550 lines
15 KiB
PHP
550 lines
15 KiB
PHP
<?php
|
|
/**
|
|
* ownCloud
|
|
*
|
|
* @author Frank Karlitschek
|
|
* @author Jakob Sack
|
|
* @copyright 2012 Frank Karlitschek frank@owncloud.org
|
|
* @copyright 2013 Jakob Sack
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
|
|
* License as published by the Free Software Foundation; either
|
|
* version 3 of the License, or any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU AFFERO GENERAL PUBLIC LICENSE for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public
|
|
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
/**
|
|
* This class is for i18n and l10n
|
|
*/
|
|
class OC_L10N implements \OCP\IL10N {
|
|
/**
|
|
* cache
|
|
*/
|
|
protected static $cache = array();
|
|
|
|
/**
|
|
* The best language
|
|
*/
|
|
protected static $language = '';
|
|
|
|
/**
|
|
* App of this object
|
|
*/
|
|
protected $app;
|
|
|
|
/**
|
|
* Language of this object
|
|
*/
|
|
protected $lang;
|
|
|
|
/**
|
|
* Translations
|
|
*/
|
|
private $translations = array();
|
|
|
|
/**
|
|
* Plural forms (string)
|
|
*/
|
|
private $plural_form_string = 'nplurals=2; plural=(n != 1);';
|
|
|
|
/**
|
|
* Plural forms (function)
|
|
*/
|
|
private $plural_form_function = null;
|
|
|
|
/**
|
|
* Localization
|
|
*/
|
|
private $localizations = array(
|
|
'jsdate' => 'dd.mm.yy',
|
|
'date' => '%d.%m.%Y',
|
|
'datetime' => '%d.%m.%Y %H:%M:%S',
|
|
'time' => '%H:%M:%S',
|
|
'firstday' => 0);
|
|
|
|
/**
|
|
* get an L10N instance
|
|
* @param string $app
|
|
* @param string|null $lang
|
|
* @return \OC_L10N
|
|
*/
|
|
public static function get($app, $lang=null) {
|
|
if (is_null($lang)) {
|
|
return OC::$server->getL10N($app);
|
|
} else {
|
|
return new \OC_L10N($app, $lang);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* The constructor
|
|
* @param string $app app requesting l10n
|
|
* @param string $lang default: null Language
|
|
*
|
|
* If language is not set, the constructor tries to find the right
|
|
* language.
|
|
*/
|
|
public function __construct($app, $lang = null) {
|
|
$this->app = $app;
|
|
$this->lang = $lang;
|
|
}
|
|
|
|
/**
|
|
* @param string $transFile
|
|
*/
|
|
public function load($transFile) {
|
|
$this->app = true;
|
|
include $transFile;
|
|
if(isset($TRANSLATIONS) && is_array($TRANSLATIONS)) {
|
|
$this->translations = $TRANSLATIONS;
|
|
}
|
|
if(isset($PLURAL_FORMS)) {
|
|
$this->plural_form_string = $PLURAL_FORMS;
|
|
}
|
|
}
|
|
|
|
protected function init() {
|
|
if ($this->app === true) {
|
|
return;
|
|
}
|
|
$app = OC_App::cleanAppId($this->app);
|
|
$lang = str_replace(array('\0', '/', '\\', '..'), '', $this->lang);
|
|
$this->app = true;
|
|
// Find the right language
|
|
if(is_null($lang) || $lang == '') {
|
|
$lang = self::findLanguage($app);
|
|
}
|
|
|
|
// Use cache if possible
|
|
if(array_key_exists($app.'::'.$lang, self::$cache)) {
|
|
|
|
$this->translations = self::$cache[$app.'::'.$lang]['t'];
|
|
$this->localizations = self::$cache[$app.'::'.$lang]['l'];
|
|
}
|
|
else{
|
|
$i18ndir = self::findI18nDir($app);
|
|
// Localization is in /l10n, Texts are in $i18ndir
|
|
// (Just no need to define date/time format etc. twice)
|
|
if((OC_Helper::isSubDirectory($i18ndir.$lang.'.php', OC::$SERVERROOT.'/core/l10n/')
|
|
|| OC_Helper::isSubDirectory($i18ndir.$lang.'.php', OC::$SERVERROOT.'/lib/l10n/')
|
|
|| OC_Helper::isSubDirectory($i18ndir.$lang.'.php', OC::$SERVERROOT.'/settings')
|
|
|| OC_Helper::isSubDirectory($i18ndir.$lang.'.php', OC_App::getAppPath($app).'/l10n/')
|
|
)
|
|
&& file_exists($i18ndir.$lang.'.php')) {
|
|
// Include the file, save the data from $CONFIG
|
|
$transFile = strip_tags($i18ndir).strip_tags($lang).'.php';
|
|
include $transFile;
|
|
if(isset($TRANSLATIONS) && is_array($TRANSLATIONS)) {
|
|
$this->translations = $TRANSLATIONS;
|
|
//merge with translations from theme
|
|
$theme = OC_Config::getValue( "theme" );
|
|
if (!is_null($theme)) {
|
|
$transFile = OC::$SERVERROOT.'/themes/'.$theme.substr($transFile, strlen(OC::$SERVERROOT));
|
|
if (file_exists($transFile)) {
|
|
include $transFile;
|
|
if (isset($TRANSLATIONS) && is_array($TRANSLATIONS)) {
|
|
$this->translations = array_merge($this->translations, $TRANSLATIONS);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if(isset($PLURAL_FORMS)) {
|
|
$this->plural_form_string = $PLURAL_FORMS;
|
|
}
|
|
}
|
|
|
|
if(file_exists(OC::$SERVERROOT.'/core/l10n/l10n-'.$lang.'.php') && OC_Helper::isSubDirectory(OC::$SERVERROOT.'/core/l10n/l10n-'.$lang.'.php', OC::$SERVERROOT.'/core/l10n/')) {
|
|
// Include the file, save the data from $CONFIG
|
|
include OC::$SERVERROOT.'/core/l10n/l10n-'.$lang.'.php';
|
|
if(isset($LOCALIZATIONS) && is_array($LOCALIZATIONS)) {
|
|
$this->localizations = array_merge($this->localizations, $LOCALIZATIONS);
|
|
}
|
|
}
|
|
|
|
self::$cache[$app.'::'.$lang]['t'] = $this->translations;
|
|
self::$cache[$app.'::'.$lang]['l'] = $this->localizations;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Creates a function that The constructor
|
|
*
|
|
* If language is not set, the constructor tries to find the right
|
|
* language.
|
|
*
|
|
* Parts of the code is copied from Habari:
|
|
* https://github.com/habari/system/blob/master/classes/locale.php
|
|
* @param string $string
|
|
* @return string
|
|
*/
|
|
protected function createPluralFormFunction($string){
|
|
if(preg_match( '/^\s*nplurals\s*=\s*(\d+)\s*;\s*plural=(.*)$/u', $string, $matches)) {
|
|
// sanitize
|
|
$nplurals = preg_replace( '/[^0-9]/', '', $matches[1] );
|
|
$plural = preg_replace( '#[^n0-9:\(\)\?\|\&=!<>+*/\%-]#', '', $matches[2] );
|
|
|
|
$body = str_replace(
|
|
array( 'plural', 'n', '$n$plurals', ),
|
|
array( '$plural', '$n', '$nplurals', ),
|
|
'nplurals='. $nplurals . '; plural=' . $plural
|
|
);
|
|
|
|
// add parents
|
|
// important since PHP's ternary evaluates from left to right
|
|
$body .= ';';
|
|
$res = '';
|
|
$p = 0;
|
|
for($i = 0; $i < strlen($body); $i++) {
|
|
$ch = $body[$i];
|
|
switch ( $ch ) {
|
|
case '?':
|
|
$res .= ' ? (';
|
|
$p++;
|
|
break;
|
|
case ':':
|
|
$res .= ') : (';
|
|
break;
|
|
case ';':
|
|
$res .= str_repeat( ')', $p ) . ';';
|
|
$p = 0;
|
|
break;
|
|
default:
|
|
$res .= $ch;
|
|
}
|
|
}
|
|
|
|
$body = $res . 'return ($plural>=$nplurals?$nplurals-1:$plural);';
|
|
return create_function('$n', $body);
|
|
}
|
|
else {
|
|
// default: one plural form for all cases but n==1 (english)
|
|
return create_function(
|
|
'$n',
|
|
'$nplurals=2;$plural=($n==1?0:1);return ($plural>=$nplurals?$nplurals-1:$plural);'
|
|
);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Translating
|
|
* @param string $text The text we need a translation for
|
|
* @param array $parameters default:array() Parameters for sprintf
|
|
* @return \OC_L10N_String Translation or the same text
|
|
*
|
|
* Returns the translation. If no translation is found, $text will be
|
|
* returned.
|
|
*/
|
|
public function t($text, $parameters = array()) {
|
|
return new OC_L10N_String($this, $text, $parameters);
|
|
}
|
|
|
|
/**
|
|
* Translating
|
|
* @param string $text_singular the string to translate for exactly one object
|
|
* @param string $text_plural the string to translate for n objects
|
|
* @param integer $count Number of objects
|
|
* @param array $parameters default:array() Parameters for sprintf
|
|
* @return \OC_L10N_String Translation or the same text
|
|
*
|
|
* Returns the translation. If no translation is found, $text will be
|
|
* returned. %n will be replaced with the number of objects.
|
|
*
|
|
* The correct plural is determined by the plural_forms-function
|
|
* provided by the po file.
|
|
*
|
|
*/
|
|
public function n($text_singular, $text_plural, $count, $parameters = array()) {
|
|
$this->init();
|
|
$identifier = "_${text_singular}_::_${text_plural}_";
|
|
if( array_key_exists($identifier, $this->translations)) {
|
|
return new OC_L10N_String( $this, $identifier, $parameters, $count );
|
|
}else{
|
|
if($count === 1) {
|
|
return new OC_L10N_String($this, $text_singular, $parameters, $count);
|
|
}else{
|
|
return new OC_L10N_String($this, $text_plural, $parameters, $count);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* getTranslations
|
|
* @return array Fetch all translations
|
|
*
|
|
* Returns an associative array with all translations
|
|
*/
|
|
public function getTranslations() {
|
|
$this->init();
|
|
return $this->translations;
|
|
}
|
|
|
|
/**
|
|
* getPluralFormString
|
|
* @return string containing the gettext "Plural-Forms"-string
|
|
*
|
|
* Returns a string like "nplurals=2; plural=(n != 1);"
|
|
*/
|
|
public function getPluralFormString() {
|
|
$this->init();
|
|
return $this->plural_form_string;
|
|
}
|
|
|
|
/**
|
|
* getPluralFormFunction
|
|
* @return string the plural form function
|
|
*
|
|
* returned function accepts the argument $n
|
|
*/
|
|
public function getPluralFormFunction() {
|
|
$this->init();
|
|
if(is_null($this->plural_form_function)) {
|
|
$this->plural_form_function = $this->createPluralFormFunction($this->plural_form_string);
|
|
}
|
|
return $this->plural_form_function;
|
|
}
|
|
|
|
/**
|
|
* get localizations
|
|
* @return array Fetch all localizations
|
|
*
|
|
* Returns an associative array with all localizations
|
|
*/
|
|
public function getLocalizations() {
|
|
$this->init();
|
|
return $this->localizations;
|
|
}
|
|
|
|
/**
|
|
* Localization
|
|
* @param string $type Type of localization
|
|
* @param array|int|string $data parameters for this localization
|
|
* @return String or false
|
|
*
|
|
* Returns the localized data.
|
|
*
|
|
* Implemented types:
|
|
* - date
|
|
* - Creates a date
|
|
* - l10n-field: date
|
|
* - params: timestamp (int/string)
|
|
* - datetime
|
|
* - Creates date and time
|
|
* - l10n-field: datetime
|
|
* - params: timestamp (int/string)
|
|
* - time
|
|
* - Creates a time
|
|
* - l10n-field: time
|
|
* - params: timestamp (int/string)
|
|
*/
|
|
public function l($type, $data) {
|
|
$this->init();
|
|
switch($type) {
|
|
// If you add something don't forget to add it to $localizations
|
|
// at the top of the page
|
|
case 'date':
|
|
case 'datetime':
|
|
case 'time':
|
|
if($data instanceof DateTime) {
|
|
return $data->format($this->localizations[$type]);
|
|
} elseif(is_string($data) && !is_numeric($data)) {
|
|
$data = strtotime($data);
|
|
}
|
|
$locales = array(self::findLanguage());
|
|
if (strlen($locales[0]) == 2) {
|
|
$locales[] = $locales[0].'_'.strtoupper($locales[0]);
|
|
}
|
|
setlocale(LC_TIME, $locales);
|
|
$format = $this->localizations[$type];
|
|
// Check for Windows to find and replace the %e modifier correctly
|
|
if (strtoupper(substr(PHP_OS, 0, 3)) == 'WIN') {
|
|
$format = preg_replace('#(?<!%)((?:%%)*)%e#', '\1%#d', $format);
|
|
}
|
|
return strftime($format, $data);
|
|
break;
|
|
case 'firstday':
|
|
case 'jsdate':
|
|
return $this->localizations[$type];
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Choose a language
|
|
* @param array $text Associative Array with possible strings
|
|
* @return String
|
|
*
|
|
* $text is an array 'de' => 'hallo welt', 'en' => 'hello world', ...
|
|
*
|
|
* This function is useful to avoid loading thousands of files if only one
|
|
* simple string is needed, for example in appinfo.php
|
|
*/
|
|
public static function selectLanguage($text) {
|
|
$lang = self::findLanguage(array_keys($text));
|
|
return $text[$lang];
|
|
}
|
|
|
|
/**
|
|
* The given language is forced to be used while executing the current request
|
|
* @param string $lang
|
|
*/
|
|
public static function forceLanguage($lang) {
|
|
self::$language = $lang;
|
|
}
|
|
|
|
|
|
/**
|
|
* find the best language
|
|
* @param array|string $app details below
|
|
* string language
|
|
*
|
|
* If $app is an array, ownCloud assumes that these are the available
|
|
* languages. Otherwise ownCloud tries to find the files in the l10n
|
|
* folder.
|
|
*
|
|
* If nothing works it returns 'en'
|
|
*/
|
|
public function getLanguageCode($app=null) {
|
|
return self::findLanguage($app);
|
|
}
|
|
|
|
|
|
/**
|
|
* find the best language
|
|
* @param array|string $app details below
|
|
* @return string language
|
|
*
|
|
* If $app is an array, ownCloud assumes that these are the available
|
|
* languages. Otherwise ownCloud tries to find the files in the l10n
|
|
* folder.
|
|
*
|
|
* If nothing works it returns 'en'
|
|
*/
|
|
public static function findLanguage($app = null) {
|
|
if(!is_array($app) && self::$language != '') {
|
|
return self::$language;
|
|
}
|
|
|
|
if(OC_User::getUser() && OC_Preferences::getValue(OC_User::getUser(), 'core', 'lang')) {
|
|
$lang = OC_Preferences::getValue(OC_User::getUser(), 'core', 'lang');
|
|
self::$language = $lang;
|
|
if(is_array($app)) {
|
|
$available = $app;
|
|
$lang_exists = array_search($lang, $available) !== false;
|
|
} else {
|
|
$lang_exists = self::languageExists($app, $lang);
|
|
}
|
|
if($lang_exists) {
|
|
return $lang;
|
|
}
|
|
}
|
|
|
|
$default_language = OC_Config::getValue('default_language', false);
|
|
|
|
if($default_language !== false) {
|
|
return $default_language;
|
|
}
|
|
|
|
if(isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
|
|
if(is_array($app)) {
|
|
$available = $app;
|
|
} else {
|
|
$available = self::findAvailableLanguages($app);
|
|
}
|
|
|
|
// E.g. make sure that 'de' is before 'de_DE'.
|
|
sort($available);
|
|
|
|
$preferences = preg_split('/,\s*/', strtolower($_SERVER['HTTP_ACCEPT_LANGUAGE']));
|
|
foreach($preferences as $preference) {
|
|
list($preferred_language) = explode(';', $preference);
|
|
$preferred_language = str_replace('-', '_', $preferred_language);
|
|
foreach($available as $available_language) {
|
|
if ($preferred_language === strtolower($available_language)) {
|
|
if (is_null($app)) {
|
|
self::$language = $available_language;
|
|
}
|
|
return $available_language;
|
|
}
|
|
}
|
|
foreach($available as $available_language) {
|
|
if (substr($preferred_language, 0, 2) === $available_language) {
|
|
if (is_null($app)) {
|
|
self::$language = $available_language;
|
|
}
|
|
return $available_language;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Last try: English
|
|
return 'en';
|
|
}
|
|
|
|
/**
|
|
* find the l10n directory
|
|
* @param string $app App that needs to be translated
|
|
* @return directory
|
|
*/
|
|
protected static function findI18nDir($app) {
|
|
// find the i18n dir
|
|
$i18ndir = OC::$SERVERROOT.'/core/l10n/';
|
|
if($app != '') {
|
|
// Check if the app is in the app folder
|
|
if(file_exists(OC_App::getAppPath($app).'/l10n/')) {
|
|
$i18ndir = OC_App::getAppPath($app).'/l10n/';
|
|
}
|
|
else{
|
|
$i18ndir = OC::$SERVERROOT.'/'.$app.'/l10n/';
|
|
}
|
|
}
|
|
return $i18ndir;
|
|
}
|
|
|
|
/**
|
|
* find all available languages for an app
|
|
* @param string $app App that needs to be translated
|
|
* @return array an array of available languages
|
|
*/
|
|
public static function findAvailableLanguages($app=null) {
|
|
$available=array('en');//english is always available
|
|
$dir = self::findI18nDir($app);
|
|
if(is_dir($dir)) {
|
|
$files=scandir($dir);
|
|
foreach($files as $file) {
|
|
if(substr($file, -4, 4) === '.php' && substr($file, 0, 4) !== 'l10n') {
|
|
$i = substr($file, 0, -4);
|
|
$available[] = $i;
|
|
}
|
|
}
|
|
}
|
|
return $available;
|
|
}
|
|
|
|
/**
|
|
* @param string $app
|
|
* @param string $lang
|
|
* @return bool
|
|
*/
|
|
public static function languageExists($app, $lang) {
|
|
if ($lang == 'en') {//english is always available
|
|
return true;
|
|
}
|
|
$dir = self::findI18nDir($app);
|
|
if(is_dir($dir)) {
|
|
return file_exists($dir.'/'.$lang.'.php');
|
|
}
|
|
return false;
|
|
}
|
|
}
|