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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: PPS.php,v 1.7 2007/02/13 21:00:42 schmidt Exp $/*** Class for creating PPS's for OLE containers** @author Xavier Noguer <xnoguer@php.net>* @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); // 128return $ret;}/*** Updates index and pointers to previous, next and children PPS's for this* PPS. I don't think it'll work with Dir PPS's.** @access public* @param array &$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;}}