Line data    Source code

       1              : /*
       2              :  * Copyright (c) 2012-2015:  G-CSC, Goethe University Frankfurt
       3              :  * Author: Torbjörn Klatt
       4              :  * 
       5              :  * This file is part of UG4.
       6              :  * 
       7              :  * UG4 is free software: you can redistribute it and/or modify it under the
       8              :  * terms of the GNU Lesser General Public License version 3 (as published by the
       9              :  * Free Software Foundation) with the following additional attribution
      10              :  * requirements (according to LGPL/GPL v3 §7):
      11              :  * 
      12              :  * (1) The following notice must be displayed in the Appropriate Legal Notices
      13              :  * of covered and combined works: "Based on UG4 (www.ug4.org/license)".
      14              :  * 
      15              :  * (2) The following notice must be displayed at a prominent place in the
      16              :  * terminal output of covered works: "Based on UG4 (www.ug4.org/license)".
      17              :  * 
      18              :  * (3) The following bibliography is recommended for citation and must be
      19              :  * preserved in all covered files:
      20              :  * "Reiter, S., Vogel, A., Heppner, I., Rupp, M., and Wittum, G. A massively
      21              :  *   parallel geometric multigrid solver on hierarchically distributed grids.
      22              :  *   Computing and visualization in science 16, 4 (2013), 151-164"
      23              :  * "Vogel, A., Reiter, S., Rupp, M., Nägel, A., and Wittum, G. UG4 -- a novel
      24              :  *   flexible software system for simulating pde based models on high performance
      25              :  *   computers. Computing and visualization in science 16, 4 (2013), 165-179"
      26              :  * 
      27              :  * This program is distributed in the hope that it will be useful,
      28              :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      29              :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
      30              :  * GNU Lesser General Public License for more details.
      31              :  */
      32              : 
      33              : #include "matrix_io.h"
      34              : 
      35              : namespace ug
      36              : {
      37              : 
      38              : // /////////////////////////////////////////////////////////////////////////////
      39              : // Constructors / Destructor
      40           14 : MatrixIO::MatrixIO() :
      41           14 :   m_pMatFileName( NULL ), m_matFileStream(), m_matFileType( 0 )
      42              : //  ,m_rows(0), m_cols(0), m_lines(0)
      43              : {
      44           14 : }
      45              : 
      46            1 : MatrixIO::MatrixIO( std::string mFile, int openMode ) :
      47            1 :   m_matFileStream(), m_matFileType( 0 )//, m_rows(0), m_cols(0), m_lines(0)
      48              : {
      49            1 :   set_mat_file_name( mFile, openMode );
      50            1 : }
      51              : 
      52           15 : MatrixIO::~MatrixIO()
      53              : {
      54           15 :   close_file();
      55           17 :   delete m_pMatFileName;
      56           15 : }
      57              : 
      58              : // /////////////////////////////////////////////////////////////////////////////
      59              : // Public Member Functions
      60            2 : void MatrixIO::set_mat_file_name( std::string mFile, int openMode )
      61              : {
      62            2 :   if ( !mFile.empty() ) {
      63            2 :     if ( openMode == EXISTING ) {
      64              :       UG_ASSERT( FileExists( mFile.c_str() ),
      65              :                 "File " << mFile.c_str() << " could not be found." );
      66            0 :     } else if( openMode == NEW ) {
      67            0 :       std::ofstream createFile;
      68            0 :       createFile.open( mFile.c_str(), std::ios_base::out );
      69              :       UG_ASSERT( createFile.is_open(), "File could not be created." );
      70            0 :       createFile.close();
      71            0 :     } else {
      72            0 :       UG_THROW( "Invalid open mode specified: " << openMode );
      73              :     }
      74            4 :     m_pMatFileName = new std::string( mFile );
      75              :   }
      76            2 : }
      77              : 
      78            1 : std::string MatrixIO::get_mat_file_name() const
      79              : {
      80            1 :   return std::string( *m_pMatFileName );
      81              : }
      82              : 
      83              : // /////////////////////////////////////////////////////////////////////////////
      84              : // Private Member Functions
      85            0 : void MatrixIO::open_file( std::ios_base::openmode mode )
      86              : {
      87              :   UG_ASSERT( !m_pMatFileName->empty(), "Matrix File not set." );
      88              : 
      89            0 :   m_matFileStream.open( m_pMatFileName->c_str(), mode );
      90              :   UG_ASSERT( m_matFileStream.fail() || m_matFileStream.bad(),
      91              :              "Matrix File could not be opend for reading/writing.\n"
      92              :              << "iostate: " << m_matFileStream.rdstate() );
      93            0 : }
      94              : 
      95           15 : void MatrixIO::close_file()
      96              : {
      97           15 :   if ( m_matFileStream.is_open() ) {
      98              : //     m_pMatFileStream->flush();
      99            0 :     m_matFileStream.close();
     100              :   }
     101           15 : }
     102              : 
     103              : 
     104              : 
     105              : } // namespace ug
     106              : 
     107              : // EOF