ccbb28167b
git-svn-id: https://phpexcel.svn.codeplex.com/svn/trunk@66338 2327b42d-5241-43d6-9e2a-de5ac946f064
125 lines
3.7 KiB
PHP
125 lines
3.7 KiB
PHP
<?php
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/**
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* PHPExcel
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*
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* Copyright (c) 2006 - 2011 PHPExcel
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*
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* @category PHPExcel
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* @package PHPExcel_Reader
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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* @license http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt LGPL
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* @version ##VERSION##, ##DATE##
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*/
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/** PHPExcel root directory */
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if (!defined('PHPEXCEL_ROOT')) {
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/**
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* @ignore
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*/
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define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');
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require(PHPEXCEL_ROOT . 'PHPExcel/Autoloader.php');
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}
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/**
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* PHPExcel_Reader_Serialized
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*
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* @category PHPExcel
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* @package PHPExcel_Reader
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* @copyright Copyright (c) 2006 - 2011 PHPExcel (http://www.codeplex.com/PHPExcel)
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*/
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class PHPExcel_Reader_Serialized implements PHPExcel_Reader_IReader
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{
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/**
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* Can the current PHPExcel_Reader_IReader read the file?
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*
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* @param string $pFileName
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* @return boolean
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*/
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public function canRead($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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return $this->fileSupportsUnserializePHPExcel($pFilename);
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}
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/**
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* Loads PHPExcel Serialized file
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*
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* @param string $pFilename
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* @return PHPExcel
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* @throws Exception
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*/
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public function load($pFilename)
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{
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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// Unserialize... First make sure the file supports it!
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if (!$this->fileSupportsUnserializePHPExcel($pFilename)) {
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throw new Exception("Invalid file format for PHPExcel_Reader_Serialized: " . $pFilename . ".");
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}
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return $this->_loadSerialized($pFilename);
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}
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/**
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* Load PHPExcel Serialized file
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*
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* @param string $pFilename
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* @return PHPExcel
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*/
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private function _loadSerialized($pFilename) {
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$xmlData = simplexml_load_string(file_get_contents("zip://$pFilename#phpexcel.xml"));
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$excel = unserialize(base64_decode((string)$xmlData->data));
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// Update media links
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for ($i = 0; $i < $excel->getSheetCount(); ++$i) {
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for ($j = 0; $j < $excel->getSheet($i)->getDrawingCollection()->count(); ++$j) {
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if ($excel->getSheet($i)->getDrawingCollection()->offsetGet($j) instanceof PHPExcl_Worksheet_BaseDrawing) {
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$imgTemp =& $excel->getSheet($i)->getDrawingCollection()->offsetGet($j);
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$imgTemp->setPath('zip://' . $pFilename . '#media/' . $imgTemp->getFilename(), false);
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}
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}
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}
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return $excel;
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}
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/**
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* Does a file support UnserializePHPExcel ?
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*
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* @param string $pFilename
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* @throws Exception
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* @return boolean
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*/
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public function fileSupportsUnserializePHPExcel($pFilename = '') {
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// Check if file exists
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if (!file_exists($pFilename)) {
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throw new Exception("Could not open " . $pFilename . " for reading! File does not exist.");
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}
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// File exists, does it contain phpexcel.xml?
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return PHPExcel_Shared_File::file_exists("zip://$pFilename#phpexcel.xml");
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}
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}
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