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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: Root.php,v 1.9 2005/04/23 21:53:49 dufuz Exp $
/**
* Class for creating Root PPS's for OLE containers
*
* @author Xavier Noguer <xnoguer@php.net>
* @category PHPExcel
* @package PHPExcel_Shared_OLE
*/
class PHPExcel_Shared_OLE_PPS_Root extends PHPExcel_Shared_OLE_PPS
{
/**
* Directory for temporary files
* @var string
*/
protected $tempDirectory = null;
/**
* @param integer $time_1st A timestamp
* @param integer $time_2nd A timestamp
*/
public function __construct($time_1st, $time_2nd, $raChild)
{
$this->_tempDir = PHPExcel_Shared_File::sys_get_temp_dir();
parent::__construct(null, PHPExcel_Shared_OLE::Asc2Ucs('Root Entry'), PHPExcel_Shared_OLE::OLE_PPS_TYPE_ROOT, null, null, null, $time_1st, $time_2nd, null, $raChild);
}
/**
* Method for saving the whole OLE container (including files).
* In fact, if called with an empty argument (or '-'), it saves to a
* temporary file and then outputs it's contents to stdout.
* If a resource pointer to a stream created by fopen() is passed
* it will be used, but you have to close such stream by yourself.
*
* @param string|resource $filename The name of the file or stream where to save the OLE container.
* @access public
* @return mixed true on success
*/
public function save($filename)
{
// Initial Setting for saving
$this->_BIG_BLOCK_SIZE = pow(
2,
(isset($this->_BIG_BLOCK_SIZE))? self::adjust2($this->_BIG_BLOCK_SIZE) : 9
);
$this->_SMALL_BLOCK_SIZE= pow(
2,
(isset($this->_SMALL_BLOCK_SIZE))? self::adjust2($this->_SMALL_BLOCK_SIZE) : 6
);
if (is_resource($filename)) {
$this->_FILEH_ = $filename;
} elseif ($filename == '-' || $filename == '') {
if ($this->tempDirectory === null) {
$this->tempDirectory = PHPExcel_Shared_File::sys_get_temp_dir();
}
$this->_tmp_filename = tempnam($this->tempDirectory, "OLE_PPS_Root");
$this->_FILEH_ = fopen($this->_tmp_filename, "w+b");
if ($this->_FILEH_ == false) {
throw new PHPExcel_Writer_Exception("Can't create temporary file.");
}
} else {
$this->_FILEH_ = fopen($filename, "wb");
}
if ($this->_FILEH_ == false) {
throw new PHPExcel_Writer_Exception("Can't open $filename. It may be in use or protected.");
}
// Make an array of PPS's (for Save)
$aList = array();
PHPExcel_Shared_OLE_PPS::_savePpsSetPnt($aList, array($this));
// calculate values for header
list($iSBDcnt, $iBBcnt, $iPPScnt) = $this->_calcSize($aList); //, $rhInfo);
// Save Header
$this->_saveHeader($iSBDcnt, $iBBcnt, $iPPScnt);
// Make Small Data string (write SBD)
$this->_data = $this->_makeSmallData($aList);
// Write BB
$this->_saveBigData($iSBDcnt, $aList);
// Write PPS
$this->_savePps($aList);
// Write Big Block Depot and BDList and Adding Header informations
$this->_saveBbd($iSBDcnt, $iBBcnt, $iPPScnt);
if (!is_resource($filename)) {
fclose($this->_FILEH_);
}
return true;
}
/**
* Calculate some numbers
*
* @access public
* @param array $raList Reference to an array of PPS's
* @return array The array of numbers
*/
public function _calcSize(&$raList)
{
// Calculate Basic Setting
list($iSBDcnt, $iBBcnt, $iPPScnt) = array(0,0,0);
$iSmallLen = 0;
$iSBcnt = 0;
$iCount = count($raList);
for ($i = 0; $i < $iCount; ++$i) {
if ($raList[$i]->Type == PHPExcel_Shared_OLE::OLE_PPS_TYPE_FILE) {
$raList[$i]->Size = $raList[$i]->_DataLen();
if ($raList[$i]->Size < PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL) {
$iSBcnt += floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
} else {
$iBBcnt += (floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
}
}
}
$iSmallLen = $iSBcnt * $this->_SMALL_BLOCK_SIZE;
$iSlCnt = floor($this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE);
$iSBDcnt = floor($iSBcnt / $iSlCnt) + (($iSBcnt % $iSlCnt)? 1:0);
$iBBcnt += (floor($iSmallLen / $this->_BIG_BLOCK_SIZE) +
(( $iSmallLen % $this->_BIG_BLOCK_SIZE)? 1: 0));
$iCnt = count($raList);
$iBdCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_PPS_SIZE;
$iPPScnt = (floor($iCnt/$iBdCnt) + (($iCnt % $iBdCnt)? 1: 0));
return array($iSBDcnt, $iBBcnt, $iPPScnt);
}
/**
* Helper function for caculating a magic value for block sizes
*
* @access public
* @param integer $i2 The argument
* @see save()
* @return integer
*/
private static function adjust2($i2)
{
$iWk = log($i2)/log(2);
return ($iWk > floor($iWk))? floor($iWk)+1:$iWk;
}
/**
* Save OLE header
*
* @access public
* @param integer $iSBDcnt
* @param integer $iBBcnt
* @param integer $iPPScnt
*/
public function _saveHeader($iSBDcnt, $iBBcnt, $iPPScnt)
{
$FILE = $this->_FILEH_;
// Calculate Basic Setting
$iBlCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
$iBdExL = 0;
$iAll = $iBBcnt + $iPPScnt + $iSBDcnt;
$iAllW = $iAll;
$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
$iBdCnt = floor(($iAll + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
// Calculate BD count
if ($iBdCnt > $i1stBdL) {
while (1) {
++$iBdExL;
++$iAllW;
$iBdCntW = floor($iAllW / $iBlCnt) + (($iAllW % $iBlCnt)? 1: 0);
$iBdCnt = floor(($iAllW + $iBdCntW) / $iBlCnt) + ((($iAllW+$iBdCntW) % $iBlCnt)? 1: 0);
if ($iBdCnt <= ($iBdExL*$iBlCnt+ $i1stBdL)) {
break;
}
}
}
// Save Header
fwrite(
$FILE,
"\xD0\xCF\x11\xE0\xA1\xB1\x1A\xE1"
. "\x00\x00\x00\x00"
. "\x00\x00\x00\x00"
. "\x00\x00\x00\x00"
. "\x00\x00\x00\x00"
. pack("v", 0x3b)
. pack("v", 0x03)
. pack("v", -2)
. pack("v", 9)
. pack("v", 6)
. pack("v", 0)
. "\x00\x00\x00\x00"
. "\x00\x00\x00\x00"
. pack("V", $iBdCnt)
. pack("V", $iBBcnt+$iSBDcnt) //ROOT START
. pack("V", 0)
. pack("V", 0x1000)
. pack("V", $iSBDcnt ? 0 : -2) //Small Block Depot
. pack("V", $iSBDcnt)
);
// Extra BDList Start, Count
if ($iBdCnt < $i1stBdL) {
fwrite(
$FILE,
pack("V", -2) // Extra BDList Start
. pack("V", 0)// Extra BDList Count
);
} else {
fwrite($FILE, pack("V", $iAll+$iBdCnt) . pack("V", $iBdExL));
}
// BDList
for ($i = 0; $i < $i1stBdL && $i < $iBdCnt; ++$i) {
fwrite($FILE, pack("V", $iAll+$i));
}
if ($i < $i1stBdL) {
$jB = $i1stBdL - $i;
for ($j = 0; $j < $jB; ++$j) {
fwrite($FILE, (pack("V", -1)));
}
}
}
/**
* Saving big data (PPS's with data bigger than PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL)
*
* @access public
* @param integer $iStBlk
* @param array &$raList Reference to array of PPS's
*/
public function _saveBigData($iStBlk, &$raList)
{
$FILE = $this->_FILEH_;
// cycle through PPS's
$iCount = count($raList);
for ($i = 0; $i < $iCount; ++$i) {
if ($raList[$i]->Type != PHPExcel_Shared_OLE::OLE_PPS_TYPE_DIR) {
$raList[$i]->Size = $raList[$i]->_DataLen();
if (($raList[$i]->Size >= PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL) || (($raList[$i]->Type == PHPExcel_Shared_OLE::OLE_PPS_TYPE_ROOT) && isset($raList[$i]->_data))) {
// Write Data
//if (isset($raList[$i]->_PPS_FILE)) {
// $iLen = 0;
// fseek($raList[$i]->_PPS_FILE, 0); // To The Top
// while ($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) {
// $iLen += strlen($sBuff);
// fwrite($FILE, $sBuff);
// }
//} else {
fwrite($FILE, $raList[$i]->_data);
//}
if ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE) {
fwrite($FILE, str_repeat("\x00", $this->_BIG_BLOCK_SIZE - ($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)));
}
// Set For PPS
$raList[$i]->_StartBlock = $iStBlk;
$iStBlk +=
(floor($raList[$i]->Size / $this->_BIG_BLOCK_SIZE) +
(($raList[$i]->Size % $this->_BIG_BLOCK_SIZE)? 1: 0));
}
// Close file for each PPS, and unlink it
//if (isset($raList[$i]->_PPS_FILE)) {
// fclose($raList[$i]->_PPS_FILE);
// $raList[$i]->_PPS_FILE = null;
// unlink($raList[$i]->_tmp_filename);
//}
}
}
}
/**
* get small data (PPS's with data smaller than PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL)
*
* @access public
* @param array &$raList Reference to array of PPS's
*/
public function _makeSmallData(&$raList)
{
$sRes = '';
$FILE = $this->_FILEH_;
$iSmBlk = 0;
$iCount = count($raList);
for ($i = 0; $i < $iCount; ++$i) {
// Make SBD, small data string
if ($raList[$i]->Type == PHPExcel_Shared_OLE::OLE_PPS_TYPE_FILE) {
if ($raList[$i]->Size <= 0) {
continue;
}
if ($raList[$i]->Size < PHPExcel_Shared_OLE::OLE_DATA_SIZE_SMALL) {
$iSmbCnt = floor($raList[$i]->Size / $this->_SMALL_BLOCK_SIZE)
+ (($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE)? 1: 0);
// Add to SBD
$jB = $iSmbCnt - 1;
for ($j = 0; $j < $jB; ++$j) {
fwrite($FILE, pack("V", $j+$iSmBlk+1));
}
fwrite($FILE, pack("V", -2));
//// Add to Data String(this will be written for RootEntry)
//if ($raList[$i]->_PPS_FILE) {
// fseek($raList[$i]->_PPS_FILE, 0); // To The Top
// while ($sBuff = fread($raList[$i]->_PPS_FILE, 4096)) {
// $sRes .= $sBuff;
// }
//} else {
$sRes .= $raList[$i]->_data;
//}
if ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE) {
$sRes .= str_repeat("\x00", $this->_SMALL_BLOCK_SIZE - ($raList[$i]->Size % $this->_SMALL_BLOCK_SIZE));
}
// Set for PPS
$raList[$i]->_StartBlock = $iSmBlk;
$iSmBlk += $iSmbCnt;
}
}
}
$iSbCnt = floor($this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE);
if ($iSmBlk % $iSbCnt) {
$iB = $iSbCnt - ($iSmBlk % $iSbCnt);
for ($i = 0; $i < $iB; ++$i) {
fwrite($FILE, pack("V", -1));
}
}
return $sRes;
}
/**
* Saves all the PPS's WKs
*
* @access public
* @param array $raList Reference to an array with all PPS's
*/
public function _savePps(&$raList)
{
// Save each PPS WK
$iC = count($raList);
for ($i = 0; $i < $iC; ++$i) {
fwrite($this->_FILEH_, $raList[$i]->_getPpsWk());
}
// Adjust for Block
$iCnt = count($raList);
$iBCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_PPS_SIZE;
if ($iCnt % $iBCnt) {
fwrite($this->_FILEH_, str_repeat("\x00", ($iBCnt - ($iCnt % $iBCnt)) * PHPExcel_Shared_OLE::OLE_PPS_SIZE));
}
}
/**
* Saving Big Block Depot
*
* @access public
* @param integer $iSbdSize
* @param integer $iBsize
* @param integer $iPpsCnt
*/
public function _saveBbd($iSbdSize, $iBsize, $iPpsCnt)
{
$FILE = $this->_FILEH_;
// Calculate Basic Setting
$iBbCnt = $this->_BIG_BLOCK_SIZE / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
$i1stBdL = ($this->_BIG_BLOCK_SIZE - 0x4C) / PHPExcel_Shared_OLE::OLE_LONG_INT_SIZE;
$iBdExL = 0;
$iAll = $iBsize + $iPpsCnt + $iSbdSize;
$iAllW = $iAll;
$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
$iBdCnt = floor(($iAll + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
// Calculate BD count
if ($iBdCnt >$i1stBdL) {
while (1) {
++$iBdExL;
++$iAllW;
$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt)? 1: 0);
$iBdCnt = floor(($iAllW + $iBdCntW) / $iBbCnt) + ((($iAllW+$iBdCntW) % $iBbCnt)? 1: 0);
if ($iBdCnt <= ($iBdExL*$iBbCnt+ $i1stBdL)) {
break;
}
}
}
// Making BD
// Set for SBD
if ($iSbdSize > 0) {
for ($i = 0; $i < ($iSbdSize - 1); ++$i) {
fwrite($FILE, pack("V", $i+1));
}
fwrite($FILE, pack("V", -2));
}
// Set for B
for ($i = 0; $i < ($iBsize - 1); ++$i) {
fwrite($FILE, pack("V", $i+$iSbdSize+1));
}
fwrite($FILE, pack("V", -2));
// Set for PPS
for ($i = 0; $i < ($iPpsCnt - 1); ++$i) {
fwrite($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) {
$iBlock = ($iBbCnt - (($iAllW + $iBdCnt) % $iBbCnt));
for ($i = 0; $i < $iBlock; ++$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)) {
$iB = ($iBbCnt - 1) - (($iBdCnt - $i1stBdL) % ($iBbCnt - 1));
for ($i = 0; $i < $iB; ++$i) {
fwrite($FILE, pack("V", -1));
}
}
fwrite($FILE, pack("V", -2));
}
}
}
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