inputfilestream.cpp.svn-base

moses开源的机器翻译系统

// $Id$

/***********************************************************************
Moses - factored phrase-based language decoder
Copyright (C) 2006 University of Edinburgh

This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
***********************************************************************/

#include "InputFileStream.h"
#include "gzfilebuf.h"

InputFileStream::InputFileStream(const std::string &filePath)
: std::istream(NULL)
, m_streambuf(NULL)
{
  if (filePath.size() > 3 &&
      filePath.substr(filePath.size() - 3, 3) == ".gz")
  {
    m_streambuf = new gzfilebuf(filePath.c_str());
  } else {
    std::filebuf* fb = new std::filebuf();
    fb->open(filePath.c_str(), std::ios::in);
    m_streambuf = fb;
  }
  this->init(m_streambuf);
}

InputFileStream::~InputFileStream()
{
  delete m_streambuf;
	m_streambuf = NULL;
}

void InputFileStream::Close()
{
}