FIFE  2008.0
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rawdatafile.cpp
00001 /***************************************************************************
00002  *   Copyright (C) 2005-2008 by the FIFE team                              *
00003  *   http://www.fifengine.de                                               *
00004  *   This file is part of FIFE.                                            *
00005  *                                                                         *
00006  *   FIFE is free software; you can redistribute it and/or                 *
00007  *   modify it under the terms of the GNU Lesser General Public            *
00008  *   License as published by the Free Software Foundation; either          *
00009  *   version 2.1 of the License, or (at your option) any later version.    *
00010  *                                                                         *
00011  *   This library is distributed in the hope that it will be useful,       *
00012  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00013  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU     *
00014  *   Lesser General Public License for more details.                       *
00015  *                                                                         *
00016  *   You should have received a copy of the GNU Lesser General Public      *
00017  *   License along with this library; if not, write to the                 *
00018  *   Free Software Foundation, Inc.,                                       *
00019  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
00020  ***************************************************************************/
00021 
00022 // Standard C++ library includes
00023 
00024 // 3rd party library includes
00025 
00026 // FIFE includes
00027 // These includes are split up in two parts, separated by one empty line
00028 // First block: files included from the FIFE root src directory
00029 // Second block: files included from the same folder
00030 #include "util/base/exception.h"
00031 
00032 #include "rawdatafile.h"
00033 
00034 namespace FIFE {
00035 
00036     RawDataFile::RawDataFile(const std::string& file) : m_file(file), m_stream(m_file.c_str(), std::ios::binary), m_filesize(0) {
00037         if (!m_stream)
00038             throw CannotOpenFile(m_file);
00039 
00040         m_stream.seekg(0, std::ios::end);
00041         m_filesize = m_stream.tellg();
00042         m_stream.seekg(0, std::ios::beg);
00043     }
00044 
00045 
00046     RawDataFile::~RawDataFile() {
00047     }
00048 
00049 
00050     unsigned int RawDataFile::getSize( ) const {
00051         return m_filesize;
00052     }
00053 
00054     void RawDataFile::readInto(uint8_t* buffer, unsigned int start, unsigned int length) {
00055         m_stream.seekg(start);
00056         m_stream.read(reinterpret_cast<char*>(buffer), length);
00057     }
00058 
00059 }
00060