Archive.php
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* Base class for all the archive readers (that read from a single file)
*
* PHP versions 4 and 5
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330,Boston,MA 02111-1307 USA
*
* @category File Formats
* @package File_Archive
* @author Vincent Lascaux <vincentlascaux@php.net>
* @copyright 1997-2005 The PHP Group
* @license http://www.gnu.org/copyleft/lesser.html LGPL
* @version CVS: $Id: Archive.php,v 1.12 2005/05/23 19:25:24 vincentlascaux Exp $
* @link http://pear.php.net/package/File_Archive
*/
require_once "File/Archive/Reader.php";
/**
* Base class for all the archive readers (that read from a single file)
*/
class File_Archive_Reader_Archive extends File_Archive_Reader
{
/**
* @var File_Archive_Reader Single file source that contains the archive
* to uncompress
* @access protected
*/
var $source = null;
/**
* @var bool Indicate whether the $source is currently opened
* @access private
*/
var $sourceOpened = false;
/**
* The source was let in this state at the end
*
* @var bool Indicate whether the $source was given opened
* @access private
*/
var $sourceInitiallyOpened;
//ABSTRACT
/**
* @see File_Archive_Reader::next()
*
* Open the source if necessary
*/
function next()
{
if (!$this->sourceOpened && ($error = $this->source->next()) !== true) {
return $error;
}
$this->sourceOpened = true;
return true;
}
//PUBLIC
function File_Archive_Reader_Archive(&$source, $sourceOpened = false)
{
$this->source =& $source;
$this->sourceOpened = $this->sourceInitiallyOpened = $sourceOpened;
}
/**
* Close the source if it was given closed in the constructor
*
* @see File_Archive_Reader::close()
*/
function close()
{
if (!$this->sourceInitiallyOpened && $this->sourceOpened) {
$this->sourceOpened = false;
if ($this->source !== null) {
return $this->source->close();
}
}
}
}
?>