Dateien nach "includes/PHPExcel/Classes/PHPExcel/Reader/Excel5" hochladen
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<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2014 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Reader_Excel5
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* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/**
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* PHPExcel_Reader_Excel5_Escher
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*
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* @category PHPExcel
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* @package PHPExcel_Reader_Excel5
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* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Reader_Excel5_Escher
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{
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const DGGCONTAINER = 0xF000;
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const BSTORECONTAINER = 0xF001;
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const DGCONTAINER = 0xF002;
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const SPGRCONTAINER = 0xF003;
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const SPCONTAINER = 0xF004;
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const DGG = 0xF006;
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const BSE = 0xF007;
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const DG = 0xF008;
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const SPGR = 0xF009;
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const SP = 0xF00A;
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const OPT = 0xF00B;
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const CLIENTTEXTBOX = 0xF00D;
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const CLIENTANCHOR = 0xF010;
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const CLIENTDATA = 0xF011;
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const BLIPJPEG = 0xF01D;
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const BLIPPNG = 0xF01E;
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const SPLITMENUCOLORS = 0xF11E;
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const TERTIARYOPT = 0xF122;
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/**
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* Escher stream data (binary)
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*
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* @var string
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*/
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private $_data;
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/**
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* Size in bytes of the Escher stream data
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*
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* @var int
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*/
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private $_dataSize;
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/**
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* Current position of stream pointer in Escher stream data
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*
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* @var int
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*/
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private $_pos;
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/**
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* The object to be returned by the reader. Modified during load.
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*
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* @var mixed
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*/
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private $_object;
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/**
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* Create a new PHPExcel_Reader_Excel5_Escher instance
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*
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* @param mixed $object
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*/
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public function __construct($object)
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{
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$this->_object = $object;
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}
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/**
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* Load Escher stream data. May be a partial Escher stream.
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*
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* @param string $data
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*/
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public function load($data)
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{
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$this->_data = $data;
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// total byte size of Excel data (workbook global substream + sheet substreams)
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$this->_dataSize = strlen($this->_data);
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$this->_pos = 0;
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// Parse Escher stream
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while ($this->_pos < $this->_dataSize) {
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// offset: 2; size: 2: Record Type
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$fbt = PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos + 2);
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switch ($fbt) {
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case self::DGGCONTAINER: $this->_readDggContainer(); break;
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case self::DGG: $this->_readDgg(); break;
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case self::BSTORECONTAINER: $this->_readBstoreContainer(); break;
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case self::BSE: $this->_readBSE(); break;
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case self::BLIPJPEG: $this->_readBlipJPEG(); break;
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case self::BLIPPNG: $this->_readBlipPNG(); break;
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case self::OPT: $this->_readOPT(); break;
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case self::TERTIARYOPT: $this->_readTertiaryOPT(); break;
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case self::SPLITMENUCOLORS: $this->_readSplitMenuColors(); break;
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case self::DGCONTAINER: $this->_readDgContainer(); break;
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case self::DG: $this->_readDg(); break;
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case self::SPGRCONTAINER: $this->_readSpgrContainer(); break;
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case self::SPCONTAINER: $this->_readSpContainer(); break;
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case self::SPGR: $this->_readSpgr(); break;
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case self::SP: $this->_readSp(); break;
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case self::CLIENTTEXTBOX: $this->_readClientTextbox(); break;
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case self::CLIENTANCHOR: $this->_readClientAnchor(); break;
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case self::CLIENTDATA: $this->_readClientData(); break;
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default: $this->_readDefault(); break;
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}
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}
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return $this->_object;
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}
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/**
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* Read a generic record
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*/
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private function _readDefault()
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{
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// offset 0; size: 2; recVer and recInstance
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$verInstance = PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos);
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// offset: 2; size: 2: Record Type
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$fbt = PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos + 2);
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// bit: 0-3; mask: 0x000F; recVer
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$recVer = (0x000F & $verInstance) >> 0;
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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}
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/**
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* Read DggContainer record (Drawing Group Container)
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*/
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private function _readDggContainer()
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{
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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// record is a container, read contents
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$dggContainer = new PHPExcel_Shared_Escher_DggContainer();
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$this->_object->setDggContainer($dggContainer);
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$reader = new PHPExcel_Reader_Excel5_Escher($dggContainer);
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$reader->load($recordData);
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}
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/**
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* Read Dgg record (Drawing Group)
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*/
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private function _readDgg()
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{
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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}
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/**
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* Read BstoreContainer record (Blip Store Container)
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*/
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private function _readBstoreContainer()
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{
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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// record is a container, read contents
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$bstoreContainer = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer();
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$this->_object->setBstoreContainer($bstoreContainer);
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$reader = new PHPExcel_Reader_Excel5_Escher($bstoreContainer);
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$reader->load($recordData);
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}
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/**
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* Read BSE record
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*/
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private function _readBSE()
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{
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// offset: 0; size: 2; recVer and recInstance
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// bit: 4-15; mask: 0xFFF0; recInstance
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos)) >> 4;
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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// add BSE to BstoreContainer
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$BSE = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE();
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$this->_object->addBSE($BSE);
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$BSE->setBLIPType($recInstance);
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// offset: 0; size: 1; btWin32 (MSOBLIPTYPE)
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$btWin32 = ord($recordData[0]);
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// offset: 1; size: 1; btWin32 (MSOBLIPTYPE)
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$btMacOS = ord($recordData[1]);
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// offset: 2; size: 16; MD4 digest
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$rgbUid = substr($recordData, 2, 16);
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// offset: 18; size: 2; tag
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$tag = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 18);
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// offset: 20; size: 4; size of BLIP in bytes
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$size = PHPExcel_Reader_Excel5::_GetInt4d($recordData, 20);
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// offset: 24; size: 4; number of references to this BLIP
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$cRef = PHPExcel_Reader_Excel5::_GetInt4d($recordData, 24);
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// offset: 28; size: 4; MSOFO file offset
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$foDelay = PHPExcel_Reader_Excel5::_GetInt4d($recordData, 28);
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// offset: 32; size: 1; unused1
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$unused1 = ord($recordData{32});
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// offset: 33; size: 1; size of nameData in bytes (including null terminator)
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$cbName = ord($recordData{33});
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// offset: 34; size: 1; unused2
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$unused2 = ord($recordData{34});
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// offset: 35; size: 1; unused3
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$unused3 = ord($recordData{35});
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// offset: 36; size: $cbName; nameData
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$nameData = substr($recordData, 36, $cbName);
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// offset: 36 + $cbName, size: var; the BLIP data
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$blipData = substr($recordData, 36 + $cbName);
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// record is a container, read contents
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$reader = new PHPExcel_Reader_Excel5_Escher($BSE);
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$reader->load($blipData);
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}
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/**
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* Read BlipJPEG record. Holds raw JPEG image data
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*/
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private function _readBlipJPEG()
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{
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// offset: 0; size: 2; recVer and recInstance
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// bit: 4-15; mask: 0xFFF0; recInstance
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos)) >> 4;
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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$pos = 0;
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// offset: 0; size: 16; rgbUid1 (MD4 digest of)
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$rgbUid1 = substr($recordData, 0, 16);
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$pos += 16;
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// offset: 16; size: 16; rgbUid2 (MD4 digest), only if $recInstance = 0x46B or 0x6E3
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if (in_array($recInstance, array(0x046B, 0x06E3))) {
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$rgbUid2 = substr($recordData, 16, 16);
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$pos += 16;
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}
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// offset: var; size: 1; tag
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$tag = ord($recordData{$pos});
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$pos += 1;
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// offset: var; size: var; the raw image data
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$data = substr($recordData, $pos);
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$blip = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
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$blip->setData($data);
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$this->_object->setBlip($blip);
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}
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/**
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* Read BlipPNG record. Holds raw PNG image data
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*/
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private function _readBlipPNG()
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{
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// offset: 0; size: 2; recVer and recInstance
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// bit: 4-15; mask: 0xFFF0; recInstance
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos)) >> 4;
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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$pos = 0;
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// offset: 0; size: 16; rgbUid1 (MD4 digest of)
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$rgbUid1 = substr($recordData, 0, 16);
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$pos += 16;
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// offset: 16; size: 16; rgbUid2 (MD4 digest), only if $recInstance = 0x46B or 0x6E3
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if ($recInstance == 0x06E1) {
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$rgbUid2 = substr($recordData, 16, 16);
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$pos += 16;
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}
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// offset: var; size: 1; tag
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$tag = ord($recordData{$pos});
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$pos += 1;
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// offset: var; size: var; the raw image data
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$data = substr($recordData, $pos);
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$blip = new PHPExcel_Shared_Escher_DggContainer_BstoreContainer_BSE_Blip();
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$blip->setData($data);
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$this->_object->setBlip($blip);
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}
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/**
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* Read OPT record. This record may occur within DggContainer record or SpContainer
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*/
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private function _readOPT()
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{
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// offset: 0; size: 2; recVer and recInstance
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// bit: 4-15; mask: 0xFFF0; recInstance
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos)) >> 4;
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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$this->_readOfficeArtRGFOPTE($recordData, $recInstance);
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}
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/**
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* Read TertiaryOPT record
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*/
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private function _readTertiaryOPT()
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{
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// offset: 0; size: 2; recVer and recInstance
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// bit: 4-15; mask: 0xFFF0; recInstance
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$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos)) >> 4;
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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}
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/**
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* Read SplitMenuColors record
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*/
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private function _readSplitMenuColors()
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{
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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}
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/**
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* Read DgContainer record (Drawing Container)
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*/
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private function _readDgContainer()
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{
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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// record is a container, read contents
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$dgContainer = new PHPExcel_Shared_Escher_DgContainer();
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$this->_object->setDgContainer($dgContainer);
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$reader = new PHPExcel_Reader_Excel5_Escher($dgContainer);
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$escher = $reader->load($recordData);
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}
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/**
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* Read Dg record (Drawing)
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*/
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private function _readDg()
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{
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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}
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/**
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* Read SpgrContainer record (Shape Group Container)
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*/
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private function _readSpgrContainer()
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{
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// context is either context DgContainer or SpgrContainer
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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// record is a container, read contents
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$spgrContainer = new PHPExcel_Shared_Escher_DgContainer_SpgrContainer();
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if ($this->_object instanceof PHPExcel_Shared_Escher_DgContainer) {
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// DgContainer
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$this->_object->setSpgrContainer($spgrContainer);
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} else {
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// SpgrContainer
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$this->_object->addChild($spgrContainer);
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}
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$reader = new PHPExcel_Reader_Excel5_Escher($spgrContainer);
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$escher = $reader->load($recordData);
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}
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/**
|
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* Read SpContainer record (Shape Container)
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*/
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private function _readSpContainer()
|
||||
{
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$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
|
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$recordData = substr($this->_data, $this->_pos + 8, $length);
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// add spContainer to spgrContainer
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$spContainer = new PHPExcel_Shared_Escher_DgContainer_SpgrContainer_SpContainer();
|
||||
$this->_object->addChild($spContainer);
|
||||
|
||||
// move stream pointer to next record
|
||||
$this->_pos += 8 + $length;
|
||||
|
||||
// record is a container, read contents
|
||||
$reader = new PHPExcel_Reader_Excel5_Escher($spContainer);
|
||||
$escher = $reader->load($recordData);
|
||||
}
|
||||
|
||||
/**
|
||||
* Read Spgr record (Shape Group)
|
||||
*/
|
||||
private function _readSpgr()
|
||||
{
|
||||
$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
|
||||
$recordData = substr($this->_data, $this->_pos + 8, $length);
|
||||
|
||||
// move stream pointer to next record
|
||||
$this->_pos += 8 + $length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read Sp record (Shape)
|
||||
*/
|
||||
private function _readSp()
|
||||
{
|
||||
// offset: 0; size: 2; recVer and recInstance
|
||||
|
||||
// bit: 4-15; mask: 0xFFF0; recInstance
|
||||
$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos)) >> 4;
|
||||
|
||||
$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
|
||||
$recordData = substr($this->_data, $this->_pos + 8, $length);
|
||||
|
||||
// move stream pointer to next record
|
||||
$this->_pos += 8 + $length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read ClientTextbox record
|
||||
*/
|
||||
private function _readClientTextbox()
|
||||
{
|
||||
// offset: 0; size: 2; recVer and recInstance
|
||||
|
||||
// bit: 4-15; mask: 0xFFF0; recInstance
|
||||
$recInstance = (0xFFF0 & PHPExcel_Reader_Excel5::_GetInt2d($this->_data, $this->_pos)) >> 4;
|
||||
|
||||
$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
|
||||
$recordData = substr($this->_data, $this->_pos + 8, $length);
|
||||
|
||||
// move stream pointer to next record
|
||||
$this->_pos += 8 + $length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read ClientAnchor record. This record holds information about where the shape is anchored in worksheet
|
||||
*/
|
||||
private function _readClientAnchor()
|
||||
{
|
||||
$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
|
||||
$recordData = substr($this->_data, $this->_pos + 8, $length);
|
||||
|
||||
// move stream pointer to next record
|
||||
$this->_pos += 8 + $length;
|
||||
|
||||
// offset: 2; size: 2; upper-left corner column index (0-based)
|
||||
$c1 = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 2);
|
||||
|
||||
// offset: 4; size: 2; upper-left corner horizontal offset in 1/1024 of column width
|
||||
$startOffsetX = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 4);
|
||||
|
||||
// offset: 6; size: 2; upper-left corner row index (0-based)
|
||||
$r1 = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 6);
|
||||
|
||||
// offset: 8; size: 2; upper-left corner vertical offset in 1/256 of row height
|
||||
$startOffsetY = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 8);
|
||||
|
||||
// offset: 10; size: 2; bottom-right corner column index (0-based)
|
||||
$c2 = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 10);
|
||||
|
||||
// offset: 12; size: 2; bottom-right corner horizontal offset in 1/1024 of column width
|
||||
$endOffsetX = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 12);
|
||||
|
||||
// offset: 14; size: 2; bottom-right corner row index (0-based)
|
||||
$r2 = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 14);
|
||||
|
||||
// offset: 16; size: 2; bottom-right corner vertical offset in 1/256 of row height
|
||||
$endOffsetY = PHPExcel_Reader_Excel5::_GetInt2d($recordData, 16);
|
||||
|
||||
// set the start coordinates
|
||||
$this->_object->setStartCoordinates(PHPExcel_Cell::stringFromColumnIndex($c1) . ($r1 + 1));
|
||||
|
||||
// set the start offsetX
|
||||
$this->_object->setStartOffsetX($startOffsetX);
|
||||
|
||||
// set the start offsetY
|
||||
$this->_object->setStartOffsetY($startOffsetY);
|
||||
|
||||
// set the end coordinates
|
||||
$this->_object->setEndCoordinates(PHPExcel_Cell::stringFromColumnIndex($c2) . ($r2 + 1));
|
||||
|
||||
// set the end offsetX
|
||||
$this->_object->setEndOffsetX($endOffsetX);
|
||||
|
||||
// set the end offsetY
|
||||
$this->_object->setEndOffsetY($endOffsetY);
|
||||
}
|
||||
|
||||
/**
|
||||
* Read ClientData record
|
||||
*/
|
||||
private function _readClientData()
|
||||
{
|
||||
$length = PHPExcel_Reader_Excel5::_GetInt4d($this->_data, $this->_pos + 4);
|
||||
$recordData = substr($this->_data, $this->_pos + 8, $length);
|
||||
|
||||
// move stream pointer to next record
|
||||
$this->_pos += 8 + $length;
|
||||
}
|
||||
|
||||
/**
|
||||
* Read OfficeArtRGFOPTE table of property-value pairs
|
||||
*
|
||||
* @param string $data Binary data
|
||||
* @param int $n Number of properties
|
||||
*/
|
||||
private function _readOfficeArtRGFOPTE($data, $n) {
|
||||
|
||||
$splicedComplexData = substr($data, 6 * $n);
|
||||
|
||||
// loop through property-value pairs
|
||||
for ($i = 0; $i < $n; ++$i) {
|
||||
// read 6 bytes at a time
|
||||
$fopte = substr($data, 6 * $i, 6);
|
||||
|
||||
// offset: 0; size: 2; opid
|
||||
$opid = PHPExcel_Reader_Excel5::_GetInt2d($fopte, 0);
|
||||
|
||||
// bit: 0-13; mask: 0x3FFF; opid.opid
|
||||
$opidOpid = (0x3FFF & $opid) >> 0;
|
||||
|
||||
// bit: 14; mask 0x4000; 1 = value in op field is BLIP identifier
|
||||
$opidFBid = (0x4000 & $opid) >> 14;
|
||||
|
||||
// bit: 15; mask 0x8000; 1 = this is a complex property, op field specifies size of complex data
|
||||
$opidFComplex = (0x8000 & $opid) >> 15;
|
||||
|
||||
// offset: 2; size: 4; the value for this property
|
||||
$op = PHPExcel_Reader_Excel5::_GetInt4d($fopte, 2);
|
||||
|
||||
if ($opidFComplex) {
|
||||
$complexData = substr($splicedComplexData, 0, $op);
|
||||
$splicedComplexData = substr($splicedComplexData, $op);
|
||||
|
||||
// we store string value with complex data
|
||||
$value = $complexData;
|
||||
} else {
|
||||
// we store integer value
|
||||
$value = $op;
|
||||
}
|
||||
|
||||
$this->_object->setOPT($opidOpid, $value);
|
||||
}
|
||||
}
|
||||
|
||||
}
|
||||
|
|
@ -0,0 +1,221 @@
|
|||
<?php
|
||||
/**
|
||||
* PHPExcel
|
||||
*
|
||||
* Copyright (c) 2006 - 2014 PHPExcel
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* @category PHPExcel
|
||||
* @package PHPExcel_Reader_Excel5
|
||||
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
|
||||
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
|
||||
* @version ##VERSION##, ##DATE##
|
||||
*/
|
||||
|
||||
|
||||
/**
|
||||
* PHPExcel_Reader_Excel5_MD5
|
||||
*
|
||||
* @category PHPExcel
|
||||
* @package PHPExcel_Reader_Excel5
|
||||
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
|
||||
*/
|
||||
class PHPExcel_Reader_Excel5_MD5
|
||||
{
|
||||
// Context
|
||||
private $a;
|
||||
private $b;
|
||||
private $c;
|
||||
private $d;
|
||||
|
||||
|
||||
/**
|
||||
* MD5 stream constructor
|
||||
*/
|
||||
public function __construct()
|
||||
{
|
||||
$this->reset();
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Reset the MD5 stream context
|
||||
*/
|
||||
public function reset()
|
||||
{
|
||||
$this->a = 0x67452301;
|
||||
$this->b = 0xEFCDAB89;
|
||||
$this->c = 0x98BADCFE;
|
||||
$this->d = 0x10325476;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Get MD5 stream context
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function getContext()
|
||||
{
|
||||
$s = '';
|
||||
foreach (array('a', 'b', 'c', 'd') as $i) {
|
||||
$v = $this->{$i};
|
||||
$s .= chr($v & 0xff);
|
||||
$s .= chr(($v >> 8) & 0xff);
|
||||
$s .= chr(($v >> 16) & 0xff);
|
||||
$s .= chr(($v >> 24) & 0xff);
|
||||
}
|
||||
|
||||
return $s;
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
* Add data to context
|
||||
*
|
||||
* @param string $data Data to add
|
||||
*/
|
||||
public function add($data)
|
||||
{
|
||||
$words = array_values(unpack('V16', $data));
|
||||
|
||||
$A = $this->a;
|
||||
$B = $this->b;
|
||||
$C = $this->c;
|
||||
$D = $this->d;
|
||||
|
||||
$F = array('PHPExcel_Reader_Excel5_MD5','F');
|
||||
$G = array('PHPExcel_Reader_Excel5_MD5','G');
|
||||
$H = array('PHPExcel_Reader_Excel5_MD5','H');
|
||||
$I = array('PHPExcel_Reader_Excel5_MD5','I');
|
||||
|
||||
/* ROUND 1 */
|
||||
self::step($F, $A, $B, $C, $D, $words[0], 7, 0xd76aa478);
|
||||
self::step($F, $D, $A, $B, $C, $words[1], 12, 0xe8c7b756);
|
||||
self::step($F, $C, $D, $A, $B, $words[2], 17, 0x242070db);
|
||||
self::step($F, $B, $C, $D, $A, $words[3], 22, 0xc1bdceee);
|
||||
self::step($F, $A, $B, $C, $D, $words[4], 7, 0xf57c0faf);
|
||||
self::step($F, $D, $A, $B, $C, $words[5], 12, 0x4787c62a);
|
||||
self::step($F, $C, $D, $A, $B, $words[6], 17, 0xa8304613);
|
||||
self::step($F, $B, $C, $D, $A, $words[7], 22, 0xfd469501);
|
||||
self::step($F, $A, $B, $C, $D, $words[8], 7, 0x698098d8);
|
||||
self::step($F, $D, $A, $B, $C, $words[9], 12, 0x8b44f7af);
|
||||
self::step($F, $C, $D, $A, $B, $words[10], 17, 0xffff5bb1);
|
||||
self::step($F, $B, $C, $D, $A, $words[11], 22, 0x895cd7be);
|
||||
self::step($F, $A, $B, $C, $D, $words[12], 7, 0x6b901122);
|
||||
self::step($F, $D, $A, $B, $C, $words[13], 12, 0xfd987193);
|
||||
self::step($F, $C, $D, $A, $B, $words[14], 17, 0xa679438e);
|
||||
self::step($F, $B, $C, $D, $A, $words[15], 22, 0x49b40821);
|
||||
|
||||
/* ROUND 2 */
|
||||
self::step($G, $A, $B, $C, $D, $words[1], 5, 0xf61e2562);
|
||||
self::step($G, $D, $A, $B, $C, $words[6], 9, 0xc040b340);
|
||||
self::step($G, $C, $D, $A, $B, $words[11], 14, 0x265e5a51);
|
||||
self::step($G, $B, $C, $D, $A, $words[0], 20, 0xe9b6c7aa);
|
||||
self::step($G, $A, $B, $C, $D, $words[5], 5, 0xd62f105d);
|
||||
self::step($G, $D, $A, $B, $C, $words[10], 9, 0x02441453);
|
||||
self::step($G, $C, $D, $A, $B, $words[15], 14, 0xd8a1e681);
|
||||
self::step($G, $B, $C, $D, $A, $words[4], 20, 0xe7d3fbc8);
|
||||
self::step($G, $A, $B, $C, $D, $words[9], 5, 0x21e1cde6);
|
||||
self::step($G, $D, $A, $B, $C, $words[14], 9, 0xc33707d6);
|
||||
self::step($G, $C, $D, $A, $B, $words[3], 14, 0xf4d50d87);
|
||||
self::step($G, $B, $C, $D, $A, $words[8], 20, 0x455a14ed);
|
||||
self::step($G, $A, $B, $C, $D, $words[13], 5, 0xa9e3e905);
|
||||
self::step($G, $D, $A, $B, $C, $words[2], 9, 0xfcefa3f8);
|
||||
self::step($G, $C, $D, $A, $B, $words[7], 14, 0x676f02d9);
|
||||
self::step($G, $B, $C, $D, $A, $words[12], 20, 0x8d2a4c8a);
|
||||
|
||||
/* ROUND 3 */
|
||||
self::step($H, $A, $B, $C, $D, $words[5], 4, 0xfffa3942);
|
||||
self::step($H, $D, $A, $B, $C, $words[8], 11, 0x8771f681);
|
||||
self::step($H, $C, $D, $A, $B, $words[11], 16, 0x6d9d6122);
|
||||
self::step($H, $B, $C, $D, $A, $words[14], 23, 0xfde5380c);
|
||||
self::step($H, $A, $B, $C, $D, $words[1], 4, 0xa4beea44);
|
||||
self::step($H, $D, $A, $B, $C, $words[4], 11, 0x4bdecfa9);
|
||||
self::step($H, $C, $D, $A, $B, $words[7], 16, 0xf6bb4b60);
|
||||
self::step($H, $B, $C, $D, $A, $words[10], 23, 0xbebfbc70);
|
||||
self::step($H, $A, $B, $C, $D, $words[13], 4, 0x289b7ec6);
|
||||
self::step($H, $D, $A, $B, $C, $words[0], 11, 0xeaa127fa);
|
||||
self::step($H, $C, $D, $A, $B, $words[3], 16, 0xd4ef3085);
|
||||
self::step($H, $B, $C, $D, $A, $words[6], 23, 0x04881d05);
|
||||
self::step($H, $A, $B, $C, $D, $words[9], 4, 0xd9d4d039);
|
||||
self::step($H, $D, $A, $B, $C, $words[12], 11, 0xe6db99e5);
|
||||
self::step($H, $C, $D, $A, $B, $words[15], 16, 0x1fa27cf8);
|
||||
self::step($H, $B, $C, $D, $A, $words[2], 23, 0xc4ac5665);
|
||||
|
||||
/* ROUND 4 */
|
||||
self::step($I, $A, $B, $C, $D, $words[0], 6, 0xf4292244);
|
||||
self::step($I, $D, $A, $B, $C, $words[7], 10, 0x432aff97);
|
||||
self::step($I, $C, $D, $A, $B, $words[14], 15, 0xab9423a7);
|
||||
self::step($I, $B, $C, $D, $A, $words[5], 21, 0xfc93a039);
|
||||
self::step($I, $A, $B, $C, $D, $words[12], 6, 0x655b59c3);
|
||||
self::step($I, $D, $A, $B, $C, $words[3], 10, 0x8f0ccc92);
|
||||
self::step($I, $C, $D, $A, $B, $words[10], 15, 0xffeff47d);
|
||||
self::step($I, $B, $C, $D, $A, $words[1], 21, 0x85845dd1);
|
||||
self::step($I, $A, $B, $C, $D, $words[8], 6, 0x6fa87e4f);
|
||||
self::step($I, $D, $A, $B, $C, $words[15], 10, 0xfe2ce6e0);
|
||||
self::step($I, $C, $D, $A, $B, $words[6], 15, 0xa3014314);
|
||||
self::step($I, $B, $C, $D, $A, $words[13], 21, 0x4e0811a1);
|
||||
self::step($I, $A, $B, $C, $D, $words[4], 6, 0xf7537e82);
|
||||
self::step($I, $D, $A, $B, $C, $words[11], 10, 0xbd3af235);
|
||||
self::step($I, $C, $D, $A, $B, $words[2], 15, 0x2ad7d2bb);
|
||||
self::step($I, $B, $C, $D, $A, $words[9], 21, 0xeb86d391);
|
||||
|
||||
$this->a = ($this->a + $A) & 0xffffffff;
|
||||
$this->b = ($this->b + $B) & 0xffffffff;
|
||||
$this->c = ($this->c + $C) & 0xffffffff;
|
||||
$this->d = ($this->d + $D) & 0xffffffff;
|
||||
}
|
||||
|
||||
|
||||
private static function F($X, $Y, $Z)
|
||||
{
|
||||
return (($X & $Y) | ((~ $X) & $Z)); // X AND Y OR NOT X AND Z
|
||||
}
|
||||
|
||||
|
||||
private static function G($X, $Y, $Z)
|
||||
{
|
||||
return (($X & $Z) | ($Y & (~ $Z))); // X AND Z OR Y AND NOT Z
|
||||
}
|
||||
|
||||
|
||||
private static function H($X, $Y, $Z)
|
||||
{
|
||||
return ($X ^ $Y ^ $Z); // X XOR Y XOR Z
|
||||
}
|
||||
|
||||
|
||||
private static function I($X, $Y, $Z)
|
||||
{
|
||||
return ($Y ^ ($X | (~ $Z))) ; // Y XOR (X OR NOT Z)
|
||||
}
|
||||
|
||||
|
||||
private static function step($func, &$A, $B, $C, $D, $M, $s, $t)
|
||||
{
|
||||
$A = ($A + call_user_func($func, $B, $C, $D) + $M + $t) & 0xffffffff;
|
||||
$A = self::rotate($A, $s);
|
||||
$A = ($B + $A) & 0xffffffff;
|
||||
}
|
||||
|
||||
|
||||
private static function rotate($decimal, $bits)
|
||||
{
|
||||
$binary = str_pad(decbin($decimal), 32, "0", STR_PAD_LEFT);
|
||||
return bindec(substr($binary, $bits).substr($binary, 0, $bits));
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,88 @@
|
|||
<?php
|
||||
/**
|
||||
* PHPExcel
|
||||
*
|
||||
* Copyright (c) 2006 - 2014 PHPExcel
|
||||
*
|
||||
* This library is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* This library is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with this library; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*
|
||||
* @category PHPExcel
|
||||
* @package PHPExcel_Reader_Excel5
|
||||
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
|
||||
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
|
||||
* @version ##VERSION##, ##DATE##
|
||||
*/
|
||||
|
||||
/**
|
||||
* PHPExcel_Reader_Excel5_RC4
|
||||
*
|
||||
* @category PHPExcel
|
||||
* @package PHPExcel_Reader_Excel5
|
||||
* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
|
||||
*/
|
||||
class PHPExcel_Reader_Excel5_RC4
|
||||
{
|
||||
// Context
|
||||
var $s = array();
|
||||
var $i = 0;
|
||||
var $j = 0;
|
||||
|
||||
/**
|
||||
* RC4 stream decryption/encryption constrcutor
|
||||
*
|
||||
* @param string $key Encryption key/passphrase
|
||||
*/
|
||||
public function __construct($key)
|
||||
{
|
||||
$len = strlen($key);
|
||||
|
||||
for ($this->i = 0; $this->i < 256; $this->i++) {
|
||||
$this->s[$this->i] = $this->i;
|
||||
}
|
||||
|
||||
$this->j = 0;
|
||||
for ($this->i = 0; $this->i < 256; $this->i++) {
|
||||
$this->j = ($this->j + $this->s[$this->i] + ord($key[$this->i % $len])) % 256;
|
||||
$t = $this->s[$this->i];
|
||||
$this->s[$this->i] = $this->s[$this->j];
|
||||
$this->s[$this->j] = $t;
|
||||
}
|
||||
$this->i = $this->j = 0;
|
||||
}
|
||||
|
||||
/**
|
||||
* Symmetric decryption/encryption function
|
||||
*
|
||||
* @param string $data Data to encrypt/decrypt
|
||||
*
|
||||
* @return string
|
||||
*/
|
||||
public function RC4($data)
|
||||
{
|
||||
$len = strlen($data);
|
||||
for ($c = 0; $c < $len; $c++) {
|
||||
$this->i = ($this->i + 1) % 256;
|
||||
$this->j = ($this->j + $this->s[$this->i]) % 256;
|
||||
$t = $this->s[$this->i];
|
||||
$this->s[$this->i] = $this->s[$this->j];
|
||||
$this->s[$this->j] = $t;
|
||||
|
||||
$t = ($this->s[$this->i] + $this->s[$this->j]) % 256;
|
||||
|
||||
$data[$c] = chr(ord($data[$c]) ^ $this->s[$t]);
|
||||
}
|
||||
return $data;
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue