lib/lessphp/Tree/Url.php

   1 <?php
   2
   3 /**
   4  * Url
   5  *
   6  * @package Less
   7  * @subpackage tree
   8  */
   9 class Less_Tree_Url extends Less_Tree{
  10
  11         public $attrs;
  12         public $value;
  13         public $currentFileInfo;
  14         public $isEvald;
  15         public $type = 'Url';
  16
  17         public function __construct($value, $currentFileInfo = null, $isEvald = null){
  18                 $this->value = $value;
  19                 $this->currentFileInfo = $currentFileInfo;
  20                 $this->isEvald = $isEvald;
  21         }
  22
  23         function accept( $visitor ){
  24                 $this->value = $visitor->visitObj($this->value);
  25         }
  26
  27     /**
  28      * @see Less_Tree::genCSS
  29      */
  30         function genCSS( $output ){
  31                 $output->add( 'url(' );
  32                 $this->value->genCSS( $output );
  33                 $output->add( ')' );
  34         }
  35
  36         /**
  37          * @param Less_Functions $ctx
  38          */
  39         public function compile($ctx){
  40                 $val = $this->value->compile($ctx);
  41
  42                 if( !$this->isEvald ){
  43                         // Add the base path if the URL is relative
  44                         if( Less_Parser::$options['relativeUrls']
  45                                 && $this->currentFileInfo
  46                                 && is_string($val->value)
  47                                 && Less_Environment::isPathRelative($val->value)
  48                         ){
  49                                 $rootpath = $this->currentFileInfo['uri_root'];
  50                                 if ( !$val->quote ){
  51                                         $rootpath = preg_replace('/[\(\)\'"\s]/', '\\$1', $rootpath );
  52                                 }
  53                                 $val->value = $rootpath . $val->value;
  54                         }
  55
  56                         $val->value = Less_Environment::normalizePath( $val->value);
  57                 }
  58
  59                 // Add cache buster if enabled
  60                 if( Less_Parser::$options['urlArgs'] ){
  61                         if( !preg_match('/^\s*data:/',$val->value) ){
  62                                 $delimiter = strpos($val->value,'?') === false ? '?' : '&';
  63                                 $urlArgs = $delimiter . Less_Parser::$options['urlArgs'];
  64                                 $hash_pos = strpos($val->value,'#');
  65                                 if( $hash_pos !== false ){
  66                                         $val->value = substr_replace($val->value,$urlArgs, $hash_pos, 0);
  67                                 } else {
  68                                         $val->value .= $urlArgs;
  69                                 }
  70                         }
  71                 }
  72
  73                 return new Less_Tree_URL($val, $this->currentFileInfo, true);
  74         }
  75
  76 }