File Source for CSV.php

<?php
/**
* PHPExcel
*
* Copyright (c) 2006 - 2011 PHPExcel
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
* @category PHPExcel
* @package PHPExcel_Reader
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
* @version 1.7.6, 2011-02-27
*/
/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT')) {
/**
* @ignore
*/
define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
}
/**
* PHPExcel_Reader_CSV
*
* @category PHPExcel
* @package PHPExcel_Reader
* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
*/
class PHPExcel_Reader_CSV implements PHPExcel_Reader_IReader
{
/**
* Input encoding
*
* @access private
* @var string
*/
private $_inputEncoding = 'UTF-8';
/**
* Delimiter
*
* @access private
* @var string
*/
private $_delimiter = ',';
/**
* Enclosure
*
* @access private
* @var string
*/
private $_enclosure = '"';
/**
* Line ending
*
* @access private
* @var string
*/
private $_lineEnding = PHP_EOL;
/**
* Sheet index to read
*
* @access private
* @var int
*/
private $_sheetIndex = 0;
/**
* Load rows contiguously
*
* @access private
* @var int
*/
private $_contiguous = false;
/**
* Row counter for loading rows contiguously
*
* @access private
* @var int
*/
private $_contiguousRow = -1;
/**
* PHPExcel_Reader_IReadFilter instance
*
* @access private
* @var PHPExcel_Reader_IReadFilter
*/
private $_readFilter = null;
/**
* Create a new PHPExcel_Reader_CSV
*/
public function __construct() {
$this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();
} // function __construct()
/**
* Can the current PHPExcel_Reader_IReader read the file?
*
* @access public
* @param string $pFileName
* @return boolean
* @throws Exception
*/
public function canRead($pFilename)
{
// Check if file exists
if (!file_exists($pFilename)) {
throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
return true;
} // function canRead()
/**
* Loads PHPExcel from file
*
* @access public
* @param string $pFilename
* @return PHPExcel
* @throws Exception
*/
public function load($pFilename)
{
// Create new PHPExcel
$objPHPExcel = new PHPExcel();
// Load into this instance
return $this->loadIntoExisting($pFilename, $objPHPExcel);
} // function load()
/**
* Read filter
*
* @access public
* @return PHPExcel_Reader_IReadFilter
*/
public function getReadFilter() {
return $this->_readFilter;
} // function getReadFilter()
/**
* Set read filter
*
* @access public
* @param PHPExcel_Reader_IReadFilter $pValue
*/
public function setReadFilter(PHPExcel_Reader_IReadFilter $pValue) {
$this->_readFilter = $pValue;
return $this;
} // function setReadFilter()
/**
* Set input encoding
*
* @access public
* @param string $pValue Input encoding
*/
public function setInputEncoding($pValue = 'UTF-8')
{
$this->_inputEncoding = $pValue;
return $this;
} // function setInputEncoding()
/**
* Get input encoding
*
* @access public
* @return string
*/
public function getInputEncoding()
{
return $this->_inputEncoding;
} // function getInputEncoding()
/**
* Loads PHPExcel from file into PHPExcel instance
*
* @access public
* @param string $pFilename
* @param PHPExcel $objPHPExcel
* @return PHPExcel
* @throws Exception
*/
public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)
{
// Check if file exists
if (!file_exists($pFilename)) {
throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
}
// Create new PHPExcel
while ($objPHPExcel->getSheetCount() <= $this->_sheetIndex) {
$objPHPExcel->createSheet();
}
$objPHPExcel->setActiveSheetIndex( $this->_sheetIndex );
// Open file
$fileHandle = fopen($pFilename, 'r');
if ($fileHandle === false) {
throw new Exception("Could not open file $pFilename for reading.");
}
// Skip BOM, if any
switch ($this->_inputEncoding) {
case 'UTF-8':
fgets($fileHandle, 4) == "\xEF\xBB\xBF" ?
fseek($fileHandle, 3) : fseek($fileHandle, 0);
break;
case 'UTF-16LE':
fgets($fileHandle, 3) == "\xFF\xFE" ?
fseek($fileHandle, 2) : fseek($fileHandle, 0);
break;
case 'UTF-16BE':
fgets($fileHandle, 3) == "\xFE\xFF" ?
fseek($fileHandle, 2) : fseek($fileHandle, 0);
break;
case 'UTF-32LE':
fgets($fileHandle, 5) == "\xFF\xFE\x00\x00" ?
fseek($fileHandle, 4) : fseek($fileHandle, 0);
break;
case 'UTF-32BE':
fgets($fileHandle, 5) == "\x00\x00\xFE\xFF" ?
fseek($fileHandle, 4) : fseek($fileHandle, 0);
break;
default:
break;
}
$escapeEnclosures = array( "\\" . $this->_enclosure,
$this->_enclosure . $this->_enclosure
);
// Set our starting row based on whether we're in contiguous mode or not
$currentRow = 1;
if ($this->_contiguous) {
$currentRow = ($this->_contiguousRow == -1) ? $objPHPExcel->getActiveSheet()->getHighestRow(): $this->_contiguousRow;
}
// Loop through each line of the file in turn
while (($rowData = fgetcsv($fileHandle, 0, $this->_delimiter, $this->_enclosure)) !== FALSE) {
$columnLetter = 'A';
foreach($rowData as $rowDatum) {
if ($rowDatum != '' && $this->_readFilter->readCell($columnLetter, $currentRow)) {
// Unescape enclosures
$rowDatum = str_replace($escapeEnclosures, $this->_enclosure, $rowDatum);
// Convert encoding if necessary
if ($this->_inputEncoding !== 'UTF-8') {
$rowDatum = PHPExcel_Shared_String::ConvertEncoding($rowDatum, 'UTF-8', $this->_inputEncoding);
}
// Set cell value
$objPHPExcel->getActiveSheet()->getCell($columnLetter . $currentRow)->setValue($rowDatum);
}
++$columnLetter;
}
++$currentRow;
}
// Close file
fclose($fileHandle);
if ($this->_contiguous) {
$this->_contiguousRow = $currentRow;
}
// Return
return $objPHPExcel;
} // function loadIntoExisting()
/**
* Get delimiter
*
* @access public
* @return string
*/
public function getDelimiter() {
return $this->_delimiter;
} // function getDelimiter()
/**
* Set delimiter
*
* @access public
* @param string $pValue Delimiter, defaults to ,
* @return PHPExcel_Reader_CSV
*/
public function setDelimiter($pValue = ',') {
$this->_delimiter = $pValue;
return $this;
} // function setDelimiter()
/**
* Get enclosure
*
* @access public
* @return string
*/
public function getEnclosure() {
return $this->_enclosure;
} // function getEnclosure()
/**
* Set enclosure
*
* @access public
* @param string $pValue Enclosure, defaults to "
* @return PHPExcel_Reader_CSV
*/
public function setEnclosure($pValue = '"') {
if ($pValue == '') {
$pValue = '"';
}
$this->_enclosure = $pValue;
return $this;
} // function setEnclosure()
/**
* Get line ending
*
* @access public
* @return string
*/
public function getLineEnding() {
return $this->_lineEnding;
} // function getLineEnding()
/**
* Set line ending
*
* @access public
* @param string $pValue Line ending, defaults to OS line ending (PHP_EOL)
* @return PHPExcel_Reader_CSV
*/
public function setLineEnding($pValue = PHP_EOL) {
$this->_lineEnding = $pValue;
return $this;
} // function setLineEnding()
/**
* Get sheet index
*
* @access public
* @return int
*/
public function getSheetIndex() {
return $this->_sheetIndex;
} // function getSheetIndex()
/**
* Set sheet index
*
* @access public
* @param int $pValue Sheet index
* @return PHPExcel_Reader_CSV
*/
public function setSheetIndex($pValue = 0) {
$this->_sheetIndex = $pValue;
return $this;
} // function setSheetIndex()
/**
* Set Contiguous
*
* @access public
* @param string $pValue Input encoding
*/
public function setContiguous($contiguous = false)
{
$this->_contiguous = (bool)$contiguous;
if (!$contiguous) {
$this->_contiguousRow = -1;
}
return $this;
} // function setInputEncoding()
/**
* Get Contiguous
*
* @access public
* @return boolean
*/
public function getContiguous() {
return $this->_contiguous;
} // function getSheetIndex()
}

Source for file CSV.php