lib/pear/OLE/PPS/File.php

   1 <?php
   2 /* vim: set expandtab tabstop=4 shiftwidth=4: */
   3 // +----------------------------------------------------------------------+
   4 // | PHP Version 4                                                        |
   5 // +----------------------------------------------------------------------+
   6 // | Copyright (c) 1997-2002 The PHP Group                                |
   7 // +----------------------------------------------------------------------+
   8 // | This source file is subject to version 2.02 of the PHP license,      |
   9 // | that is bundled with this package in the file LICENSE, and is        |
  10 // | available at through the world-wide-web at                           |
  11 // | http://www.php.net/license/2_02.txt.                                 |
  12 // | If you did not receive a copy of the PHP license and are unable to   |
  13 // | obtain it through the world-wide-web, please send a note to          |
  14 // | license@php.net so we can mail you a copy immediately.               |
  15 // +----------------------------------------------------------------------+
  16 // | Author: Xavier Noguer <xnoguer@php.net>                              |
  17 // | Based on OLE::Storage_Lite by Kawai, Takanori                        |
  18 // +----------------------------------------------------------------------+
  19 //
  20 // $Id$
  21
  22
  23 require_once ('OLE/PPS.php');
  24
  25 /**
  26 * Class for creating File PPS's for OLE containers
  27 *
  28 * @author   Xavier Noguer <xnoguer@php.net>
  29 * @category Structures
  30 * @package  OLE
  31 */
  32 class OLE_PPS_File extends OLE_PPS
  33 {
  34     /**
  35     * The temporary dir for storing the OLE file
  36     * @var string
  37     */
  38     var $_tmp_dir;
  39
  40     /**
  41     * The constructor
  42     *
  43     * @access public
  44     * @param string $name The name of the file (in Unicode)
  45     * @see OLE::Asc2Ucs()
  46     */
  47     function OLE_PPS_File($name)
  48     {
  49         $this->_tmp_dir = '';
  50         $this->OLE_PPS(
  51             null,
  52             $name,
  53             OLE_PPS_TYPE_FILE,
  54             null,
  55             null,
  56             null,
  57             null,
  58             null,
  59             '',
  60             array());
  61     }
  62
  63     /**
  64     * Sets the temp dir used for storing the OLE file
  65     *
  66     * @access public
  67     * @param string $dir The dir to be used as temp dir
  68     * @return true if given dir is valid, false otherwise
  69     */
  70     function setTempDir($dir)
  71     {
  72         if (is_dir($dir)) {
  73             $this->_tmp_dir = $dir;
  74             return true;
  75         }
  76         return false;
  77     }
  78
  79     /**
  80     * Initialization method. Has to be called right after OLE_PPS_File().
  81     *
  82     * @access public
  83     * @return mixed true on success. PEAR_Error on failure
  84     */
  85     function init()
  86     {
  87         $this->_tmp_filename = tempnam($this->_tmp_dir, "OLE_PPS_File");
  88         $fh = @fopen($this->_tmp_filename, "w+b");
  89         if ($fh == false) {
  90             return $this->raiseError("Can't create temporary file");
  91         }
  92         $this->_PPS_FILE = $fh;
  93         if ($this->_PPS_FILE) {
  94             fseek($this->_PPS_FILE, 0);
  95         }
  96     }
  97
  98     /**
  99     * Append data to PPS
 100     *
 101     * @access public
 102     * @param string $data The data to append
 103     */
 104     function append($data)
 105     {
 106         if ($this->_PPS_FILE) {
 107             fwrite($this->_PPS_FILE, $data);
 108         }
 109         else {
 110             $this->_data .= $data;
 111         }
 112     }
 113 }
 114 ?>