Relay.php
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<?php
/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
/**
* A reader that appears exactly as another does
*
* 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: Relay.php,v 1.19 2005/07/09 12:54:35 vincentlascaux Exp $
* @link http://pear.php.net/package/File_Archive
*/
require_once "File/Archive/Reader.php";
/**
* This reader appear exactly as $source does
* This is usefull if you want to dynamically change $source or change
* its behaviour
*/
class File_Archive_Reader_Relay extends File_Archive_Reader
{
/**
* @var File_Archive_Reader This reader will have the same comportment as
* $source
* @access protected
*/
var $source;
function File_Archive_Reader_Relay(&$source)
{
$this->source =& $source;
}
/**
* @see File_Archive_Reader::next()
*/
function next() { return $this->source->next(); }
/**
* @see File_Archive_Reader::getFilename()
*/
function getFilename() { return $this->source->getFilename(); }
/**
* @see File_Archive_Reader::getStat()
*/
function getStat() { return $this->source->getStat(); }
/**
* @see File_Archive_Reader::getMime()
*/
function getMime() { return $this->source->getMime(); }
/**
* @see File_Archive_Reader::getDataFilename()
*/
function getDataFilename() { return $this->source->getDataFilename(); }
/**
* @see File_Archive_Reader::getData()
*/
function getData($length = -1) { return $this->source->getData($length); }
/**
* @see File_Archive_Reader::skip()
*/
function skip($length = -1) { return $this->source->skip($length); }
/**
* @see File_Archive_Reader::rewind()
*/
function rewind($length = -1) { return $this->source->rewind($length); }
/**
* @see File_Archive_Reader::tell()
*/
function tell() { return $this->source->tell(); }
/**
* @see File_Archive_Reader::close()
*/
function close()
{
if ($this->source !== null) {
return $this->source->close();
}
}
/**
* @see File_Archive_Reader::makeAppendWriter()
*/
function makeAppendWriter()
{
$writer = $this->source->makeAppendWriter();
if (!PEAR::isError($writer)) {
$this->close();
}
return $writer;
}
/**
* @see File_Archive_Reader::makeWriterRemoveFiles()
*/
function makeWriterRemoveFiles($pred)
{
$writer = $this->source->makeWriterRemoveFiles($pred);
if (!PEAR::isError($writer)) {
$this->close();
}
return $writer;
}
/**
* @see File_Archive_Reader::makeWriterRemoveBlocks()
*/
function makeWriterRemoveBlocks($blocks, $seek = 0)
{
$writer = $this->source->makeWriterRemoveBlocks($blocks, $seek);
if (!PEAR::isError($writer)) {
$this->close();
}
return $writer;
}
}
?>