos));
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}
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}
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}
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}
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}
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// check if we have translations for the preferred languages and pick the 1st that has
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for ($i = 0; $i < count($lang_list); $i++) {
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$lang = $lang_list[$i];
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if ($lang === 'en' || (file_exists("view/lang/$lang") && is_dir("view/lang/$lang"))) {
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$preferred = $lang;
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break;
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}
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}
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if (isset($preferred)) {
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return $preferred;
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}
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// in case none matches, get the system wide configured language, or fall back to English
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return Config::get('system', 'language', 'en');
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}}
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function push_lang($language) {
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global $lang, $a;
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$a->langsave = $lang;
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if ($language === $lang) {
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return;
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}
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if (isset($a->strings) && count($a->strings)) {
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$a->stringsave = $a->strings;
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}
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$a->strings = array();
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load_translation_table($language);
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$lang = $language;
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}
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function pop_lang() {
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global $lang, $a;
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if ($lang === $a->langsave) {
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return;
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}
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if (isset($a->stringsave)) {
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$a->strings = $a->stringsave;
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} else {
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$a->strings = array();
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}
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$lang = $a->langsave;
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}
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// l
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if (! function_exists('load_translation_table')) {
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/**
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* load string translation table for alternate language
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*
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* first plugin strings are loaded, then globals
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*
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* @param string $lang language code to load
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*/
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function load_translation_table($lang) {
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$a = get_app();
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$a->strings = array();
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// load enabled plugins strings
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$plugins = dba::select('addon', array('name'), array('installed' => true));
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while ($p = dba::fetch($plugins)) {
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$name = $p['name'];
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if (file_exists("addon/$name/lang/$lang/strings.php")) {
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include("addon/$name/lang/$lang/strings.php");
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}
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}
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if (file_exists("view/lang/$lang/strings.php")) {
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include("view/lang/$lang/strings.php");
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}
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}}
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// translate string if translation exists
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if (! function_exists('t')) {
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function t($s) {
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$a = get_app();
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if (x($a->strings,$s)) {
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$t = $a->strings[$s];
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return is_array($t)?$t[0]:$t;
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}
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return $s;
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}}
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if (! function_exists('tt')){
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function tt($singular, $plural, $count){
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global $lang;
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$a = get_app();
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if (x($a->strings,$singular)) {
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$t = $a->strings[$singular];
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$f = 'string_plural_select_' . str_replace('-','_',$lang);
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if (! function_exists($f))
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$f = 'string_plural_select_default';
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$k = $f($count);
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return is_array($t)?$t[$k]:$t;
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}
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if ($count!=1){
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return $plural;
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} else {
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return $singular;
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}
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}}
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// provide a fallback which will not collide with
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// a function defined in any language file
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if (! function_exists('string_plural_select_default')) {
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function string_plural_select_default($n) {
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return ($n != 1);
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}}
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/**
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* @brief Return installed languages codes as associative array
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*
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* Scans the view/lang directory for the existence of "strings.php" files, and
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* returns an alphabetical list of their folder names (@-char language codes).
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* Adds the english language if it's missing from the list.
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*
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* Ex: array('de' => 'de', 'en' => 'en', 'fr' => 'fr', ...)
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*
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* @return array
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*/
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function get_available_languages() {
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$langs = array();
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$strings_file_paths = glob('view/lang/*/strings.php');
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if (is_array($strings_file_paths) && count($strings_file_paths)) {
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if (!in_array('view/lang/en/strings.php', $strings_file_paths)) {
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$strings_file_paths[] = 'view/lang/en/strings.php';
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}
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asort($strings_file_paths);
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foreach ($strings_file_paths as $strings_file_path) {
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$path_array = explode('/', $strings_file_path);
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$langs[$path_array[2]] = $path_array[2];
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}
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}
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return $langs;
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}
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