New file |
0,0 → 1,288 |
<?php |
/** |
* PHPExcel |
* |
* Copyright (c) 2006 - 2013 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 |
* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel) |
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL |
* @version ##VERSION##, ##DATE## |
*/ |
|
|
/** PHPExcel root directory */ |
if (!defined('PHPEXCEL_ROOT')) { |
/** |
* @ignore |
*/ |
define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../'); |
require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php'); |
} |
|
/** |
* PHPExcel_IOFactory |
* |
* @category PHPExcel |
* @package PHPExcel |
* @copyright Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel) |
*/ |
class PHPExcel_IOFactory |
{ |
/** |
* Search locations |
* |
* @var array |
* @access private |
* @static |
*/ |
private static $_searchLocations = array( |
array( 'type' => 'IWriter', 'path' => 'PHPExcel/Writer/{0}.php', 'class' => 'PHPExcel_Writer_{0}' ), |
array( 'type' => 'IReader', 'path' => 'PHPExcel/Reader/{0}.php', 'class' => 'PHPExcel_Reader_{0}' ) |
); |
|
/** |
* Autoresolve classes |
* |
* @var array |
* @access private |
* @static |
*/ |
private static $_autoResolveClasses = array( |
'Excel2007', |
'Excel5', |
'Excel2003XML', |
'OOCalc', |
'SYLK', |
'Gnumeric', |
'HTML', |
'CSV', |
); |
|
/** |
* Private constructor for PHPExcel_IOFactory |
*/ |
private function __construct() { } |
|
/** |
* Get search locations |
* |
* @static |
* @access public |
* @return array |
*/ |
public static function getSearchLocations() { |
return self::$_searchLocations; |
} // function getSearchLocations() |
|
/** |
* Set search locations |
* |
* @static |
* @access public |
* @param array $value |
* @throws PHPExcel_Reader_Exception |
*/ |
public static function setSearchLocations($value) { |
if (is_array($value)) { |
self::$_searchLocations = $value; |
} else { |
throw new PHPExcel_Reader_Exception('Invalid parameter passed.'); |
} |
} // function setSearchLocations() |
|
/** |
* Add search location |
* |
* @static |
* @access public |
* @param string $type Example: IWriter |
* @param string $location Example: PHPExcel/Writer/{0}.php |
* @param string $classname Example: PHPExcel_Writer_{0} |
*/ |
public static function addSearchLocation($type = '', $location = '', $classname = '') { |
self::$_searchLocations[] = array( 'type' => $type, 'path' => $location, 'class' => $classname ); |
} // function addSearchLocation() |
|
/** |
* Create PHPExcel_Writer_IWriter |
* |
* @static |
* @access public |
* @param PHPExcel $phpExcel |
* @param string $writerType Example: Excel2007 |
* @return PHPExcel_Writer_IWriter |
* @throws PHPExcel_Reader_Exception |
*/ |
public static function createWriter(PHPExcel $phpExcel, $writerType = '') { |
// Search type |
$searchType = 'IWriter'; |
|
// Include class |
foreach (self::$_searchLocations as $searchLocation) { |
if ($searchLocation['type'] == $searchType) { |
$className = str_replace('{0}', $writerType, $searchLocation['class']); |
|
$instance = new $className($phpExcel); |
if ($instance !== NULL) { |
return $instance; |
} |
} |
} |
|
// Nothing found... |
throw new PHPExcel_Reader_Exception("No $searchType found for type $writerType"); |
} // function createWriter() |
|
/** |
* Create PHPExcel_Reader_IReader |
* |
* @static |
* @access public |
* @param string $readerType Example: Excel2007 |
* @return PHPExcel_Reader_IReader |
* @throws PHPExcel_Reader_Exception |
*/ |
public static function createReader($readerType = '') { |
// Search type |
$searchType = 'IReader'; |
|
// Include class |
foreach (self::$_searchLocations as $searchLocation) { |
if ($searchLocation['type'] == $searchType) { |
$className = str_replace('{0}', $readerType, $searchLocation['class']); |
|
$instance = new $className(); |
if ($instance !== NULL) { |
return $instance; |
} |
} |
} |
|
// Nothing found... |
throw new PHPExcel_Reader_Exception("No $searchType found for type $readerType"); |
} // function createReader() |
|
/** |
* Loads PHPExcel from file using automatic PHPExcel_Reader_IReader resolution |
* |
* @static |
* @access public |
* @param string $pFilename The name of the spreadsheet file |
* @return PHPExcel |
* @throws PHPExcel_Reader_Exception |
*/ |
public static function load($pFilename) { |
$reader = self::createReaderForFile($pFilename); |
return $reader->load($pFilename); |
} // function load() |
|
/** |
* Identify file type using automatic PHPExcel_Reader_IReader resolution |
* |
* @static |
* @access public |
* @param string $pFilename The name of the spreadsheet file to identify |
* @return string |
* @throws PHPExcel_Reader_Exception |
*/ |
public static function identify($pFilename) { |
$reader = self::createReaderForFile($pFilename); |
$className = get_class($reader); |
$classType = explode('_',$className); |
unset($reader); |
return array_pop($classType); |
} // function identify() |
|
/** |
* Create PHPExcel_Reader_IReader for file using automatic PHPExcel_Reader_IReader resolution |
* |
* @static |
* @access public |
* @param string $pFilename The name of the spreadsheet file |
* @return PHPExcel_Reader_IReader |
* @throws PHPExcel_Reader_Exception |
*/ |
public static function createReaderForFile($pFilename) { |
|
// First, lucky guess by inspecting file extension |
$pathinfo = pathinfo($pFilename); |
|
$extensionType = NULL; |
if (isset($pathinfo['extension'])) { |
switch (strtolower($pathinfo['extension'])) { |
case 'xlsx': // Excel (OfficeOpenXML) Spreadsheet |
case 'xlsm': // Excel (OfficeOpenXML) Macro Spreadsheet (macros will be discarded) |
case 'xltx': // Excel (OfficeOpenXML) Template |
case 'xltm': // Excel (OfficeOpenXML) Macro Template (macros will be discarded) |
$extensionType = 'Excel2007'; |
break; |
case 'xls': // Excel (BIFF) Spreadsheet |
case 'xlt': // Excel (BIFF) Template |
$extensionType = 'Excel5'; |
break; |
case 'ods': // Open/Libre Offic Calc |
case 'ots': // Open/Libre Offic Calc Template |
$extensionType = 'OOCalc'; |
break; |
case 'slk': |
$extensionType = 'SYLK'; |
break; |
case 'xml': // Excel 2003 SpreadSheetML |
$extensionType = 'Excel2003XML'; |
break; |
case 'gnumeric': |
$extensionType = 'Gnumeric'; |
break; |
case 'htm': |
case 'html': |
$extensionType = 'HTML'; |
break; |
case 'csv': |
// Do nothing |
// We must not try to use CSV reader since it loads |
// all files including Excel files etc. |
break; |
default: |
break; |
} |
|
if ($extensionType !== NULL) { |
$reader = self::createReader($extensionType); |
// Let's see if we are lucky |
if (isset($reader) && $reader->canRead($pFilename)) { |
return $reader; |
} |
} |
} |
|
// If we reach here then "lucky guess" didn't give any result |
// Try walking through all the options in self::$_autoResolveClasses |
foreach (self::$_autoResolveClasses as $autoResolveClass) { |
// Ignore our original guess, we know that won't work |
if ($autoResolveClass !== $extensionType) { |
$reader = self::createReader($autoResolveClass); |
if ($reader->canRead($pFilename)) { |
return $reader; |
} |
} |
} |
|
throw new PHPExcel_Reader_Exception('Unable to identify a reader for this file'); |
} // function createReaderForFile() |
} |