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PK ! I
ChainedBlockStream.phpnu [ params);
if (!isset($this->params['oleInstanceId'], $this->params['blockId'], $GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']])) {
if ($options & STREAM_REPORT_ERRORS) {
trigger_error('OLE stream not found', E_USER_WARNING);
}
return false;
}
$this->ole = $GLOBALS['_OLE_INSTANCES'][$this->params['oleInstanceId']];
$blockId = $this->params['blockId'];
$this->data = '';
if (isset($this->params['size']) && $this->params['size'] < $this->ole->bigBlockThreshold && $blockId != $this->ole->root->_StartBlock) {
// Block id refers to small blocks
$rootPos = $this->ole->_getBlockOffset($this->ole->root->_StartBlock);
while ($blockId != -2) {
$pos = $rootPos + $blockId * $this->ole->bigBlockSize;
$blockId = $this->ole->sbat[$blockId];
fseek($this->ole->_file_handle, $pos);
$this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
}
} else {
// Block id refers to big blocks
while ($blockId != -2) {
$pos = $this->ole->_getBlockOffset($blockId);
fseek($this->ole->_file_handle, $pos);
$this->data .= fread($this->ole->_file_handle, $this->ole->bigBlockSize);
$blockId = $this->ole->bbat[$blockId];
}
}
if (isset($this->params['size'])) {
$this->data = substr($this->data, 0, $this->params['size']);
}
if ($options & STREAM_USE_PATH) {
$openedPath = $path;
}
return true;
}
/**
* Implements support for fclose().
*
*/
public function stream_close()
{
$this->ole = null;
unset($GLOBALS['_OLE_INSTANCES']);
}
/**
* Implements support for fread(), fgets() etc.
*
* @param int $count maximum number of bytes to read
* @return string
*/
public function stream_read($count)
{
if ($this->stream_eof()) {
return false;
}
$s = substr($this->data, $this->pos, $count);
$this->pos += $count;
return $s;
}
/**
* Implements support for feof().
*
* @return bool TRUE if the file pointer is at EOF; otherwise FALSE
*/
public function stream_eof()
{
return $this->pos >= strlen($this->data);
}
/**
* Returns the position of the file pointer, i.e. its offset into the file
* stream. Implements support for ftell().
*
* @return int
*/
public function stream_tell()
{
return $this->pos;
}
/**
* Implements support for fseek().
*
* @param int $offset byte offset
* @param int $whence SEEK_SET, SEEK_CUR or SEEK_END
* @return bool
*/
public function stream_seek($offset, $whence)
{
if ($whence == SEEK_SET && $offset >= 0) {
$this->pos = $offset;
} elseif ($whence == SEEK_CUR && -$offset <= $this->pos) {
$this->pos += $offset;
} elseif ($whence == SEEK_END && -$offset <= sizeof($this->data)) {
$this->pos = strlen($this->data) + $offset;
} else {
return false;
}
return true;
}
/**
* Implements support for fstat(). Currently the only supported field is
* "size".
* @return array
*/
public function stream_stat()
{
return array(
'size' => strlen($this->data),
);
}
// Methods used by stream_wrapper_register() that are not implemented:
// bool stream_flush ( void )
// int stream_write ( string data )
// bool rename ( string path_from, string path_to )
// bool mkdir ( string path, int mode, int options )
// bool rmdir ( string path, int options )
// bool dir_opendir ( string path, int options )
// array url_stat ( string path, int flags )
// string dir_readdir ( void )
// bool dir_rewinddir ( void )
// bool dir_closedir ( void )
}
PK ! K PPS/File.phpnu [ |
// | Based on OLE::Storage_Lite by Kawai, Takanori |
// +----------------------------------------------------------------------+
//
// $Id: File.php,v 1.11 2007/02/13 21:00:42 schmidt Exp $
/**
* Class for creating File PPS's for OLE containers
*
* @author Xavier Noguer
* @category PHPExcel
* @package PHPExcel_Shared_OLE
*/
class PHPExcel_Shared_OLE_PPS_File extends PHPExcel_Shared_OLE_PPS
{
/**
* The constructor
*
* @access public
* @param string $name The name of the file (in Unicode)
* @see OLE::Asc2Ucs()
*/
public function __construct($name)
{
parent::__construct(null, $name, PHPExcel_Shared_OLE::OLE_PPS_TYPE_FILE, null, null, null, null, null, '', array());
}
/**
* Initialization method. Has to be called right after OLE_PPS_File().
*
* @access public
* @return mixed true on success
*/
public function init()
{
return true;
}
/**
* Append data to PPS
*
* @access public
* @param string $data The data to append
*/
public function append($data)
{
$this->_data .= $data;
}
/**
* Returns a stream for reading this file using fread() etc.
* @return resource a read-only stream
*/
public function getStream()
{
$this->ole->getStream($this);
}
}
PK ! C C PPS/Root.phpnu [ |
// | 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
* @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));
}
}
}
PK ! 2G G PPS.phpnu [ |
// | Based on OLE::Storage_Lite by Kawai, Takanori |
// +----------------------------------------------------------------------+
//
// $Id: PPS.php,v 1.7 2007/02/13 21:00:42 schmidt Exp $
/**
* Class for creating PPS's for OLE containers
*
* @author Xavier Noguer
* @category PHPExcel
* @package PHPExcel_Shared_OLE
*/
class PHPExcel_Shared_OLE_PPS
{
/**
* The PPS index
* @var integer
*/
public $No;
/**
* The PPS name (in Unicode)
* @var string
*/
public $Name;
/**
* The PPS type. Dir, Root or File
* @var integer
*/
public $Type;
/**
* The index of the previous PPS
* @var integer
*/
public $PrevPps;
/**
* The index of the next PPS
* @var integer
*/
public $NextPps;
/**
* The index of it's first child if this is a Dir or Root PPS
* @var integer
*/
public $DirPps;
/**
* A timestamp
* @var integer
*/
public $Time1st;
/**
* A timestamp
* @var integer
*/
public $Time2nd;
/**
* Starting block (small or big) for this PPS's data inside the container
* @var integer
*/
public $_StartBlock;
/**
* The size of the PPS's data (in bytes)
* @var integer
*/
public $Size;
/**
* The PPS's data (only used if it's not using a temporary file)
* @var string
*/
public $_data;
/**
* Array of child PPS's (only used by Root and Dir PPS's)
* @var array
*/
public $children = array();
/**
* Pointer to OLE container
* @var OLE
*/
public $ole;
/**
* The constructor
*
* @access public
* @param integer $No The PPS index
* @param string $name The PPS name
* @param integer $type The PPS type. Dir, Root or File
* @param integer $prev The index of the previous PPS
* @param integer $next The index of the next PPS
* @param integer $dir The index of it's first child if this is a Dir or Root PPS
* @param integer $time_1st A timestamp
* @param integer $time_2nd A timestamp
* @param string $data The (usually binary) source data of the PPS
* @param array $children Array containing children PPS for this PPS
*/
public function __construct($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 {
$this->Size = 0;
}
}
/**
* Returns the amount of data saved for this PPS
*
* @access public
* @return integer The amount of data (in bytes)
*/
public function _DataLen()
{
if (!isset($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);
//}
}
/**
* Returns a string with the PPS's WK (What is a WK?)
*
* @access public
* @return string The binary string
*/
public function _getPpsWk()
{
$ret = str_pad($this->Name, 64, "\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", $this->DirPps) //Dir // 80
. "\x00\x09\x02\x00" // 84
. "\x00\x00\x00\x00" // 88
. "\xc0\x00\x00\x00" // 92
. "\x00\x00\x00\x46" // 96 // Seems to be ok only for Root
. "\x00\x00\x00\x00" // 100
. PHPExcel_Shared_OLE::LocalDate2OLE($this->Time1st) // 108
. PHPExcel_Shared_OLE::LocalDate2OLE($this->Time2nd) // 116
. pack("V", isset($this->_StartBlock)?
$this->_StartBlock:0) // 120
. pack("V", $this->Size) // 124
. pack("V", 0); // 128
return $ret;
}
/**
* Updates index and pointers to previous, next and children PPS's for this
* PPS. I don't think it'll work with Dir PPS's.
*
* @access public
* @param array &$raList Reference to the array of PPS's for the whole OLE
* container
* @return integer The index for this PPS
*/
public static function _savePpsSetPnt(&$raList, $to_save, $depth = 0)
{
if (!is_array($to_save) || (empty($to_save))) {
return 0xFFFFFFFF;
} elseif (count($to_save) == 1) {
$cnt = count($raList);
// If the first entry, it's the root... Don't clone it!
$raList[$cnt] = ( $depth == 0 ) ? $to_save[0] : clone $to_save[0];
$raList[$cnt]->No = $cnt;
$raList[$cnt]->PrevPps = 0xFFFFFFFF;
$raList[$cnt]->NextPps = 0xFFFFFFFF;
$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
} else {
$iPos = floor(count($to_save) / 2);
$aPrev = array_slice($to_save, 0, $iPos);
$aNext = array_slice($to_save, $iPos + 1);
$cnt = count($raList);
// If the first entry, it's the root... Don't clone it!
$raList[$cnt] = ( $depth == 0 ) ? $to_save[$iPos] : clone $to_save[$iPos];
$raList[$cnt]->No = $cnt;
$raList[$cnt]->PrevPps = self::_savePpsSetPnt($raList, $aPrev, $depth++);
$raList[$cnt]->NextPps = self::_savePpsSetPnt($raList, $aNext, $depth++);
$raList[$cnt]->DirPps = self::_savePpsSetPnt($raList, @$raList[$cnt]->children, $depth++);
}
return $cnt;
}
}
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