Subversion-Projekte lars-tiefland.php_share

<?php

/* $Id: Easy_Templates.class.php 8 2007-04-24 14:17:50Z markus $ */

/**

 * Easy Templates parsing engine.

 *

 * With this class you easily could handle template files

 * and parse the contents in it. A detailed documentation

 * you will find in the comments. Or in this DocBlock.

 *

 * PHP versions 4 and 5

 *

 * LICENSE: This source file is subject to version 3.0 of the PHP license

 * that is available through the world-wide-web at the following URI:

 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of

 * the PHP License and are unable to obtain it through the web, please

 * send a note to license@php.net so we can mail you a copy immediately.

 *

 * @category   Web_Contents

 * @package    Easy_Templates

 * @author     Markus Niewerth <markus@weban.de>

 * @copyright  1997-2005 The PHP Group

 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0

 * @since      File available since Release 1.0.1

 */

	/*

		Implementation von Klassen-basierter Programmierung.

		Die neu Klasse Weban_Shop wird im späteren Verlauf mit

		den Funktionen aus dem alten Shop Modul gefüllt, Somit

		können alle Funktionen nach und nach ausgetauscht werden.

		Zur Information: Es existieren noch keine extended Klassen,

		alle benötigten Klassen eines Moduls werden in der Hauptklasse

		instanziert und können dann auch über das $Weban_Shop Object

		angesprochen werden.

	*/

// {{{ constants

define("__CONSTRUCT_ERROR__", 	"Can't load Template file: <strong>%s</strong>");

define("__ERROR_MESSAGE__", 	"Keine ID bergeben, %s");

define("__RETURN_TEMPLATES__", 	false);

// }}}

// {{{ GLOBALS

 // -------------------

 // IF any put in here!

 // -------------------

// }}}

// {{{ Easy_Templates

/**

 * Easy Templates parsing engine.

 *

 * With this class you easily could handle template files

 * and parse the contents in it. A detailed documentation

 * you will find in the comments. Or in this DocBlock.

 *

 * PHP versions 4 and 5

 *

 * LICENSE: This source file is subject to version 3.0 of the PHP license

 * that is available through the world-wide-web at the following URI:

 * http://www.php.net/license/3_0.txt.  If you did not receive a copy of

 * the PHP License and are unable to obtain it through the web, please

 * send a note to license@php.net so we can mail you a copy immediately.

 *

 * @category   Web_Contents

 * @package    Easy_Templates

 * @author     Markus Niewerth <markus@weban.de>

 * @copyright  1997-2005 The PHP Group

 * @license    http://www.php.net/license/3_0.txt  PHP License 3.0

 * @since      File available since Release 1.0.1

 */

class Easy_Templates {

	// {{{ properties

	/**

	* @var   int   $SiteID

	* Seiten oder Status ID

	*/

	var $SiteID;

	/**

	* @var   res   $fp

	* Resource fr den filestream

	*/

	var $fp           =   '';

	/**

	* @var   array   $uncompiled

	* @var   array   $compiled

	* Eingabe und Ausgabe arrays

	*/

	var $uncompiled   =   array();

	var $compiled     =   array();

	/**

	* @var   int   $i			Template zaehler, gibt die geladenen

	* @var   int   $loaded   	Zaehler array

	* Uebertraegt den aktuellen Zaehler als einen Schluessel

	*/

	var $i;

	var $loaded = array();

	/**

	* @var   int   $extension

	* Template extension (sucht nach diesen endungen)

	*/

	var $extension;

	/**

	* @var array $ctcscript

	* Beinhaltet template scripts, die

	* dynamisch zur Laufzeit ausgefhrt werden.

	*

	*/

	var $ctcscript = array();

	/**

	* @var string $parsed

	* Zu parsende CTC Script parts

	*/

	var $parsed = "";

	/**

	* @var array $_cache         Cached templates

	* @var array $_evalcache     Parsed cached templates

	*

	*/

	var $_cache       = array();

	var $_evalcache   = array();

	/**

	* @var array $_cache

	* Cached templates

	*/

	var $_loadtimes = array();

	// }}}

	// {{{ Easy_Templates()

	/**

	* Easy_Templates::Easy_Templates

	* C o n s t r u c t o r

	* @param   $SiteID     Aktuelle Seite oder Kontext ID

	* @param   $extension  Die Template extension (zb. .tpl, .html usw.)

	*/

	function Easy_Templates($SiteID=0, $extension='.html')

	{

		if (empty($SiteID)) {

			sprintf("Easy_Templates::Easy_Templates(".__ERROR_MESSAGE__.")", $extension);

		}

		$this->SiteID=$SiteID;

		$this->i=0; // templates loaded

		$this->extension = $extension;

		$_loadtimes['start']    = array();

		$_loadtimes['end']      = array();

		// Definiert eine Methode und gleichzeitig auch die Funktion

		if (!function_exists('pre'))  {

			function pre($arr)

			{

				print("<pre>\n");

				print_r($arr);

				print("</pre>\n");

			}

		}

		if (!function_exists('microtime_float'))  {

			function microtime_float()

			{

				list($usec, $sec) = explode(" ", microtime());

				return ((float)$usec + (float)$sec);

			}

		}

		// {GLOBALS}[loaded]

	}

	// }}}

	// {{{ parse()

	/**

	* @name parse

	* This Function uses a simple

	* routine for executing small

	* IF commands.

	*

	* @param String $content  [The template file]

	* @param Bool   $fallback [not active atm]

	* @param Array  $args     [variables for the template execution]

	*/

	function parse($content, $fallback=NULL, $args, $showPart=NULL, $delima = "{", $delimb = "}", $return=__RETURN_TEMPLATES__)

	{

		global $loaded, $loadtime;

		$this->_loadtimes['start'][$this->i] = microtime_float();

		$__tmplpart = $showPart;

		extract($args, EXTR_OVERWRITE );

		$this->parsed 		= NULL;

		$this->cache 		= NULL;

		$this->ctcscript 	= NULL;

		$this->uncompiled 	= NULL;

		$this->compiled 	= NULL;

		/**

		 * Open the File Stream, to get

		 * the template contents.

		 * We use @, cause we wanna have

		 * a clean template parser.

		 */

		$this->fp = @fopen($content. $this->extension, 'r');

		if (!$this->fp) {

			$this->fp = @fopen($tplDir.$fallback.$this->extension, 'r');

		}

		if (!$this->fp) {

			$show 			= "E_MESSAGE";

			$E_MESSAGE 		= sprintf(__CONSTRUCT_ERROR__,$content . $this->extension);

			$this->cache 	= "\n<!-- IF [show] 'E_MESSAGE' -->\n".$delima."E_MESSAGE".$delimb."\n<!-- ENDIF -->\n";

		}

		if ($this->fp) {

			array_push ($this->loaded, $this->i);

			/**

			 * Read the template contents

			 */

			$this->cache = fread($this->fp, filesize($content . $this->extension));

			fclose($this->fp);

		}

		/**

		 * Parse internal Functions

		 * called CTC Script.

		 * Its a simple IF construct.

		 * Example:

		 * <!-- IF [variable] 'value' -->

		 * TEMPLATE CONTENTS GOES HERE

		 * <!-- ENDIF -->

		 * NOTE:

		 * The parser is not tested

		 * with normal HTML Comments.

		 *

		 */

		/**

		 * @variable String $pcre

		 * The Regular Expression to get

		 * the template script executed.

		 * It cost me several hours for

		 * testing and executing.

		 * Dieser Teil steuert die If Bedingungen in Kommentaren

		 * Siehe Kommentar weiter oben.

		 */

		$pcre = "/<!--[\s]{1,}IF[\s]{1,}\[([a-zA-Z0-9_]{1,})\][\s]{1,}\'([a-zA-Z0-9_]{1,})\'[\s]{1,}-->(.*)<!--[\s]{1,}ENDIF[\s]{1,}-->/sU";

		//$case = "/<!--[\s]{1,}CASE[\s]{1,}\[([a-zA-Z0-9]{1,})\][\s]{1,}\'([a-zA-Z0-9]{1,})\'[\s]{1,}-->(.*)<!--[\s]{1,}ENDCASE[\s]{1,}-->/sU";

		/**

		 * Execute the Regular Expression to

		 * handle CTC Template Script.

		 */

		preg_match_all($pcre, $this->cache, $this->ctcscript);

		/**

		 * [1] => variables

		 * [2] => values

		 * [3] => html contents

		 */

		if (is_array($this->ctcscript[1])) {

			foreach(array_keys($this->ctcscript[1]) AS $elem) {

				$var = $this->ctcscript[1][$elem];

				if ($$var==$this->ctcscript[2][$elem]) {

					$this->parsed .= $this->ctcscript[3][$elem];

				}

			}

		}

		// 	preg_match_all($case, $this->cache, $this->ctcscript);

			/**

			* [1] => variables

			* [2] => values

			* [3] => html contents

			*/

		// 	if(is_array($this->ctcscript[1])) {

		// 		foreach(array_keys($this->ctcscript[1]) AS $elem) {

		// 			$var = $this->ctcscript[1][$elem];

		// 			if($$var==$this->ctcscript[2][$elem]) {

		// 				$cases[] = $this->ctcscript[3][$elem];

		// 			}

		// 		}

		// 	}

		//pre($cases);

		$this->setTemplatesLoaded();

		// durch $delima und $delimb einstellbar

		// Standard Template Marker: { }

		$this->uncompiled = preg_replace("/($delima)(.*)($delimb)/U","$\\2", $this->parsed);

		// Standard String verarbeitung

		$this->compiled = addslashes($this->uncompiled);

		$this->compiled = "echo \"".trim($this->compiled)."\"";

		// entfernt ### durch '

		// ist fr die Ausgabe von Arrays zust�dig

		$this->compiled = str_replace("###","'",$this->compiled);

		// Dieser Teil ist fr die Ausgabe von Arrays.

		// Syntax: %%.{arrayName}[0][key_x].%%

		$this->compiled = str_replace("%%.","\".",$this->compiled);

		$this->compiled = str_replace(".%%",".\"",$this->compiled);

		$this->_cache[] = $this->compiled;

		ob_start();

		{

			eval($this->compiled.";");

				$ret_eval           = ob_get_contents();

				$this->_evalcache[] = $ret_eval;

			ob_end_clean();

		}

		$this->_loadtimes['end'][$this->i] 	= microtime_float();

		$this->i++;

		$GLOBALS['loadtime'] 				= $this->getLoadTimes();

		if ($return) {

			return $ret_eval;

		} else {

			print ($ret_eval);

		}

	}

	// }}}

	// {{{ parseFromCache()

	function parseFromCache($part, $args)

	{

		// Extract

		extract ($args, EXTR_OVERWRITE);

		return  eval($this->_cache[$part].";");

	}

	// }}}

	// {{{ getLoadTimes()

	function getLoadTimes()

	{

		$returnTime = null;

		if (count($this->_loadtimes['start']) == 0) {

			return false;

		} else {

			foreach(array_keys($this->_loadtimes['start']) AS $elem) {

				$returnTime += $this->_loadtimes['end'][$elem] - $this->_loadtimes['start'][$elem];

			}

		}

		$GLOBALS['loadtime'] = round($returnTime*100,4);

		return round($returnTime*100,4);

	}

	// }}}

	// {{{ setTemplatesLoaded()

	function setTemplatesLoaded()

	{

		$GLOBALS['loaded'] = count($this->loaded);

	}

	// }}}

	// {{{ pre()

	function pre($array)

	{

		print("<pre>");

		print_r($array);

		print("</pre>");

	}

	// }}}

}

// }}}

?>