/code/addons/libs/Io/Dir.class.php

<?php 

// +----------------------------------------------------------------------

// | ThinkPHP                                                             

// +----------------------------------------------------------------------

// | Copyright (c) 2008 http://thinkphp.cn All rights reserved.      

// +----------------------------------------------------------------------

// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )

// +----------------------------------------------------------------------

// | Author: liu21st <liu21st@gmail.com>                                  

// +----------------------------------------------------------------------

// $Id$



/**

 +------------------------------------------------------------------------------

 * DirectoryIterator??? PHP5?????DirectoryIterator?

 +------------------------------------------------------------------------------

 * @category   ORG

 * @package  ORG

 * @subpackage  Io

 * @author    liu21st <liu21st@gmail.com>

 * @version   $Id$

 +------------------------------------------------------------------------------

 */

class Dir implements IteratorAggregate

{//?????



	private $_values = array();

	/**

	 +----------------------------------------------------------

	 * ????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @param string $path  ????

	 +----------------------------------------------------------

	 */

	function __construct($path,$pattern='*')

	{

		if(substr($path, -1) != "/")    $path .= "/";

		$this->listFile($path,$pattern);

	}



	/**

	 +----------------------------------------------------------

	 * ???????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @param mixed $pathname ??

	 +----------------------------------------------------------

	 */

	function listFile($pathname,$pattern='*') 

	{

		static $_listDirs = array();

		$guid	=	md5($pathname.$pattern);

		if(!isset($_listDirs[$guid])){

			$dir = array();

			$list	=	glob($pathname.$pattern);

			foreach ($list as $i=>$file){

					$dir[$i]['filename']    = basename($file);

					$dir[$i]['pathname']    = realpath($file);

					$dir[$i]['owner']        = fileowner($file);

					$dir[$i]['perms']        = fileperms($file);

					$dir[$i]['inode']        = fileinode($file);

					$dir[$i]['group']        = filegroup($file);

					$dir[$i]['path']        = dirname($file);

					$dir[$i]['atime']        = fileatime($file);

					$dir[$i]['ctime']        = filectime($file);

					$dir[$i]['size']        = filesize($file);

					$dir[$i]['type']        = filetype($file);

					$dir[$i]['ext']      =  is_file($file)?strtolower(substr(strrchr(basename($file), '.'),1)):'';

					$dir[$i]['mtime']        = filemtime($file);

					$dir[$i]['isDir']        = is_dir($file);

					$dir[$i]['isFile']        = is_file($file);

					$dir[$i]['isLink']        = is_link($file);

					//$dir[$i]['isExecutable']= function_exists('is_executable')?is_executable($file):'';

					$dir[$i]['isReadable']    = is_readable($file);

					$dir[$i]['isWritable']    = is_writable($file);

			}

			$cmp_func = create_function('$a,$b','

			$k  =  "isDir";  

			if($a[$k]  ==  $b[$k])  return  0;  

			return  $a[$k]>$b[$k]?-1:1;

			');

			// ????? ???????

			usort($dir,$cmp_func);  

			$this->_values = $dir;

			$_listDirs[$guid] = $dir;

		}else{

			$this->_values = $_listDirs[$guid];

		}

	}



	/**

	 +----------------------------------------------------------

	 * ????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return integer

	 +----------------------------------------------------------

	 */

	function getATime()

	{

		$current = $this->current($this->_values);

		return $current['atime'];

	}



	/**

	 +----------------------------------------------------------

	 * ????? inode ????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return integer

	 +----------------------------------------------------------

	 */

	function getCTime()

	{

		$current = $this->current($this->_values);

		return $current['ctime'];

	}



	/**

	 +----------------------------------------------------------

	 * ?????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return DirectoryIterator

	 +----------------------------------------------------------

	 */

	function getChildren()

	{

		$current = $this->current($this->_values);

		if($current['isDir']){

			return new Dir($current['pathname']);

		}

		return false;

	}



	/**

	 +----------------------------------------------------------

	 * ?????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return string

	 +----------------------------------------------------------

	 */

	function getFilename()

	{

		$current = $this->current($this->_values);

		return $current['filename'];

	}



	/**

	 +----------------------------------------------------------

	 * ??????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return integer

	 +----------------------------------------------------------

	 */

	function getGroup()

	{

		$current = $this->current($this->_values);

		return $current['group'];

	}



	/**

	 +----------------------------------------------------------

	 * ????? inode

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return integer

	 +----------------------------------------------------------

	 */

	function getInode()

	{

		$current = $this->current($this->_values);

		return $current['inode'];

	}



	/**

	 +----------------------------------------------------------

	 * ???????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return integer

	 +----------------------------------------------------------

	 */

	function getMTime()

	{

		$current = $this->current($this->_values);

		return $current['mtime'];

	}

	

	/**

	 +----------------------------------------------------------

	 * ????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return string

	 +----------------------------------------------------------

	 */

	function getOwner()

	{

		$current = $this->current($this->_values);

		return $current['owner'];

	}



	/**

	 +----------------------------------------------------------

	 * ?????????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return string

	 +----------------------------------------------------------

	 */

	function getPath()

	{

		$current = $this->current($this->_values);

		return $current['path'];

	}



	/**

	 +----------------------------------------------------------

	 * ???????????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return string

	 +----------------------------------------------------------

	 */

	function getPathname()

	{

		$current = $this->current($this->_values);

		return $current['pathname'];

	}



	/**

	 +----------------------------------------------------------

	 * ???????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return integer

	 +----------------------------------------------------------

	 */

	function getPerms()

	{

		$current = $this->current($this->_values);

		return $current['perms'];

	}



	/**

	 +----------------------------------------------------------

	 * ???????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return integer

	 +----------------------------------------------------------

	 */

	function getSize()

	{

		$current = $this->current($this->_values);

		return $current['size'];

	}



	/**

	 +----------------------------------------------------------

	 * ??????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return string

	 +----------------------------------------------------------

	 */

	function getType()

	{

		$current = $this->current($this->_values);

		return $current['type'];

	}



	/**

	 +----------------------------------------------------------

	 * ?????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return boolen

	 +----------------------------------------------------------

	 */

	function isDir()

	{

		$current = $this->current($this->_values);

		return $current['isDir'];

	}



	/**

	 +----------------------------------------------------------

	 * ?????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return boolen

	 +----------------------------------------------------------

	 */

	function isFile()

	{

		$current = $this->current($this->_values);

		return $current['isFile'];

	}



	/**

	 +----------------------------------------------------------

	 * ???????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return boolen

	 +----------------------------------------------------------

	 */

	function isLink()

	{

		$current = $this->current($this->_values);

		return $current['isLink'];

	}





	/**

	 +----------------------------------------------------------

	 * ????????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return boolen

	 +----------------------------------------------------------

	 */

	function isExecutable()

	{

		$current = $this->current($this->_values);

		return $current['isExecutable'];

	}





	/**

	 +----------------------------------------------------------

	 * ??????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return boolen

	 +----------------------------------------------------------

	 */

	function isReadable()

	{

		$current = $this->current($this->_values);

		return $current['isReadable'];

	}



	/**

	 +----------------------------------------------------------

	 * ??foreach?????

	 +----------------------------------------------------------

	 * @access public 

	 +----------------------------------------------------------

	 * @return string

	 +----------------------------------------------------------

	 */

	function getIterator()

	{

		 return new ArrayObject($this->_values);

	}



	// ?????????

	function toArray() {

		return $this->_values;

	}



	// ????



	/**

	 +----------------------------------------------------------

	 * ????????

	 +----------------------------------------------------------

	 * @access static 

	 +----------------------------------------------------------

	 * @return void

	 +----------------------------------------------------------

	 */

	function isEmpty($directory)

	{

		$handle = opendir($directory);

		while (($file = readdir($handle)) !== false)

		{

			if ($file != "." && $file != "..")

			{

				closedir($handle);

				return false;

			}

		}

		closedir($handle);

		return true;

	}



	/**

	 +----------------------------------------------------------

	 * ??????????

	 +----------------------------------------------------------

	 * @access static 

	 +----------------------------------------------------------

	 * @return void

	 +----------------------------------------------------------

	 */

	function getList($directory)

	{

		return scandir($directory);

	}



	/**

	 +----------------------------------------------------------

	 * ?????????????

	 +----------------------------------------------------------

	 * @access static 

	 +----------------------------------------------------------

	 * @return void

	 +----------------------------------------------------------

	 */

	function delDir($directory,$subdir=true)

	{

		if (is_dir($directory) == false)

		{

			exit("The Directory Is Not Exist!");

		}

		$handle = opendir($directory);

		while (($file = readdir($handle)) !== false)

		{

			if ($file != "." && $file != "..")

			{

			is_dir("$directory/$file")? 

				Dir::delDir("$directory/$file"):

				unlink("$directory/$file");

			}

		}

		if (readdir($handle) == false)

		{

			closedir($handle);

			rmdir($directory);

		}

	}



	/**

	 +----------------------------------------------------------

	 * ??????????????????

	 +----------------------------------------------------------

	 * @access static 

	 +----------------------------------------------------------

	 * @return void

	 +----------------------------------------------------------

	 */

	function del($directory)

	{

		if (is_dir($directory) == false)

		{

			exit("The Directory Is Not Exist!");

		}

		$handle = opendir($directory);

		while (($file = readdir($handle)) !== false)

		{

			if ($file != "." && $file != ".." && is_file("$directory/$file"))

			{

				unlink("$directory/$file");

			}

		}

		closedir($handle);

	}



	/**

	 +----------------------------------------------------------

	 * ????

	 +----------------------------------------------------------

	 * @access static 

	 +----------------------------------------------------------

	 * @return void

	 +----------------------------------------------------------

	 */

	function copyDir($source, $destination)

	{

		if (is_dir($source) == false)

		{

			exit("The Source Directory Is Not Exist!");

		}

		if (is_dir($destination) == false)

		{

			mkdir($destination, 0700);

		}

		$handle=opendir($source);

		while (false !== ($file = readdir($handle)))

		{

			if ($file != "." && $file != "..")

			{

				is_dir("$source/$file")?

				Dir::copyDir("$source/$file", "$destination/$file"):

				copy("$source/$file", "$destination/$file");

			}

		}

		closedir($handle);

	}



}//?????



if(!class_exists('DirectoryIterator')) {

	class DirectoryIterator extends Dir {}

}

?>