TarArchive.class.php

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00001 <?php
00002 /***************************************************************************
00003  *   Copyright (C) 2007 by Ivan Y. Khvostishkov                            *
00004  *                                                                         *
00005  *   This program is free software; you can redistribute it and/or modify  *
00006  *   it under the terms of the GNU Lesser General Public License as        *
00007  *   published by the Free Software Foundation; either version 3 of the    *
00008  *   License, or (at your option) any later version.                       *
00009  *                                                                         *
00010  ***************************************************************************/
00011 /* $Id: TarArchive.class.php 4687 2007-12-09 18:57:18Z voxus $ */
00012 
00018     final class TarArchive extends FileArchive
00019     {
00020         public function __construct($cmdBinPath = '/bin/tar')
00021         {
00022             if ($cmdBinPath === null)
00023                 throw
00024                     new UnimplementedFeatureException(
00025                         'no built-in support for GNU Tar'
00026                     );
00027 
00028             parent::__construct($cmdBinPath);
00029         }
00030 
00031         public function readFile($fileName)
00032         {
00033             if (!$this->sourceFile)
00034                 throw
00035                     new WrongStateException(
00036                         'dude, open an archive first.'
00037                     );
00038             
00039             $options = '--extract --to-stdout'
00040                 .' --file '.escapeshellarg($this->sourceFile)
00041                 .' '.escapeshellarg($fileName);
00042 
00043             return $this->execStdoutOptions($options);
00044         }
00045     }
00046 ?>

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