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<?php |
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|
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if (!defined('PHPEXCEL_ROOT')) { |
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/** |
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* @ignore |
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*/ |
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../'); |
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); |
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} |
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|
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/** |
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* PHPExcel_Reader_HTML |
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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_Reader |
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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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/** PHPExcel root directory */ |
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class PHPExcel_Reader_HTML extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader |
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{ |
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|
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/** |
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* Input encoding |
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* |
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* @var string |
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*/ |
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protected $inputEncoding = 'ANSI'; |
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|
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/** |
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* Sheet index to read |
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* |
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* @var int |
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*/ |
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protected $sheetIndex = 0; |
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|
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/** |
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* Formats |
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* |
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* @var array |
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*/ |
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protected $formats = array( |
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'h1' => array( |
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'font' => array( |
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'bold' => true, |
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'size' => 24, |
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), |
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), // Bold, 24pt |
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'h2' => array( |
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'font' => array( |
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'bold' => true, |
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'size' => 18, |
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), |
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), // Bold, 18pt |
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'h3' => array( |
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'font' => array( |
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'bold' => true, |
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'size' => 13.5, |
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), |
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), // Bold, 13.5pt |
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'h4' => array( |
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'font' => array( |
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'bold' => true, |
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'size' => 12, |
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), |
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), // Bold, 12pt |
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'h5' => array( |
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'font' => array( |
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'bold' => true, |
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'size' => 10, |
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), |
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), // Bold, 10pt |
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'h6' => array( |
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'font' => array( |
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'bold' => true, |
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'size' => 7.5, |
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), |
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), // Bold, 7.5pt |
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'a' => array( |
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'font' => array( |
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'underline' => true, |
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'color' => array( |
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'argb' => PHPExcel_Style_Color::COLOR_BLUE, |
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), |
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), |
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), // Blue underlined |
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'hr' => array( |
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'borders' => array( |
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'bottom' => array( |
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'style' => PHPExcel_Style_Border::BORDER_THIN, |
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'color' => array( |
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PHPExcel_Style_Color::COLOR_BLACK, |
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), |
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), |
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), |
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), // Bottom border |
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); |
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|
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protected $rowspan = array(); |
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|
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/** |
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* Create a new PHPExcel_Reader_HTML |
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*/ |
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public function __construct() |
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{ |
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$this->readFilter = new PHPExcel_Reader_DefaultReadFilter(); |
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} |
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|
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/** |
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* Validate that the current file is an HTML file |
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* |
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* @return boolean |
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*/ |
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protected function isValidFormat() |
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{ |
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// Reading 2048 bytes should be enough to validate that the format is HTML |
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$data = fread($this->fileHandle, 2048); |
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if ((strpos($data, '<') !== false) && |
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(strlen($data) !== strlen(strip_tags($data)))) { |
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return true; |
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} |
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|
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return false; |
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} |
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|
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/** |
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* Loads PHPExcel from file |
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* |
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* @param string $pFilename |
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* @return PHPExcel |
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* @throws PHPExcel_Reader_Exception |
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*/ |
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public function load($pFilename) |
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{ |
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// Create new PHPExcel |
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$objPHPExcel = new PHPExcel(); |
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|
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// Load into this instance |
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return $this->loadIntoExisting($pFilename, $objPHPExcel); |
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} |
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|
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/** |
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* Set input encoding |
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* |
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* @param string $pValue Input encoding |
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*/ |
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public function setInputEncoding($pValue = 'ANSI') |
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{ |
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$this->inputEncoding = $pValue; |
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|
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return $this; |
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} |
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|
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/** |
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* Get input encoding |
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* |
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* @return string |
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*/ |
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public function getInputEncoding() |
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{ |
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return $this->inputEncoding; |
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} |
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|
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// Data Array used for testing only, should write to PHPExcel object on completion of tests |
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protected $dataArray = array(); |
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protected $tableLevel = 0; |
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protected $nestedColumn = array('A'); |
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|
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protected function setTableStartColumn($column) |
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{ |
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if ($this->tableLevel == 0) { |
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$column = 'A'; |
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} |
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++$this->tableLevel; |
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$this->nestedColumn[$this->tableLevel] = $column; |
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|
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return $this->nestedColumn[$this->tableLevel]; |
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} |
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|
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protected function getTableStartColumn() |
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{ |
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return $this->nestedColumn[$this->tableLevel]; |
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} |
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|
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protected function releaseTableStartColumn() |
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{ |
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--$this->tableLevel; |
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|
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return array_pop($this->nestedColumn); |
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} |
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|
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protected function flushCell($sheet, $column, $row, &$cellContent) |
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{ |
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if (is_string($cellContent)) { |
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// Simple String content |
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if (trim($cellContent) > '') { |
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// Only actually write it if there's content in the string |
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// echo 'FLUSH CELL: ' , $column , $row , ' => ' , $cellContent , '<br />'; |
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// Write to worksheet to be done here... |
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// ... we return the cell so we can mess about with styles more easily |
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$sheet->setCellValue($column . $row, $cellContent, true); |
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$this->dataArray[$row][$column] = $cellContent; |
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} |
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} else { |
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// We have a Rich Text run |
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// TODO |
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$this->dataArray[$row][$column] = 'RICH TEXT: ' . $cellContent; |
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} |
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$cellContent = (string) ''; |
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} |
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|
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protected function processDomElement(DOMNode $element, $sheet, &$row, &$column, &$cellContent, $format = null) |
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{ |
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foreach ($element->childNodes as $child) { |
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if ($child instanceof DOMText) { |
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$domText = preg_replace('/\s+/u', ' ', trim($child->nodeValue)); |
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if (is_string($cellContent)) { |
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// simply append the text if the cell content is a plain text string |
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$cellContent .= $domText; |
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} else { |
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// but if we have a rich text run instead, we need to append it correctly |
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// TODO |
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} |
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} elseif ($child instanceof DOMElement) { |
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// echo '<b>DOM ELEMENT: </b>' , strtoupper($child->nodeName) , '<br />'; |
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|
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$attributeArray = array(); |
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foreach ($child->attributes as $attribute) { |
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// echo '<b>ATTRIBUTE: </b>' , $attribute->name , ' => ' , $attribute->value , '<br />'; |
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$attributeArray[$attribute->name] = $attribute->value; |
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} |
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|
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switch ($child->nodeName) { |
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case 'meta': |
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foreach ($attributeArray as $attributeName => $attributeValue) { |
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switch ($attributeName) { |
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case 'content': |
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// TODO |
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// Extract character set, so we can convert to UTF-8 if required |
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break; |
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} |
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} |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
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break; |
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case 'title': |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
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$sheet->setTitle($cellContent); |
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$cellContent = ''; |
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break; |
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case 'span': |
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case 'div': |
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case 'font': |
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case 'i': |
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case 'em': |
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case 'strong': |
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case 'b': |
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// echo 'STYLING, SPAN OR DIV<br />'; |
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if ($cellContent > '') { |
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$cellContent .= ' '; |
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} |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
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if ($cellContent > '') { |
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$cellContent .= ' '; |
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} |
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// echo 'END OF STYLING, SPAN OR DIV<br />'; |
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break; |
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case 'hr': |
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$this->flushCell($sheet, $column, $row, $cellContent); |
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++$row; |
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if (isset($this->formats[$child->nodeName])) { |
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$sheet->getStyle($column . $row)->applyFromArray($this->formats[$child->nodeName]); |
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} else { |
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$cellContent = '----------'; |
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$this->flushCell($sheet, $column, $row, $cellContent); |
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} |
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++$row; |
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// Add a break after a horizontal rule, simply by allowing the code to dropthru |
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case 'br': |
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if ($this->tableLevel > 0) { |
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// If we're inside a table, replace with a \n |
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$cellContent .= "\n"; |
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} else { |
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// Otherwise flush our existing content and move the row cursor on |
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$this->flushCell($sheet, $column, $row, $cellContent); |
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++$row; |
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} |
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// echo 'HARD LINE BREAK: ' , '<br />'; |
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break; |
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case 'a': |
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// echo 'START OF HYPERLINK: ' , '<br />'; |
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foreach ($attributeArray as $attributeName => $attributeValue) { |
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switch ($attributeName) { |
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case 'href': |
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// echo 'Link to ' , $attributeValue , '<br />'; |
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$sheet->getCell($column . $row)->getHyperlink()->setUrl($attributeValue); |
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if (isset($this->formats[$child->nodeName])) { |
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$sheet->getStyle($column . $row)->applyFromArray($this->formats[$child->nodeName]); |
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} |
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break; |
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} |
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} |
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$cellContent .= ' '; |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
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// echo 'END OF HYPERLINK:' , '<br />'; |
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break; |
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case 'h1': |
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case 'h2': |
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case 'h3': |
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case 'h4': |
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case 'h5': |
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case 'h6': |
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case 'ol': |
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case 'ul': |
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case 'p': |
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if ($this->tableLevel > 0) { |
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// If we're inside a table, replace with a \n |
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$cellContent .= "\n"; |
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// echo 'LIST ENTRY: ' , '<br />'; |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
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// echo 'END OF LIST ENTRY:' , '<br />'; |
| 338 |
} else { |
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if ($cellContent > '') { |
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$this->flushCell($sheet, $column, $row, $cellContent); |
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$row++; |
| 342 |
} |
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// echo 'START OF PARAGRAPH: ' , '<br />'; |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
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// echo 'END OF PARAGRAPH:' , '<br />'; |
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$this->flushCell($sheet, $column, $row, $cellContent); |
| 347 |
|
| 348 |
if (isset($this->formats[$child->nodeName])) { |
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$sheet->getStyle($column . $row)->applyFromArray($this->formats[$child->nodeName]); |
| 350 |
} |
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|
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$row++; |
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$column = 'A'; |
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} |
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break; |
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case 'li': |
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if ($this->tableLevel > 0) { |
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// If we're inside a table, replace with a \n |
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$cellContent .= "\n"; |
| 360 |
// echo 'LIST ENTRY: ' , '<br />'; |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 362 |
// echo 'END OF LIST ENTRY:' , '<br />'; |
| 363 |
} else { |
| 364 |
if ($cellContent > '') { |
| 365 |
$this->flushCell($sheet, $column, $row, $cellContent); |
| 366 |
} |
| 367 |
++$row; |
| 368 |
// echo 'LIST ENTRY: ' , '<br />'; |
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$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 370 |
// echo 'END OF LIST ENTRY:' , '<br />'; |
| 371 |
$this->flushCell($sheet, $column, $row, $cellContent); |
| 372 |
$column = 'A'; |
| 373 |
} |
| 374 |
break; |
| 375 |
case 'table': |
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$this->flushCell($sheet, $column, $row, $cellContent); |
| 377 |
$column = $this->setTableStartColumn($column); |
| 378 |
// echo 'START OF TABLE LEVEL ' , $this->tableLevel , '<br />'; |
| 379 |
if ($this->tableLevel > 1) { |
| 380 |
--$row; |
| 381 |
} |
| 382 |
$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 383 |
// echo 'END OF TABLE LEVEL ' , $this->tableLevel , '<br />'; |
| 384 |
$column = $this->releaseTableStartColumn(); |
| 385 |
if ($this->tableLevel > 1) { |
| 386 |
++$column; |
| 387 |
} else { |
| 388 |
++$row; |
| 389 |
} |
| 390 |
break; |
| 391 |
case 'thead': |
| 392 |
case 'tbody': |
| 393 |
$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 394 |
break; |
| 395 |
case 'tr': |
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$column = $this->getTableStartColumn(); |
| 397 |
$cellContent = ''; |
| 398 |
// echo 'START OF TABLE ' , $this->tableLevel , ' ROW<br />'; |
| 399 |
$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 400 |
++$row; |
| 401 |
// echo 'END OF TABLE ' , $this->tableLevel , ' ROW<br />'; |
| 402 |
break; |
| 403 |
case 'th': |
| 404 |
case 'td': |
| 405 |
// echo 'START OF TABLE ' , $this->tableLevel , ' CELL<br />'; |
| 406 |
$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 407 |
// echo 'END OF TABLE ' , $this->tableLevel , ' CELL<br />'; |
| 408 |
|
| 409 |
while (isset($this->rowspan[$column . $row])) { |
| 410 |
++$column; |
| 411 |
} |
| 412 |
|
| 413 |
$this->flushCell($sheet, $column, $row, $cellContent); |
| 414 |
|
| 415 |
// if (isset($attributeArray['style']) && !empty($attributeArray['style'])) { |
| 416 |
// $styleAry = $this->getPhpExcelStyleArray($attributeArray['style']); |
| 417 |
// |
| 418 |
// if (!empty($styleAry)) { |
| 419 |
// $sheet->getStyle($column . $row)->applyFromArray($styleAry); |
| 420 |
// } |
| 421 |
// } |
| 422 |
|
| 423 |
if (isset($attributeArray['rowspan']) && isset($attributeArray['colspan'])) { |
| 424 |
//create merging rowspan and colspan |
| 425 |
$columnTo = $column; |
| 426 |
for ($i = 0; $i < $attributeArray['colspan'] - 1; $i++) { |
| 427 |
++$columnTo; |
| 428 |
} |
| 429 |
$range = $column . $row . ':' . $columnTo . ($row + $attributeArray['rowspan'] - 1); |
| 430 |
foreach (\PHPExcel_Cell::extractAllCellReferencesInRange($range) as $value) { |
| 431 |
$this->rowspan[$value] = true; |
| 432 |
} |
| 433 |
$sheet->mergeCells($range); |
| 434 |
$column = $columnTo; |
| 435 |
} elseif (isset($attributeArray['rowspan'])) { |
| 436 |
//create merging rowspan |
| 437 |
$range = $column . $row . ':' . $column . ($row + $attributeArray['rowspan'] - 1); |
| 438 |
foreach (\PHPExcel_Cell::extractAllCellReferencesInRange($range) as $value) { |
| 439 |
$this->rowspan[$value] = true; |
| 440 |
} |
| 441 |
$sheet->mergeCells($range); |
| 442 |
} elseif (isset($attributeArray['colspan'])) { |
| 443 |
//create merging colspan |
| 444 |
$columnTo = $column; |
| 445 |
for ($i = 0; $i < $attributeArray['colspan'] - 1; $i++) { |
| 446 |
++$columnTo; |
| 447 |
} |
| 448 |
$sheet->mergeCells($column . $row . ':' . $columnTo . $row); |
| 449 |
$column = $columnTo; |
| 450 |
} |
| 451 |
++$column; |
| 452 |
break; |
| 453 |
case 'body': |
| 454 |
$row = 1; |
| 455 |
$column = 'A'; |
| 456 |
$content = ''; |
| 457 |
$this->tableLevel = 0; |
| 458 |
$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 459 |
break; |
| 460 |
default: |
| 461 |
$this->processDomElement($child, $sheet, $row, $column, $cellContent); |
| 462 |
} |
| 463 |
} |
| 464 |
} |
| 465 |
} |
| 466 |
|
| 467 |
/** |
| 468 |
* Loads PHPExcel from file into PHPExcel instance |
| 469 |
* |
| 470 |
* @param string $pFilename |
| 471 |
* @param PHPExcel $objPHPExcel |
| 472 |
* @return PHPExcel |
| 473 |
* @throws PHPExcel_Reader_Exception |
| 474 |
*/ |
| 475 |
public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel) |
| 476 |
{ |
| 477 |
// Open file to validate |
| 478 |
$this->openFile($pFilename); |
| 479 |
if (!$this->isValidFormat()) { |
| 480 |
fclose($this->fileHandle); |
| 481 |
throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid HTML file."); |
| 482 |
} |
| 483 |
// Close after validating |
| 484 |
fclose($this->fileHandle); |
| 485 |
|
| 486 |
// Create new PHPExcel |
| 487 |
while ($objPHPExcel->getSheetCount() <= $this->sheetIndex) { |
| 488 |
$objPHPExcel->createSheet(); |
| 489 |
} |
| 490 |
$objPHPExcel->setActiveSheetIndex($this->sheetIndex); |
| 491 |
|
| 492 |
// Create a new DOM object |
| 493 |
$dom = new domDocument; |
| 494 |
// Reload the HTML file into the DOM object |
| 495 |
$loaded = $dom->loadHTML(mb_convert_encoding($this->securityScanFile($pFilename), 'HTML-ENTITIES', 'UTF-8')); |
| 496 |
if ($loaded === false) { |
| 497 |
throw new PHPExcel_Reader_Exception('Failed to load ' . $pFilename . ' as a DOM Document'); |
| 498 |
} |
| 499 |
|
| 500 |
// Discard white space |
| 501 |
$dom->preserveWhiteSpace = false; |
| 502 |
|
| 503 |
$row = 0; |
| 504 |
$column = 'A'; |
| 505 |
$content = ''; |
| 506 |
$this->processDomElement($dom, $objPHPExcel->getActiveSheet(), $row, $column, $content); |
| 507 |
|
| 508 |
// Return |
| 509 |
return $objPHPExcel; |
| 510 |
} |
| 511 |
|
| 512 |
/** |
| 513 |
* Get sheet index |
| 514 |
* |
| 515 |
* @return int |
| 516 |
*/ |
| 517 |
public function getSheetIndex() |
| 518 |
{ |
| 519 |
return $this->sheetIndex; |
| 520 |
} |
| 521 |
|
| 522 |
/** |
| 523 |
* Set sheet index |
| 524 |
* |
| 525 |
* @param int $pValue Sheet index |
| 526 |
* @return PHPExcel_Reader_HTML |
| 527 |
*/ |
| 528 |
public function setSheetIndex($pValue = 0) |
| 529 |
{ |
| 530 |
$this->sheetIndex = $pValue; |
| 531 |
|
| 532 |
return $this; |
| 533 |
} |
| 534 |
|
| 535 |
/** |
| 536 |
* Scan theXML for use of <!ENTITY to prevent XXE/XEE attacks |
| 537 |
* |
| 538 |
* @param string $xml |
| 539 |
* @throws PHPExcel_Reader_Exception |
| 540 |
*/ |
| 541 |
public function securityScan($xml) |
| 542 |
{ |
| 543 |
$pattern = '/\\0?' . implode('\\0?', str_split('<!ENTITY')) . '\\0?/'; |
| 544 |
if (preg_match($pattern, $xml)) { |
| 545 |
throw new PHPExcel_Reader_Exception('Detected use of ENTITY in XML, spreadsheet file load() aborted to prevent XXE/XEE attacks'); |
| 546 |
} |
| 547 |
return $xml; |
| 548 |
} |
| 549 |
} |
| 550 |
|
