520 Zeilen
17 KiB
PHP
520 Zeilen
17 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4: */
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2002 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 2.02 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/2_02.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Author: Xavier Noguer <xnoguer@php.net> |
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// | Based on OLE::Storage_Lite by Kawai, Takanori |
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// +----------------------------------------------------------------------+
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//
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// $Id$
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require_once ('OLE/PPS.php');
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/**
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* Class for creating Root PPS's for OLE containers
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*
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* @author Xavier Noguer <xnoguer@php.net>
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* @category Structures
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* @package OLE
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*/
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class OLE_PPS_Root extends OLE_PPS
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{
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/**
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* The temporary dir for storing the OLE file
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* @var string
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*/
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var $_tmp_dir;
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/**
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* Constructor
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*
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* @access public
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* @param integer $time_1st A timestamp
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* @param integer $time_2nd A timestamp
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*/
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function OLE_PPS_Root($time_1st, $time_2nd, $raChild)
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{
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$this->_tmp_dir = '';
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$this->OLE_PPS(
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null,
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OLE::Asc2Ucs('Root Entry'),
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OLE_PPS_TYPE_ROOT,
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null,
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null,
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null,
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$time_1st,
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$time_2nd,
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null,
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$raChild);
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}
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/**
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* Sets the temp dir used for storing the OLE file
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*
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* @access public
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* @param string $dir The dir to be used as temp dir
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* @return true if given dir is valid, false otherwise
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*/
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function setTempDir($dir)
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{
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if (is_dir($dir)) {
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$this->_tmp_dir = $dir;
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return true;
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}
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return false;
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}
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/**
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* Method for saving the whole OLE container (including files).
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* In fact, if called with an empty argument (or '-'), it saves to a
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* temporary file and then outputs it's contents to stdout.
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*
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* @param string $filename The name of the file where to save the OLE container
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* @access public
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* @return mixed true on success, PEAR_Error on failure
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*/
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function save($filename)
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{
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// Initial Setting for saving
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$this->_BIG_BLOCK_SIZE = pow(2,
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((isset($this->_BIG_BLOCK_SIZE))? $this->_adjust2($this->_BIG_BLOCK_SIZE) : 9));
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$this->_SMALL_BLOCK_SIZE= pow(2,
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((isset($this->_SMALL_BLOCK_SIZE))? $this->_adjust2($this->_SMALL_BLOCK_SIZE): 6));
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// Open temp file if we are sending output to stdout
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if (($filename == '-') or ($filename == ''))
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{
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$this->_tmp_filename = tempnam($this->_tmp_dir, "OLE_PPS_Root");
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$this->_FILEH_ = @fopen($this->_tmp_filename,"w+b");
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if ($this->_FILEH_ == false) {
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return $this->raiseError("Can't create temporary file.");
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}
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}
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else
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{
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$this->_FILEH_ = @fopen($filename, "wb");
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if ($this->_FILEH_ == false) {
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return $this->raiseError("Can't open $filename. It may be in use or protected.");
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}
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}
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// Make an array of PPS's (for Save)
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$aList = array();
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$this->_savePpsSetPnt($aList);
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// calculate values for header
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list($iSBDcnt, $iBBcnt, $iPPScnt) = $this->_calcSize($aList); //, $rhInfo);
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// Save Header
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$this->_saveHeader($iSBDcnt, $iBBcnt, $iPPScnt);
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// Make Small Data string (write SBD)
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$this->_data = $this->_makeSmallData($aList);
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// Write BB
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$this->_saveBigData($iSBDcnt, $aList);
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// Write PPS
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$this->_savePps($aList);
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// Write Big Block Depot and BDList and Adding Header informations
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$this->_saveBbd($iSBDcnt, $iBBcnt, $iPPScnt);
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// Close File, send it to stdout if necessary
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if(($filename == '-') or ($filename == ''))
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{
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fseek($this->_FILEH_, 0);
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fpassthru($this->_FILEH_);
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@fclose($this->_FILEH_);
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// Delete the temporary file.
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@unlink($this->_tmp_filename);
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}
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else {
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@fclose($this->_FILEH_);
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}
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return true;
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}
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/**
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* Calculate some numbers
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*
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* @access private
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* @param array $raList Reference to an array of PPS's
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* @return array The array of numbers
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*/
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function _calcSize(&$raList)
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{
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// Calculate Basic Setting
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list($iSBDcnt, $iBBcnt, $iPPScnt) = array(0,0,0);
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$iSmallLen = 0;
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$iSBcnt = 0;
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for ($i = 0; $i < count($raList); $i++) {
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if($raList[$i]->Type == OLE_PPS_TYPE_FILE) {
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$raList[$i]->Size = $raList[$i]->_DataLen();
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if($raList[$i]->Size < OLE_DATA_SIZE_SMALL) {
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$iSBcnt += floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
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+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
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}
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else {
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$iBBcnt += (floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
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(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
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}
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}
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}
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$iSmallLen = $iSBcnt * $this->_SMALL_BLOCK_SIZE;
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$iSlCnt = floor($this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE);
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$iSBDcnt = floor($iSBcnt / $iSlCnt) + (($iSBcnt % $iSlCnt)? 1:0);
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$iBBcnt += (floor($iSmallLen / $this->_BIG_BLOCK_SIZE) +
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(( $iSmallLen % $this->_BIG_BLOCK_SIZE)? 1: 0));
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$iCnt = count($raList);
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$iBdCnt = $this->_BIG_BLOCK_SIZE / OLE_PPS_SIZE;
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$iPPScnt = (floor($iCnt/$iBdCnt) + (($iCnt % $iBdCnt)? 1: 0));
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return array($iSBDcnt, $iBBcnt, $iPPScnt);
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}
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/**
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* Helper function for caculating a magic value for block sizes
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*
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* @access private
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* @param integer $i2 The argument
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* @see save()
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* @return integer
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*/
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function _adjust2($i2)
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{
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$iWk = log($i2)/log(2);
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return ($iWk > floor($iWk))? floor($iWk)+1:$iWk;
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}
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/**
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* Save OLE header
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*
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* @access private
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* @param integer $iSBDcnt
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* @param integer $iBBcnt
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* @param integer $iPPScnt
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*/
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function _saveHeader($iSBDcnt, $iBBcnt, $iPPScnt)
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{
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$FILE = $this->_FILEH_;
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// Calculate Basic Setting
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$iBlCnt = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE;
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$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / OLE_LONG_INT_SIZE;
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$iBdExL = 0;
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$iAll = $iBBcnt + $iPPScnt + $iSBDcnt;
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$iAllW = $iAll;
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$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
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$iBdCnt = floor(($iAll + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
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// Calculate BD count
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if ($iBdCnt >$i1stBdL)
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{
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while (1)
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{
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$iBdExL++;
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$iAllW++;
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$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
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$iBdCnt = floor(($iAllW + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
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if ($iBdCnt <= ($iBdExL*$iBlCnt+ $i1stBdL)) {
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break;
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}
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}
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}
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// Save Header
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fwrite($FILE,
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"\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1"
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. pack("v", 0x3b)
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. pack("v", 0x03)
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. pack("v", -2)
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. pack("v", 9)
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. pack("v", 6)
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. pack("v", 0)
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. "\x00\x00\x00\x00"
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. "\x00\x00\x00\x00"
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. pack("V", $iBdCnt)
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. pack("V", $iBBcnt+$iSBDcnt) //ROOT START
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. pack("V", 0)
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. pack("V", 0x1000)
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. pack("V", 0) //Small Block Depot
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. pack("V", 1)
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);
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// Extra BDList Start, Count
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if ($iBdCnt < $i1stBdL)
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{
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fwrite($FILE,
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pack("V", -2). // Extra BDList Start
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pack("V", 0) // Extra BDList Count
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);
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}
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else
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{
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fwrite($FILE, pack("V", $iAll+$iBdCnt) . pack("V", $iBdExL));
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}
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// BDList
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for ($i=0; $i<$i1stBdL and $i < $iBdCnt; $i++) {
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fwrite($FILE, pack("V", $iAll+$i));
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}
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if ($i < $i1stBdL)
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{
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for ($j = 0; $j < ($i1stBdL-$i); $j++) {
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fwrite($FILE, (pack("V", -1)));
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}
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}
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}
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/**
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* Saving big data (PPS's with data bigger than OLE_DATA_SIZE_SMALL)
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*
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* @access private
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* @param integer $iStBlk
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* @param array &$raList Reference to array of PPS's
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*/
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function _saveBigData($iStBlk, &$raList)
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{
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$FILE = $this->_FILEH_;
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// cycle through PPS's
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for ($i = 0; $i < count($raList); $i++)
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{
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if($raList[$i]->Type != OLE_PPS_TYPE_DIR)
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{
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$raList[$i]->Size = $raList[$i]->_DataLen();
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if(($raList[$i]->Size >= OLE_DATA_SIZE_SMALL) or
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(($raList[$i]->Type == OLE_PPS_TYPE_ROOT) and isset($raList[$i]->_data)))
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{
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// Write Data
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if(isset($raList[$i]->_PPS_FILE))
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{
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$iLen = 0;
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fseek($raList[$i]->_PPS_FILE, 0); // To The Top
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while($sBuff = fread($raList[$i]->_PPS_FILE, 4096))
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{
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$iLen += strlen($sBuff);
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fwrite($FILE, $sBuff);
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}
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}
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else {
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fwrite($FILE, $raList[$i]->_data);
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}
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if ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)
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{
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for ($j = 0; $j < ($this->_BIG_BLOCK_SIZE - ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)); $j++) {
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fwrite($FILE, "\x00");
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}
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}
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// Set For PPS
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$raList[$i]->_StartBlock = $iStBlk;
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$iStBlk +=
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(floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
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(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
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}
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// Close file for each PPS, and unlink it
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if (isset($raList[$i]->_PPS_FILE))
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{
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@fclose($raList[$i]->_PPS_FILE);
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$raList[$i]->_PPS_FILE = null;
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@unlink($raList[$i]->_tmp_filename);
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}
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}
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}
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}
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/**
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* get small data (PPS's with data smaller than OLE_DATA_SIZE_SMALL)
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*
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* @access private
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* @param array &$raList Reference to array of PPS's
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*/
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function _makeSmallData(&$raList)
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{
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$sRes = '';
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$FILE = $this->_FILEH_;
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$iSmBlk = 0;
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for ($i = 0; $i < count($raList); $i++)
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{
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// Make SBD, small data string
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if ($raList[$i]->Type == OLE_PPS_TYPE_FILE)
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{
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if ($raList[$i]->Size <= 0) {
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continue;
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}
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if ($raList[$i]->Size < OLE_DATA_SIZE_SMALL)
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{
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$iSmbCnt = floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
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+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
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// Add to SBD
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for ($j = 0; $j < ($iSmbCnt-1); $j++) {
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fwrite($FILE, pack("V", $j+$iSmBlk+1));
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}
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fwrite($FILE, pack("V", -2));
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// Add to Data String(this will be written for RootEntry)
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if ($raList[$i]->_PPS_FILE)
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{
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fseek($raList[$i]->_PPS_FILE, 0); // To The Top
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while ($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) {
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$sRes .= $sBuff;
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}
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}
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else {
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$sRes .= $raList[$i]->_data;
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}
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if($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)
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{
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for ($j = 0; $j < ($this->_SMALL_BLOCK_SIZE - ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)); $j++) {
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$sRes .= "\x00";
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}
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}
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// Set for PPS
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$raList[$i]->_StartBlock = $iSmBlk;
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$iSmBlk += $iSmbCnt;
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}
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}
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}
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$iSbCnt = floor($this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE);
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if($iSmBlk % $iSbCnt)
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{
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for ($i = 0; $i < ($iSbCnt - ($iSmBlk % $iSbCnt)); $i++) {
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fwrite($FILE, pack("V", -1));
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}
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}
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return $sRes;
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}
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/**
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* Saves all the PPS's WKs
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*
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* @access private
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* @param array $raList Reference to an array with all PPS's
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*/
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function _savePps(&$raList)
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{
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// Save each PPS WK
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for ($i = 0; $i < count($raList); $i++) {
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fwrite($this->_FILEH_, $raList[$i]->_getPpsWk());
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}
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// Adjust for Block
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$iCnt = count($raList);
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$iBCnt = $this->_BIG_BLOCK_SIZE / OLE_PPS_SIZE;
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if ($iCnt % $iBCnt)
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{
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for ($i = 0; $i < (($iBCnt - ($iCnt % $iBCnt)) * OLE_PPS_SIZE); $i++) {
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fwrite($this->_FILEH_, "\x00");
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}
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}
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}
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/**
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* Saving Big Block Depot
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*
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* @access private
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* @param integer $iSbdSize
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* @param integer $iBsize
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* @param integer $iPpsCnt
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*/
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function _saveBbd($iSbdSize, $iBsize, $iPpsCnt)
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{
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$FILE = $this->_FILEH_;
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// Calculate Basic Setting
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$iBbCnt = $this->_BIG_BLOCK_SIZE / OLE_LONG_INT_SIZE;
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$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / OLE_LONG_INT_SIZE;
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$iBdExL = 0;
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$iAll = $iBsize + $iPpsCnt + $iSbdSize;
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$iAllW = $iAll;
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$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
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$iBdCnt = floor(($iAll + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
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// Calculate BD count
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if ($iBdCnt >$i1stBdL)
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{
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while (1)
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{
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$iBdExL++;
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$iAllW++;
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$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
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$iBdCnt = floor(($iAllW + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
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if ($iBdCnt <= ($iBdExL*$iBbCnt+ $i1stBdL)) {
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break;
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}
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}
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}
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// Making BD
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// Set for SBD
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if ($iSbdSize > 0)
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{
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for ($i = 0; $i<($iSbdSize-1); $i++) {
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fwrite($FILE, pack("V", $i+1));
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}
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fwrite($FILE, pack("V", -2));
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}
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// Set for B
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for ($i = 0; $i<($iBsize-1); $i++) {
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fwrite($FILE, pack("V", $i+$iSbdSize+1));
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}
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fwrite($FILE, pack("V", -2));
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// Set for PPS
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for ($i = 0; $i<($iPpsCnt-1); $i++) {
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fwrite($FILE, pack("V", $i+$iSbdSize+$iBsize+1));
|
|
}
|
|
fwrite($FILE, pack("V", -2));
|
|
// Set for BBD itself ( 0xFFFFFFFD : BBD)
|
|
for ($i=0; $i<$iBdCnt;$i++) {
|
|
fwrite($FILE, pack("V", 0xFFFFFFFD));
|
|
}
|
|
// Set for ExtraBDList
|
|
for ($i=0; $i<$iBdExL;$i++) {
|
|
fwrite($FILE, pack("V", 0xFFFFFFFC));
|
|
}
|
|
// Adjust for Block
|
|
if (($iAllW + $iBdCnt) % $iBbCnt)
|
|
{
|
|
for ($i = 0; $i < ($iBbCnt - (($iAllW + $iBdCnt) % $iBbCnt)); $i++) {
|
|
fwrite($FILE, pack("V", -1));
|
|
}
|
|
}
|
|
// Extra BDList
|
|
if ($iBdCnt > $i1stBdL)
|
|
{
|
|
$iN=0;
|
|
$iNb=0;
|
|
for ($i=$i1stBdL;$i<$iBdCnt; $i++, $iN++)
|
|
{
|
|
if ($iN>=($iBbCnt-1))
|
|
{
|
|
$iN = 0;
|
|
$iNb++;
|
|
fwrite($FILE, pack("V", $iAll+$iBdCnt+$iNb));
|
|
}
|
|
fwrite($FILE, pack("V", $iBsize+$iSbdSize+$iPpsCnt+$i));
|
|
}
|
|
if (($iBdCnt-$i1stBdL) % ($iBbCnt-1))
|
|
{
|
|
for ($i = 0; $i < (($iBbCnt-1) - (($iBdCnt-$i1stBdL) % ($iBbCnt-1))); $i++) {
|
|
fwrite($FILE, pack("V", -1));
|
|
}
|
|
}
|
|
fwrite($FILE, pack("V", -2));
|
|
}
|
|
}
|
|
}
|
|
?>
|