Subversion-Projekte lars-tiefland.php_share

<?php

/* $Id: Functions.class.php 10 2007-05-02 12:47:02Z tiefland $ */

/**

 * Functions handling class, for modules.

 *

 * This class handles the loading of any function needed by

 * a module e.g. Shop or any else. You easy could instance

 * this in the main Class of the module.

 * @see Shop()

 *

 * 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   CMS

 * @package    Functions

 * @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

 */

// {{{ constants

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

	 // IF any put in here!

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

// }}}

// {{{ GLOBALS

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

	 // IF any put in here!

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

// }}}

// {{{ Functions

/**

 * Funktions Verwaltungs Modul

 *

 * This class handles the loading of any function needed by

 * a module e.g. Shop or any else. You easy could instance

 * this in the main Class of the module.

 * @see Shop()

 *

 * Diese Klasse behandelt das laden von Funktionen, die mit hilfe

 * von listFiles aufgelistet werden, oder durch �bergabe von

 * parametern, geladen werden k�nnen.

 *

 * @category   CMS

 * @package    Weban_Shop

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

 * @author     Lars Tiefland 	<tiefland@weban.de>

 * @copyright  1997-2007 Webagentur Niewerth

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

 * @link       http://server2/intranet/3_0.txt

 * @see        Functions

 * @since      Class available since Release 1.1

 */

class Functions  {

	// {{{ properties

	/**

	 * Holds all file/function names.

	 *

	 * @var array

     */

	var $functions;

	/**

	 * The Shops ID number.

	 *

	 * Its a very important ID, cause the

	 * ID is saved in any userdefined data-

	 * base entry like articles a.s.o.

	 *

	 * @var int

     */

	var $shopsId;

	/**

	 * The Shop language.

	 *

	 * The Base language is DE. Note that this

	 * value could be mixed! But stadard is DE

	 *

	 * @var 	array

     */

	var $language;

	/**

	 * Wich function is really defined after loading?

	 *

	 * Sometimes its possible that there are

	 * more then one function defined in a file.

	 * So we have to check wich functions are

	 * temporary loaded while executed the factory.

	 *

	 * @var array

     */

	var $defined;

	/**

	 * Extensions to load.

	 *

	 * This parameter is needed in the file loader/includer.

	 *

	 * @var string

	 * @access private

     */

	var $_ext;

	/**

	 * Server OS for call_user_method.

	 *

	 * @var string

	 * @access private

     */

	var $_os;

	/**

	 * Helper array for defined and loaded functions.

	 *

	 * @var array

	 * @access private

     */

	var $_defined;

	/**

	 * Load indexer.

	 *

	 * Need in the context of navigating through the

	 * functions array. Helps to get the primary and

	 * last array key of the _defined array

	 * {@see $_defined}

	 *

	 * @param 	int

	 * @access private

     */

	var $_indexer;

	// }}}

	// {{{ Functions()

	function Functions ($shopsId=1, $language = __BASELANGUAGE__)

	{

		// Init needed Parameters.

		$this->shopsId 		= $shopsId;

		$this->language 	= $language;

		$this->_os 			= substr(PHP_OS, 0, 3);

		$this->functions 	= array();

		$this->_ext			= "php";

		$this->_defined		= array();

		$this->defined		= array();

		$this->_indexer 	= 0;

	}

	// }}}

	// {{{ factory()

	function factory ($_option='load')

	{

		if( strlen($_option) < 3 ) {

			return false;

		} elseif($_option == 'load') {

			foreach

					(

						call_user_method

							(

								"listFiles" . $this->_os ,

								$this,

								$_SESSION['INI']['systemPath'],

								$this->_ext

							)

						as $file

					)

			{

				$this->_engine ($_option, $file);

			}

			// Den Funktions- Ueberpruefungsindex resetten

			$this->_defined = array();

			return true;

		} else {

			return false;

		}

	}

	// }}}

	// {{{ _engine()

	function _engine ($_type, $_file)

	{

		switch ($_type) {

			case 'load':

				$this->functions[] = $_file;

				return $this->_load ($_file);

				break;

			case 'remove':

				return false;

				break;

		}

		return true;

	}

	// }}}

	// {{{ _load()

	function _load ($_function)

	{

		$_fname = basename ($_function,".php");

		if (function_exists($_fname))

			return false;

		$this->_indexer = sizeof($this->_defined) + 1;

		$_last = $this->_indexer - 1;

		$_next = $this->_indexer + 1;

		$tmp = get_defined_functions();

		$this->_defined[$this->_indexer] = $tmp['user'];

		require_once($_function);

		// Den Funktionsindex auf dem Laufenden halten...

		// Alle Funktionen die �ber diese Factory geladen werden,

		// werden in einem Array gespeichert.

		// FixMe: Letze geladene Funktion kann so nicht erfasst werden.

		// Und sollte require_once vor get_defined_functions gesetzt werden,

		// wird die erste Funktion nicht erfasst. L�sung: Es m�ssen zwei Arrays

		// nebeneinander existieren die sich durcheinander abgleichen.

		if (is_array($this->_defined[$_last])) {

			foreach(array_keys($this->_defined[$this->_indexer]) AS $elem) {

				if ($this->_defined[$_last][$elem] != $this->_defined[$this->_indexer][$elem]) {

					$this->defined[] = $this->_defined[$this->_indexer][$elem];

				}

			}

		}

		return true;

	}

	// }}}

	// {{{ _remove()

	function _remove ()

	{

		return 0;

	}

	// }}}

	// {{{ _add()

	function _add ()

	{

		return 1;

	}

	// }}}

	// {{{ listFilesLin()

	// Linux behavior

	function listFilesLin ($_dir, $_ext="php")

	{

		$files=array();

		exec("find $_dir -type f -name '*.$_ext'", $files);

		return $files;

	}

	// }}}

	// {{{ listFilesWin()

	// Windows behavior

	function listFilesWin ($_dir, $_ext=".php")

	{

		$files=array();

		$dir = dir($_dir);

		while (false !== ($fEntry = $dir->read())) {

		   if(ereg($_ext,$fEntry))

		   	$files[] = $_dir.$fEntry;

		}

		$dir->close();

		return $files;

	}

}

// }}}

/*

 * Local variables:

 * tab-width: 4

 * c-basic-offset: 4

 * c-hanging-comment-ender-p: nil

 * End:

 */

?>