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<?php
namespace PhpOffice\PhpSpreadsheet\Shared\OLE;
// 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 |
// +----------------------------------------------------------------------+
//
use PhpOffice\PhpSpreadsheet\Shared\OLE;
/**
* Class for creating PPS's for OLE containers.
*
* @author Xavier Noguer <xnoguer@php.net>
*/
class PPS
{
/**
* The PPS index.
*
* @var int
*/
public $No;
/**
* The PPS name (in Unicode).
*
* @var string
*/
public $Name;
/**
* The PPS type. Dir, Root or File.
*
* @var int
*/
public $Type;
/**
* The index of the previous PPS.
*
* @var int
*/
public $PrevPps;
/**
* The index of the next PPS.
*
* @var int
*/
public $NextPps;
/**
* The index of it's first child if this is a Dir or Root PPS.
*
* @var int
*/
public $DirPps;
/**
* A timestamp.
*
* @var float|int
*/
public $Time1st;
/**
* A timestamp.
*
* @var float|int
*/
public $Time2nd;
/**
* Starting block (small or big) for this PPS's data inside the container.
*
* @var int
*/
public $startBlock;
/**
* The size of the PPS's data (in bytes).
*
* @var int
*/
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 = [];
/**
* Pointer to OLE container.
*
* @var OLE
*/
public $ole;
/**
* The constructor.
*
* @param int $No The PPS index
* @param string $name The PPS name
* @param int $type The PPS type. Dir, Root or File
* @param int $prev The index of the previous PPS
* @param int $next The index of the next PPS
* @param int $dir The index of it's first child if this is a Dir or Root PPS
* @param null|float|int $time_1st A timestamp
* @param null|float|int $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 ?? 0;
$this->Time2nd = $time_2nd ?? 0;
$this->_data = $data;
$this->children = $children;
if ($data != '') {
$this->Size = strlen($data);
} else {
$this->Size = 0;
}
}
/**
* Returns the amount of data saved for this PPS.
*
* @return int The amount of data (in bytes)
*/
public function getDataLen()
{
if (!isset($this->_data)) {
return 0;
}
return strlen($this->_data);
}
/**
* Returns a string with the PPS's WK (What is a WK?).
*
* @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', $this->DirPps) //Dir // 80
. "\x00\x09\x02\x00" // 84
. "\x00\x00\x00\x00" // 88
. "\xc0\x00\x00\x00" // 92
. "\x00\x00\x00\x46" // 96 // Seems to be ok only for Root
. "\x00\x00\x00\x00" // 100
. OLE::localDateToOLE($this->Time1st) // 108
. OLE::localDateToOLE($this->Time2nd) // 116
. pack('V', $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.
*
* @param array $raList Reference to the array of PPS's for the whole OLE
* container
* @param mixed $to_save
* @param mixed $depth
*
* @return int The index for this PPS
*/
public static function savePpsSetPnt(&$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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