1 <?php
  2 
  3 include(__DIR__."/libs/phpclosure.php");
  4 
  5 #######################################################################################
  6 ####
  7 ####  MAGRATHEA PHP
  8 ####  v. 1.0
  9 ####
 10 ####  Magrathea by Paulo Henrique Martins
 11 ####  Platypus technology
 12 ####
 13 #######################################################################################
 14 ####
 15 ####  CSS Compressor
 16 ####  Compress CSS files
 17 ####  
 18 ####  created: 2013-01 by Paulo Martins
 19 ####
 20 #######################################################################################
 21 
 22 /**
 23  * Compressor: Magrathea function that works with *MagratheaView* to generate compressed files for CSS and Javascript
 24  */
 25 class MagratheaCompressor {
 26 
 27   const COMPRESS_JS = 1;
 28   const COMPRESS_CSS = 2;
 29 
 30   private $files = array();
 31   private $content = "";
 32   private $type = COMPRESS_JS;
 33   private $compressionMode = "advanced";
 34 
 35   function MagratheaCompressor($compress_type=null) { 
 36     if(!is_null($compress_type)){
 37       $this->type = $compress_type;
 38     }
 39   }
 40 
 41   function setCompressionMode($mode){
 42     $this->compressionMode = strtolower($mode);
 43   }
 44 
 45   /**
 46    * Adds a source file to the list of files to compile.  Files will be
 47    * concatenated in the order they are added.
 48    */
 49   function add($file) {
 50     $this->files[] = $file;
 51     return $this;
 52   }
 53 
 54   function compress(){
 55     if( $this->type == self::COMPRESS_CSS ){ 
 56       $this->compressCSS();
 57     } else if ( $this->type == self::COMPRESS_JS ) {
 58       $this->compressJs();
 59     }
 60   }
 61 
 62   function compressCSS(){
 63     $allContent = "";
 64     foreach ($this->files as $f) {
 65       $allContent .= file_get_contents($f);
 66     }
 67     Debug("compressing CSS...");
 68     $this->content = 
 69       str_replace('; ',';',
 70         str_replace(' }','}',
 71           str_replace('{ ','{',
 72             str_replace(
 73               array("\r\n","\r","\n","\t",'  ','    ','    '),"",
 74               preg_replace('!/\*[^*]*\*+([^/][^*]*\*+)*/!','',
 75                 $allContent)
 76             )
 77           )
 78         )
 79       );
 80   }
 81 
 82   function compressJs($advancedMode=false){
 83     $phpclosure = new PhpClosure();
 84     foreach($this->files as $f){
 85       $phpclosure->add($f);
 86     }
 87     if($this->compressionMode == "advanced"){
 88       $phpclosure->advancedMode()->useClosureLibrary();
 89     }
 90     if( MagratheaDebugger::Instance()->GetType() == MagratheaDebugger::NONE ){
 91       $phpclosure->hideDebugInfo();
 92     }
 93     Debug("compressing Javascript...");
 94     $this->content = $phpclosure->_compile();
 95     // removing console messages:
 96     $consoleRegex = "/({|}|\)|;|\s)console.(log|debug|info|warn|error|assert|dir|dirxml|trace|group|groupEnd|time|timeEnd|profile|profileEnd|count)\\(.*?\\);/i"; 
 97     $this->content = preg_replace($consoleRegex, "$1", $this->content);
 98   }
 99 
100   function GetCompressedContent(){
101     return $this->content;
102   }
103 }
104 
105 ?>