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extend/phpexcel/PHPExcel/Reader/CSV.php
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415
extend/phpexcel/PHPExcel/Reader/CSV.php
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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 1.8.0, 2014-03-02
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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_CSV
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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_CSV 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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* @access private
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* @var string
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*/
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private $_inputEncoding = 'UTF-8';
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/**
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* Delimiter
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*
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* @access private
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* @var string
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*/
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private $_delimiter = ',';
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/**
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* Enclosure
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*
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* @access private
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* @var string
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*/
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private $_enclosure = '"';
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/**
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* Line ending
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*
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* @access private
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* @var string
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*/
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private $_lineEnding = PHP_EOL;
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/**
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* Sheet index to read
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*
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* @access private
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* @var int
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*/
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private $_sheetIndex = 0;
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/**
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* Load rows contiguously
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*
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* @access private
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* @var int
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*/
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private $_contiguous = false;
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/**
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* Row counter for loading rows contiguously
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*
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* @var int
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*/
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private $_contiguousRow = -1;
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/**
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* Create a new PHPExcel_Reader_CSV
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*/
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public function __construct() {
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$this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();
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}
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/**
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* Validate that the current file is a CSV 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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return TRUE;
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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 = 'UTF-8')
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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 $this->_inputEncoding;
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}
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/**
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* Move filepointer past any BOM marker
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*
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*/
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protected function _skipBOM()
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{
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rewind($this->_fileHandle);
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switch ($this->_inputEncoding) {
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case 'UTF-8':
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fgets($this->_fileHandle, 4) == "\xEF\xBB\xBF" ?
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fseek($this->_fileHandle, 3) : fseek($this->_fileHandle, 0);
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break;
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case 'UTF-16LE':
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fgets($this->_fileHandle, 3) == "\xFF\xFE" ?
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fseek($this->_fileHandle, 2) : fseek($this->_fileHandle, 0);
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break;
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case 'UTF-16BE':
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fgets($this->_fileHandle, 3) == "\xFE\xFF" ?
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fseek($this->_fileHandle, 2) : fseek($this->_fileHandle, 0);
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break;
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case 'UTF-32LE':
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fgets($this->_fileHandle, 5) == "\xFF\xFE\x00\x00" ?
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fseek($this->_fileHandle, 4) : fseek($this->_fileHandle, 0);
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break;
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case 'UTF-32BE':
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fgets($this->_fileHandle, 5) == "\x00\x00\xFE\xFF" ?
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fseek($this->_fileHandle, 4) : fseek($this->_fileHandle, 0);
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break;
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default:
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break;
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}
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}
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/**
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* Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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*/
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public function listWorksheetInfo($pFilename)
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{
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// Open file
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$this->_openFile($pFilename);
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if (!$this->_isValidFormat()) {
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fclose ($this->_fileHandle);
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throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
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}
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$fileHandle = $this->_fileHandle;
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// Skip BOM, if any
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$this->_skipBOM();
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$escapeEnclosures = array( "\\" . $this->_enclosure, $this->_enclosure . $this->_enclosure );
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$worksheetInfo = array();
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$worksheetInfo[0]['worksheetName'] = 'Worksheet';
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$worksheetInfo[0]['lastColumnLetter'] = 'A';
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$worksheetInfo[0]['lastColumnIndex'] = 0;
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$worksheetInfo[0]['totalRows'] = 0;
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$worksheetInfo[0]['totalColumns'] = 0;
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// Loop through each line of the file in turn
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while (($rowData = fgetcsv($fileHandle, 0, $this->_delimiter, $this->_enclosure)) !== FALSE) {
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$worksheetInfo[0]['totalRows']++;
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$worksheetInfo[0]['lastColumnIndex'] = max($worksheetInfo[0]['lastColumnIndex'], count($rowData) - 1);
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}
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$worksheetInfo[0]['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($worksheetInfo[0]['lastColumnIndex']);
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$worksheetInfo[0]['totalColumns'] = $worksheetInfo[0]['lastColumnIndex'] + 1;
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// Close file
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fclose($fileHandle);
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return $worksheetInfo;
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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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* Loads PHPExcel from file into PHPExcel instance
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*
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* @param string $pFilename
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* @param PHPExcel $objPHPExcel
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* @return PHPExcel
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* @throws PHPExcel_Reader_Exception
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*/
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public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
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{
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$lineEnding = ini_get('auto_detect_line_endings');
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ini_set('auto_detect_line_endings', true);
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// Open file
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$this->_openFile($pFilename);
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if (!$this->_isValidFormat()) {
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fclose ($this->_fileHandle);
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throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");
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}
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$fileHandle = $this->_fileHandle;
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// Skip BOM, if any
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$this->_skipBOM();
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// Create new PHPExcel object
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while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
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$objPHPExcel->createSheet();
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}
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$sheet = $objPHPExcel->setActiveSheetIndex($this->_sheetIndex);
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$escapeEnclosures = array( "\\" . $this->_enclosure,
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$this->_enclosure . $this->_enclosure
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);
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// Set our starting row based on whether we're in contiguous mode or not
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$currentRow = 1;
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if ($this->_contiguous) {
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$currentRow = ($this->_contiguousRow == -1) ? $sheet->getHighestRow(): $this->_contiguousRow;
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}
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// Loop through each line of the file in turn
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while (($rowData = fgetcsv($fileHandle, 0, $this->_delimiter, $this->_enclosure)) !== FALSE) {
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$columnLetter = 'A';
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foreach($rowData as $rowDatum) {
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if ($rowDatum != '' && $this->_readFilter->readCell($columnLetter, $currentRow)) {
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// Unescape enclosures
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$rowDatum = str_replace($escapeEnclosures, $this->_enclosure, $rowDatum);
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// Convert encoding if necessary
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if ($this->_inputEncoding !== 'UTF-8') {
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$rowDatum = PHPExcel_Shared_String::ConvertEncoding($rowDatum, 'UTF-8', $this->_inputEncoding);
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}
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// Set cell value
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$sheet->getCell($columnLetter . $currentRow)->setValue($rowDatum);
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}
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++$columnLetter;
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}
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++$currentRow;
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}
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// Close file
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fclose($fileHandle);
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if ($this->_contiguous) {
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$this->_contiguousRow = $currentRow;
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}
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ini_set('auto_detect_line_endings', $lineEnding);
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// Return
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return $objPHPExcel;
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}
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/**
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* Get delimiter
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*
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* @return string
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*/
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public function getDelimiter() {
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return $this->_delimiter;
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}
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/**
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* Set delimiter
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*
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* @param string $pValue Delimiter, defaults to ,
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* @return PHPExcel_Reader_CSV
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*/
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public function setDelimiter($pValue = ',') {
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$this->_delimiter = $pValue;
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return $this;
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}
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/**
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* Get enclosure
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*
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* @return string
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*/
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public function getEnclosure() {
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return $this->_enclosure;
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}
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/**
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* Set enclosure
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*
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* @param string $pValue Enclosure, defaults to "
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* @return PHPExcel_Reader_CSV
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*/
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public function setEnclosure($pValue = '"') {
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if ($pValue == '') {
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$pValue = '"';
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}
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$this->_enclosure = $pValue;
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return $this;
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}
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/**
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* Get line ending
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*
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* @return string
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*/
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public function getLineEnding() {
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return $this->_lineEnding;
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}
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/**
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* Set line ending
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*
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* @param string $pValue Line ending, defaults to OS line ending (PHP_EOL)
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* @return PHPExcel_Reader_CSV
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*/
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public function setLineEnding($pValue = PHP_EOL) {
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$this->_lineEnding = $pValue;
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return $this;
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}
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/**
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* Get sheet index
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*
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* @return integer
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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 integer $pValue Sheet index
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* @return PHPExcel_Reader_CSV
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*/
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public function setSheetIndex($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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* Set Contiguous
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*
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* @param boolean $contiguous
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*/
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public function setContiguous($contiguous = FALSE)
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{
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$this->_contiguous = (bool) $contiguous;
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if (!$contiguous) {
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$this->_contiguousRow = -1;
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}
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return $this;
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}
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/**
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* Get Contiguous
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*
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* @return boolean
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*/
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public function getContiguous() {
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return $this->_contiguous;
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}
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}
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