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   1  <?php
   2  
   3  /**
   4   * Parser output
   5   *
   6   * @package Less
   7   * @subpackage output
   8   */
   9  class Less_Output{
  10  
  11      /**
  12       * Output holder
  13       *
  14       * @var string
  15       */
  16      protected $strs = array();
  17  
  18      /**
  19       * Adds a chunk to the stack
  20       *
  21       * @param string $chunk The chunk to output
  22       * @param Less_FileInfo $fileInfo The file information
  23       * @param integer $index The index
  24       * @param mixed $mapLines
  25       */
  26  	public function add($chunk, $fileInfo = null, $index = 0, $mapLines = null){
  27          $this->strs[] = $chunk;
  28      }
  29  
  30      /**
  31       * Is the output empty?
  32       *
  33       * @return boolean
  34       */
  35  	public function isEmpty(){
  36          return count($this->strs) === 0;
  37      }
  38  
  39  
  40      /**
  41       * Converts the output to string
  42       *
  43       * @return string
  44       */
  45  	public function toString(){
  46          return implode('',$this->strs);
  47      }
  48  
  49  }