429 lines
10 KiB
PHP
429 lines
10 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2010 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 - 2010 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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PHPExcel_Autoloader::Register();
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PHPExcel_Shared_ZipStreamWrapper::register();
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// check mbstring.func_overload
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if (ini_get('mbstring.func_overload') & 2) {
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throw new Exception('Multibyte function overloading in PHP must be disabled for string functions (2).');
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}
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}
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/**
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* PHPExcel_Reader_Gnumeric
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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 - 2010 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Reader_Gnumeric implements PHPExcel_Reader_IReader
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{
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/**
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* Read data only?
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*
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* @var boolean
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*/
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private $_readDataOnly = false;
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/**
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* Restict which sheets should be loaded?
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*
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* @var array
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*/
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private $_loadSheetsOnly = null;
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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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private $_sheetIndex;
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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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private $_styles = array();
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/**
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* Shared Expressions
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*
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* @var array
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*/
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private $_expressions = array();
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private $_referenceHelper = null;
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/**
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* PHPExcel_Reader_IReadFilter instance
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*
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* @var PHPExcel_Reader_IReadFilter
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*/
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private $_readFilter = null;
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/**
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* Read data only?
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*
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* @return boolean
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*/
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public function getReadDataOnly() {
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return $this->_readDataOnly;
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}
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/**
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* Set read data only
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*
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* @param boolean $pValue
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* @return PHPExcel_Reader_Gnumeric
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*/
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public function setReadDataOnly($pValue = false) {
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$this->_readDataOnly = $pValue;
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return $this;
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}
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/**
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* Get which sheets to load
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*
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* @return mixed
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*/
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public function getLoadSheetsOnly()
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{
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return $this->_loadSheetsOnly;
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}
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/**
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* Set which sheets to load
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*
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* @param mixed $value
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* @return PHPExcel_Reader_Gnumeric
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*/
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public function setLoadSheetsOnly($value = null)
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{
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$this->_loadSheetsOnly = is_array($value) ?
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$value : array($value);
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return $this;
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}
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/**
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* Set all sheets to load
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*
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* @return PHPExcel_Reader_Gnumeric
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*/
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public function setLoadAllSheets()
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{
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$this->_loadSheetsOnly = null;
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return $this;
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}
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/**
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* Read filter
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*
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* @return PHPExcel_Reader_IReadFilter
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*/
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public function getReadFilter() {
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return $this->_readFilter;
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}
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/**
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* Set read filter
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*
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* @param PHPExcel_Reader_IReadFilter $pValue
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* @return PHPExcel_Reader_Gnumeric
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*/
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public function setReadFilter(PHPExcel_Reader_IReadFilter $pValue) {
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$this->_readFilter = $pValue;
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return $this;
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}
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/**
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* Create a new PHPExcel_Reader_Gnumeric
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*/
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public function __construct() {
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$this->_sheetIndex = 0;
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$this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();
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$this->_referenceHelper = PHPExcel_ReferenceHelper::getInstance();
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}
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/**
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* Can the current PHPExcel_Reader_IReader read the file?
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*
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* @param string $pFileName
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* @return boolean
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*/
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public function canRead($pFilename)
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{
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// Check if zip class exists
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if (!function_exists('gzread')) {
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return false;
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}
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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return true;
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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 $pFilename
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* @return PHPExcel
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* @throws Exception
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*/
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public function load($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, $objPHPExcel);
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}
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private static function identifyFixedStyleValue($styleList,&$styleAttributeValue) {
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$styleAttributeValue = strtolower($styleAttributeValue);
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foreach($styleList as $style) {
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if ($styleAttributeValue == strtolower($style)) {
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$styleAttributeValue = $style;
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return true;
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}
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}
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return false;
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}
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private function _gzfileGetContents($filename) {
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$file = @gzopen($filename, 'rb');
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if ($file !== false) {
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$data = '';
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while (!gzeof($file)) {
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$data .= gzread($file, 1024);
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}
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gzclose($file);
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}
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return $data;
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}
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/**
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* Loads PHPExcel from file into PHPExcel instance
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*
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* @param string $pFilename
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* @param PHPExcel $objPHPExcel
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* @return PHPExcel
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* @throws Exception
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*/
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public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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$timezoneObj = new DateTimeZone('Europe/London');
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$GMT = new DateTimeZone('UTC');
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$gFileData = $this->_gzfileGetContents($pFilename);
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// echo '<pre>';
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// echo htmlentities($gFileData);
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// echo '</pre><hr />';
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//
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$xml = simplexml_load_string($gFileData);
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$namespacesMeta = $xml->getNamespaces(true);
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// var_dump($namespacesMeta);
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//
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$gnmXML = $xml->children($namespacesMeta['gnm']);
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$officeXML = $xml->children($namespacesMeta['office']);
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$officeDocXML = $officeXML->{'document-meta'};
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$officeDocMetaXML = $officeDocXML->meta;
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$docProps = $objPHPExcel->getProperties();
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foreach($officeDocMetaXML as $officePropertyData) {
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$officePropertyDC = array();
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if (isset($namespacesMeta['dc'])) {
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$officePropertyDC = $officePropertyData->children($namespacesMeta['dc']);
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}
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foreach($officePropertyDC as $propertyName => $propertyValue) {
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$propertyValue = (string) $propertyValue;
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switch ($propertyName) {
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case 'title' :
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$docProps->setTitle(trim($propertyValue));
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break;
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case 'subject' :
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$docProps->setSubject(trim($propertyValue));
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break;
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case 'creator' :
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$docProps->setCreator(trim($propertyValue));
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break;
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case 'date' :
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$creationDate = strtotime(trim($propertyValue));
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$docProps->setCreated($creationDate);
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break;
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case 'description' :
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$docProps->setDescription(trim($propertyValue));
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break;
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}
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}
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$officePropertyMeta = array();
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if (isset($namespacesMeta['meta'])) {
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$officePropertyMeta = $officePropertyData->children($namespacesMeta['meta']);
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}
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foreach($officePropertyMeta as $propertyName => $propertyValue) {
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$attributes = $propertyValue->attributes($namespacesMeta['meta']);
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$propertyValue = (string) $propertyValue;
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switch ($propertyName) {
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case 'keyword' :
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$docProps->setKeywords(trim($propertyValue));
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break;
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case 'initial-creator' :
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$docProps->setCreator(trim($propertyValue));
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break;
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case 'creation-date' :
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$creationDate = strtotime(trim($propertyValue));
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$docProps->setCreated($creationDate);
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break;
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case 'user-defined' :
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list(,$attrName) = explode(':',$attributes['name']);
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switch ($attrName) {
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case 'publisher' :
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$docProps->setCompany(trim($propertyValue));
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break;
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case 'category' :
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$docProps->setCategory(trim($propertyValue));
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break;
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case 'manager' :
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$docProps->setManager(trim($propertyValue));
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break;
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}
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break;
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}
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}
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}
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$worksheetID = 0;
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foreach($gnmXML->Sheets->Sheet as $sheet) {
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$worksheetName = (string) $sheet->Name;
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// echo '<b>Worksheet: ',$worksheetName,'</b><br />';
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if ((isset($this->_loadSheetsOnly)) && (!in_array($worksheetName, $this->_loadSheetsOnly))) {
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continue;
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}
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// Create new Worksheet
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$objPHPExcel->createSheet();
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$objPHPExcel->setActiveSheetIndex($worksheetID);
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$objPHPExcel->getActiveSheet()->setTitle($worksheetName);
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foreach($sheet->Cells->Cell as $cell) {
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$cellAttributes = $cell->attributes();
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$row = (string) $cellAttributes->Row + 1;
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$column = PHPExcel_Cell::stringFromColumnIndex($cellAttributes->Col);
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$ValueType = $cellAttributes->ValueType;
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$ExprID = (string) $cellAttributes->ExprID;
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// echo 'Cell ',$column,$row,'<br />';
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// echo 'Type is ',$ValueType,'<br />';
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// echo 'Value is ',$cell,'<br />';
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$type = PHPExcel_Cell_DataType::TYPE_FORMULA;
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if ($ExprID > '') {
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if (((string) $cell) > '') {
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$this->_expressions[$ExprID] = array( 'column' => $cellAttributes->Col,
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'row' => $cellAttributes->Row,
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'formula' => (string) $cell
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);
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// echo 'NEW EXPRESSION ',$ExprID,'<br />';
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} else {
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$expression = $this->_expressions[$ExprID];
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$cell = $this->_referenceHelper->updateFormulaReferences( $expression['formula'],
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'A1',
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$cellAttributes->Col - $expression['column'],
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$cellAttributes->Row - $expression['row'],
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$worksheetName
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);
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// echo 'SHARED EXPRESSION ',$ExprID,'<br />';
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// echo 'New Value is ',$cell,'<br />';
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}
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}
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switch($ValueType) {
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case '20' :
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$type = PHPExcel_Cell_DataType::TYPE_BOOL;
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$cell = ($cell == 'TRUE') ? True : False;
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break;
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case '40' :
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$type = PHPExcel_Cell_DataType::TYPE_NUMERIC;
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break;
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case '60' :
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$type = PHPExcel_Cell_DataType::TYPE_STRING;
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break;
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}
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$objPHPExcel->getActiveSheet()->getCell($column.$row)->setValueExplicit($cell,$type);
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}
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$worksheetID++;
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}
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// Return
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return $objPHPExcel;
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}
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/**
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* Get sheet index
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*
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* @return int
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*/
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public function getSheetIndex() {
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return $this->_sheetIndex;
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}
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/**
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* Set sheet index
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*
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* @param int $pValue Sheet index
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* @return PHPExcel_Reader_Gnumeric
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*/
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public function setSheetIndex($pValue = 0) {
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$this->_sheetIndex = $pValue;
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return $this;
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}
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}
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