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   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: File.php,v 1.8 2003/12/12 21:10:10 xnoguer Exp $
  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  ?>