139 lines
4.1 KiB
PHP
Executable File
139 lines
4.1 KiB
PHP
Executable File
<?php
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namespace Franzz\Objects;
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use \Settings;
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/**
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* Translator Class
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* @author franzz
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* @version 1.1
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*/
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class Translator extends PhpObject
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{
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private $sLang;
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private $sDefaultLang;
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private $asLanguages;
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private $asTranslations; // [lang][key_word] = translation
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const LANG_FOLDER = '../languages/';
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const LANG_EXT = '.lang';
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const LANG_SEP = '=';
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const DEFAULT_LANG = 'en';
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/**
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* Constructor
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* @param string $sLang leave empty for auto selection based on $_SERVER['HTTP_ACCEPT_LANGUAGE']
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* @param string $sDefaultLang Fallback language if no fitting language is available
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*/
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public function __construct($sLang='', $sDefaultLang='')
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{
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parent::__construct(__FILE__);
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$this->asLanguages = array();
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$this->asTranslations = array();
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$this->loadLanguages();
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$this->setLanguage($sLang, $sDefaultLang);
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}
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public function setLanguage($sLang, $sDefaultLang='') {
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$this->sDefaultLang = ($sDefaultLang=='')?self::DEFAULT_LANG:$sDefaultLang;
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$this->sLang = ($sLang=='')?ToolBox::getUserLanguage($this->asLanguages, $this->sDefaultLang):$sLang;
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}
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public function getLanguage() {
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return $this->sLang;
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}
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public function getTranslation($sTransKey='', $asParams=array(), $sLang='')
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{
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$oTransText = false;
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//Select language & Scope
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if($sLang=='') $sLang = $this->sLang;
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$bAllTrans = ($sTransKey=='');
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//Look up in the selected language dictionary
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if(in_array($sLang, $this->asLanguages) && ($bAllTrans || array_key_exists($sTransKey, $this->asTranslations[$sLang]))) {
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if($bAllTrans) $oTransText = array_merge($this->asTranslations[$this->sDefaultLang], $this->asTranslations[$sLang]);
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else $oTransText = $this->asTranslations[$sLang][$sTransKey];
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}
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//Look up in the default language dictionary
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elseif(!$bAllTrans && array_key_exists($sTransKey, $this->asTranslations[$this->sDefaultLang])) {
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$this->addWarning('Missing translation in "'.$sLang.'" for the key "'.$sTransKey.'", falling back to "'.$this->sDefaultLang.'"');
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$oTransText = $this->asTranslations[$this->sDefaultLang][$sTransKey];
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}
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else $this->addWarning($bAllTrans?'Missing language "'.$sLang.'"':'Missing translation in "'.$sLang.'" for the key "'.$sTransKey.'"');
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if(is_string($asParams)) $asParams = array($asParams);
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if($oTransText && !$bAllTrans && !empty($asParams)) {
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foreach($asParams as $iIndex=>$sParam) $oTransText = str_replace('$'.$iIndex, $sParam, $oTransText);
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}
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return $oTransText;
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}
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public function getTranslations($sLang='') {
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return $this->getTranslation('', array(), $sLang);
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}
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public function getHashToPage($asMenuPages)
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{
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$asHashToPage = array();
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foreach($asMenuPages as $sHash)
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{
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foreach($this->asLanguages as $sLang)
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{
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$asHashToPage[$this->getTranslation('menu_'.$sHash.'_key', $sLang)] = $sHash;
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}
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}
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return $asHashToPage;
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}
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public function getPageToHash($asMenuPages)
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{
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$asPageToHash = array();
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foreach($asMenuPages as $sHash)
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{
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$asPageToHash[$sHash] = $this->getTranslation('menu_'.$sHash.'_key');
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}
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return $asPageToHash;
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}
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public function getTranslationKey($stransText, $sLang='') {
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if($sLang=='') $sLang = $this->sLang;
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return array_search($stransText, $this->asTranslations[$sLang]) ?? '';
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}
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private function loadLanguages()
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{
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//List all available languages
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$asLangPaths = glob(self::getLangPath('*'));
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$this->asLanguages = array_map('basename', $asLangPaths, array_fill(1, count($asLangPaths), self::LANG_EXT));
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//Load languages
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array_walk($this->asLanguages, array($this, 'loadLanguageFile'));
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}
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private function loadLanguageFile($sLang)
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{
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if(!in_array($sLang, $this->asTranslations))
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{
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$sData = file_get_contents(self::getLangPath($sLang));
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$asData = explode("\n", $sData);
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foreach($asData as $sTranslation)
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{
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$iSepPos = mb_stripos($sTranslation, self::LANG_SEP);
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if($iSepPos !== false)
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{
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$sTransKey = trim(mb_substr($sTranslation, 0, $iSepPos));
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$sTransText = trim(mb_substr($sTranslation, $iSepPos+1));
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$this->asTranslations[$sLang][$sTransKey] = $sTransText;
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}
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}
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}
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}
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private static function getLangPath($sLang)
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{
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return self::LANG_FOLDER.$sLang.self::LANG_EXT;
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}
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} |