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LanguageCompiler.class.php (4303B)

      1 <?php
      2 
      3 namespace language;
      4 
      5 use LogicException;
      6 
      7 use util\YAML;
      8 
      9 class LanguageCompiler
     10 {
     11     private $srcFile;
     12 
     13     private $fallback = 'en';
     14     const DO_NOT_CHANGE = '/* DO NOT CHANGE THIS GENERATED FILE */';
     15 
     16     public function __construct()
     17     {
     18 		$this->languageFolder = __DIR__ . '/';
     19         $this->srcFile  = __DIR__ . '/language.yml';
     20         $this->listFile = __DIR__ . '/LanguageList.class.php';
     21         $this->keyFile  = __DIR__ . '/Messages.class.php';
     22     }
     23 
     24     /**
     25      * Compiles language YAML source to native language php files.
     26      * Only, if the YAML source file has changed.
     27      */
     28     private function compile()
     29     {
     30         $this->updateProduction();
     31     }
     32 
     33 
     34     private function getLanguageSource()
     35     {
     36         return YAML::parse( file_get_contents($this->srcFile) );
     37     }
     38 
     39 
     40     /**
     41      * Creates the production environment.
     42      */
     43     public function updateProduction()
     44     {
     45         $lang = $this->getLanguageSource();
     46 
     47         $this->updateMessages($lang);
     48         $this->updateLanguageFiles($lang);
     49     }
     50 
     51 	/**
     52 	 * Creates the production environment.
     53 	 * @param $lang
     54 	 */
     55     private function updateMessages( $lang )
     56     {
     57 		$success = file_put_contents($this->keyFile, '<?php namespace '.__NAMESPACE__."; ".self::DO_NOT_CHANGE."\nclass Messages {\n");
     58 		if ($success)
     59 			;
     60 		else
     61 			throw new LogicException("File is not writable: '$this->keyFile'\n");
     62 
     63 		file_put_contents($this->keyFile, '  public static $AVAILABLE_LANGUAGES = ['.implode(',',array_map(function ($language) {
     64 			return '\''.$language.'\'';
     65 			},$this->getIsoList($lang))).'];'."\n",FILE_APPEND);
     66 
     67 
     68 		foreach ($lang as $key => $values)
     69 			file_put_contents($this->keyFile, '  const '.strtoupper($key).' = \''.strtoupper($key).'\';'."\n",FILE_APPEND);
     70 
     71 		file_put_contents($this->keyFile, '}',FILE_APPEND);
     72 		echo 'Success: Updated file '.$this->keyFile."\n";
     73     }
     74 
     75 
     76 
     77 
     78     private function getIsoList( $lang )
     79 	{
     80 		$isoList = array();
     81 
     82 		foreach ($lang as $key => $values) {
     83 			foreach ($values as $isocode => $value) {
     84 				if (!in_array($isocode, $isoList))
     85 					$isoList[] = $isocode;
     86 			}
     87 
     88 		}
     89 
     90 		return $isoList;
     91 	}
     92 
     93 
     94 
     95 
     96 /**
     97 	 * Creates the production environment.
     98 	 * @param $lang
     99 	 */
    100     private function updateLanguageFiles( $lang )
    101     {
    102         // creating a list of all language iso codes.
    103 
    104 		foreach ($this->getIsoList($lang) as $iso) {
    105             $outputFilename = $this->getOutputLanguageFile($iso);
    106 
    107             $success = file_put_contents($outputFilename, "<?php ".self::DO_NOT_CHANGE."\n");
    108 
    109             if ($success)
    110                 ;
    111             else
    112                 throw new LogicException("File is not writable: '$outputFilename'\n");
    113 
    114             file_put_contents($outputFilename, "namespace ".__NAMESPACE__.'; class '.$this->getOutputLanguageClass($iso)." {\npublic function get() { return [\n", FILE_APPEND);
    115             foreach ($lang as $key => $value) {
    116                 if (isset($value[$iso]))
    117                     $t = $value[$iso];
    118                 elseif (isset($value[$this->fallback]))
    119                     $t = $value[$this->fallback]; // Fallback language
    120                 else
    121                     echo "WARNING: ".'language key '.$key.' has no value for '.$iso.' and '.$this->fallback.'.'."\n";
    122                 $t = str_replace('\'', '\\\'', $t); // escaping
    123                 file_put_contents($outputFilename, "'$key'=>'$t',\n", FILE_APPEND);
    124             }
    125             file_put_contents($outputFilename, "];}\n}", FILE_APPEND);
    126 
    127             echo 'Success: Updated file '.$outputFilename."\n";
    128         }
    129     }
    130 
    131     /**
    132      * Returns the native php language file for the selected iso code.
    133      * @param $iso string ISO-Code
    134      * @param null string $fallbackiso Fallback to this ISO-Code, if the file does not exist.
    135      * @return string filename
    136      */
    137     private function getOutputLanguageClass( $iso )
    138     {
    139         return 'Language_' . strtoupper($iso);
    140     }
    141 
    142     /**
    143      * Returns the native php language file for the selected iso code.
    144      * @param $iso string ISO-Code
    145      * @param null string $fallbackiso Fallback to this ISO-Code, if the file does not exist.
    146      * @return string filename
    147      */
    148     private function getOutputLanguageFile( $iso )
    149     {
    150         return __DIR__.'/'.$this->getOutputLanguageClass($iso).'.class.php';
    151     }
    152 
    153 }