mirror of
https://github.com/YunoHost-Apps/hubzilla_ynh.git
synced 2024-09-03 19:26:21 +02:00
318 lines
8.4 KiB
PHP
318 lines
8.4 KiB
PHP
<?php
|
|
/**
|
|
* @file include/language.php
|
|
*
|
|
* @brief Translation support.
|
|
*
|
|
* This file contains functions to work with translations and other
|
|
* language related tasks.
|
|
*/
|
|
|
|
|
|
/**
|
|
* @brief Get the browser's submitted preferred languages.
|
|
*
|
|
* This functions parses the HTTP_ACCEPT_LANGUAGE header sent by the browser and
|
|
* extracts the preferred languages and their priority.
|
|
*
|
|
* 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.
|
|
*
|
|
* @return array with ordered list of preferred languages from browser
|
|
*/
|
|
function get_browser_language() {
|
|
$langs = array();
|
|
$lang_parse = array();
|
|
|
|
if (x($_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);
|
|
}
|
|
}
|
|
|
|
return $langs;
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the best language for which also a translation exists.
|
|
*
|
|
* This function takes the results from get_browser_language() and compares it
|
|
* with the available translations and returns the best fitting language for
|
|
* which there exists a translation.
|
|
*
|
|
* If there is no match fall back to config['system']['language']
|
|
*
|
|
* @return Language code in 2-letter ISO 639-1 (en).
|
|
*/
|
|
function get_best_language() {
|
|
$langs = get_browser_language();
|
|
|
|
if(isset($langs) && count($langs)) {
|
|
foreach ($langs as $lang => $v) {
|
|
$lang = strtolower($lang);
|
|
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 $a;
|
|
|
|
$a->langsave = $a->language;
|
|
|
|
if($language === $a->language)
|
|
return;
|
|
|
|
if(isset($a->strings) && count($a->strings)) {
|
|
$a->stringsave = $a->strings;
|
|
}
|
|
$a->strings = array();
|
|
load_translation_table($language);
|
|
$a->language = $language;
|
|
}
|
|
|
|
function pop_lang() {
|
|
global $a;
|
|
|
|
if($a->language === $a->langsave)
|
|
return;
|
|
|
|
if(isset($a->stringsave))
|
|
$a->strings = $a->stringsave;
|
|
else
|
|
$a->strings = array();
|
|
|
|
$a->language = $a->langsave;
|
|
}
|
|
|
|
/**
|
|
* @brief Load string translation table for alternate language.
|
|
*
|
|
* @param string $lang language code in 2-letter ISO 639-1 (en, de, fr) format
|
|
* @param boolean $install (optional) default false
|
|
*/
|
|
function load_translation_table($lang, $install = false) {
|
|
global $a;
|
|
|
|
$a->strings = array();
|
|
if(file_exists("view/$lang/strings.php")) {
|
|
include("view/$lang/strings.php");
|
|
}
|
|
|
|
if(! $install) {
|
|
$plugins = q("SELECT name FROM addon WHERE installed=1;");
|
|
if ($plugins !== false) {
|
|
foreach($plugins as $p) {
|
|
$name = $p['name'];
|
|
if(file_exists("addon/$name/lang/$lang/strings.php")) {
|
|
include("addon/$name/lang/$lang/strings.php");
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Allow individual strings to be over-ridden on this site
|
|
// Either for the default language or for all languages
|
|
|
|
if(file_exists("view/local-$lang/strings.php")) {
|
|
include("view/local-$lang/strings.php");
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Translate string if translation exists.
|
|
*
|
|
* @param string $s string that should get translated
|
|
* @param string $ctx (optional) context to appear in po file
|
|
* @return translated string if exists, otherwise return $s
|
|
*
|
|
*/
|
|
function t($s, $ctx = '') {
|
|
global $a;
|
|
|
|
$cs = $ctx ? '__ctx:' . $ctx . '__ ' . $s : $s;
|
|
if (x($a->strings, $cs)) {
|
|
$t = $a->strings[$cs];
|
|
|
|
return ((is_array($t)) ? translate_projectname($t[0]) : translate_projectname($t));
|
|
}
|
|
|
|
return translate_projectname($s);
|
|
}
|
|
|
|
/**
|
|
* @brief translate product name
|
|
* Merging strings from different project names is problematic so we'll do that with a string replacement
|
|
*/
|
|
|
|
function translate_projectname($s) {
|
|
|
|
return str_replace(array('$projectname','$Projectname'),array(PLATFORM_NAME,ucfirst(PLATFORM_NAME)),$s);
|
|
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* @brief
|
|
*
|
|
* @param string $singular
|
|
* @param string $plural
|
|
* @param int $count
|
|
* @param string $ctx
|
|
* @return string
|
|
*/
|
|
function tt($singular, $plural, $count, $ctx = ''){
|
|
$a = get_app();
|
|
|
|
$cs = $ctx ? "__ctx:" . $ctx . "__ " . $singular : $singular;
|
|
if (x($a->strings,$cs)) {
|
|
$t = $a->strings[$cs];
|
|
$f = 'string_plural_select_' . str_replace('-', '_', $a->language);
|
|
if (! function_exists($f))
|
|
$f = 'string_plural_select_default';
|
|
|
|
$k = $f($count);
|
|
|
|
return is_array($t) ? $t[$k] : $t;
|
|
}
|
|
|
|
if ($count != 1) {
|
|
return $plural;
|
|
} else {
|
|
return $singular;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* @brief Provide a fallback which will not collide with a function defined in
|
|
* any language file.
|
|
*
|
|
* @param int $n
|
|
* @return boolean
|
|
*/
|
|
function string_plural_select_default($n) {
|
|
return ($n != 1);
|
|
}
|
|
|
|
/**
|
|
* @brief Takes a string and tries to identify the language.
|
|
*
|
|
* It uses the pear library Text_LanguageDetect and it can identify 52 human languages.
|
|
* It returns the identified languges and a confidence score for each.
|
|
*
|
|
* Strings need to have a min length config['system']['language_detect_min_length']
|
|
* and you can influence the confidence that must be met before a result will get
|
|
* returned through config['system']['language_detect_min_confidence'].
|
|
*
|
|
* @see http://pear.php.net/package/Text_LanguageDetect
|
|
* @param string $s A string to examine
|
|
* @return Language code in 2-letter ISO 639-1 (en, de, fr) format
|
|
*/
|
|
function detect_language($s) {
|
|
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;
|
|
|
|
// embedded apps have long base64 strings which will trip up the detector.
|
|
$naked_body = preg_replace('/\[app\](.*?)\[\/app\]/','',$s);
|
|
// strip off bbcode
|
|
$naked_body = preg_replace('/\[(.+?)\]/', '', $naked_body);
|
|
if (mb_strlen($naked_body) < intval($min_length)) {
|
|
logger('string length less than ' . intval($min_length), LOGGER_DATA);
|
|
return '';
|
|
}
|
|
|
|
$l = new Text_LanguageDetect;
|
|
try {
|
|
// return 2-letter ISO 639-1 (en) language code
|
|
$l->setNameMode(2);
|
|
$lng = $l->detectConfidence($naked_body);
|
|
logger('detect language: ' . print_r($lng, true) . $naked_body, LOGGER_DATA);
|
|
} catch (Text_LanguageDetect_Exception $e) {
|
|
logger('detect language exception: ' . $e->getMessage(), 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['language']);
|
|
}
|
|
|
|
/**
|
|
* @brief Returns the display name of a given language code.
|
|
*
|
|
* By default we use the localized language name. You can switch the result
|
|
* to any language with the optional 2nd parameter $l.
|
|
*
|
|
* $s and $l should be in 2-letter ISO 639-1 format.
|
|
*
|
|
* If nothing could be looked up it returns $s.
|
|
*
|
|
* @param string $s Language code to look up
|
|
* @param string $l (optional) In which language to return the name
|
|
* @return string with the language name, or $s if unrecognized
|
|
*
|
|
* @todo include CommerceGuys\Intl through composer like SabreDAV.
|
|
*/
|
|
require_once(__DIR__ . '/../library/intl/vendor/autoload.php');
|
|
use CommerceGuys\Intl\Language\LanguageRepository;
|
|
function get_language_name($s, $l = null) {
|
|
// get() expects the second part to be in upper case
|
|
if (strpos($s, '-') !== false) $s = substr($s, 0, 2) . strtoupper(substr($s, 2));
|
|
if ($l !== null && strpos($l, '-') !== false) $l = substr($l, 0, 2) . strtoupper(substr($l, 2));
|
|
|
|
$languageRepository = new LanguageRepository;
|
|
|
|
// Sometimes intl doesn't like the second part at all ...
|
|
try {
|
|
$language = $languageRepository->get($s, $l);
|
|
} catch(CommerceGuys\Intl\Exception\UnknownLanguageException $e) {
|
|
$s = substr($s, 0, 2);
|
|
if($l !== null) $l = substr($s, 0, 2);
|
|
try {
|
|
$language = $languageRepository->get($s, $l);
|
|
} catch (CommerceGuys\Intl\Exception\UnknownLanguageException $e) {
|
|
return $s; // Give up
|
|
}
|
|
}
|
|
|
|
return $language->getName();
|
|
}
|