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WWriter.cpp
1 //---------------------------------------------------------------------------
2 //
3 // Project: OpenWalnut ( http://www.openwalnut.org )
4 //
5 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
6 // For more information see http://www.openwalnut.org/copying
7 //
8 // This file is part of OpenWalnut.
9 //
10 // OpenWalnut is free software: you can redistribute it and/or modify
11 // it under the terms of the GNU Lesser General Public License as published by
12 // the Free Software Foundation, either version 3 of the License, or
13 // (at your option) any later version.
14 //
15 // OpenWalnut is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 // GNU Lesser General Public License for more details.
19 //
20 // You should have received a copy of the GNU Lesser General Public License
21 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
22 //
23 //---------------------------------------------------------------------------
24 
25 #include <string>
26 
27 // Use filesystem version 2 for compatibility with newer boost versions.
28 #ifndef BOOST_FILESYSTEM_VERSION
29  #define BOOST_FILESYSTEM_VERSION 2
30 #endif
31 #include <boost/filesystem.hpp>
32 
33 #include "../../common/WIOTools.h"
34 #include "../exceptions/WDHIOFailure.h"
35 #include "WWriter.h"
36 
37 WWriter::WWriter( std::string fname, bool overwrite )
38  : m_overwrite( overwrite )
39 {
40  setFileName( fname ); // not in constructor list since fileExcsits check
41 }
42 
43 void WWriter::setFileName( std::string fname )
44 {
45  m_fname = fname;
46  if( !m_overwrite && boost::filesystem::exists( boost::filesystem::path( m_fname ) ) )
47  {
48  throw WDHIOFailure( std::string( "File '" + m_fname + "' already exists, skip writing" ) );
49  }
50 }