<?php

/**

 * PHPExcel

 *

 * Copyright (c) 2006 - 2014 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 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL

 * @version    1.8.0, 2014-03-02

 */





/** PHPExcel root directory */

if (!defined('PHPEXCEL_ROOT')) {

	/**

	 * @ignore

	 */

	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');

	require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');

}



/**

 * PHPExcel_Reader_Excel2003XML

 *

 * @category   PHPExcel

 * @package    PHPExcel_Reader

 * @copyright  Copyright (c) 2006 - 2014 PHPExcel (http://www.codeplex.com/PHPExcel)

 */

class PHPExcel_Reader_Excel2003XML extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader

{

	/**

	 * Formats

	 *

	 * @var array

	 */

	private $_styles = array();



	/**

	 * Character set used in the file

	 *

	 * @var string

	 */

	private $_charSet = 'UTF-8';





	/**

	 * Create a new PHPExcel_Reader_Excel2003XML

	 */

	public function __construct() {

		$this->_readFilter 	= new PHPExcel_Reader_DefaultReadFilter();

	}





	/**

	 * Can the current PHPExcel_Reader_IReader read the file?

	 *

	 * @param 	string 		$pFilename

	 * @return 	boolean

	 * @throws PHPExcel_Reader_Exception

	 */

	public function canRead($pFilename)

	{



		//	Office					xmlns:o="urn:schemas-microsoft-com:office:office"

		//	Excel					xmlns:x="urn:schemas-microsoft-com:office:excel"

		//	XML Spreadsheet			xmlns:ss="urn:schemas-microsoft-com:office:spreadsheet"

		//	Spreadsheet component	xmlns:c="urn:schemas-microsoft-com:office:component:spreadsheet"

		//	XML schema 				xmlns:s="uuid:BDC6E3F0-6DA3-11d1-A2A3-00AA00C14882"

		//	XML data type			xmlns:dt="uuid:C2F41010-65B3-11d1-A29F-00AA00C14882"

		//	MS-persist recordset	xmlns:rs="urn:schemas-microsoft-com:rowset"

		//	Rowset					xmlns:z="#RowsetSchema"

		//



		$signature = array(

				'<?xml version="1.0"',

				'<?mso-application progid="Excel.Sheet"?>'

			);



		// Open file

		$this->_openFile($pFilename);

		$fileHandle = $this->_fileHandle;

		

		// Read sample data (first 2 KB will do)

		$data = fread($fileHandle, 2048);

		fclose($fileHandle);



		$valid = true;

		foreach($signature as $match) {

			// every part of the signature must be present

			if (strpos($data, $match) === false) {

				$valid = false;

				break;

			}

		}



		//	Retrieve charset encoding

		if(preg_match('/<?xml.*encoding=[\'"](.*?)[\'"].*?>/um',$data,$matches)) {

			$this->_charSet = strtoupper($matches[1]);

		}

//		echo 'Character Set is ',$this->_charSet,'<br />';



		return $valid;

	}





	/**

	 * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object

	 *

	 * @param 	string 		$pFilename

	 * @throws 	PHPExcel_Reader_Exception

	 */

	public function listWorksheetNames($pFilename)

	{

		// Check if file exists

		if (!file_exists($pFilename)) {

			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");

		}

		if (!$this->canRead($pFilename)) {

			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");

		}



		$worksheetNames = array();



		$xml = simplexml_load_file($pFilename, 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());

		$namespaces = $xml->getNamespaces(true);



		$xml_ss = $xml->children($namespaces['ss']);

		foreach($xml_ss->Worksheet as $worksheet) {

			$worksheet_ss = $worksheet->attributes($namespaces['ss']);

			$worksheetNames[] = self::_convertStringEncoding((string) $worksheet_ss['Name'],$this->_charSet);

		}



		return $worksheetNames;

	}





	/**

	 * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)

	 *

	 * @param   string     $pFilename

	 * @throws   PHPExcel_Reader_Exception

	 */

	public function listWorksheetInfo($pFilename)

	{

		// Check if file exists

		if (!file_exists($pFilename)) {

			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");

		}



		$worksheetInfo = array();



		$xml = simplexml_load_file($pFilename, 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());

		$namespaces = $xml->getNamespaces(true);



		$worksheetID = 1;

		$xml_ss = $xml->children($namespaces['ss']);

		foreach($xml_ss->Worksheet as $worksheet) {

			$worksheet_ss = $worksheet->attributes($namespaces['ss']);



			$tmpInfo = array();

			$tmpInfo['worksheetName'] = '';

			$tmpInfo['lastColumnLetter'] = 'A';

			$tmpInfo['lastColumnIndex'] = 0;

			$tmpInfo['totalRows'] = 0;

			$tmpInfo['totalColumns'] = 0;



			if (isset($worksheet_ss['Name'])) {

				$tmpInfo['worksheetName'] = (string) $worksheet_ss['Name'];

			} else {

				$tmpInfo['worksheetName'] = "Worksheet_{$worksheetID}";

			}



			if (isset($worksheet->Table->Row)) {

				$rowIndex = 0;



				foreach($worksheet->Table->Row as $rowData) {

					$columnIndex = 0;

					$rowHasData = false;



					foreach($rowData->Cell as $cell) {

						if (isset($cell->Data)) {

							$tmpInfo['lastColumnIndex'] = max($tmpInfo['lastColumnIndex'], $columnIndex);

							$rowHasData = true;

						}



						++$columnIndex;

					}



					++$rowIndex;



					if ($rowHasData) {

						$tmpInfo['totalRows'] = max($tmpInfo['totalRows'], $rowIndex);

					}

				}

			}



			$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);

			$tmpInfo['totalColumns'] = $tmpInfo['lastColumnIndex'] + 1;



			$worksheetInfo[] = $tmpInfo;

			++$worksheetID;

		}



		return $worksheetInfo;

	}





    /**

	 * Loads PHPExcel from file

	 *

	 * @param 	string 		$pFilename

	 * @return 	PHPExcel

	 * @throws 	PHPExcel_Reader_Exception

	 */

	public function load($pFilename)

	{

		// Create new PHPExcel

		$objPHPExcel = new PHPExcel();



		// Load into this instance

		return $this->loadIntoExisting($pFilename, $objPHPExcel);

	}





	private static function identifyFixedStyleValue($styleList,&$styleAttributeValue) {

		$styleAttributeValue = strtolower($styleAttributeValue);

		foreach($styleList as $style) {

			if ($styleAttributeValue == strtolower($style)) {

				$styleAttributeValue = $style;

				return true;

			}

		}

		return false;

	}





 	/**

 	 * pixel units to excel width units(units of 1/256th of a character width)

 	 * @param pxs

 	 * @return

 	 */

 	private static function _pixel2WidthUnits($pxs) {

		$UNIT_OFFSET_MAP = array(0, 36, 73, 109, 146, 182, 219);



		$widthUnits = 256 * ($pxs / 7);

		$widthUnits += $UNIT_OFFSET_MAP[($pxs % 7)];

		return $widthUnits;

	}





	/**

	 * excel width units(units of 1/256th of a character width) to pixel units

	 * @param widthUnits

	 * @return

	 */

	private static function _widthUnits2Pixel($widthUnits) {

		$pixels = ($widthUnits / 256) * 7;

		$offsetWidthUnits = $widthUnits % 256;

		$pixels += round($offsetWidthUnits / (256 / 7));

		return $pixels;

	}





	private static function _hex2str($hex) {

		return chr(hexdec($hex[1]));

	}





	/**

	 * Loads PHPExcel from file into PHPExcel instance

	 *

	 * @param 	string 		$pFilename

	 * @param	PHPExcel	$objPHPExcel

	 * @return 	PHPExcel

	 * @throws 	PHPExcel_Reader_Exception

	 */

	public function loadIntoExisting($pFilename, PHPExcel $objPHPExcel)

	{

		$fromFormats	= array('\-',	'\ ');

		$toFormats		= array('-',	' ');



		$underlineStyles = array (

				PHPExcel_Style_Font::UNDERLINE_NONE,

				PHPExcel_Style_Font::UNDERLINE_DOUBLE,

				PHPExcel_Style_Font::UNDERLINE_DOUBLEACCOUNTING,

				PHPExcel_Style_Font::UNDERLINE_SINGLE,

				PHPExcel_Style_Font::UNDERLINE_SINGLEACCOUNTING

			);

		$verticalAlignmentStyles = array (

				PHPExcel_Style_Alignment::VERTICAL_BOTTOM,

				PHPExcel_Style_Alignment::VERTICAL_TOP,

				PHPExcel_Style_Alignment::VERTICAL_CENTER,

				PHPExcel_Style_Alignment::VERTICAL_JUSTIFY

			);

		$horizontalAlignmentStyles = array (

				PHPExcel_Style_Alignment::HORIZONTAL_GENERAL,

				PHPExcel_Style_Alignment::HORIZONTAL_LEFT,

				PHPExcel_Style_Alignment::HORIZONTAL_RIGHT,

				PHPExcel_Style_Alignment::HORIZONTAL_CENTER,

				PHPExcel_Style_Alignment::HORIZONTAL_CENTER_CONTINUOUS,

				PHPExcel_Style_Alignment::HORIZONTAL_JUSTIFY

			);



		$timezoneObj = new DateTimeZone('Europe/London');

		$GMT = new DateTimeZone('UTC');





		// Check if file exists

		if (!file_exists($pFilename)) {

			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");

		}



		if (!$this->canRead($pFilename)) {

			throw new PHPExcel_Reader_Exception($pFilename . " is an Invalid Spreadsheet file.");

		}



		$xml = simplexml_load_file($pFilename, 'SimpleXMLElement', PHPExcel_Settings::getLibXmlLoaderOptions());

		$namespaces = $xml->getNamespaces(true);



		$docProps = $objPHPExcel->getProperties();

		if (isset($xml->DocumentProperties[0])) {

			foreach($xml->DocumentProperties[0] as $propertyName => $propertyValue) {

				switch ($propertyName) {

					case 'Title' :

							$docProps->setTitle(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'Subject' :

							$docProps->setSubject(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'Author' :

							$docProps->setCreator(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'Created' :

							$creationDate = strtotime($propertyValue);

							$docProps->setCreated($creationDate);

							break;

					case 'LastAuthor' :

							$docProps->setLastModifiedBy(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'LastSaved' :

							$lastSaveDate = strtotime($propertyValue);

							$docProps->setModified($lastSaveDate);

							break;

					case 'Company' :

							$docProps->setCompany(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'Category' :

							$docProps->setCategory(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'Manager' :

							$docProps->setManager(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'Keywords' :

							$docProps->setKeywords(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

					case 'Description' :

							$docProps->setDescription(self::_convertStringEncoding($propertyValue,$this->_charSet));

							break;

				}

			}

		}

		if (isset($xml->CustomDocumentProperties)) {

			foreach($xml->CustomDocumentProperties[0] as $propertyName => $propertyValue) {

				$propertyAttributes = $propertyValue->attributes($namespaces['dt']);

				$propertyName = preg_replace_callback('/_x([0-9a-z]{4})_/','PHPExcel_Reader_Excel2003XML::_hex2str',$propertyName);

				$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_UNKNOWN;

				switch((string) $propertyAttributes) {

					case 'string' :

						$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_STRING;

						$propertyValue = trim($propertyValue);

						break;

					case 'boolean' :

						$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_BOOLEAN;

						$propertyValue = (bool) $propertyValue;

						break;

					case 'integer' :

						$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_INTEGER;

						$propertyValue = intval($propertyValue);

						break;

					case 'float' :

						$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_FLOAT;

						$propertyValue = floatval($propertyValue);

						break;

					case 'dateTime.tz' :

						$propertyType = PHPExcel_DocumentProperties::PROPERTY_TYPE_DATE;

						$propertyValue = strtotime(trim($propertyValue));

						break;

				}

				$docProps->setCustomProperty($propertyName,$propertyValue,$propertyType);

			}

		}



		foreach($xml->Styles[0] as $style) {

			$style_ss = $style->attributes($namespaces['ss']);

			$styleID = (string) $style_ss['ID'];

//			echo 'Style ID = '.$styleID.'<br />';

			if ($styleID == 'Default') {

				$this->_styles['Default'] = array();

			} else {

				$this->_styles[$styleID] = $this->_styles['Default'];

			}

			foreach ($style as $styleType => $styleData) {

				$styleAttributes = $styleData->attributes($namespaces['ss']);

//				echo $styleType.'<br />';

				switch ($styleType) {

					case 'Alignment' :

							foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {

//								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';

								$styleAttributeValue = (string) $styleAttributeValue;

								switch ($styleAttributeKey) {

									case 'Vertical' :

											if (self::identifyFixedStyleValue($verticalAlignmentStyles,$styleAttributeValue)) {

												$this->_styles[$styleID]['alignment']['vertical'] = $styleAttributeValue;

											}

											break;

									case 'Horizontal' :

											if (self::identifyFixedStyleValue($horizontalAlignmentStyles,$styleAttributeValue)) {

												$this->_styles[$styleID]['alignment']['horizontal'] = $styleAttributeValue;

											}

											break;

									case 'WrapText' :

											$this->_styles[$styleID]['alignment']['wrap'] = true;

											break;

								}

							}

							break;

					case 'Borders' :

							foreach($styleData->Border as $borderStyle) {

								$borderAttributes = $borderStyle->attributes($namespaces['ss']);

								$thisBorder = array();

								foreach($borderAttributes as $borderStyleKey => $borderStyleValue) {

//									echo $borderStyleKey.' = '.$borderStyleValue.'<br />';

									switch ($borderStyleKey) {

										case 'LineStyle' :

												$thisBorder['style'] = PHPExcel_Style_Border::BORDER_MEDIUM;

//												$thisBorder['style'] = $borderStyleValue;

												break;

										case 'Weight' :

//												$thisBorder['style'] = $borderStyleValue;

												break;

										case 'Position' :

												$borderPosition = strtolower($borderStyleValue);

												break;

										case 'Color' :

												$borderColour = substr($borderStyleValue,1);

												$thisBorder['color']['rgb'] = $borderColour;

												break;

									}

								}

								if (!empty($thisBorder)) {

									if (($borderPosition == 'left') || ($borderPosition == 'right') || ($borderPosition == 'top') || ($borderPosition == 'bottom')) {

										$this->_styles[$styleID]['borders'][$borderPosition] = $thisBorder;

									}

								}

							}

							break;

					case 'Font' :

							foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {

//								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';

								$styleAttributeValue = (string) $styleAttributeValue;

								switch ($styleAttributeKey) {

									case 'FontName' :

											$this->_styles[$styleID]['font']['name'] = $styleAttributeValue;

											break;

									case 'Size' :

											$this->_styles[$styleID]['font']['size'] = $styleAttributeValue;

											break;

									case 'Color' :

											$this->_styles[$styleID]['font']['color']['rgb'] = substr($styleAttributeValue,1);

											break;

									case 'Bold' :

											$this->_styles[$styleID]['font']['bold'] = true;

											break;

									case 'Italic' :

											$this->_styles[$styleID]['font']['italic'] = true;

											break;

									case 'Underline' :

											if (self::identifyFixedStyleValue($underlineStyles,$styleAttributeValue)) {

												$this->_styles[$styleID]['font']['underline'] = $styleAttributeValue;

											}

											break;

								}

							}

							break;

					case 'Interior' :

							foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {

//								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';

								switch ($styleAttributeKey) {

									case 'Color' :

											$this->_styles[$styleID]['fill']['color']['rgb'] = substr($styleAttributeValue,1);

											break;

								}

							}

							break;

					case 'NumberFormat' :

							foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {

//								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';

								$styleAttributeValue = str_replace($fromFormats,$toFormats,$styleAttributeValue);

								switch ($styleAttributeValue) {

									case 'Short Date' :

											$styleAttributeValue = 'dd/mm/yyyy';

											break;

								}

								if ($styleAttributeValue > '') {

									$this->_styles[$styleID]['numberformat']['code'] = $styleAttributeValue;

								}

							}

							break;

					case 'Protection' :

							foreach($styleAttributes as $styleAttributeKey => $styleAttributeValue) {

//								echo $styleAttributeKey.' = '.$styleAttributeValue.'<br />';

							}

							break;

				}

			}

//			print_r($this->_styles[$styleID]);

//			echo '<hr />';

		}

//		echo '<hr />';



		$worksheetID = 0;

		$xml_ss = $xml->children($namespaces['ss']);



		foreach($xml_ss->Worksheet as $worksheet) {

			$worksheet_ss = $worksheet->attributes($namespaces['ss']);



			if ((isset($this->_loadSheetsOnly)) && (isset($worksheet_ss['Name'])) &&

				(!in_array($worksheet_ss['Name'], $this->_loadSheetsOnly))) {

				continue;

			}



//			echo '<h3>Worksheet: ',$worksheet_ss['Name'],'<h3>';

//

			// Create new Worksheet

			$objPHPExcel->createSheet();

			$objPHPExcel->setActiveSheetIndex($worksheetID);

			if (isset($worksheet_ss['Name'])) {

				$worksheetName = self::_convertStringEncoding((string) $worksheet_ss['Name'],$this->_charSet);

				//	Use false for $updateFormulaCellReferences to prevent adjustment of worksheet references in

				//		formula cells... during the load, all formulae should be correct, and we're simply bringing

				//		the worksheet name in line with the formula, not the reverse

				$objPHPExcel->getActiveSheet()->setTitle($worksheetName,false);

			}



			$columnID = 'A';

			if (isset($worksheet->Table->Column)) {

				foreach($worksheet->Table->Column as $columnData) {

					$columnData_ss = $columnData->attributes($namespaces['ss']);

					if (isset($columnData_ss['Index'])) {

						$columnID = PHPExcel_Cell::stringFromColumnIndex($columnData_ss['Index']-1);

					}

					if (isset($columnData_ss['Width'])) {

						$columnWidth = $columnData_ss['Width'];

//						echo '<b>Setting column width for '.$columnID.' to '.$columnWidth.'</b><br />';

						$objPHPExcel->getActiveSheet()->getColumnDimension($columnID)->setWidth($columnWidth / 5.4);

					}

					++$columnID;

				}

			}



			$rowID = 1;

			if (isset($worksheet->Table->Row)) {

				foreach($worksheet->Table->Row as $rowData) {

					$rowHasData = false;

					$row_ss = $rowData->attributes($namespaces['ss']);

					if (isset($row_ss['Index'])) {

						$rowID = (integer) $row_ss['Index'];

					}

//					echo '<b>Row '.$rowID.'</b><br />';



					$columnID = 'A';

					foreach($rowData->Cell as $cell) {



						$cell_ss = $cell->attributes($namespaces['ss']);

						if (isset($cell_ss['Index'])) {

							$columnID = PHPExcel_Cell::stringFromColumnIndex($cell_ss['Index']-1);

						}

						$cellRange = $columnID.$rowID;



						if ($this->getReadFilter() !== NULL) {

							if (!$this->getReadFilter()->readCell($columnID, $rowID, $worksheetName)) {

								continue;

							}

						}



						if ((isset($cell_ss['MergeAcross'])) || (isset($cell_ss['MergeDown']))) {

							$columnTo = $columnID;

							if (isset($cell_ss['MergeAcross'])) {

								$columnTo = PHPExcel_Cell::stringFromColumnIndex(PHPExcel_Cell::columnIndexFromString($columnID) + $cell_ss['MergeAcross'] -1);

							}

							$rowTo = $rowID;

							if (isset($cell_ss['MergeDown'])) {

								$rowTo = $rowTo + $cell_ss['MergeDown'];

							}

							$cellRange .= ':'.$columnTo.$rowTo;

							$objPHPExcel->getActiveSheet()->mergeCells($cellRange);

						}



						$cellIsSet = $hasCalculatedValue = false;

						$cellDataFormula = '';

						if (isset($cell_ss['Formula'])) {

							$cellDataFormula = $cell_ss['Formula'];

							// added this as a check for array formulas

							if (isset($cell_ss['ArrayRange'])) {

								$cellDataCSEFormula = $cell_ss['ArrayRange'];

//								echo "found an array formula at ".$columnID.$rowID."<br />";

							}

							$hasCalculatedValue = true;

						}

						if (isset($cell->Data)) {

							$cellValue = $cellData = $cell->Data;

							$type = PHPExcel_Cell_DataType::TYPE_NULL;

							$cellData_ss = $cellData->attributes($namespaces['ss']);

							if (isset($cellData_ss['Type'])) {

								$cellDataType = $cellData_ss['Type'];

								switch ($cellDataType) {

									/*

									const TYPE_STRING		= 's';

									const TYPE_FORMULA		= 'f';

									const TYPE_NUMERIC		= 'n';

									const TYPE_BOOL			= 'b';

								    const TYPE_NULL			= 'null';

								    const TYPE_INLINE		= 'inlineStr';

									const TYPE_ERROR		= 'e';

									*/

									case 'String' :

											$cellValue = self::_convertStringEncoding($cellValue,$this->_charSet);

											$type = PHPExcel_Cell_DataType::TYPE_STRING;

											break;

									case 'Number' :

											$type = PHPExcel_Cell_DataType::TYPE_NUMERIC;

											$cellValue = (float) $cellValue;

											if (floor($cellValue) == $cellValue) {

												$cellValue = (integer) $cellValue;

											}

											break;

									case 'Boolean' :

											$type = PHPExcel_Cell_DataType::TYPE_BOOL;

											$cellValue = ($cellValue != 0);

											break;

									case 'DateTime' :

											$type = PHPExcel_Cell_DataType::TYPE_NUMERIC;

											$cellValue = PHPExcel_Shared_Date::PHPToExcel(strtotime($cellValue));

											break;

									case 'Error' :

											$type = PHPExcel_Cell_DataType::TYPE_ERROR;

											break;

								}

							}



							if ($hasCalculatedValue) {

//								echo 'FORMULA<br />';

								$type = PHPExcel_Cell_DataType::TYPE_FORMULA;

								$columnNumber = PHPExcel_Cell::columnIndexFromString($columnID);

								if (substr($cellDataFormula,0,3) == 'of:') {

									$cellDataFormula = substr($cellDataFormula,3);

//									echo 'Before: ',$cellDataFormula,'<br />';

									$temp = explode('"',$cellDataFormula);

									$key = false;

									foreach($temp as &$value) {

										//	Only replace in alternate array entries (i.e. non-quoted blocks)

										if ($key = !$key) {

											$value = str_replace(array('[.','.',']'),'',$value);

										}

									}

								} else {

									//	Convert R1C1 style references to A1 style references (but only when not quoted)

//									echo 'Before: ',$cellDataFormula,'<br />';

									$temp = explode('"',$cellDataFormula);

									$key = false;

									foreach($temp as &$value) {

										//	Only replace in alternate array entries (i.e. non-quoted blocks)

										if ($key = !$key) {

											preg_match_all('/(R(\[?-?\d*\]?))(C(\[?-?\d*\]?))/',$value, $cellReferences,PREG_SET_ORDER+PREG_OFFSET_CAPTURE);

											//	Reverse the matches array, otherwise all our offsets will become incorrect if we modify our way

											//		through the formula from left to right. Reversing means that we work right to left.through

											//		the formula

											$cellReferences = array_reverse($cellReferences);

											//	Loop through each R1C1 style reference in turn, converting it to its A1 style equivalent,

											//		then modify the formula to use that new reference

											foreach($cellReferences as $cellReference) {

												$rowReference = $cellReference[2][0];

												//	Empty R reference is the current row

												if ($rowReference == '') $rowReference = $rowID;

												//	Bracketed R references are relative to the current row

												if ($rowReference{0} == '[') $rowReference = $rowID + trim($rowReference,'[]');

												$columnReference = $cellReference[4][0];

												//	Empty C reference is the current column

												if ($columnReference == '') $columnReference = $columnNumber;

												//	Bracketed C references are relative to the current column

												if ($columnReference{0} == '[') $columnReference = $columnNumber + trim($columnReference,'[]');

												$A1CellReference = PHPExcel_Cell::stringFromColumnIndex($columnReference-1).$rowReference;

													$value = substr_replace($value,$A1CellReference,$cellReference[0][1],strlen($cellReference[0][0]));

											}

										}

									}

								}

								unset($value);

								//	Then rebuild the formula string

								$cellDataFormula = implode('"',$temp);

//								echo 'After: ',$cellDataFormula,'<br />';

							}



//							echo 'Cell '.$columnID.$rowID.' is a '.$type.' with a value of '.(($hasCalculatedValue) ? $cellDataFormula : $cellValue).'<br />';

//

							$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setValueExplicit((($hasCalculatedValue) ? $cellDataFormula : $cellValue),$type);

							if ($hasCalculatedValue) {

//								echo 'Formula result is '.$cellValue.'<br />';

								$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setCalculatedValue($cellValue);

							}

							$cellIsSet = $rowHasData = true;

						}



						if (isset($cell->Comment)) {

//							echo '<b>comment found</b><br />';

							$commentAttributes = $cell->Comment->attributes($namespaces['ss']);

							$author = 'unknown';

							if (isset($commentAttributes->Author)) {

								$author = (string)$commentAttributes->Author;

//								echo 'Author: ',$author,'<br />';

							}

							$node = $cell->Comment->Data->asXML();

//							$annotation = str_replace('html:','',substr($node,49,-10));

//							echo $annotation,'<br />';

							$annotation = strip_tags($node);

//							echo 'Annotation: ',$annotation,'<br />';

							$objPHPExcel->getActiveSheet()->getComment( $columnID.$rowID )

															->setAuthor(self::_convertStringEncoding($author ,$this->_charSet))

															->setText($this->_parseRichText($annotation) );

						}



						if (($cellIsSet) && (isset($cell_ss['StyleID']))) {

							$style = (string) $cell_ss['StyleID'];

//							echo 'Cell style for '.$columnID.$rowID.' is '.$style.'<br />';

							if ((isset($this->_styles[$style])) && (!empty($this->_styles[$style]))) {

//								echo 'Cell '.$columnID.$rowID.'<br />';

//								print_r($this->_styles[$style]);

//								echo '<br />';

								if (!$objPHPExcel->getActiveSheet()->cellExists($columnID.$rowID)) {

									$objPHPExcel->getActiveSheet()->getCell($columnID.$rowID)->setValue(NULL);

								}

								$objPHPExcel->getActiveSheet()->getStyle($cellRange)->applyFromArray($this->_styles[$style]);

							}

						}

						++$columnID;

					}



					if ($rowHasData) {

						if (isset($row_ss['StyleID'])) {

							$rowStyle = $row_ss['StyleID'];

						}

						if (isset($row_ss['Height'])) {

							$rowHeight = $row_ss['Height'];

//							echo '<b>Setting row height to '.$rowHeight.'</b><br />';

							$objPHPExcel->getActiveSheet()->getRowDimension($rowID)->setRowHeight($rowHeight);

						}

					}



					++$rowID;

				}

			}

			++$worksheetID;

		}



		// Return

		return $objPHPExcel;

	}





	private static function _convertStringEncoding($string,$charset) {

		if ($charset != 'UTF-8') {

			return PHPExcel_Shared_String::ConvertEncoding($string,'UTF-8',$charset);

		}

		return $string;

	}





	private function _parseRichText($is = '') {

		$value = new PHPExcel_RichText();



		$value->createText(self::_convertStringEncoding($is,$this->_charSet));



		return $value;

	}



}

