PPS.php

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<?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: PPS.php 4249 2004-06-16 14:14:02Z hschottm $


require_once('PEAR.php');
require_once('classes/OLE/OLE.php');

class OLE_PPS extends PEAR
{
    var $No;

    var $Name;
 
    var $Type;
 
    var $PrevPps;
 
    var $NextPps;
 
    var $DirPps;
 
    var $Time1st;

    var $Time2nd;

    var $_StartBlock;

    var $Size;

    var $_data;

    var $children = array();

    function OLE_PPS($No, $name, $type, $prev, $next, $dir, $time_1st, $time_2nd, $data, $children)
    {
        $this->No      = $No;
        $this->Name    = $name;
        $this->Type    = $type;
        $this->PrevPps = $prev;
        $this->NextPps = $next;
        $this->DirPps  = $dir;
        $this->Time1st = $time_1st;
        $this->Time2nd = $time_2nd;
        $this->_data      = $data;
        $this->children   = $children;
        if ($data != '') {
            $this->Size = strlen($data);
        }
        else {
            $this->Size = 0;
        }
    }

    function _DataLen()
    {
        if (!isset($this->_data)) {
            return 0;
        }
        if (isset($this->_PPS_FILE))
        {
            fseek($this->_PPS_FILE, 0);
            $stats = fstat($this->_PPS_FILE);
            return $stats[7];
        }
        else {
            return strlen($this->_data);
        }
    }

    function _getPpsWk()
    {
        $ret = $this->Name;
        for ($i = 0; $i < (64 - strlen($this->Name)); $i++) {
            $ret .= "\x00";
        }
        $ret .= pack("v", strlen($this->Name) + 2)  // 66
              . pack("c", $this->Type)              // 67
              . pack("c", 0x00) //UK                // 68
              . pack("V", $this->PrevPps) //Prev    // 72
              . pack("V", $this->NextPps) //Next    // 76
              . pack("V", $this->DirPps)  //Dir     // 80
              . "\x00\x09\x02\x00"                  // 84
              . "\x00\x00\x00\x00"                  // 88
              . "\xc0\x00\x00\x00"                  // 92
              . "\x00\x00\x00\x46"                  // 96 // Seems to be ok only for Root
              . "\x00\x00\x00\x00"                  // 100
              . OLE::LocalDate2OLE($this->Time1st)       // 108
              . OLE::LocalDate2OLE($this->Time2nd)       // 116
              . pack("V", isset($this->_StartBlock)? 
                        $this->_StartBlock:0)        // 120
              . pack("V", $this->Size)               // 124
              . pack("V", 0);                        // 128
        return $ret;
    }

    function _savePpsSetPnt(&$pps_array) 
    {
        $pps_array[count($pps_array)] = &$this;
        $this->No = count($pps_array) - 1;
        $this->PrevPps = 0xFFFFFFFF;
        $this->NextPps = 0xFFFFFFFF;
        if (count($this->children) > 0) {
            $this->DirPps = $this->children[0]->_savePpsSetPnt($pps_array);
        }
        else {
            $this->DirPps = 0xFFFFFFFF;
        }
        return $this->No;
    }
}
?>