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<?php |
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namespace PhpOffice\PhpSpreadsheet\Shared\OLE\PPS; |
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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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// | [email protected] so we can mail you a copy immediately. | |
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// +----------------------------------------------------------------------+ |
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// | Author: Xavier Noguer <[email protected]> | |
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// | Based on OLE::Storage_Lite by Kawai, Takanori | |
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// +----------------------------------------------------------------------+ |
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// |
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use PhpOffice\PhpSpreadsheet\Shared\OLE; |
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use PhpOffice\PhpSpreadsheet\Shared\OLE\PPS; |
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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 <[email protected]> |
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*/ |
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class Root extends PPS |
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{ |
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/** |
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* @var resource |
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*/ |
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private $fileHandle; |
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private ?int $smallBlockSize = null; |
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private ?int $bigBlockSize = null; |
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/** |
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* @param null|float|int $time_1st A timestamp |
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* @param null|float|int $time_2nd A timestamp |
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* @param File[] $raChild |
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*/ |
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public function __construct($time_1st, $time_2nd, array $raChild) |
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{ |
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parent::__construct(null, OLE::ascToUcs('Root Entry'), OLE::OLE_PPS_TYPE_ROOT, null, null, null, $time_1st, $time_2nd, null, $raChild); |
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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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* If a resource pointer to a stream created by fopen() is passed |
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* it will be used, but you have to close such stream by yourself. |
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* |
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* @param resource $fileHandle the name of the file or stream where to save the OLE container |
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* |
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* @return bool true on success |
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*/ |
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public function save($fileHandle): bool |
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{ |
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$this->fileHandle = $fileHandle; |
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// Initial Setting for saving |
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$this->bigBlockSize = (int) (2 ** ( |
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(isset($this->bigBlockSize)) ? self::adjust2($this->bigBlockSize) : 9 |
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)); |
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$this->smallBlockSize = (int) (2 ** ( |
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(isset($this->smallBlockSize)) ? self::adjust2($this->smallBlockSize) : 6 |
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)); |
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// Make an array of PPS's (for Save) |
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$aList = []; |
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PPS::savePpsSetPnt($aList, [$this]); |
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// calculate values for header |
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[$iSBDcnt, $iBBcnt, $iPPScnt] = $this->calcSize($aList); //, $rhInfo); |
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// Save Header |
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$this->saveHeader((int) $iSBDcnt, (int) $iBBcnt, (int) $iPPScnt); |
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// Make Small Data string (write SBD) |
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$this->_data = $this->makeSmallData($aList); |
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// Write BB |
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$this->saveBigData((int) $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((int) $iSBDcnt, (int) $iBBcnt, (int) $iPPScnt); |
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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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* @param array $raList Reference to an array of PPS's |
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* |
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* @return float[] The array of numbers |
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*/ |
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private function calcSize(array &$raList): array |
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{ |
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// Calculate Basic Setting |
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[$iSBDcnt, $iBBcnt, $iPPScnt] = [0, 0, 0]; |
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$iSBcnt = 0; |
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$iCount = count($raList); |
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for ($i = 0; $i < $iCount; ++$i) { |
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if ($raList[$i]->Type == OLE::OLE_PPS_TYPE_FILE) { |
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$raList[$i]->Size = $raList[$i]->getDataLen(); |
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if ($raList[$i]->Size < OLE::OLE_DATA_SIZE_SMALL) { |
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$iSBcnt += floor($raList[$i]->Size / $this->smallBlockSize) |
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+ (($raList[$i]->Size % $this->smallBlockSize) ? 1 : 0); |
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} else { |
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$iBBcnt += (floor($raList[$i]->Size / $this->bigBlockSize) |
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+ (($raList[$i]->Size % $this->bigBlockSize) ? 1 : 0)); |
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} |
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} |
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} |
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$iSmallLen = $iSBcnt * $this->smallBlockSize; |
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$iSlCnt = floor($this->bigBlockSize / OLE::OLE_LONG_INT_SIZE); |
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$iSBDcnt = floor($iSBcnt / $iSlCnt) + (($iSBcnt % $iSlCnt) ? 1 : 0); |
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$iBBcnt += (floor($iSmallLen / $this->bigBlockSize) |
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+ (($iSmallLen % $this->bigBlockSize) ? 1 : 0)); |
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$iCnt = count($raList); |
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$iBdCnt = $this->bigBlockSize / OLE::OLE_PPS_SIZE; |
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$iPPScnt = (floor($iCnt / $iBdCnt) + (($iCnt % $iBdCnt) ? 1 : 0)); |
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return [$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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* @param int $i2 The argument |
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* |
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* @see save() |
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*/ |
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private static function adjust2(int $i2): float |
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{ |
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$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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private function saveHeader(int $iSBDcnt, int $iBBcnt, int $iPPScnt): void |
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{ |
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$FILE = $this->fileHandle; |
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// Calculate Basic Setting |
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$iBlCnt = $this->bigBlockSize / OLE::OLE_LONG_INT_SIZE; |
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$i1stBdL = ($this->bigBlockSize - 0x4C) / OLE::OLE_LONG_INT_SIZE; |
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$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 > $i1stBdL) { |
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while (1) { |
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++$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 + $i1stBdL)) { |
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break; |
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} |
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} |
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} |
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// Save Header |
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fwrite( |
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$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', $iSBDcnt ? 0 : -2) //Small Block Depot |
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. pack('V', $iSBDcnt) |
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); |
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// Extra BDList Start, Count |
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if ($iBdCnt < $i1stBdL) { |
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fwrite( |
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$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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} else { |
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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 && $i < $iBdCnt; ++$i) { |
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fwrite($FILE, pack('V', $iAll + $i)); |
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} |
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if ($i < $i1stBdL) { |
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$jB = $i1stBdL - $i; |
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for ($j = 0; $j < $jB; ++$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 \PhpOffice\PhpSpreadsheet\Shared\OLE::OLE_DATA_SIZE_SMALL). |
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* |
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* @param array $raList Reference to array of PPS's |
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*/ |
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private function saveBigData(int $iStBlk, array &$raList): void |
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{ |
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$FILE = $this->fileHandle; |
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// cycle through PPS's |
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$iCount = count($raList); |
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for ($i = 0; $i < $iCount; ++$i) { |
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if ($raList[$i]->Type != OLE::OLE_PPS_TYPE_DIR) { |
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$raList[$i]->Size = $raList[$i]->getDataLen(); |
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if (($raList[$i]->Size >= OLE::OLE_DATA_SIZE_SMALL) || (($raList[$i]->Type == OLE::OLE_PPS_TYPE_ROOT) && isset($raList[$i]->_data))) { |
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fwrite($FILE, $raList[$i]->_data); |
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if ($raList[$i]->Size % $this->bigBlockSize) { |
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fwrite($FILE, str_repeat("\x00", $this->bigBlockSize - ($raList[$i]->Size % $this->bigBlockSize))); |
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} |
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// Set For PPS |
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$raList[$i]->startBlock = $iStBlk; |
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$iStBlk |
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+= (floor($raList[$i]->Size / $this->bigBlockSize) |
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+ (($raList[$i]->Size % $this->bigBlockSize) ? 1 : 0)); |
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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 \PhpOffice\PhpSpreadsheet\Shared\OLE::OLE_DATA_SIZE_SMALL). |
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* |
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* @param array $raList Reference to array of PPS's |
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*/ |
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private function makeSmallData(array &$raList): string |
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{ |
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$sRes = ''; |
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$FILE = $this->fileHandle; |
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$iSmBlk = 0; |
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$iCount = count($raList); |
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for ($i = 0; $i < $iCount; ++$i) { |
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// Make SBD, small data string |
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if ($raList[$i]->Type == OLE::OLE_PPS_TYPE_FILE) { |
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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::OLE_DATA_SIZE_SMALL) { |
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$iSmbCnt = floor($raList[$i]->Size / $this->smallBlockSize) |
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+ (($raList[$i]->Size % $this->smallBlockSize) ? 1 : 0); |
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// Add to SBD |
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$jB = $iSmbCnt - 1; |
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for ($j = 0; $j < $jB; ++$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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$sRes .= $raList[$i]->_data; |
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if ($raList[$i]->Size % $this->smallBlockSize) { |
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$sRes .= str_repeat("\x00", $this->smallBlockSize - ($raList[$i]->Size % $this->smallBlockSize)); |
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} |
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// Set for PPS |
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$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($this->bigBlockSize / OLE::OLE_LONG_INT_SIZE); |
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if ($iSmBlk % $iSbCnt) { |
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$iB = $iSbCnt - ($iSmBlk % $iSbCnt); |
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for ($i = 0; $i < $iB; ++$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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* @param array $raList Reference to an array with all PPS's |
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*/ |
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private function savePps(array &$raList): void |
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{ |
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// Save each PPS WK |
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$iC = count($raList); |
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for ($i = 0; $i < $iC; ++$i) { |
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fwrite($this->fileHandle, $raList[$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 = $this->bigBlockSize / OLE::OLE_PPS_SIZE; |
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99 |
|
if ($iCnt % $iBCnt) { |
319
|
|
|
fwrite($this->fileHandle, str_repeat("\x00", ($iBCnt - ($iCnt % $iBCnt)) * OLE::OLE_PPS_SIZE)); |
320
|
|
|
} |
321
|
|
|
} |
322
|
|
|
|
323
|
|
|
/** |
324
|
|
|
* Saving Big Block Depot. |
325
|
|
|
*/ |
326
|
99 |
|
private function saveBbd(int $iSbdSize, int $iBsize, int $iPpsCnt): void |
327
|
|
|
{ |
328
|
99 |
|
$FILE = $this->fileHandle; |
329
|
|
|
// Calculate Basic Setting |
330
|
99 |
|
$iBbCnt = $this->bigBlockSize / OLE::OLE_LONG_INT_SIZE; |
331
|
99 |
|
$i1stBdL = ($this->bigBlockSize - 0x4C) / OLE::OLE_LONG_INT_SIZE; |
332
|
|
|
|
333
|
99 |
|
$iBdExL = 0; |
334
|
99 |
|
$iAll = $iBsize + $iPpsCnt + $iSbdSize; |
335
|
99 |
|
$iAllW = $iAll; |
336
|
99 |
|
$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt) ? 1 : 0); |
337
|
99 |
|
$iBdCnt = floor(($iAll + $iBdCntW) / $iBbCnt) + ((($iAllW + $iBdCntW) % $iBbCnt) ? 1 : 0); |
338
|
|
|
// Calculate BD count |
339
|
99 |
|
if ($iBdCnt > $i1stBdL) { |
340
|
|
|
while (1) { |
341
|
|
|
++$iBdExL; |
342
|
|
|
++$iAllW; |
343
|
|
|
$iBdCntW = floor($iAllW / $iBbCnt) + (($iAllW % $iBbCnt) ? 1 : 0); |
344
|
|
|
$iBdCnt = floor(($iAllW + $iBdCntW) / $iBbCnt) + ((($iAllW + $iBdCntW) % $iBbCnt) ? 1 : 0); |
345
|
|
|
if ($iBdCnt <= ($iBdExL * $iBbCnt + $i1stBdL)) { |
346
|
|
|
break; |
347
|
|
|
} |
348
|
|
|
} |
349
|
|
|
} |
350
|
|
|
|
351
|
|
|
// Making BD |
352
|
|
|
// Set for SBD |
353
|
99 |
|
if ($iSbdSize > 0) { |
354
|
99 |
|
for ($i = 0; $i < ($iSbdSize - 1); ++$i) { |
355
|
|
|
fwrite($FILE, pack('V', $i + 1)); |
356
|
|
|
} |
357
|
99 |
|
fwrite($FILE, pack('V', -2)); |
358
|
|
|
} |
359
|
|
|
// Set for B |
360
|
99 |
|
for ($i = 0; $i < ($iBsize - 1); ++$i) { |
361
|
99 |
|
fwrite($FILE, pack('V', $i + $iSbdSize + 1)); |
362
|
|
|
} |
363
|
99 |
|
fwrite($FILE, pack('V', -2)); |
364
|
|
|
|
365
|
|
|
// Set for PPS |
366
|
99 |
|
for ($i = 0; $i < ($iPpsCnt - 1); ++$i) { |
367
|
|
|
fwrite($FILE, pack('V', $i + $iSbdSize + $iBsize + 1)); |
368
|
|
|
} |
369
|
99 |
|
fwrite($FILE, pack('V', -2)); |
370
|
|
|
// Set for BBD itself ( 0xFFFFFFFD : BBD) |
371
|
99 |
|
for ($i = 0; $i < $iBdCnt; ++$i) { |
372
|
99 |
|
fwrite($FILE, pack('V', 0xFFFFFFFD)); |
373
|
|
|
} |
374
|
|
|
// Set for ExtraBDList |
375
|
99 |
|
for ($i = 0; $i < $iBdExL; ++$i) { |
376
|
|
|
fwrite($FILE, pack('V', 0xFFFFFFFC)); |
377
|
|
|
} |
378
|
|
|
// Adjust for Block |
379
|
99 |
|
if (($iAllW + $iBdCnt) % $iBbCnt) { |
380
|
99 |
|
$iBlock = ($iBbCnt - (($iAllW + $iBdCnt) % $iBbCnt)); |
381
|
99 |
|
for ($i = 0; $i < $iBlock; ++$i) { |
382
|
99 |
|
fwrite($FILE, pack('V', -1)); |
383
|
|
|
} |
384
|
|
|
} |
385
|
|
|
// Extra BDList |
386
|
99 |
|
if ($iBdCnt > $i1stBdL) { |
387
|
|
|
$iN = 0; |
388
|
|
|
$iNb = 0; |
389
|
|
|
for ($i = $i1stBdL; $i < $iBdCnt; $i++, ++$iN) { |
390
|
|
|
if ($iN >= ($iBbCnt - 1)) { |
391
|
|
|
$iN = 0; |
392
|
|
|
++$iNb; |
393
|
|
|
fwrite($FILE, pack('V', $iAll + $iBdCnt + $iNb)); |
394
|
|
|
} |
395
|
|
|
fwrite($FILE, pack('V', $iBsize + $iSbdSize + $iPpsCnt + $i)); |
396
|
|
|
} |
397
|
|
|
if (($iBdCnt - $i1stBdL) % ($iBbCnt - 1)) { |
398
|
|
|
$iB = ($iBbCnt - 1) - (($iBdCnt - $i1stBdL) % ($iBbCnt - 1)); |
399
|
|
|
for ($i = 0; $i < $iB; ++$i) { |
400
|
|
|
fwrite($FILE, pack('V', -1)); |
401
|
|
|
} |
402
|
|
|
} |
403
|
|
|
fwrite($FILE, pack('V', -2)); |
404
|
|
|
} |
405
|
|
|
} |
406
|
|
|
} |
407
|
|
|
|