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CEGUIDefaultResourceProvider.cpp

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00001 /************************************************************************
00002         filename:       CEGUIDefaultResourceProvider.cpp
00003         created:        8/7/2004
00004         author:         James '_mental_' O'Sullivan
00005         
00006         purpose:        Implements the Resource Manager common functionality
00007 *************************************************************************/
00008 /*************************************************************************
00009     Crazy Eddie's GUI System (http://www.cegui.org.uk)
00010     Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)
00011 
00012     This library is free software; you can redistribute it and/or
00013     modify it under the terms of the GNU Lesser General Public
00014     License as published by the Free Software Foundation; either
00015     version 2.1 of the License, or (at your option) any later version.
00016 
00017     This library is distributed in the hope that it will be useful,
00018     but WITHOUT ANY WARRANTY; without even the implied warranty of
00019     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00020     Lesser General Public License for more details.
00021 
00022     You should have received a copy of the GNU Lesser General Public
00023     License along with this library; if not, write to the Free Software
00024     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00025 *************************************************************************/
00026 #include "CEGUIDefaultResourceProvider.h"
00027 #include "CEGUIExceptions.h"
00028 
00029 #include <fstream>
00030 
00031 // Start of CEGUI namespace section
00032 namespace CEGUI
00033 {
00034 //    void DefaultResourceProvider::loadInputSourceContainer(const String& filename, InputSourceContainer& output)
00035 //    {
00036 //        if (filename.empty() || (filename == (utf8*)""))
00037 //        {
00038 //            throw InvalidRequestException((utf8*)
00039 //                "DefaultResourceProvider::load - Filename supplied for data loading must be valid");
00040 //        }
00041 //
00042 //        XERCES_CPP_NAMESPACE_USE
00043 //        XMLCh* pval = XMLString::transcode(filename.c_str());
00044 //        InputSource* mInputSource = new LocalFileInputSource(pval);
00045 //        XMLString::release(&pval);
00046 //
00047 //        output.setData(mInputSource);
00048 //    }
00049 
00050     void DefaultResourceProvider::loadRawDataContainer(const String& filename, RawDataContainer& output, const String& resourceGroup)
00051     {
00052         if (filename.empty() || (filename == (utf8*)""))
00053         {
00054             throw InvalidRequestException((utf8*)
00055                 "DefaultResourceProvider::load - Filename supplied for data loading must be valid");
00056         }
00057 
00058         std::ifstream dataFile(filename.c_str(), std::ios::binary|std::ios::ate);
00059         if( dataFile.fail())
00060         {
00061             throw InvalidRequestException((utf8*)
00062                 "DefaultResourceProvider::load - " + filename + " does not exist");
00063         }
00064         std::streampos size = dataFile.tellg();
00065         dataFile.seekg (0, std::ios::beg);
00066 
00067         unsigned char* buffer = new unsigned char [size];
00068 
00069         try {
00070             dataFile.read(reinterpret_cast<char*>(buffer), size);
00071         }
00072         catch(std::ifstream::failure e) {
00073             delete [] buffer;
00074             throw GenericException((utf8*)
00075                 "DefaultResourceProvider::loadRawDataContainer - Problem reading " + filename);
00076         }
00077 
00078         dataFile.close();
00079 
00080         //memcpy(container->getDataPtr(), buffer, size);
00081         output.setData(buffer);
00082         output.setSize(size);
00083         //delete [] buffer;
00084     }
00085 
00086 } // End of  CEGUI namespace section

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