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1444 lines
52 KiB
1444 lines
52 KiB
<?php
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/**
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* PHPExcel_Writer_Excel5_Workbook
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*
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* Copyright (c) 2006 - 2015 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_Writer_Excel5
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* @copyright Copyright (c) 2006 - 2015 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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// Original file header of PEAR::Spreadsheet_Excel_Writer_Workbook (used as the base for this class):
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// -----------------------------------------------------------------------------------------
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// /*
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// * Module written/ported by Xavier Noguer <[email protected]>
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// *
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// * The majority of this is _NOT_ my code. I simply ported it from the
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// * PERL Spreadsheet::WriteExcel module.
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// *
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// * The author of the Spreadsheet::WriteExcel module is John McNamara
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// * <[email protected]>
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// *
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// * I _DO_ maintain this code, and John McNamara has nothing to do with the
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// * porting of this code to PHP. Any questions directly related to this
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// * class library should be directed to me.
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// *
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// * License Information:
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// *
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// * Spreadsheet_Excel_Writer: A library for generating Excel Spreadsheets
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// * Copyright (c) 2002-2003 Xavier Noguer [email protected]
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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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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// */
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class PHPExcel_Writer_Excel5_Workbook extends PHPExcel_Writer_Excel5_BIFFwriter
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{
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/**
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* Formula parser
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*
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* @var PHPExcel_Writer_Excel5_Parser
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*/
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private $parser;
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/**
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* The BIFF file size for the workbook.
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* @var integer
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* @see calcSheetOffsets()
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*/
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private $biffSize;
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/**
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* XF Writers
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* @var PHPExcel_Writer_Excel5_Xf[]
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*/
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private $xfWriters = array();
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/**
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* Array containing the colour palette
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* @var array
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*/
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private $palette;
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/**
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* The codepage indicates the text encoding used for strings
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* @var integer
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*/
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private $codepage;
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/**
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* The country code used for localization
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* @var integer
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*/
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private $countryCode;
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/**
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* Workbook
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* @var PHPExcel
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*/
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private $phpExcel;
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/**
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* Fonts writers
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*
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* @var PHPExcel_Writer_Excel5_Font[]
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*/
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private $fontWriters = array();
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/**
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* Added fonts. Maps from font's hash => index in workbook
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*
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* @var array
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*/
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private $addedFonts = array();
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/**
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* Shared number formats
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*
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* @var array
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*/
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private $numberFormats = array();
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/**
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* Added number formats. Maps from numberFormat's hash => index in workbook
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*
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* @var array
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*/
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private $addedNumberFormats = array();
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/**
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* Sizes of the binary worksheet streams
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*
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* @var array
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*/
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private $worksheetSizes = array();
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/**
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* Offsets of the binary worksheet streams relative to the start of the global workbook stream
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*
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* @var array
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*/
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private $worksheetOffsets = array();
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/**
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* Total number of shared strings in workbook
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*
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* @var int
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*/
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private $stringTotal;
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/**
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* Number of unique shared strings in workbook
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*
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* @var int
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*/
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private $stringUnique;
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/**
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* Array of unique shared strings in workbook
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*
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* @var array
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*/
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private $stringTable;
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/**
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* Color cache
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*/
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private $colors;
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/**
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* Escher object corresponding to MSODRAWINGGROUP
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*
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* @var PHPExcel_Shared_Escher
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*/
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private $escher;
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/**
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* Class constructor
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*
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* @param PHPExcel $phpExcel The Workbook
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* @param int &$str_total Total number of strings
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* @param int &$str_unique Total number of unique strings
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* @param array &$str_table String Table
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* @param array &$colors Colour Table
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* @param mixed $parser The formula parser created for the Workbook
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*/
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public function __construct(PHPExcel $phpExcel = null, &$str_total, &$str_unique, &$str_table, &$colors, $parser)
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{
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// It needs to call its parent's constructor explicitly
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parent::__construct();
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$this->parser = $parser;
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$this->biffSize = 0;
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$this->palette = array();
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$this->countryCode = -1;
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$this->stringTotal = &$str_total;
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$this->stringUnique = &$str_unique;
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$this->stringTable = &$str_table;
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$this->colors = &$colors;
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$this->setPaletteXl97();
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$this->phpExcel = $phpExcel;
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// set BIFFwriter limit for CONTINUE records
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// $this->_limit = 8224;
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$this->codepage = 0x04B0;
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// Add empty sheets and Build color cache
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$countSheets = $phpExcel->getSheetCount();
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for ($i = 0; $i < $countSheets; ++$i) {
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$phpSheet = $phpExcel->getSheet($i);
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$this->parser->setExtSheet($phpSheet->getTitle(), $i); // Register worksheet name with parser
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$supbook_index = 0x00;
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$ref = pack('vvv', $supbook_index, $i, $i);
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$this->parser->references[] = $ref; // Register reference with parser
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// Sheet tab colors?
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if ($phpSheet->isTabColorSet()) {
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$this->addColor($phpSheet->getTabColor()->getRGB());
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}
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}
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}
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/**
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* Add a new XF writer
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*
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* @param PHPExcel_Style
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* @param boolean Is it a style XF?
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* @return int Index to XF record
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*/
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public function addXfWriter($style, $isStyleXf = false)
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{
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$xfWriter = new PHPExcel_Writer_Excel5_Xf($style);
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$xfWriter->setIsStyleXf($isStyleXf);
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// Add the font if not already added
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$fontIndex = $this->addFont($style->getFont());
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// Assign the font index to the xf record
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$xfWriter->setFontIndex($fontIndex);
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// Background colors, best to treat these after the font so black will come after white in custom palette
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$xfWriter->setFgColor($this->addColor($style->getFill()->getStartColor()->getRGB()));
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$xfWriter->setBgColor($this->addColor($style->getFill()->getEndColor()->getRGB()));
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$xfWriter->setBottomColor($this->addColor($style->getBorders()->getBottom()->getColor()->getRGB()));
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$xfWriter->setTopColor($this->addColor($style->getBorders()->getTop()->getColor()->getRGB()));
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$xfWriter->setRightColor($this->addColor($style->getBorders()->getRight()->getColor()->getRGB()));
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$xfWriter->setLeftColor($this->addColor($style->getBorders()->getLeft()->getColor()->getRGB()));
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$xfWriter->setDiagColor($this->addColor($style->getBorders()->getDiagonal()->getColor()->getRGB()));
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// Add the number format if it is not a built-in one and not already added
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if ($style->getNumberFormat()->getBuiltInFormatCode() === false) {
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$numberFormatHashCode = $style->getNumberFormat()->getHashCode();
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if (isset($this->addedNumberFormats[$numberFormatHashCode])) {
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$numberFormatIndex = $this->addedNumberFormats[$numberFormatHashCode];
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} else {
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$numberFormatIndex = 164 + count($this->numberFormats);
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$this->numberFormats[$numberFormatIndex] = $style->getNumberFormat();
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$this->addedNumberFormats[$numberFormatHashCode] = $numberFormatIndex;
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}
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} else {
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$numberFormatIndex = (int) $style->getNumberFormat()->getBuiltInFormatCode();
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}
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// Assign the number format index to xf record
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$xfWriter->setNumberFormatIndex($numberFormatIndex);
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$this->xfWriters[] = $xfWriter;
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$xfIndex = count($this->xfWriters) - 1;
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return $xfIndex;
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}
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/**
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* Add a font to added fonts
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*
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* @param PHPExcel_Style_Font $font
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* @return int Index to FONT record
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*/
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public function addFont(PHPExcel_Style_Font $font)
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{
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$fontHashCode = $font->getHashCode();
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if (isset($this->addedFonts[$fontHashCode])) {
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$fontIndex = $this->addedFonts[$fontHashCode];
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} else {
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$countFonts = count($this->fontWriters);
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$fontIndex = ($countFonts < 4) ? $countFonts : $countFonts + 1;
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$fontWriter = new PHPExcel_Writer_Excel5_Font($font);
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$fontWriter->setColorIndex($this->addColor($font->getColor()->getRGB()));
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$this->fontWriters[] = $fontWriter;
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$this->addedFonts[$fontHashCode] = $fontIndex;
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}
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return $fontIndex;
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}
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/**
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* Alter color palette adding a custom color
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*
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* @param string $rgb E.g. 'FF00AA'
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* @return int Color index
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*/
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private function addColor($rgb)
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{
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if (!isset($this->colors[$rgb])) {
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if (count($this->colors) < 57) {
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// then we add a custom color altering the palette
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$colorIndex = 8 + count($this->colors);
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$this->palette[$colorIndex] =
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array(
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hexdec(substr($rgb, 0, 2)),
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hexdec(substr($rgb, 2, 2)),
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hexdec(substr($rgb, 4)),
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0
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);
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$this->colors[$rgb] = $colorIndex;
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} else {
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// no room for more custom colors, just map to black
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$colorIndex = 0;
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}
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} else {
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// fetch already added custom color
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$colorIndex = $this->colors[$rgb];
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}
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return $colorIndex;
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}
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/**
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* Sets the colour palette to the Excel 97+ default.
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*
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* @access private
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*/
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private function setPaletteXl97()
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{
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$this->palette = array(
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0x08 => array(0x00, 0x00, 0x00, 0x00),
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0x09 => array(0xff, 0xff, 0xff, 0x00),
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0x0A => array(0xff, 0x00, 0x00, 0x00),
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0x0B => array(0x00, 0xff, 0x00, 0x00),
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0x0C => array(0x00, 0x00, 0xff, 0x00),
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0x0D => array(0xff, 0xff, 0x00, 0x00),
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0x0E => array(0xff, 0x00, 0xff, 0x00),
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0x0F => array(0x00, 0xff, 0xff, 0x00),
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0x10 => array(0x80, 0x00, 0x00, 0x00),
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0x11 => array(0x00, 0x80, 0x00, 0x00),
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0x12 => array(0x00, 0x00, 0x80, 0x00),
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0x13 => array(0x80, 0x80, 0x00, 0x00),
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0x14 => array(0x80, 0x00, 0x80, 0x00),
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0x15 => array(0x00, 0x80, 0x80, 0x00),
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0x16 => array(0xc0, 0xc0, 0xc0, 0x00),
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0x17 => array(0x80, 0x80, 0x80, 0x00),
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0x18 => array(0x99, 0x99, 0xff, 0x00),
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0x19 => array(0x99, 0x33, 0x66, 0x00),
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0x1A => array(0xff, 0xff, 0xcc, 0x00),
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0x1B => array(0xcc, 0xff, 0xff, 0x00),
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0x1C => array(0x66, 0x00, 0x66, 0x00),
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0x1D => array(0xff, 0x80, 0x80, 0x00),
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0x1E => array(0x00, 0x66, 0xcc, 0x00),
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0x1F => array(0xcc, 0xcc, 0xff, 0x00),
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0x20 => array(0x00, 0x00, 0x80, 0x00),
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0x21 => array(0xff, 0x00, 0xff, 0x00),
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0x22 => array(0xff, 0xff, 0x00, 0x00),
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0x23 => array(0x00, 0xff, 0xff, 0x00),
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0x24 => array(0x80, 0x00, 0x80, 0x00),
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0x25 => array(0x80, 0x00, 0x00, 0x00),
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0x26 => array(0x00, 0x80, 0x80, 0x00),
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0x27 => array(0x00, 0x00, 0xff, 0x00),
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0x28 => array(0x00, 0xcc, 0xff, 0x00),
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0x29 => array(0xcc, 0xff, 0xff, 0x00),
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0x2A => array(0xcc, 0xff, 0xcc, 0x00),
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0x2B => array(0xff, 0xff, 0x99, 0x00),
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0x2C => array(0x99, 0xcc, 0xff, 0x00),
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0x2D => array(0xff, 0x99, 0xcc, 0x00),
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0x2E => array(0xcc, 0x99, 0xff, 0x00),
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0x2F => array(0xff, 0xcc, 0x99, 0x00),
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0x30 => array(0x33, 0x66, 0xff, 0x00),
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0x31 => array(0x33, 0xcc, 0xcc, 0x00),
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0x32 => array(0x99, 0xcc, 0x00, 0x00),
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0x33 => array(0xff, 0xcc, 0x00, 0x00),
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0x34 => array(0xff, 0x99, 0x00, 0x00),
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0x35 => array(0xff, 0x66, 0x00, 0x00),
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0x36 => array(0x66, 0x66, 0x99, 0x00),
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0x37 => array(0x96, 0x96, 0x96, 0x00),
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0x38 => array(0x00, 0x33, 0x66, 0x00),
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0x39 => array(0x33, 0x99, 0x66, 0x00),
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0x3A => array(0x00, 0x33, 0x00, 0x00),
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0x3B => array(0x33, 0x33, 0x00, 0x00),
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0x3C => array(0x99, 0x33, 0x00, 0x00),
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0x3D => array(0x99, 0x33, 0x66, 0x00),
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0x3E => array(0x33, 0x33, 0x99, 0x00),
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0x3F => array(0x33, 0x33, 0x33, 0x00),
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);
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}
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/**
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* Assemble worksheets into a workbook and send the BIFF data to an OLE
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* storage.
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*
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* @param array $pWorksheetSizes The sizes in bytes of the binary worksheet streams
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* @return string Binary data for workbook stream
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*/
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public function writeWorkbook($pWorksheetSizes = null)
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{
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$this->worksheetSizes = $pWorksheetSizes;
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// Calculate the number of selected worksheet tabs and call the finalization
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// methods for each worksheet
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$total_worksheets = $this->phpExcel->getSheetCount();
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// Add part 1 of the Workbook globals, what goes before the SHEET records
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$this->storeBof(0x0005);
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$this->writeCodepage();
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$this->writeWindow1();
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$this->writeDateMode();
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$this->writeAllFonts();
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$this->writeAllNumberFormats();
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$this->writeAllXfs();
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$this->writeAllStyles();
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$this->writePalette();
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// Prepare part 3 of the workbook global stream, what goes after the SHEET records
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$part3 = '';
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if ($this->countryCode != -1) {
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$part3 .= $this->writeCountry();
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}
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$part3 .= $this->writeRecalcId();
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$part3 .= $this->writeSupbookInternal();
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/* TODO: store external SUPBOOK records and XCT and CRN records
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in case of external references for BIFF8 */
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$part3 .= $this->writeExternalsheetBiff8();
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$part3 .= $this->writeAllDefinedNamesBiff8();
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$part3 .= $this->writeMsoDrawingGroup();
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$part3 .= $this->writeSharedStringsTable();
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$part3 .= $this->writeEof();
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// Add part 2 of the Workbook globals, the SHEET records
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$this->calcSheetOffsets();
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for ($i = 0; $i < $total_worksheets; ++$i) {
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$this->writeBoundSheet($this->phpExcel->getSheet($i), $this->worksheetOffsets[$i]);
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}
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// Add part 3 of the Workbook globals
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$this->_data .= $part3;
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return $this->_data;
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}
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|
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/**
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* Calculate offsets for Worksheet BOF records.
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*
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* @access private
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*/
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private function calcSheetOffsets()
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{
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$boundsheet_length = 10; // fixed length for a BOUNDSHEET record
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// size of Workbook globals part 1 + 3
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$offset = $this->_datasize;
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// add size of Workbook globals part 2, the length of the SHEET records
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$total_worksheets = count($this->phpExcel->getAllSheets());
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foreach ($this->phpExcel->getWorksheetIterator() as $sheet) {
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$offset += $boundsheet_length + strlen(PHPExcel_Shared_String::UTF8toBIFF8UnicodeShort($sheet->getTitle()));
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}
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|
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// add the sizes of each of the Sheet substreams, respectively
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for ($i = 0; $i < $total_worksheets; ++$i) {
|
|
$this->worksheetOffsets[$i] = $offset;
|
|
$offset += $this->worksheetSizes[$i];
|
|
}
|
|
$this->biffSize = $offset;
|
|
}
|
|
|
|
/**
|
|
* Store the Excel FONT records.
|
|
*/
|
|
private function writeAllFonts()
|
|
{
|
|
foreach ($this->fontWriters as $fontWriter) {
|
|
$this->append($fontWriter->writeFont());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Store user defined numerical formats i.e. FORMAT records
|
|
*/
|
|
private function writeAllNumberFormats()
|
|
{
|
|
foreach ($this->numberFormats as $numberFormatIndex => $numberFormat) {
|
|
$this->writeNumberFormat($numberFormat->getFormatCode(), $numberFormatIndex);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Write all XF records.
|
|
*/
|
|
private function writeAllXfs()
|
|
{
|
|
foreach ($this->xfWriters as $xfWriter) {
|
|
$this->append($xfWriter->writeXf());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Write all STYLE records.
|
|
*/
|
|
private function writeAllStyles()
|
|
{
|
|
$this->writeStyle();
|
|
}
|
|
|
|
/**
|
|
* Write the EXTERNCOUNT and EXTERNSHEET records. These are used as indexes for
|
|
* the NAME records.
|
|
*/
|
|
private function writeExternals()
|
|
{
|
|
$countSheets = $this->phpExcel->getSheetCount();
|
|
// Create EXTERNCOUNT with number of worksheets
|
|
$this->writeExternalCount($countSheets);
|
|
|
|
// Create EXTERNSHEET for each worksheet
|
|
for ($i = 0; $i < $countSheets; ++$i) {
|
|
$this->writeExternalSheet($this->phpExcel->getSheet($i)->getTitle());
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Write the NAME record to define the print area and the repeat rows and cols.
|
|
*/
|
|
private function writeNames()
|
|
{
|
|
// total number of sheets
|
|
$total_worksheets = $this->phpExcel->getSheetCount();
|
|
|
|
// Create the print area NAME records
|
|
for ($i = 0; $i < $total_worksheets; ++$i) {
|
|
$sheetSetup = $this->phpExcel->getSheet($i)->getPageSetup();
|
|
// Write a Name record if the print area has been defined
|
|
if ($sheetSetup->isPrintAreaSet()) {
|
|
// Print area
|
|
$printArea = PHPExcel_Cell::splitRange($sheetSetup->getPrintArea());
|
|
$printArea = $printArea[0];
|
|
$printArea[0] = PHPExcel_Cell::coordinateFromString($printArea[0]);
|
|
$printArea[1] = PHPExcel_Cell::coordinateFromString($printArea[1]);
|
|
|
|
$print_rowmin = $printArea[0][1] - 1;
|
|
$print_rowmax = $printArea[1][1] - 1;
|
|
$print_colmin = PHPExcel_Cell::columnIndexFromString($printArea[0][0]) - 1;
|
|
$print_colmax = PHPExcel_Cell::columnIndexFromString($printArea[1][0]) - 1;
|
|
|
|
$this->writeNameShort(
|
|
$i, // sheet index
|
|
0x06, // NAME type
|
|
$print_rowmin,
|
|
$print_rowmax,
|
|
$print_colmin,
|
|
$print_colmax
|
|
);
|
|
}
|
|
}
|
|
|
|
// Create the print title NAME records
|
|
for ($i = 0; $i < $total_worksheets; ++$i) {
|
|
$sheetSetup = $this->phpExcel->getSheet($i)->getPageSetup();
|
|
|
|
// simultaneous repeatColumns repeatRows
|
|
if ($sheetSetup->isColumnsToRepeatAtLeftSet() && $sheetSetup->isRowsToRepeatAtTopSet()) {
|
|
$repeat = $sheetSetup->getColumnsToRepeatAtLeft();
|
|
$colmin = PHPExcel_Cell::columnIndexFromString($repeat[0]) - 1;
|
|
$colmax = PHPExcel_Cell::columnIndexFromString($repeat[1]) - 1;
|
|
|
|
$repeat = $sheetSetup->getRowsToRepeatAtTop();
|
|
$rowmin = $repeat[0] - 1;
|
|
$rowmax = $repeat[1] - 1;
|
|
|
|
$this->writeNameLong(
|
|
$i, // sheet index
|
|
0x07, // NAME type
|
|
$rowmin,
|
|
$rowmax,
|
|
$colmin,
|
|
$colmax
|
|
);
|
|
|
|
// (exclusive) either repeatColumns or repeatRows
|
|
} elseif ($sheetSetup->isColumnsToRepeatAtLeftSet() || $sheetSetup->isRowsToRepeatAtTopSet()) {
|
|
// Columns to repeat
|
|
if ($sheetSetup->isColumnsToRepeatAtLeftSet()) {
|
|
$repeat = $sheetSetup->getColumnsToRepeatAtLeft();
|
|
$colmin = PHPExcel_Cell::columnIndexFromString($repeat[0]) - 1;
|
|
$colmax = PHPExcel_Cell::columnIndexFromString($repeat[1]) - 1;
|
|
} else {
|
|
$colmin = 0;
|
|
$colmax = 255;
|
|
}
|
|
|
|
// Rows to repeat
|
|
if ($sheetSetup->isRowsToRepeatAtTopSet()) {
|
|
$repeat = $sheetSetup->getRowsToRepeatAtTop();
|
|
$rowmin = $repeat[0] - 1;
|
|
$rowmax = $repeat[1] - 1;
|
|
} else {
|
|
$rowmin = 0;
|
|
$rowmax = 65535;
|
|
}
|
|
|
|
$this->writeNameShort(
|
|
$i, // sheet index
|
|
0x07, // NAME type
|
|
$rowmin,
|
|
$rowmax,
|
|
$colmin,
|
|
$colmax
|
|
);
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Writes all the DEFINEDNAME records (BIFF8).
|
|
* So far this is only used for repeating rows/columns (print titles) and print areas
|
|
*/
|
|
private function writeAllDefinedNamesBiff8()
|
|
{
|
|
$chunk = '';
|
|
|
|
// Named ranges
|
|
if (count($this->phpExcel->getNamedRanges()) > 0) {
|
|
// Loop named ranges
|
|
$namedRanges = $this->phpExcel->getNamedRanges();
|
|
foreach ($namedRanges as $namedRange) {
|
|
// Create absolute coordinate
|
|
$range = PHPExcel_Cell::splitRange($namedRange->getRange());
|
|
for ($i = 0; $i < count($range); $i++) {
|
|
$range[$i][0] = '\'' . str_replace("'", "''", $namedRange->getWorksheet()->getTitle()) . '\'!' . PHPExcel_Cell::absoluteCoordinate($range[$i][0]);
|
|
if (isset($range[$i][1])) {
|
|
$range[$i][1] = PHPExcel_Cell::absoluteCoordinate($range[$i][1]);
|
|
}
|
|
}
|
|
$range = PHPExcel_Cell::buildRange($range); // e.g. Sheet1!$A$1:$B$2
|
|
|
|
// parse formula
|
|
try {
|
|
$error = $this->parser->parse($range);
|
|
$formulaData = $this->parser->toReversePolish();
|
|
|
|
// make sure tRef3d is of type tRef3dR (0x3A)
|
|
if (isset($formulaData[0]) and ($formulaData[0] == "\x7A" or $formulaData[0] == "\x5A")) {
|
|
$formulaData = "\x3A" . substr($formulaData, 1);
|
|
}
|
|
|
|
if ($namedRange->getLocalOnly()) {
|
|
// local scope
|
|
$scope = $this->phpExcel->getIndex($namedRange->getScope()) + 1;
|
|
} else {
|
|
// global scope
|
|
$scope = 0;
|
|
}
|
|
$chunk .= $this->writeData($this->writeDefinedNameBiff8($namedRange->getName(), $formulaData, $scope, false));
|
|
|
|
} catch (PHPExcel_Exception $e) {
|
|
// do nothing
|
|
}
|
|
}
|
|
}
|
|
|
|
// total number of sheets
|
|
$total_worksheets = $this->phpExcel->getSheetCount();
|
|
|
|
// write the print titles (repeating rows, columns), if any
|
|
for ($i = 0; $i < $total_worksheets; ++$i) {
|
|
$sheetSetup = $this->phpExcel->getSheet($i)->getPageSetup();
|
|
// simultaneous repeatColumns repeatRows
|
|
if ($sheetSetup->isColumnsToRepeatAtLeftSet() && $sheetSetup->isRowsToRepeatAtTopSet()) {
|
|
$repeat = $sheetSetup->getColumnsToRepeatAtLeft();
|
|
$colmin = PHPExcel_Cell::columnIndexFromString($repeat[0]) - 1;
|
|
$colmax = PHPExcel_Cell::columnIndexFromString($repeat[1]) - 1;
|
|
|
|
$repeat = $sheetSetup->getRowsToRepeatAtTop();
|
|
$rowmin = $repeat[0] - 1;
|
|
$rowmax = $repeat[1] - 1;
|
|
|
|
// construct formula data manually
|
|
$formulaData = pack('Cv', 0x29, 0x17); // tMemFunc
|
|
$formulaData .= pack('Cvvvvv', 0x3B, $i, 0, 65535, $colmin, $colmax); // tArea3d
|
|
$formulaData .= pack('Cvvvvv', 0x3B, $i, $rowmin, $rowmax, 0, 255); // tArea3d
|
|
$formulaData .= pack('C', 0x10); // tList
|
|
|
|
// store the DEFINEDNAME record
|
|
$chunk .= $this->writeData($this->writeDefinedNameBiff8(pack('C', 0x07), $formulaData, $i + 1, true));
|
|
|
|
// (exclusive) either repeatColumns or repeatRows
|
|
} elseif ($sheetSetup->isColumnsToRepeatAtLeftSet() || $sheetSetup->isRowsToRepeatAtTopSet()) {
|
|
// Columns to repeat
|
|
if ($sheetSetup->isColumnsToRepeatAtLeftSet()) {
|
|
$repeat = $sheetSetup->getColumnsToRepeatAtLeft();
|
|
$colmin = PHPExcel_Cell::columnIndexFromString($repeat[0]) - 1;
|
|
$colmax = PHPExcel_Cell::columnIndexFromString($repeat[1]) - 1;
|
|
} else {
|
|
$colmin = 0;
|
|
$colmax = 255;
|
|
}
|
|
// Rows to repeat
|
|
if ($sheetSetup->isRowsToRepeatAtTopSet()) {
|
|
$repeat = $sheetSetup->getRowsToRepeatAtTop();
|
|
$rowmin = $repeat[0] - 1;
|
|
$rowmax = $repeat[1] - 1;
|
|
} else {
|
|
$rowmin = 0;
|
|
$rowmax = 65535;
|
|
}
|
|
|
|
// construct formula data manually because parser does not recognize absolute 3d cell references
|
|
$formulaData = pack('Cvvvvv', 0x3B, $i, $rowmin, $rowmax, $colmin, $colmax);
|
|
|
|
// store the DEFINEDNAME record
|
|
$chunk .= $this->writeData($this->writeDefinedNameBiff8(pack('C', 0x07), $formulaData, $i + 1, true));
|
|
}
|
|
}
|
|
|
|
// write the print areas, if any
|
|
for ($i = 0; $i < $total_worksheets; ++$i) {
|
|
$sheetSetup = $this->phpExcel->getSheet($i)->getPageSetup();
|
|
if ($sheetSetup->isPrintAreaSet()) {
|
|
// Print area, e.g. A3:J6,H1:X20
|
|
$printArea = PHPExcel_Cell::splitRange($sheetSetup->getPrintArea());
|
|
$countPrintArea = count($printArea);
|
|
|
|
$formulaData = '';
|
|
for ($j = 0; $j < $countPrintArea; ++$j) {
|
|
$printAreaRect = $printArea[$j]; // e.g. A3:J6
|
|
$printAreaRect[0] = PHPExcel_Cell::coordinateFromString($printAreaRect[0]);
|
|
$printAreaRect[1] = PHPExcel_Cell::coordinateFromString($printAreaRect[1]);
|
|
|
|
$print_rowmin = $printAreaRect[0][1] - 1;
|
|
$print_rowmax = $printAreaRect[1][1] - 1;
|
|
$print_colmin = PHPExcel_Cell::columnIndexFromString($printAreaRect[0][0]) - 1;
|
|
$print_colmax = PHPExcel_Cell::columnIndexFromString($printAreaRect[1][0]) - 1;
|
|
|
|
// construct formula data manually because parser does not recognize absolute 3d cell references
|
|
$formulaData .= pack('Cvvvvv', 0x3B, $i, $print_rowmin, $print_rowmax, $print_colmin, $print_colmax);
|
|
|
|
if ($j > 0) {
|
|
$formulaData .= pack('C', 0x10); // list operator token ','
|
|
}
|
|
}
|
|
|
|
// store the DEFINEDNAME record
|
|
$chunk .= $this->writeData($this->writeDefinedNameBiff8(pack('C', 0x06), $formulaData, $i + 1, true));
|
|
}
|
|
}
|
|
|
|
// write autofilters, if any
|
|
for ($i = 0; $i < $total_worksheets; ++$i) {
|
|
$sheetAutoFilter = $this->phpExcel->getSheet($i)->getAutoFilter();
|
|
$autoFilterRange = $sheetAutoFilter->getRange();
|
|
if (!empty($autoFilterRange)) {
|
|
$rangeBounds = PHPExcel_Cell::rangeBoundaries($autoFilterRange);
|
|
|
|
//Autofilter built in name
|
|
$name = pack('C', 0x0D);
|
|
|
|
$chunk .= $this->writeData($this->writeShortNameBiff8($name, $i + 1, $rangeBounds, true));
|
|
}
|
|
}
|
|
|
|
return $chunk;
|
|
}
|
|
|
|
/**
|
|
* Write a DEFINEDNAME record for BIFF8 using explicit binary formula data
|
|
*
|
|
* @param string $name The name in UTF-8
|
|
* @param string $formulaData The binary formula data
|
|
* @param string $sheetIndex 1-based sheet index the defined name applies to. 0 = global
|
|
* @param boolean $isBuiltIn Built-in name?
|
|
* @return string Complete binary record data
|
|
*/
|
|
private function writeDefinedNameBiff8($name, $formulaData, $sheetIndex = 0, $isBuiltIn = false)
|
|
{
|
|
$record = 0x0018;
|
|
|
|
// option flags
|
|
$options = $isBuiltIn ? 0x20 : 0x00;
|
|
|
|
// length of the name, character count
|
|
$nlen = PHPExcel_Shared_String::CountCharacters($name);
|
|
|
|
// name with stripped length field
|
|
$name = substr(PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($name), 2);
|
|
|
|
// size of the formula (in bytes)
|
|
$sz = strlen($formulaData);
|
|
|
|
// combine the parts
|
|
$data = pack('vCCvvvCCCC', $options, 0, $nlen, $sz, 0, $sheetIndex, 0, 0, 0, 0)
|
|
. $name . $formulaData;
|
|
$length = strlen($data);
|
|
|
|
$header = pack('vv', $record, $length);
|
|
|
|
return $header . $data;
|
|
}
|
|
|
|
/**
|
|
* Write a short NAME record
|
|
*
|
|
* @param string $name
|
|
* @param string $sheetIndex 1-based sheet index the defined name applies to. 0 = global
|
|
* @param integer[][] $rangeBounds range boundaries
|
|
* @param boolean $isHidden
|
|
* @return string Complete binary record data
|
|
* */
|
|
private function writeShortNameBiff8($name, $sheetIndex = 0, $rangeBounds, $isHidden = false)
|
|
{
|
|
$record = 0x0018;
|
|
|
|
// option flags
|
|
$options = ($isHidden ? 0x21 : 0x00);
|
|
|
|
$extra = pack(
|
|
'Cvvvvv',
|
|
0x3B,
|
|
$sheetIndex - 1,
|
|
$rangeBounds[0][1] - 1,
|
|
$rangeBounds[1][1] - 1,
|
|
$rangeBounds[0][0] - 1,
|
|
$rangeBounds[1][0] - 1
|
|
);
|
|
|
|
// size of the formula (in bytes)
|
|
$sz = strlen($extra);
|
|
|
|
// combine the parts
|
|
$data = pack('vCCvvvCCCCC', $options, 0, 1, $sz, 0, $sheetIndex, 0, 0, 0, 0, 0)
|
|
. $name . $extra;
|
|
$length = strlen($data);
|
|
|
|
$header = pack('vv', $record, $length);
|
|
|
|
return $header . $data;
|
|
}
|
|
|
|
/**
|
|
* Stores the CODEPAGE biff record.
|
|
*/
|
|
private function writeCodepage()
|
|
{
|
|
$record = 0x0042; // Record identifier
|
|
$length = 0x0002; // Number of bytes to follow
|
|
$cv = $this->codepage; // The code page
|
|
|
|
$header = pack('vv', $record, $length);
|
|
$data = pack('v', $cv);
|
|
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Write Excel BIFF WINDOW1 record.
|
|
*/
|
|
private function writeWindow1()
|
|
{
|
|
$record = 0x003D; // Record identifier
|
|
$length = 0x0012; // Number of bytes to follow
|
|
|
|
$xWn = 0x0000; // Horizontal position of window
|
|
$yWn = 0x0000; // Vertical position of window
|
|
$dxWn = 0x25BC; // Width of window
|
|
$dyWn = 0x1572; // Height of window
|
|
|
|
$grbit = 0x0038; // Option flags
|
|
|
|
// not supported by PHPExcel, so there is only one selected sheet, the active
|
|
$ctabsel = 1; // Number of workbook tabs selected
|
|
|
|
$wTabRatio = 0x0258; // Tab to scrollbar ratio
|
|
|
|
// not supported by PHPExcel, set to 0
|
|
$itabFirst = 0; // 1st displayed worksheet
|
|
$itabCur = $this->phpExcel->getActiveSheetIndex(); // Active worksheet
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("vvvvvvvvv", $xWn, $yWn, $dxWn, $dyWn, $grbit, $itabCur, $itabFirst, $ctabsel, $wTabRatio);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Writes Excel BIFF BOUNDSHEET record.
|
|
*
|
|
* @param PHPExcel_Worksheet $sheet Worksheet name
|
|
* @param integer $offset Location of worksheet BOF
|
|
*/
|
|
private function writeBoundSheet($sheet, $offset)
|
|
{
|
|
$sheetname = $sheet->getTitle();
|
|
$record = 0x0085; // Record identifier
|
|
|
|
// sheet state
|
|
switch ($sheet->getSheetState()) {
|
|
case PHPExcel_Worksheet::SHEETSTATE_VISIBLE:
|
|
$ss = 0x00;
|
|
break;
|
|
case PHPExcel_Worksheet::SHEETSTATE_HIDDEN:
|
|
$ss = 0x01;
|
|
break;
|
|
case PHPExcel_Worksheet::SHEETSTATE_VERYHIDDEN:
|
|
$ss = 0x02;
|
|
break;
|
|
default:
|
|
$ss = 0x00;
|
|
break;
|
|
}
|
|
|
|
// sheet type
|
|
$st = 0x00;
|
|
|
|
$grbit = 0x0000; // Visibility and sheet type
|
|
|
|
$data = pack("VCC", $offset, $ss, $st);
|
|
$data .= PHPExcel_Shared_String::UTF8toBIFF8UnicodeShort($sheetname);
|
|
|
|
$length = strlen($data);
|
|
$header = pack("vv", $record, $length);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Write Internal SUPBOOK record
|
|
*/
|
|
private function writeSupbookInternal()
|
|
{
|
|
$record = 0x01AE; // Record identifier
|
|
$length = 0x0004; // Bytes to follow
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("vv", $this->phpExcel->getSheetCount(), 0x0401);
|
|
return $this->writeData($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Writes the Excel BIFF EXTERNSHEET record. These references are used by
|
|
* formulas.
|
|
*
|
|
*/
|
|
private function writeExternalsheetBiff8()
|
|
{
|
|
$totalReferences = count($this->parser->references);
|
|
$record = 0x0017; // Record identifier
|
|
$length = 2 + 6 * $totalReferences; // Number of bytes to follow
|
|
|
|
$supbook_index = 0; // FIXME: only using internal SUPBOOK record
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack('v', $totalReferences);
|
|
for ($i = 0; $i < $totalReferences; ++$i) {
|
|
$data .= $this->parser->references[$i];
|
|
}
|
|
return $this->writeData($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Write Excel BIFF STYLE records.
|
|
*/
|
|
private function writeStyle()
|
|
{
|
|
$record = 0x0293; // Record identifier
|
|
$length = 0x0004; // Bytes to follow
|
|
|
|
$ixfe = 0x8000; // Index to cell style XF
|
|
$BuiltIn = 0x00; // Built-in style
|
|
$iLevel = 0xff; // Outline style level
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("vCC", $ixfe, $BuiltIn, $iLevel);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Writes Excel FORMAT record for non "built-in" numerical formats.
|
|
*
|
|
* @param string $format Custom format string
|
|
* @param integer $ifmt Format index code
|
|
*/
|
|
private function writeNumberFormat($format, $ifmt)
|
|
{
|
|
$record = 0x041E; // Record identifier
|
|
|
|
$numberFormatString = PHPExcel_Shared_String::UTF8toBIFF8UnicodeLong($format);
|
|
$length = 2 + strlen($numberFormatString); // Number of bytes to follow
|
|
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("v", $ifmt) . $numberFormatString;
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Write DATEMODE record to indicate the date system in use (1904 or 1900).
|
|
*/
|
|
private function writeDateMode()
|
|
{
|
|
$record = 0x0022; // Record identifier
|
|
$length = 0x0002; // Bytes to follow
|
|
|
|
$f1904 = (PHPExcel_Shared_Date::getExcelCalendar() == PHPExcel_Shared_Date::CALENDAR_MAC_1904)
|
|
? 1
|
|
: 0; // Flag for 1904 date system
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("v", $f1904);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Write BIFF record EXTERNCOUNT to indicate the number of external sheet
|
|
* references in the workbook.
|
|
*
|
|
* Excel only stores references to external sheets that are used in NAME.
|
|
* The workbook NAME record is required to define the print area and the repeat
|
|
* rows and columns.
|
|
*
|
|
* A similar method is used in Worksheet.php for a slightly different purpose.
|
|
*
|
|
* @param integer $cxals Number of external references
|
|
*/
|
|
private function writeExternalCount($cxals)
|
|
{
|
|
$record = 0x0016; // Record identifier
|
|
$length = 0x0002; // Number of bytes to follow
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("v", $cxals);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Writes the Excel BIFF EXTERNSHEET record. These references are used by
|
|
* formulas. NAME record is required to define the print area and the repeat
|
|
* rows and columns.
|
|
*
|
|
* A similar method is used in Worksheet.php for a slightly different purpose.
|
|
*
|
|
* @param string $sheetname Worksheet name
|
|
*/
|
|
private function writeExternalSheet($sheetname)
|
|
{
|
|
$record = 0x0017; // Record identifier
|
|
$length = 0x02 + strlen($sheetname); // Number of bytes to follow
|
|
|
|
$cch = strlen($sheetname); // Length of sheet name
|
|
$rgch = 0x03; // Filename encoding
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("CC", $cch, $rgch);
|
|
$this->append($header . $data . $sheetname);
|
|
}
|
|
|
|
/**
|
|
* Store the NAME record in the short format that is used for storing the print
|
|
* area, repeat rows only and repeat columns only.
|
|
*
|
|
* @param integer $index Sheet index
|
|
* @param integer $type Built-in name type
|
|
* @param integer $rowmin Start row
|
|
* @param integer $rowmax End row
|
|
* @param integer $colmin Start colum
|
|
* @param integer $colmax End column
|
|
*/
|
|
private function writeNameShort($index, $type, $rowmin, $rowmax, $colmin, $colmax)
|
|
{
|
|
$record = 0x0018; // Record identifier
|
|
$length = 0x0024; // Number of bytes to follow
|
|
|
|
$grbit = 0x0020; // Option flags
|
|
$chKey = 0x00; // Keyboard shortcut
|
|
$cch = 0x01; // Length of text name
|
|
$cce = 0x0015; // Length of text definition
|
|
$ixals = $index + 1; // Sheet index
|
|
$itab = $ixals; // Equal to ixals
|
|
$cchCustMenu = 0x00; // Length of cust menu text
|
|
$cchDescription = 0x00; // Length of description text
|
|
$cchHelptopic = 0x00; // Length of help topic text
|
|
$cchStatustext = 0x00; // Length of status bar text
|
|
$rgch = $type; // Built-in name type
|
|
|
|
$unknown03 = 0x3b;
|
|
$unknown04 = 0xffff - $index;
|
|
$unknown05 = 0x0000;
|
|
$unknown06 = 0x0000;
|
|
$unknown07 = 0x1087;
|
|
$unknown08 = 0x8005;
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("v", $grbit);
|
|
$data .= pack("C", $chKey);
|
|
$data .= pack("C", $cch);
|
|
$data .= pack("v", $cce);
|
|
$data .= pack("v", $ixals);
|
|
$data .= pack("v", $itab);
|
|
$data .= pack("C", $cchCustMenu);
|
|
$data .= pack("C", $cchDescription);
|
|
$data .= pack("C", $cchHelptopic);
|
|
$data .= pack("C", $cchStatustext);
|
|
$data .= pack("C", $rgch);
|
|
$data .= pack("C", $unknown03);
|
|
$data .= pack("v", $unknown04);
|
|
$data .= pack("v", $unknown05);
|
|
$data .= pack("v", $unknown06);
|
|
$data .= pack("v", $unknown07);
|
|
$data .= pack("v", $unknown08);
|
|
$data .= pack("v", $index);
|
|
$data .= pack("v", $index);
|
|
$data .= pack("v", $rowmin);
|
|
$data .= pack("v", $rowmax);
|
|
$data .= pack("C", $colmin);
|
|
$data .= pack("C", $colmax);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Store the NAME record in the long format that is used for storing the repeat
|
|
* rows and columns when both are specified. This shares a lot of code with
|
|
* writeNameShort() but we use a separate method to keep the code clean.
|
|
* Code abstraction for reuse can be carried too far, and I should know. ;-)
|
|
*
|
|
* @param integer $index Sheet index
|
|
* @param integer $type Built-in name type
|
|
* @param integer $rowmin Start row
|
|
* @param integer $rowmax End row
|
|
* @param integer $colmin Start colum
|
|
* @param integer $colmax End column
|
|
*/
|
|
private function writeNameLong($index, $type, $rowmin, $rowmax, $colmin, $colmax)
|
|
{
|
|
$record = 0x0018; // Record identifier
|
|
$length = 0x003d; // Number of bytes to follow
|
|
$grbit = 0x0020; // Option flags
|
|
$chKey = 0x00; // Keyboard shortcut
|
|
$cch = 0x01; // Length of text name
|
|
$cce = 0x002e; // Length of text definition
|
|
$ixals = $index + 1; // Sheet index
|
|
$itab = $ixals; // Equal to ixals
|
|
$cchCustMenu = 0x00; // Length of cust menu text
|
|
$cchDescription = 0x00; // Length of description text
|
|
$cchHelptopic = 0x00; // Length of help topic text
|
|
$cchStatustext = 0x00; // Length of status bar text
|
|
$rgch = $type; // Built-in name type
|
|
|
|
$unknown01 = 0x29;
|
|
$unknown02 = 0x002b;
|
|
$unknown03 = 0x3b;
|
|
$unknown04 = 0xffff-$index;
|
|
$unknown05 = 0x0000;
|
|
$unknown06 = 0x0000;
|
|
$unknown07 = 0x1087;
|
|
$unknown08 = 0x8008;
|
|
|
|
$header = pack("vv", $record, $length);
|
|
$data = pack("v", $grbit);
|
|
$data .= pack("C", $chKey);
|
|
$data .= pack("C", $cch);
|
|
$data .= pack("v", $cce);
|
|
$data .= pack("v", $ixals);
|
|
$data .= pack("v", $itab);
|
|
$data .= pack("C", $cchCustMenu);
|
|
$data .= pack("C", $cchDescription);
|
|
$data .= pack("C", $cchHelptopic);
|
|
$data .= pack("C", $cchStatustext);
|
|
$data .= pack("C", $rgch);
|
|
$data .= pack("C", $unknown01);
|
|
$data .= pack("v", $unknown02);
|
|
// Column definition
|
|
$data .= pack("C", $unknown03);
|
|
$data .= pack("v", $unknown04);
|
|
$data .= pack("v", $unknown05);
|
|
$data .= pack("v", $unknown06);
|
|
$data .= pack("v", $unknown07);
|
|
$data .= pack("v", $unknown08);
|
|
$data .= pack("v", $index);
|
|
$data .= pack("v", $index);
|
|
$data .= pack("v", 0x0000);
|
|
$data .= pack("v", 0x3fff);
|
|
$data .= pack("C", $colmin);
|
|
$data .= pack("C", $colmax);
|
|
// Row definition
|
|
$data .= pack("C", $unknown03);
|
|
$data .= pack("v", $unknown04);
|
|
$data .= pack("v", $unknown05);
|
|
$data .= pack("v", $unknown06);
|
|
$data .= pack("v", $unknown07);
|
|
$data .= pack("v", $unknown08);
|
|
$data .= pack("v", $index);
|
|
$data .= pack("v", $index);
|
|
$data .= pack("v", $rowmin);
|
|
$data .= pack("v", $rowmax);
|
|
$data .= pack("C", 0x00);
|
|
$data .= pack("C", 0xff);
|
|
// End of data
|
|
$data .= pack("C", 0x10);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Stores the COUNTRY record for localization
|
|
*
|
|
* @return string
|
|
*/
|
|
private function writeCountry()
|
|
{
|
|
$record = 0x008C; // Record identifier
|
|
$length = 4; // Number of bytes to follow
|
|
|
|
$header = pack('vv', $record, $length);
|
|
/* using the same country code always for simplicity */
|
|
$data = pack('vv', $this->countryCode, $this->countryCode);
|
|
//$this->append($header . $data);
|
|
return $this->writeData($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Write the RECALCID record
|
|
*
|
|
* @return string
|
|
*/
|
|
private function writeRecalcId()
|
|
{
|
|
$record = 0x01C1; // Record identifier
|
|
$length = 8; // Number of bytes to follow
|
|
|
|
$header = pack('vv', $record, $length);
|
|
|
|
// by inspection of real Excel files, MS Office Excel 2007 writes this
|
|
$data = pack('VV', 0x000001C1, 0x00001E667);
|
|
|
|
return $this->writeData($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Stores the PALETTE biff record.
|
|
*/
|
|
private function writePalette()
|
|
{
|
|
$aref = $this->palette;
|
|
|
|
$record = 0x0092; // Record identifier
|
|
$length = 2 + 4 * count($aref); // Number of bytes to follow
|
|
$ccv = count($aref); // Number of RGB values to follow
|
|
$data = ''; // The RGB data
|
|
|
|
// Pack the RGB data
|
|
foreach ($aref as $color) {
|
|
foreach ($color as $byte) {
|
|
$data .= pack("C", $byte);
|
|
}
|
|
}
|
|
|
|
$header = pack("vvv", $record, $length, $ccv);
|
|
$this->append($header . $data);
|
|
}
|
|
|
|
/**
|
|
* Handling of the SST continue blocks is complicated by the need to include an
|
|
* additional continuation byte depending on whether the string is split between
|
|
* blocks or whether it starts at the beginning of the block. (There are also
|
|
* additional complications that will arise later when/if Rich Strings are
|
|
* supported).
|
|
*
|
|
* The Excel documentation says that the SST record should be followed by an
|
|
* EXTSST record. The EXTSST record is a hash table that is used to optimise
|
|
* access to SST. However, despite the documentation it doesn't seem to be
|
|
* required so we will ignore it.
|
|
*
|
|
* @return string Binary data
|
|
*/
|
|
private function writeSharedStringsTable()
|
|
{
|
|
// maximum size of record data (excluding record header)
|
|
$continue_limit = 8224;
|
|
|
|
// initialize array of record data blocks
|
|
$recordDatas = array();
|
|
|
|
// start SST record data block with total number of strings, total number of unique strings
|
|
$recordData = pack("VV", $this->stringTotal, $this->stringUnique);
|
|
|
|
// loop through all (unique) strings in shared strings table
|
|
foreach (array_keys($this->stringTable) as $string) {
|
|
// here $string is a BIFF8 encoded string
|
|
|
|
// length = character count
|
|
$headerinfo = unpack("vlength/Cencoding", $string);
|
|
|
|
// currently, this is always 1 = uncompressed
|
|
$encoding = $headerinfo["encoding"];
|
|
|
|
// initialize finished writing current $string
|
|
$finished = false;
|
|
|
|
while ($finished === false) {
|
|
// normally, there will be only one cycle, but if string cannot immediately be written as is
|
|
// there will be need for more than one cylcle, if string longer than one record data block, there
|
|
// may be need for even more cycles
|
|
|
|
if (strlen($recordData) + strlen($string) <= $continue_limit) {
|
|
// then we can write the string (or remainder of string) without any problems
|
|
$recordData .= $string;
|
|
|
|
if (strlen($recordData) + strlen($string) == $continue_limit) {
|
|
// we close the record data block, and initialize a new one
|
|
$recordDatas[] = $recordData;
|
|
$recordData = '';
|
|
}
|
|
|
|
// we are finished writing this string
|
|
$finished = true;
|
|
} else {
|
|
// special treatment writing the string (or remainder of the string)
|
|
// If the string is very long it may need to be written in more than one CONTINUE record.
|
|
|
|
// check how many bytes more there is room for in the current record
|
|
$space_remaining = $continue_limit - strlen($recordData);
|
|
|
|
// minimum space needed
|
|
// uncompressed: 2 byte string length length field + 1 byte option flags + 2 byte character
|
|
// compressed: 2 byte string length length field + 1 byte option flags + 1 byte character
|
|
$min_space_needed = ($encoding == 1) ? 5 : 4;
|
|
|
|
// We have two cases
|
|
// 1. space remaining is less than minimum space needed
|
|
// here we must waste the space remaining and move to next record data block
|
|
// 2. space remaining is greater than or equal to minimum space needed
|
|
// here we write as much as we can in the current block, then move to next record data block
|
|
|
|
// 1. space remaining is less than minimum space needed
|
|
if ($space_remaining < $min_space_needed) {
|
|
// we close the block, store the block data
|
|
$recordDatas[] = $recordData;
|
|
|
|
// and start new record data block where we start writing the string
|
|
$recordData = '';
|
|
|
|
// 2. space remaining is greater than or equal to minimum space needed
|
|
} else {
|
|
// initialize effective remaining space, for Unicode strings this may need to be reduced by 1, see below
|
|
$effective_space_remaining = $space_remaining;
|
|
|
|
// for uncompressed strings, sometimes effective space remaining is reduced by 1
|
|
if ($encoding == 1 && (strlen($string) - $space_remaining) % 2 == 1) {
|
|
--$effective_space_remaining;
|
|
}
|
|
|
|
// one block fininshed, store the block data
|
|
$recordData .= substr($string, 0, $effective_space_remaining);
|
|
|
|
$string = substr($string, $effective_space_remaining); // for next cycle in while loop
|
|
$recordDatas[] = $recordData;
|
|
|
|
// start new record data block with the repeated option flags
|
|
$recordData = pack('C', $encoding);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// Store the last record data block unless it is empty
|
|
// if there was no need for any continue records, this will be the for SST record data block itself
|
|
if (strlen($recordData) > 0) {
|
|
$recordDatas[] = $recordData;
|
|
}
|
|
|
|
// combine into one chunk with all the blocks SST, CONTINUE,...
|
|
$chunk = '';
|
|
foreach ($recordDatas as $i => $recordData) {
|
|
// first block should have the SST record header, remaing should have CONTINUE header
|
|
$record = ($i == 0) ? 0x00FC : 0x003C;
|
|
|
|
$header = pack("vv", $record, strlen($recordData));
|
|
$data = $header . $recordData;
|
|
|
|
$chunk .= $this->writeData($data);
|
|
}
|
|
|
|
return $chunk;
|
|
}
|
|
|
|
/**
|
|
* Writes the MSODRAWINGGROUP record if needed. Possibly split using CONTINUE records.
|
|
*/
|
|
private function writeMsoDrawingGroup()
|
|
{
|
|
// write the Escher stream if necessary
|
|
if (isset($this->escher)) {
|
|
$writer = new PHPExcel_Writer_Excel5_Escher($this->escher);
|
|
$data = $writer->close();
|
|
|
|
$record = 0x00EB;
|
|
$length = strlen($data);
|
|
$header = pack("vv", $record, $length);
|
|
|
|
return $this->writeData($header . $data);
|
|
} else {
|
|
return '';
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Get Escher object
|
|
*
|
|
* @return PHPExcel_Shared_Escher
|
|
*/
|
|
public function getEscher()
|
|
{
|
|
return $this->escher;
|
|
}
|
|
|
|
/**
|
|
* Set Escher object
|
|
*
|
|
* @param PHPExcel_Shared_Escher $pValue
|
|
*/
|
|
public function setEscher(PHPExcel_Shared_Escher $pValue = null)
|
|
{
|
|
$this->escher = $pValue;
|
|
}
|
|
}
|