Current File : //www/varak.net/losik.varak.net/vendor/phpoffice/phpspreadsheet/src/PhpSpreadsheet/IOFactory.php
<?php
namespace PhpOffice\PhpSpreadsheet;
use PhpOffice\PhpSpreadsheet\Shared\File;
/**
* Copyright (c) 2006 - 2016 PhpSpreadsheet.
*
* 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 PhpSpreadsheet
*
* @copyright Copyright (c) 2006 - 2016 PhpSpreadsheet (https://github.com/PHPOffice/PhpSpreadsheet)
* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
*/
class IOFactory
{
/**
* Search locations.
*
* @var array
* @static
*/
private static $searchLocations = [
['type' => 'IWriter', 'path' => 'PhpSpreadsheet/Writer/{0}.php', 'class' => '\\PhpOffice\\PhpSpreadsheet\\Writer\\{0}'],
['type' => 'IReader', 'path' => 'PhpSpreadsheet/Reader/{0}.php', 'class' => '\\PhpOffice\\PhpSpreadsheet\\Reader\\{0}'],
];
/**
* Autoresolve classes.
*
* @var array
* @static
*/
private static $autoResolveClasses = [
'Xlsx',
'Xls',
'Xml',
'Ods',
'Slk',
'Gnumeric',
'Html',
'Csv',
];
/**
* Private constructor for IOFactory.
*/
private function __construct()
{
}
/**
* Get search locations.
*
* @static
*
* @return array
*/
public static function getSearchLocations()
{
return self::$searchLocations;
}
/**
* Set search locations.
*
* @static
*
* @param array $value
*
* @throws Reader\Exception
*/
public static function setSearchLocations(array $value)
{
self::$searchLocations = $value;
}
/**
* Add search location.
*
* @static
*
* @param string $type Example: IWriter
* @param string $location Example: PhpSpreadsheet/Writer/{0}.php
* @param string $classname Example: Writer\{0}
*/
public static function addSearchLocation($type, $location, $classname)
{
self::$searchLocations[] = ['type' => $type, 'path' => $location, 'class' => $classname];
}
/**
* Create Writer\IWriter.
*
* @static
*
* @param Spreadsheet $spreadsheet
* @param string $writerType Example: Xlsx
*
* @throws Writer\Exception
*
* @return Writer\IWriter
*/
public static function createWriter(Spreadsheet $spreadsheet, $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 $className($spreadsheet);
if ($instance !== null) {
return $instance;
}
}
}
// Nothing found...
throw new Writer\Exception("No $searchType found for type $writerType");
}
/**
* Create Reader\IReader.
*
* @static
*
* @param string $readerType Example: Xlsx
*
* @throws Reader\Exception
*
* @return Reader\IReader
*/
public static function createReader($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 Reader\Exception("No $searchType found for type $readerType");
}
/**
* Loads Spreadsheet from file using automatic Reader\IReader resolution.
*
* @static
*
* @param string $pFilename The name of the spreadsheet file
*
* @throws Reader\Exception
*
* @return Spreadsheet
*/
public static function load($pFilename)
{
$reader = self::createReaderForFile($pFilename);
return $reader->load($pFilename);
}
/**
* Identify file type using automatic Reader\IReader resolution.
*
* @static
*
* @param string $pFilename The name of the spreadsheet file to identify
*
* @throws Reader\Exception
*
* @return string
*/
public static function identify($pFilename)
{
$reader = self::createReaderForFile($pFilename);
$className = get_class($reader);
$classType = explode('\\', $className);
unset($reader);
return array_pop($classType);
}
/**
* Create Reader\IReader for file using automatic Reader\IReader resolution.
*
* @static
*
* @param string $pFilename The name of the spreadsheet file
*
* @throws Reader\Exception
*
* @return Reader\IReader
*/
public static function createReaderForFile($pFilename)
{
File::assertFile($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 = 'Xlsx';
break;
case 'xls': // Excel (BIFF) Spreadsheet
case 'xlt': // Excel (BIFF) Template
$extensionType = 'Xls';
break;
case 'ods': // Open/Libre Offic Calc
case 'ots': // Open/Libre Offic Calc Template
$extensionType = 'Ods';
break;
case 'slk':
$extensionType = 'Slk';
break;
case 'xml': // Excel 2003 SpreadSheetML
$extensionType = 'Xml';
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 Reader\Exception('Unable to identify a reader for this file');
}
}
Mini Shell