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535 lines
20 KiB
PHTML
535 lines
20 KiB
PHTML
12 months ago
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<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2014 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Reader
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* @copyright Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/** PHPExcel root directory */
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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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* PHPExcel_Reader_HTML
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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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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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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* 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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* 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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* 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('font' => array('bold' => true,
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'size' => 24,
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),
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), // Bold, 24pt
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'h2' => array('font' => array('bold' => true,
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'size' => 18,
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),
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), // Bold, 18pt
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'h3' => array('font' => array('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('font' => array('bold' => true,
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'size' => 12,
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),
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), // Bold, 12pt
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'h5' => array('font' => array('bold' => true,
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'size' => 10,
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),
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), // Bold, 10pt
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'h6' => array('font' => array('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('font' => array('underline' => true,
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'color' => array('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('borders' => array('bottom' => array('style' => PHPExcel_Style_Border::BORDER_THIN,
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'color' => array(\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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protected $rowspan = array();
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/**
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* Create a new PHPExcel_Reader_HTML
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*/
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public function __construct()
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{
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$this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();
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}
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/**
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* 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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return FALSE;
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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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// 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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* 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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return $this;
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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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// 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 $_nestedColumn = array('A');
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protected function _setTableStartColumn($column)
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{
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if ($this->_tableLevel == 0)
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$column = 'A';
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++$this->_tableLevel;
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$this->_nestedColumn[$this->_tableLevel] = $column;
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return $this->_nestedColumn[$this->_tableLevel];
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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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protected function _releaseTableStartColumn()
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{
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--$this->_tableLevel;
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return array_pop($this->_nestedColumn);
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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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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($child->nodeName) , '<br />';
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$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] = $attribute->value;
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}
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switch ($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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$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
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if ($cellContent > '')
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$cellContent .= ' ';
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// echo 'END OF STYLING, SPAN OR DIV<br />';
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break;
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case 'hr' :
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$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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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, $cellContent);
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// echo 'END OF LIST ENTRY:' , '<br />';
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} else {
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if ($cellContent > '') {
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$this->_flushCell($sheet, $column, $row, $cellContent);
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$row++;
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}
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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, $cellContent);
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if (isset($this->_formats[$child->nodeName])) {
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$sheet->getStyle($column . $row)->applyFromArray($this->_formats[$child->nodeName]);
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}
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$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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$cellContent .= "\n";
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// echo 'LIST ENTRY: ' , '<br />';
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$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
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// echo 'END OF LIST ENTRY:' , '<br />';
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} else {
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if ($cellContent > '') {
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$this->_flushCell($sheet, $column, $row, $cellContent);
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}
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++$row;
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// echo 'LIST ENTRY: ' , '<br />';
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$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
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// echo 'END OF LIST ENTRY:' , '<br />';
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$this->_flushCell($sheet, $column, $row, $cellContent);
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$column = 'A';
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}
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break;
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case 'table' :
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$this->_flushCell($sheet, $column, $row, $cellContent);
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$column = $this->_setTableStartColumn($column);
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// echo 'START OF TABLE LEVEL ' , $this->_tableLevel , '<br />';
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if ($this->_tableLevel > 1)
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--$row;
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$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
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// echo 'END OF TABLE LEVEL ' , $this->_tableLevel , '<br />';
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$column = $this->_releaseTableStartColumn();
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if ($this->_tableLevel > 1) {
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++$column;
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} else {
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++$row;
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}
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break;
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case 'thead' :
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case 'tbody' :
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$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
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break;
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case 'tr' :
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$column = $this->_getTableStartColumn();
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|
|
$cellContent = '';
|
||
|
|
// echo 'START OF TABLE ' , $this->_tableLevel , ' ROW<br />';
|
||
|
|
$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
|
||
|
|
++$row;
|
||
|
|
// echo 'END OF TABLE ' , $this->_tableLevel , ' ROW<br />';
|
||
|
|
break;
|
||
|
|
case 'th' :
|
||
|
|
case 'td' :
|
||
|
|
// echo 'START OF TABLE ' , $this->_tableLevel , ' CELL<br />';
|
||
|
|
$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
|
||
|
|
// echo 'END OF TABLE ' , $this->_tableLevel , ' CELL<br />';
|
||
|
|
|
||
|
|
while (isset($this->rowspan[$column . $row])) {
|
||
|
|
++$column;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->_flushCell($sheet, $column, $row, $cellContent);
|
||
|
|
|
||
|
|
// if (isset($attributeArray['style']) && !empty($attributeArray['style'])) {
|
||
|
|
// $styleAry = $this->getPhpExcelStyleArray($attributeArray['style']);
|
||
|
|
//
|
||
|
|
// if (!empty($styleAry)) {
|
||
|
|
// $sheet->getStyle($column . $row)->applyFromArray($styleAry);
|
||
|
|
// }
|
||
|
|
// }
|
||
|
|
|
||
|
|
if (isset($attributeArray['rowspan']) && isset($attributeArray['colspan'])) {
|
||
|
|
//create merging rowspan and colspan
|
||
|
|
$columnTo = $column;
|
||
|
|
for ($i = 0; $i < $attributeArray['colspan'] - 1; $i++) {
|
||
|
|
++$columnTo;
|
||
|
|
}
|
||
|
|
$range = $column . $row . ':' . $columnTo . ($row + $attributeArray['rowspan'] - 1);
|
||
|
|
foreach (\PHPExcel_Cell::extractAllCellReferencesInRange($range) as $value) {
|
||
|
|
$this->rowspan[$value] = true;
|
||
|
|
}
|
||
|
|
$sheet->mergeCells($range);
|
||
|
|
$column = $columnTo;
|
||
|
|
} elseif (isset($attributeArray['rowspan'])) {
|
||
|
|
//create merging rowspan
|
||
|
|
$range = $column . $row . ':' . $column . ($row + $attributeArray['rowspan'] - 1);
|
||
|
|
foreach (\PHPExcel_Cell::extractAllCellReferencesInRange($range) as $value) {
|
||
|
|
$this->rowspan[$value] = true;
|
||
|
|
}
|
||
|
|
$sheet->mergeCells($range);
|
||
|
|
} elseif (isset($attributeArray['colspan'])) {
|
||
|
|
//create merging colspan
|
||
|
|
$columnTo = $column;
|
||
|
|
for ($i = 0; $i < $attributeArray['colspan'] - 1; $i++) {
|
||
|
|
++$columnTo;
|
||
|
|
}
|
||
|
|
$sheet->mergeCells($column . $row . ':' . $columnTo . $row);
|
||
|
|
$column = $columnTo;
|
||
|
|
}
|
||
|
|
++$column;
|
||
|
|
break;
|
||
|
|
case 'body' :
|
||
|
|
$row = 1;
|
||
|
|
$column = 'A';
|
||
|
|
$content = '';
|
||
|
|
$this->_tableLevel = 0;
|
||
|
|
$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
|
||
|
|
break;
|
||
|
|
default:
|
||
|
|
$this->_processDomElement($child, $sheet, $row, $column, $cellContent);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Loads PHPExcel from file into PHPExcel instance
|
||
|
|
*
|
||
|
|
* @param string $pFilename
|
||
|
|
* @param PHPExcel $objPHPExcel
|
||
|
|
* @return PHPExcel
|
||
|
|
* @throws PHPExcel_Reader_Exception
|
||
|
|
*/
|
||
|
|
public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
|
||
|
|
{
|
||
|
|
// Open file to validate
|
||
|
|
$this->_openFile($pFilename);
|
||
|
|
if (!$this->_isValidFormat()) {
|
||
|
|
fclose($this->_fileHandle);
|
||
|
|
throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid HTML file.");
|
||
|
|
}
|
||
|
|
// Close after validating
|
||
|
|
fclose($this->_fileHandle);
|
||
|
|
|
||
|
|
// Create new PHPExcel
|
||
|
|
while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
|
||
|
|
$objPHPExcel->createSheet();
|
||
|
|
}
|
||
|
|
$objPHPExcel->setActiveSheetIndex($this->_sheetIndex);
|
||
|
|
|
||
|
|
// Create a new DOM object
|
||
|
|
$dom = new domDocument;
|
||
|
|
// Reload the HTML file into the DOM object
|
||
|
|
$loaded = $dom->loadHTML($this->securityScanFile($pFilename));
|
||
|
|
if ($loaded === FALSE) {
|
||
|
|
throw new PHPExcel_Reader_Exception('Failed to load ', $pFilename, ' as a DOM Document');
|
||
|
|
}
|
||
|
|
|
||
|
|
// Discard white space
|
||
|
|
$dom->preserveWhiteSpace = false;
|
||
|
|
|
||
|
|
$row = 0;
|
||
|
|
$column = 'A';
|
||
|
|
$content = '';
|
||
|
|
$this->_processDomElement($dom, $objPHPExcel->getActiveSheet(), $row, $column, $content);
|
||
|
|
|
||
|
|
// Return
|
||
|
|
return $objPHPExcel;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Get sheet index
|
||
|
|
*
|
||
|
|
* @return int
|
||
|
|
*/
|
||
|
|
public function getSheetIndex()
|
||
|
|
{
|
||
|
|
return $this->_sheetIndex;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Set sheet index
|
||
|
|
*
|
||
|
|
* @param int $pValue Sheet index
|
||
|
|
* @return PHPExcel_Reader_HTML
|
||
|
|
*/
|
||
|
|
public function setSheetIndex($pValue = 0)
|
||
|
|
{
|
||
|
|
$this->_sheetIndex = $pValue;
|
||
|
|
|
||
|
|
return $this;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Scan theXML for use of <!ENTITY to prevent XXE/XEE attacks
|
||
|
|
*
|
||
|
|
* @param string $xml
|
||
|
|
* @throws PHPExcel_Reader_Exception
|
||
|
|
*/
|
||
|
|
public function securityScan($xml)
|
||
|
|
{
|
||
|
|
$pattern = '/\\0?' . implode('\\0?', str_split('<!ENTITY')) . '\\0?/';
|
||
|
|
if (preg_match($pattern, $xml)) {
|
||
|
|
throw new PHPExcel_Reader_Exception('Detected use of ENTITY in XML, spreadsheet file load() aborted to prevent XXE/XEE attacks');
|
||
|
|
}
|
||
|
|
return $xml;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|