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* @license http://www.gnu.org/licenses/gpl.html
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* @version $Id$
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* @filesource $HeadURL$
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* @since Datei vorhanden seit Release 2.8.2
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* @since Datei vorhanden seit Release 2.8.4
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* @lastmodified $Date$
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*/
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class ModLanguage {
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// @var string 2 upercase chars for hardcoded system default language
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private $_sSystemLanguage = 'EN';
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// @var string 2 upercase chars for default fallback language
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private $_sDefaultLanguage = '';
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// @var string 2 upercase chars for current active language
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private $_sCurrentLanguage = '';
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private $_sDefaultLanguage = '';
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// @var string full directory with trailing slash to search language files in
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private $_sLanguageDirectory = '';
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private $_sLanguageFile = '';
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private $_LanguageTable = array();
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// @array list to hold the complete resulting translation table
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private $_aLanguageTable = array();
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// @array list of all loaded/merged languages
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private $_aLoadedLanguages = array();
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// @boolean set to TRUE if language is successfully loaded
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private $_bLoaded = false;
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// @object hold the Singleton instance
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private static $_oInstance = null;
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private static $_oInstance = null;
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/* prevent from public instancing */
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protected function __construct() { }
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/* prevent from cloning */
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private function __clone() {}
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/**
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* prevent class from public instancing
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*/
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final protected function __construct() { }
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/**
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* prevent from cloning existing instance
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*/
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final private function __clone() {}
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/**
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* get a valid instance of this class
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* @return object
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*/
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return self::$_oInstance;
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}
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/**
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* return requested translation for a key
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* @param string $sLanguageKey 2-uppercase letters language code
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* @return string found translation or empty string
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* @throws TranslationException
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*/
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public function __get($sLanguageKey)
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{
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if($this->_bLoaded) {
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$sRetval = (isset($this->_aLanguageTable[$sLanguageKey])
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? $this->_aLanguageTable[$sLanguageKey] : '{missing: '.$sLanguageKey.'}');
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return $sRetval;
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}
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$msg = 'No translation table loaded';
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throw new TranslationException($msg);
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}
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/**
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* returns the whoole language array for use in templateengine
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* @return array
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* @throws TranslationException
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*/
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public function getLangArray()
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{
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if($this->_bLoaded) {
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return $this->_aLanguageTable;
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}
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$msg = 'No translation table loaded';
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throw new TranslationException($msg);
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}
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/**
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* set language and load needed language file
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* @param string $sDirectory full path to the language files
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* @param string $sLanguage 2-letters language code
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* @param string $sDefault 2-letters default-language code
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* @param string $sLanguage 2 chars current active language code
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* @param string $sDefault 2 chars default fallback language code
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* @throws SecDirectoryTraversalException [global exception]
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* @throws TranslationException [private exception]
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*/
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public function setLanguage($sDirectory, $sLanguage, $sDefault = 'EN')
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public function setLanguage($sDirectory, $sCurrentLanguage, $sDefaultLanguage = 'EN')
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{
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// sanitize arguments
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$sBasePath = realpath(dirname(dirname(__FILE__)));
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$sLangDir = realpath($sDirectory);
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if(!preg_match('/^'.preg_quote($sBasePath, '/').'/', $sLangDir)) {
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throw new SecDirectoryTraversalException();
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}
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$sLangDir = str_replace('\\', '/', $sLangDir);
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$sLangDir = rtrim($sLangDir, '/').'/';
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$sLanguage = strtoupper($sLanguage);
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$sLanguage = strtoupper($sDefault);
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if($this->_sLanguageDirectory != $sLangDir ||
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$this->_sCurrentLanguage != $sLanguage ||
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$this->_sDefaultLanguage != $sDefault)
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{
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// only load language if not already loaded
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$this->_sLanguageDirectory = rtrim($sLangDir, '/').'/';
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$this->_sCurrentLanguage = $sLanguage;
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$this->_sDefaultLanguage = $sDefault;
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if(!$this->_findLanguageFile()) {
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$sLangDir = realpath($sDirectory);
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if(preg_match('/^'.preg_quote($sBasePath, '/').'/', $sLangDir)) {
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$sLangDir = rtrim(str_replace('\\', '/', $sLangDir), '/').'/';
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$sCurrentLanguage = strtoupper($sCurrentLanguage);
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$sDefaultLanguage = strtoupper($sDefaultLanguage);
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// check if the requested language is not already loaded
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if($this->_sLanguageDirectory != $sLangDir ||
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$this->_sCurrentLanguage != $sCurrentLanguage ||
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$this->_sDefaultLanguage != $sDefaultLanguage)
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{
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// now load and merge the files in order SYSTEM - DEFAULT - CURRENT
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$this->_aLanguageTable = array();
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// at first search SYSTEM_LANGUAGE
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$this->_loadLanguage($sLangDir, $this->_sSystemLanguage);
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// at second merge DEFAULT_LANGUAGE
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if(!in_array($sDefaultLanguage, $this->_aLoadedLanguages)) {
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$this->_loadLanguage($sLangDir, $sDefaultLanguage);
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}
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// at third merge CURRENT_LANGUAGE
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if(!in_array($sCurrentLanguage, $this->_aLoadedLanguages)) {
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$this->_loadLanguage($sLangDir, $sCurrentLanguage);
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}
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// if no predefined language was fond, search for first available language
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if(sizeof($this->_aLanguageTable) == 0) {
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// if absolutely no language was fond, throw an exception
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if(false !== ($sRandomLanguage = $this->_findFirstLanguage($sLangDir))) {
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$this->_loadLanguage($sLangDir, $sRandomLanguage);
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}
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}
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// remember last settings
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$this->_sLanguageDirectory = $sLangDir;
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$this->_sCurrentLanguage = $sCurrentLanguage;
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$this->_sDefaultLanguage = $sDefaultLanguage;
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}
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if(!($this->_bLoaded = (sizeof($this->_aLanguageTable) != 0))) {
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$msg = 'unable to find valid language definition file in<br />';
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$msg .= '"'.str_replace($sBasePath, '', $this->_sLanguageDirectory).'"';
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throw new TranslationException($msg);
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}
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$this->_importArrays();
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$this->_bLoaded = true;
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}else {
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throw new SecDirectoryTraversalException($sLangDir);
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}
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$this->_bLoaded = (sizeof($this->_LanguageTable) > 0);
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}
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/**
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* return requested translation for a key
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* @param string $sLanguageKey 2-uppercase letters language code
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* @return string found translation or empty string
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* load language from given directory
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* @param string $sLangDir
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* @param string $sLanguage
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*/
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public function __get($sLanguageKey)
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private function _loadLanguage($sLangDir, $sLanguage)
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143 |
{
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| 80 |
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$sRetval = (isset($this->_LanguageTable[$sLanguageKey])
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? $this->_LanguageTable[$sLanguageKey] : '{missing: '.$sLanguageKey.'}');
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return $sRetval;
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144 |
if(is_readable($sLangDir.$sLanguage.'.php')) {
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$this->_aLanguageTable = array_merge($this->_aLanguageTable,
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$this->_importArrays($sLangDir.$sLanguage.'.php'));
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$this->_aLoadedLanguages[] = $sLanguage;
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}
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}
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/**
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* returns the whoole language array for use in templateengine
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* @return array
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151 |
* find first available language in given directory
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152 |
* @param string $sLangDir the directory to scan for language files
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* @return string returns the 2 char language code or FALSE if search fails
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154 |
*/
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public function getLangArray()
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155 |
private function _findFirstLanguage($sLangDir)
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156 |
{
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| 90 |
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return $this->_LanguageTable;
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}
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/**
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| 93 |
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* search language file in order: LANGUAGE - DEFAULT_LANGUAGE - FIRST_FOUND
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* @return boolean
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*/
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private function _findLanguageFile()
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| 97 |
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{
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| 98 |
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$bMatch = false;
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$dir = $this->_sLanguageDirectory;
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if(is_readable($dir.$this->_sCurrentLanguage.'.php')) {
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// check actual language
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$this->_sLanguageFile = $dir.$this->_sCurrentLanguage.'.php';
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$bMatch = true;
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}else {
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if(is_readable($dir.$this->_sDefaultLanguage.'.php')) {
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// check default language
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$this->_sLanguageFile = $dir.$this->_sDefaultLanguage.'.php';
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$bMatch = true;
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}else {
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// search for first available and readable language file
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if(is_readable($dir)) {
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$iterator = new DirectoryIterator($dir);
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foreach ($iterator as $fileinfo) {
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if(!preg_match('/^[A-Z]{2}\.php$/', $fileinfo->getBasename())) { continue; }
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$sLanguageFile = str_replace('\\', '/', $fileinfo->getPathname());
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if(is_readable($sLanguageFile)) {
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$this->_sLanguageFile = $sLanguageFile;
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$bMatch = true;
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break;
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| 120 |
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}
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}
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157 |
// search for first available and readable language file
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158 |
$sRetval = false;
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159 |
if(is_readable($sLangDir)) {
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160 |
$iterator = new DirectoryIterator($sLangDir);
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161 |
foreach ($iterator as $fileinfo) {
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162 |
if(!preg_match('/^[A-Z]{2}\.php$/', $fileinfo->getBasename())) { continue; }
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163 |
$sLanguageFile = $fileinfo->getPathname();
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164 |
if(is_readable($sLanguageFile)) {
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165 |
$sRetval = basename($sLanguageFile, '.php');
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166 |
break;
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| 122 |
167 |
}
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| 123 |
168 |
}
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| 124 |
169 |
}
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| 125 |
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return $bMatch;
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170 |
return $sRetval;
|
| 126 |
171 |
}
|
| 127 |
172 |
/**
|
| 128 |
173 |
* import key-values from language file
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|
174 |
* @param string $sLanguageFile
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|
175 |
* @return array of language definitions
|
| 129 |
176 |
*/
|
| 130 |
|
private function _importArrays()
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177 |
private function _importArrays($sLanguageFile)
|
| 131 |
178 |
{
|
| 132 |
|
include($this->_sLanguageFile);
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| 133 |
|
$aLangSections = array('HEADING', 'TEXT', 'MESSAGE', 'MENU', 'OVERVIEW', 'GENERIC');
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179 |
include($sLanguageFile);
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180 |
$aAllVars = get_defined_vars();
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181 |
$aLangSections = array();
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182 |
$aLanguageTable = array();
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183 |
foreach($aAllVars as $key=>$value) {
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184 |
// extract the names of arrays from language file
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185 |
if(is_array($value)) {
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186 |
$aLangSections[] = $key;
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187 |
}
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188 |
}
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| 134 |
189 |
foreach($aLangSections as $sSection) {
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| 135 |
|
if(isset(${$sSection}) && is_array(${$sSection})) {
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| 136 |
|
foreach(${$sSection} as $key => $value) {
|
| 137 |
|
$this->_LanguageTable[$sSection.'_'.$key] = $value;
|
| 138 |
|
}
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|
190 |
// walk through all arrays
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|
191 |
foreach(${$sSection} as $key => $value) {
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|
192 |
// and import all found translations
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193 |
$aLanguageTable[$sSection.'_'.$key] = $value;
|
| 139 |
194 |
}
|
| 140 |
195 |
}
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|
196 |
return $aLanguageTable;
|
| 141 |
197 |
}
|
| 142 |
198 |
} // end class Translate
|
| 143 |
199 |
/**
|
| 144 |
200 |
* Exception class for Translation
|
| 145 |
201 |
*/
|
| 146 |
202 |
class TranslationException extends AppException {}
|
| 147 |
|
|
ModLanguage modified for auto fallback to DEFAULT_LANGUAGE
globalExceptionHandler added AppException, SecurityException, SecDirectoryTraversalException
Errormessage for old class.database modified