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Diffstat (limited to 'admin/survey/excel/PHPExcel/Reader/CSV.php')
| -rw-r--r-- | admin/survey/excel/PHPExcel/Reader/CSV.php | 505 |
1 files changed, 505 insertions, 0 deletions
diff --git a/admin/survey/excel/PHPExcel/Reader/CSV.php b/admin/survey/excel/PHPExcel/Reader/CSV.php new file mode 100644 index 0000000..4115df5 --- /dev/null +++ b/admin/survey/excel/PHPExcel/Reader/CSV.php @@ -0,0 +1,505 @@ +<?php
+/**
+ * PHPExcel
+ *
+ * Copyright (c) 2006 - 2012 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 - 2012 PHPExcel (http://www.codeplex.com/PHPExcel)
+ * @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
+ * @version 1.7.8, 2012-10-12
+ */
+
+
+/** 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 - 2012 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()
+
+
+ /**
+ * 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()
+
+
+ /**
+ * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
+ *
+ * @access public
+ * @param string $pFilename
+ * @throws Exception
+ */
+ public function listWorksheetInfo($pFilename)
+ {
+ // Check if file exists
+ if (!file_exists($pFilename)) {
+ throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
+ }
+
+ // 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 );
+
+ $worksheetInfo = array();
+ $worksheetInfo[0]['worksheetName'] = 'Worksheet';
+ $worksheetInfo[0]['lastColumnLetter'] = 'A';
+ $worksheetInfo[0]['lastColumnIndex'] = 0;
+ $worksheetInfo[0]['totalRows'] = 0;
+ $worksheetInfo[0]['totalColumns'] = 0;
+
+ // Loop through each line of the file in turn
+ while (($rowData = fgetcsv($fileHandle, 0, $this->_delimiter, $this->_enclosure)) !== FALSE) {
+ $worksheetInfo[0]['totalRows']++;
+ $worksheetInfo[0]['lastColumnIndex'] = max($worksheetInfo[0]['lastColumnIndex'], count($rowData) - 1);
+ }
+
+ $worksheetInfo[0]['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($worksheetInfo[0]['lastColumnIndex']);
+ $worksheetInfo[0]['totalColumns'] = $worksheetInfo[0]['lastColumnIndex'] + 1;
+
+ // Close file
+ fclose($fileHandle);
+
+ return $worksheetInfo;
+ }
+
+
+ /**
+ * 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()
+
+
+ /**
+ * 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();
+ }
+ $sheet = $objPHPExcel->setActiveSheetIndex( $this->_sheetIndex );
+
+ $lineEnding = ini_get('auto_detect_line_endings');
+ ini_set('auto_detect_line_endings', true);
+
+ // 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) ? $sheet->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
+ $sheet->getCell($columnLetter . $currentRow)->setValue($rowDatum);
+ }
+ ++$columnLetter;
+ }
+ ++$currentRow;
+ }
+
+ // Close file
+ fclose($fileHandle);
+
+ if ($this->_contiguous) {
+ $this->_contiguousRow = $currentRow;
+ }
+
+ ini_set('auto_detect_line_endings', $lineEnding);
+
+ // 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()
+
+}
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