<?php



class utlTemplate

{

	public static $tplExt 		= ".tpl";

	public static $tplDir 		= "template";



	public static $phpExt 		= ".php";

	public static $phpDir 		= "temp";



	public $data 				= null;

	public $content			= null;



	function __construct() {}



	public function getFileData($tpl_file) // ���������� ������ �� �����

	{

			//echo $tpl_file."<br />";

			if (!is_file($tpl_file))

				$tpl_file = self::$tplDir.DIRECTORY_SEPARATOR.$tpl_file.self::$tplExt;



			if (!is_file($tpl_file))

				die("utlTemplate::parse() - {$tpl_file} file not found.");



		return $this->data = file_get_contents($tpl_file);

	}



	public function parse($data = null) // ������� �������

	{

		$tpl_content = ($data)?$data:$this->data;

		

		preg_match_all("~\{(.*?)\}~si", $tpl_content, $matches);



		foreach($matches[1] as $var)

		{

			switch(TRUE)

			{

				case ereg("^\\$([_a-zA-z0-9\(\)\'\>\-]*)$", $var, $var): /* ������ ���������� */

					$replace = "<?PHP echo $" . $var[1] . "; ?>";

					$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

				break;



				case ereg("^Include \"(.*)\"$", $var, $var): /* ������� ������� */

					switch(TRUE)

					{

						case ereg("^\\$([\/_a-zA-z0-9\'\>\-]*)$", $var[1], $varNew):

							$replace = $this->parse($this->getFileData($GLOBALS[$varNew[1]]));

							$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

						break;



						case ereg("^([\/_a-zA-z0-9\-]*)$", $var[1], $varNew):

							$replace = $this->parse($this->getFileData($varNew[1]));

							$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

						break;

					}

				break;



			case ereg("^If \"(.*)\"$", $var, $var): /* ���������� ��������� IF */

				$replace = "<?PHP if (" . $var[1] . ") { ?>";

				$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

			break;



			case ereg("^elseIf$", $var, $var): /* ������ ���������� ��������� IF */

				$replace = "<?PHP } else { ?>";

				$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

			break;



			case ereg("^Foreach \"(.*)\"$", $var, $var): /* ���������� ��������� FOREACH */

				$replace = "<?PHP foreach (" . $var[1] . ") { ?>";

				$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

			break;



			case ereg("^While \"(.*)\"$", $var, $var): /* ���������� ��������� FOREACH */

				$replace = "<?PHP while (" . $var[1] . ") { ?>";

				$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

			break;



			case ereg("^For \"(.*)\"$", $var, $var): /* ���������� ��������� FOR */

				$replace = "<?PHP for (" . $var[1] . ") { ?>";

				$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

			break;



			case ereg("^endIf$", $var, $var): /* ������ ���������� ��������� IF */

			case ereg("^endForeach$", $var, $var): /* ������ ���������� ��������� FOREACH */

			case ereg("^endWhile$", $var, $var): /* ������ ���������� ��������� WHILE */

			case ereg("^endFor$", $var, $var): /* ������ ���������� ��������� FOR */

			case ereg("^\/$", $var, $var): /* ������� ������*/

				$replace = "<?PHP } ?>";

				$tpl_content = str_replace('{' . $var[0] . '}' , $replace, $tpl_content);

			break;

			}

		}

		return $this->content = $tpl_content;

	}



	function display()

	{

		$temp_file = ROOT.DIRECTORY_SEPARATOR.self::$phpDir.DIRECTORY_SEPARATOR.microtime().self::$phpExt;



		$handle = fopen($temp_file, 'w+');

		fwrite($handle, $this->content);

		fclose($handle);



		reset($GLOBALS);

		foreach($GLOBALS as $key => $value)

			$$key = $value;



		include($temp_file);



		unlink($temp_file);

	}



	function display_file($file_name)

	{

		$this->parse($this->getFileData($file_name));

		$this->display();

	}



	function display_data($data)

	{

		$this->parse($data);

		$this->display();

	}

}



?>