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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 = (int) $No; $this->Name = (string) $name; $this->Type = (int) $type; $this->PrevPps = (int) $prev; $this->NextPps = (int) $next; $this->DirPps = (int) $dir; $this->Time1st = $time_1st ?? 0; $this->Time2nd = $time_2nd ?? 0; $this->_data = (string) $data; $this->children = $children; $this->Size = strlen((string) $data); } /** * Returns the amount of data saved for this PPS. * * @return int The amount of data (in bytes) */ public function getDataLen() { //if (!isset($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 { $iPos = (int) floor(count($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; } }