ccbb28167b
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@66338 2327b42d-5241-43d6-9e2a-de5ac946f064
641 lines
18 KiB
PHP
641 lines
18 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2011 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 - 2011 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 - 2011 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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{
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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();
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$this->_object->addChild($spContainer);
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// move stream pointer to next record
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$this->_pos += 8 + $length;
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// record is a container, read contents
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$reader = new PHPExcel_Reader_Excel5_Escher($spContainer);
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$escher = $reader->load($recordData);
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}
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/**
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* Read Spgr record (Shape Group)
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*/
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private function _readSpgr()
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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 + $length;
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}
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/**
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* Read Sp record (Shape)
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*/
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private function _readSp()
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{
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// offset: 0; size: 2; recVer and recInstance
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// bit: 4-15; mask: 0xFFF0; recInstance
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$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);
|
|
$recordData = substr($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);
|
|
}
|
|
}
|
|
|
|
}
|