<?php
/**
* Simple TemplateParser Class
*
* @author  :  MA Razzaque Rupom <hide@address.com>, <hide@address.com>
*             Moderator, phpResource (http://groups.yahoo.com/group/phpresource/)
*             URL: http://www.rupom.info  
* @version :  1.0
* Purpose  :  Parsing Simple Template File and Data that Contains Macros
*/

class TemplateParser
{
	 var $data;
	 
	 /**
	 * Initializes "macro=>value" array
	 * @param Array "macro=>value" array
	 * @return none
	 */
   function initData($data)
   {
      $this->data = array();   	
      $this->data = $data;   	
   }
   
   /**
	 * Parses template file
	 * @param template filename
	 * @return parsed template
	 */
   function parseTemplateFile($templateFile)
   {
      $searchPattern          = "/\{([a-zA-Z0-9_]+)\}/i"; // macro delimiter "{" and "}"
      $replacementFunction    = array(&$this, 'parseMatchedText');  //Method callbacks are performed this way 
      $fileData               = file_get_contents($templateFile);                        
      $parsedTemplate         = preg_replace_callback($searchPattern, $replacementFunction, $fileData);
      
      return $parsedTemplate;
   }
 
   /**
	 * Parses template data
	 * @param template data
	 * @return parsed data
	 */
   function parseTemplateData($templateData)
   {
      $searchPattern          = "/\{([a-zA-Z0-9_]+)\}/i"; //macro delimiter "{" and "}"
      $replacementFunction    = array(&$this, 'parseMatchedText');  //Method callbacks are performed this way       
      $parsedTemplate         = preg_replace_callback($searchPattern, $replacementFunction, $templateData);
      
      return $parsedTemplate;
   }
   
   /**
   * Callback function that returns value of a matching macro 
   * @param Array $matches
   * @return String value of matching macro
   */
   function parseMatchedText($matches)
   {
      return $this->data[$matches[1]];	
   }

} //End Of Class

?>