File Source for OLE

<?php
/* vim: set expandtab tabstop=4 shiftwidth=4: */
// +----------------------------------------------------------------------+
// | PHP Version 4 |
// +----------------------------------------------------------------------+
// | Copyright (c) 1997-2002 The PHP Group |
// +----------------------------------------------------------------------+
// | This source file is subject to version 2.02 of the PHP license, |
// | that is bundled with this package in the file LICENSE, and is |
// | available at through the world-wide-web at |
// | http://www.php.net/license/2_02.txt. |
// | If you did not receive a copy of the PHP license and are unable to |
// | obtain it through the world-wide-web, please send a note to |
// | license@php.net so we can mail you a copy immediately. |
// +----------------------------------------------------------------------+
// | Author: Xavier Noguer <xnoguer@php.net> |
// | Based on OLE::Storage_Lite by Kawai, Takanori |
// +----------------------------------------------------------------------+
//
// $Id: File.php,v 1.11 2007/02/13 21:00:42 schmidt Exp $
require_once 'PHPExcel/Shared/OLE/OLE_PPS.php';
/**
* Class for creating File PPS's for OLE containers
*
* @author Xavier Noguer <xnoguer@php.net>
* @category PHPExcel
* @package PHPExcel_Shared_OLE
*/
class PHPExcel_Shared_OLE_PPS_File extends PHPExcel_Shared_OLE_PPS
{
/**
* The temporary dir for storing the OLE file
* @var string
*/
public $_tmp_dir;
/**
* The constructor
*
* @access public
* @param string $name The name of the file (in Unicode)
* @see OLE::Asc2Ucs()
*/
public function __construct($name)
{
$this->_tmp_dir = '';
parent::__construct(
null,
$name,
PHPExcel_Shared_OLE::OLE_PPS_TYPE_FILE,
null,
null,
null,
null,
null,
'',
array());
}
/**
* Sets the temp dir used for storing the OLE file
*
* @access public
* @param string $dir The dir to be used as temp dir
* @return true if given dir is valid, false otherwise
*/
public function setTempDir($dir)
{
if (is_dir($dir)) {
$this->_tmp_dir = $dir;
return true;
}
return false;
}
/**
* Initialization method. Has to be called right after OLE_PPS_File().
*
* @access public
* @return mixed true on success
*/
public function init()
{
$this->_tmp_filename = tempnam($this->_tmp_dir, "OLE_PPS_File");
$fh = fopen($this->_tmp_filename, "w+b");
if ($fh === false) {
throw new Exception("Can't create temporary file");
}
$this->_PPS_FILE = $fh;
if ($this->_PPS_FILE) {
fseek($this->_PPS_FILE, 0);
}
return true;
}
/**
* Append data to PPS
*
* @access public
* @param string $data The data to append
*/
public function append($data)
{
if ($this->_PPS_FILE) {
fwrite($this->_PPS_FILE, $data);
} else {
$this->_data .= $data;
}
}
/**
* Returns a stream for reading this file using fread() etc.
* @return resource a read-only stream
*/
public function getStream()
{
$this->ole->getStream($this);
}
}

Source for file OLE_File.php