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rework fallback code

This commit is contained in:
Tobias Diekershoff 2016-10-03 21:12:47 +02:00
parent ed631ba959
commit bb423ff9b4

View file

@ -1,13 +1,7 @@
<?php <?php
require_once("include/dba.php");
/**
* translation support
*/
/** /**
* @brief translation support
* *
* Get the language setting directly from system variables, bypassing get_config() * Get the language setting directly from system variables, bypassing get_config()
* as database may not yet be configured. * as database may not yet be configured.
@ -16,8 +10,12 @@ require_once("include/dba.php");
* *
*/ */
require_once("include/dba.php");
if(! function_exists('get_browser_language')) { if(! function_exists('get_browser_language')) {
/**
* @brief get the prefered language from the HTTP_ACCEPT_LANGUAGE header
*/
function get_browser_language() { function get_browser_language() {
if (x($_SERVER,'HTTP_ACCEPT_LANGUAGE')) { if (x($_SERVER,'HTTP_ACCEPT_LANGUAGE')) {
@ -25,45 +23,34 @@ function get_browser_language() {
preg_match_all('/([a-z]{1,8}(-[a-z]{1,8})?)\s*(;\s*q\s*=\s*(1|0\.[0-9]+))?/i', 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); $_SERVER['HTTP_ACCEPT_LANGUAGE'], $lang_parse);
$lang_list = [];
if (count($lang_parse[1])) { 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]); $i++) { for ($i=0; $i<count($lang_parse[1]); $i++) {
if ( strlen($lang_parse[1][$i])>2 ) { $lang_list[] = strtolower($lang_parse[1][$i]);
if (! in_array(substr($lang_parse[1][$i], 0, 2), $lang_parse[1] ) ) { if ( strlen($lang_parse[1][$i])>3 ) {
array_push($lang_parse[1], substr($lang_parse[1][$i], 0, 2)); $dashpos = strpos($lang_parse[1][$i], '-');
if (floatval($lang_parse[4][$i])>0) if (! in_array(substr($lang_parse[1][$i], 0, $dashpos), $lang_list ) ) {
array_push($lang_parse[4], strval(floatval($lang_parse[4][$i])-0.0001)); $lang_list[] = strtolower(substr($lang_parse[1][$i], 0, $dashpos));
else
array_push($lang_parse[4], '0.9999');
} }
} }
} }
// 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;
if ($val === '0') $langs[$lang] = 1;
}
// sort list based on value
arsort($langs, SORT_NUMERIC);
print_r($langs);
} }
} }
if(isset($langs) && count($langs)) { // check if we have translations for the preferred languages and pick the 1st that has
foreach ($langs as $lang => $v) { for ($i=0; $i<count($lang_list); $i++) {
$lang = $lang_list[$i];
if(file_exists("view/lang/$lang") && is_dir("view/lang/$lang")) { if(file_exists("view/lang/$lang") && is_dir("view/lang/$lang")) {
$preferred = $lang; $preferred = $lang;
break; break;
} }
} }
}
if(isset($preferred)) if(isset($preferred))
return $preferred; return $preferred;
// in case none matches, get the system wide configured language, or fall back to English
$a = get_app(); $a = get_app();
return ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en'); return ((isset($a->config['system']['language'])) ? $a->config['system']['language'] : 'en');
}} }}