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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 <xnoguer@rezebra.com> |
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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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// * <jmcnamara@cpan.org> |
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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 xnoguer@rezebra.com |
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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 = $pWorksheetSizes; |
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|
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// Calculate the number of selected worksheet tabs and call the finalization |
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// methods for each worksheet |
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$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 .= $this->writeEof(); |
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|
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// Add part 2 of the Workbook globals, the SHEET records |
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$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 $this->_data; |
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} |
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/** |
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* Calculate offsets for Worksheet BOF records. |
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* |
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* @access private |
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*/ |
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private function calcSheetOffsets() |
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{ |
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$boundsheet_length = 10; // fixed length for a BOUNDSHEET record |
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|
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// size of Workbook globals part 1 + 3 |
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$offset = $this->_datasize; |
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|
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// add size of Workbook globals part 2, the length of the SHEET records |
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$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) { |
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$this->worksheetOffsets[$i] = $offset; |
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$offset += $this->worksheetSizes[$i]; |
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} |
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$this->biffSize = $offset; |
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} |
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|
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/** |
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* Store the Excel FONT records. |
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*/ |
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private function writeAllFonts() |
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{ |
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foreach ($this->fontWriters as $fontWriter) { |
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$this->append($fontWriter->writeFont()); |
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} |
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} |
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|
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/** |
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* Store user defined numerical formats i.e. FORMAT records |
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*/ |
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private function writeAllNumberFormats() |
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{ |
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foreach ($this->numberFormats as $numberFormatIndex => $numberFormat) { |
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$this->writeNumberFormat($numberFormat->getFormatCode(), $numberFormatIndex); |
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} |
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} |
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/** |
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* Write all XF records. |
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*/ |
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private function writeAllXfs() |
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{ |
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foreach ($this->xfWriters as $xfWriter) { |
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$this->append($xfWriter->writeXf()); |
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} |
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} |
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|
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/** |
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* Write all STYLE records. |
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*/ |
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private function writeAllStyles() |
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{ |
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$this->writeStyle(); |
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} |
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|
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/** |
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* Write the EXTERNCOUNT and EXTERNSHEET records. These are used as indexes for |
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* the NAME records. |
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*/ |
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private function writeExternals() |
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{ |
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$countSheets = $this->phpExcel->getSheetCount(); |
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// Create EXTERNCOUNT with number of worksheets |
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$this->writeExternalCount($countSheets); |
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|
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// Create EXTERNSHEET for each worksheet |
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for ($i = 0; $i < $countSheets; ++$i) { |
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$this->writeExternalSheet($this->phpExcel->getSheet($i)->getTitle()); |
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} |
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} |
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|
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/** |
|
* Write the NAME record to define the print area and the repeat rows and cols. |
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*/ |
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private function writeNames() |
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{ |
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// total number of sheets |
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$total_worksheets = $this->phpExcel->getSheetCount(); |
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|
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// Create the print area NAME records |
|
for ($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; |
|
} |
|
}
|
|
|