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<?php
/**
* 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.
*
*/
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 = $a->langsave;
}
// load string translation table for alternate language
if(! function_exists('load_translation_table')) {
function load_translation_table($lang) {
global $a;
if(file_exists("view/$lang/strings.php")) {
include("view/$lang/strings.php");
}
else
$a->strings = array();
}}
// translate string if translation exists
if(! function_exists('t')) {
function t($s) {
$a = get_app();
if(x($a->strings,$s)) {
$t = $a->strings[$s];
return is_array($t)?$t[0]:$t;
}
return $s;
}}
if(! function_exists('tt')){
function tt($singular, $plural, $count){
global $lang;
$a = get_app();
if(x($a->strings,$singular)) {
$t = $a->strings[$singular];
$f = 'string_plural_select_' . str_replace('-','_',$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 $singular;
}
}}
// provide a fallback which will not collide with
// a function defined in any language file
if(! function_exists('string_plural_select_default')) {
function string_plural_select_default($n) {
return ($n != 1);
}}
function detect_language($s) {
$detected_languages = array(
'Albanian' => 'sq',
'Arabic' => 'ar',
'Azeri' => 'az',
'Bengali' => 'bn',
'Bulgarian' => 'bg',
'Cebuano' => '',
'Croatian' => 'hr',
'Czech' => 'cz',
'Danish' => 'da',
'Dutch' => 'nl',
'English' => 'en',
'Estonian' => 'et',
'Farsi' => 'fa',
'Finnish' => 'fi',
'French' => 'fr',
'German' => 'de',
'Hausa' => 'ha',
'Hawaiian' => '',
'Hindi' => 'hi',
'Hungarian' => 'hu',
'Icelandic' => 'is',
'Indonesian' => 'id',
'Italian' => 'it',
'Kazakh' => 'kk',
'Kyrgyz' => 'ky',
'Latin' => 'la',
'Latvian' => 'lv',
'Lithuanian' => 'lt',
'Macedonian' => 'mk',
'Mongolian' => 'mn',
'Nepali' => 'ne',
'Norwegian' => 'no',
'Pashto' => 'ps',
'Pidgin' => '',
'Polish' => 'pl',
'Portuguese' => 'pt',
'Romanian' => 'ro',
'Russian' => 'ru',
'Serbian' => 'sr',
'Slovak' => 'sk',
'Slovene' => 'sl',
'Somali' => 'so',
'Spanish' => 'es',
'Swahili' => 'sw',
'Swedish' => 'sv',
'Tagalog' => 'tl',
'Turkish' => 'tr',
'Ukrainian' => 'uk',
'Urdu' => 'ur',
'Uzbek' => 'uz',
'Vietnamese' => 'vi',
'Welsh' => 'cy'
);
require_once('Text/LanguageDetect.php');
$min_length = get_config('system','language_detect_min_length');
if($min_length === false)
$min_length = LANGUAGE_DETECT_MIN_LENGTH;
$min_confidence = get_config('system','language_detect_min_confidence');
if($min_confidence === false)
$min_confidence = LANGUAGE_DETECT_MIN_CONFIDENCE;
$naked_body = preg_replace('/\[(.+?)\]/','',$s);
if(mb_strlen($naked_body) < intval($min_length))
return '';
$l = new Text_LanguageDetect;
$lng = $l->detectConfidence($naked_body);
logger('detect language: ' . print_r($lng,true) . $naked_body, LOGGER_DATA);
if((! $lng) || (! (x($lng,'language')))) {
return '';
}
if($lng['confidence'] < (float) $min_confidence) {
logger('detect language: confidence less than ' . (float) $min_confidence, LOGGER_DATA);
return '';
}
return(($lng && (x($lng,'language'))) ? $detected_languages[ucfirst($lng['language'])] : '');
}
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