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extend/phpexcel/PHPExcel/Reader/Abstract.php
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extend/phpexcel/PHPExcel/Reader/Abstract.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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/**
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* PHPExcel_Reader_Abstract
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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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abstract class PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader
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{
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/**
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* Read data only?
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* Identifies whether the Reader should only read data values for cells, and ignore any formatting information;
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* or whether it should read both data and formatting
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*
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* @var boolean
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*/
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protected $_readDataOnly = FALSE;
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/**
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* Read charts that are defined in the workbook?
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* Identifies whether the Reader should read the definitions for any charts that exist in the workbook;
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*
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* @var boolean
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*/
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protected $_includeCharts = FALSE;
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/**
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* Restrict which sheets should be loaded?
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* This property holds an array of worksheet names to be loaded. If null, then all worksheets will be loaded.
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*
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* @var array of string
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*/
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protected $_loadSheetsOnly = 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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protected $_readFilter = NULL;
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protected $_fileHandle = NULL;
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/**
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* Read data only?
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* If this is true, then the Reader will only read data values for cells, it will not read any formatting information.
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* If false (the default) it will read data and formatting.
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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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* Set to true, to advise the Reader only to read data values for cells, and to ignore any formatting information.
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* Set to false (the default) to advise the Reader to read both data and formatting for cells.
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*
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* @param boolean $pValue
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*
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* @return PHPExcel_Reader_IReader
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*/
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public function setReadDataOnly($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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* Read charts in workbook?
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* If this is true, then the Reader will include any charts that exist in the workbook.
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* Note that a ReadDataOnly value of false overrides, and charts won't be read regardless of the IncludeCharts value.
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* If false (the default) it will ignore any charts defined in the workbook file.
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*
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* @return boolean
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*/
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public function getIncludeCharts() {
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return $this->_includeCharts;
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}
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/**
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* Set read charts in workbook
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* Set to true, to advise the Reader to include any charts that exist in the workbook.
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* Note that a ReadDataOnly value of false overrides, and charts won't be read regardless of the IncludeCharts value.
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* Set to false (the default) to discard charts.
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*
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* @param boolean $pValue
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*
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* @return PHPExcel_Reader_IReader
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*/
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public function setIncludeCharts($pValue = FALSE) {
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$this->_includeCharts = (boolean) $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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* Returns either an array of worksheet names (the list of worksheets that should be loaded), or a null
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* indicating that all worksheets in the workbook should be loaded.
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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 $value
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* This should be either an array of worksheet names to be loaded, or a string containing a single worksheet name.
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* If NULL, then it tells the Reader to read all worksheets in the workbook
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*
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* @return PHPExcel_Reader_IReader
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*/
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public function setLoadSheetsOnly($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 $this;
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}
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/**
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* Set all sheets to load
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* Tells the Reader to load all worksheets from the workbook.
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*
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* @return PHPExcel_Reader_IReader
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*/
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public function setLoadAllSheets()
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{
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$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_IReader
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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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* Open file for reading
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*
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* @param string $pFilename
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* @throws PHPExcel_Reader_Exception
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* @return resource
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*/
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protected function _openFile($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename) || !is_readable($pFilename)) {
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throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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// Open file
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$this->_fileHandle = fopen($pFilename, 'r');
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if ($this->_fileHandle === FALSE) {
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throw new PHPExcel_Reader_Exception("Could not open file " . $pFilename . " for reading.");
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}
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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 $pFilename
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* @return boolean
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* @throws PHPExcel_Reader_Exception
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*/
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public function canRead($pFilename)
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{
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// Check if file exists
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try {
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$this->_openFile($pFilename);
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} catch (Exception $e) {
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return FALSE;
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}
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$readable = $this->_isValidFormat();
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fclose ($this->_fileHandle);
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return $readable;
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}
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}
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