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<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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/**
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* A reader that appears exactly as another does
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*
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* PHP versions 4 and 5
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330,Boston,MA 02111-1307 USA
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*
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* @category File Formats
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* @package File_Archive
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* @author Vincent Lascaux <vincentlascaux@php.net>
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* @copyright 1997-2005 The PHP Group
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* @license http://www.gnu.org/copyleft/lesser.html LGPL
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* @version CVS: $Id: Relay.php,v 1.19 2005/07/09 12:54:35 vincentlascaux Exp $
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* @link http://pear.php.net/package/File_Archive
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*/
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require_once "File/Archive/Reader.php";
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/**
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* This reader appear exactly as $source does
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* This is usefull if you want to dynamically change $source or change
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* its behaviour
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*/
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class File_Archive_Reader_Relay extends File_Archive_Reader
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{
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/**
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* @var File_Archive_Reader This reader will have the same comportment as
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* $source
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* @access protected
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*/
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var $source;
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function File_Archive_Reader_Relay(&$source)
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{
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$this->source =& $source;
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}
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/**
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* @see File_Archive_Reader::next()
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*/
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function next() { return $this->source->next(); }
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/**
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* @see File_Archive_Reader::getFilename()
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*/
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function getFilename() { return $this->source->getFilename(); }
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/**
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* @see File_Archive_Reader::getStat()
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*/
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function getStat() { return $this->source->getStat(); }
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/**
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* @see File_Archive_Reader::getMime()
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*/
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function getMime() { return $this->source->getMime(); }
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/**
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* @see File_Archive_Reader::getDataFilename()
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*/
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function getDataFilename() { return $this->source->getDataFilename(); }
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/**
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* @see File_Archive_Reader::getData()
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*/
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function getData($length = -1) { return $this->source->getData($length); }
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/**
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* @see File_Archive_Reader::skip()
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*/
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function skip($length = -1) { return $this->source->skip($length); }
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/**
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* @see File_Archive_Reader::rewind()
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*/
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function rewind($length = -1) { return $this->source->rewind($length); }
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/**
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* @see File_Archive_Reader::tell()
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*/
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function tell() { return $this->source->tell(); }
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/**
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* @see File_Archive_Reader::close()
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*/
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function close()
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{
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if ($this->source !== null) {
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return $this->source->close();
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}
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}
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/**
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* @see File_Archive_Reader::makeAppendWriter()
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*/
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function makeAppendWriter()
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{
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$writer = $this->source->makeAppendWriter();
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if (!PEAR::isError($writer)) {
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$this->close();
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}
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return $writer;
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}
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/**
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* @see File_Archive_Reader::makeWriterRemoveFiles()
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*/
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function makeWriterRemoveFiles($pred)
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{
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$writer = $this->source->makeWriterRemoveFiles($pred);
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if (!PEAR::isError($writer)) {
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$this->close();
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}
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return $writer;
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}
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/**
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* @see File_Archive_Reader::makeWriterRemoveBlocks()
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*/
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function makeWriterRemoveBlocks($blocks, $seek = 0)
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{
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$writer = $this->source->makeWriterRemoveBlocks($blocks, $seek);
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if (!PEAR::isError($writer)) {
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$this->close();
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}
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return $writer;
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}
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}
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?>
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