# 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
    00019     final class TarArchive extends FileArchive
    00020     {
    00021         public function __construct($cmdBinPath = '/bin/tar')
    00022         {
    00023             if ($cmdBinPath === null)
    00024                 throw
    00025                     new UnimplementedFeatureException(
    00026                         'no built-in support for GNU Tar'
    00027                     );
    00028
    00029             parent::__construct($cmdBinPath);
    00030         }
    00031
    00032         public function readFile($fileName)
    00033         {
    00034             if (!$this->sourceFile)
    00035                 throw
    00036                     new WrongStateException(
    00037                         'dude, open an archive first.'
    00038                     );
    00039
    00040             $options = '--extract --to-stdout'
    00041                 .' --file '.escapeshellarg($this->sourceFile)
    00042                 .' '.escapeshellarg($fileName);
    00043
    00044             return $this->execStdoutOptions($options);
    00045         }
    00046     }
    00047 ?>