PHPExcel_Shared_OLE

# Source for file Root.php Documentation is available at Root.php <?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 $_tmp_dir = ''; /** * @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_ = $filename; } else if ($filename == '-' || $filename == '') { $this->_tmp_filename = tempnam($this->_tmp_dir, "OLE_PPS_Root"); $this->_FILEH_ = fopen($this->_tmp_filename,"w+b"); if ($this->_FILEH_ == false) { throw new Exception("Can't create temporary file."); } } else { $this->_FILEH_ = fopen($filename, "wb"); } if ($this->_FILEH_ == false) { throw new Exception("Can't open $filename. It may be in use or protected."); } // Make an array of PPS's (for Save) $aList = array(); $this->_savePpsSetPnt($aList); // 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)); } } } Documentation generated on Sun, 27 Feb 2011 16:33:47 -0800 by phpDocumentor 1.4.3