//  (C) Copyright Gennadiy Rozental 2004-2005.

//  Distributed under the Boost Software License, Version 1.0.

//  (See accompanying file LICENSE_1_0.txt or copy at 

//  http://www.boost.org/LICENSE_1_0.txt)

//  See http://www.boost.org/libs/test for the library home page.

//

//  File        : $RCSfile: ifstream_line_iterator.hpp,v $

//

//  Version     : $Revision: 1.7 $

//

//  Description : 

// ***************************************************************************

#ifndef BOOST_IFSTREAM_LINE_ITERATOR_HPP_071894GER

#define BOOST_IFSTREAM_LINE_ITERATOR_HPP_071894GER

// Boost

#include <boost/test/utils/iterator/istream_line_iterator.hpp>

// STL

#include <fstream>

#include <boost/test/detail/suppress_warnings.hpp>

//____________________________________________________________________________//

namespace boost {

namespace unit_test {

namespace ut_detail {

// ************************************************************************** //

// **************                ifstream_holder               ************** //

// ************************************************************************** //

template<typename CharT>

class ifstream_holder {

public:

    // Constructor

    explicit    ifstream_holder( basic_cstring<CharT const> file_name )

    {

        if( file_name.is_empty() )

            return;

        m_stream.open( file_name.begin(), std::ios::in );

    }

    bool is_valid()

    {

        return m_stream.is_open();

    }

protected:

#ifdef BOOST_CLASSIC_IOSTREAMS

    typedef std::ifstream                                       stream_t;

#else

    typedef std::basic_ifstream<CharT,std::char_traits<CharT> > stream_t;

#endif

    // Data members

    stream_t    m_stream;

};

} // namespace ut_detail

// ************************************************************************** //

// **************         basic_ifstream_line_iterator         ************** //

// ************************************************************************** //

#ifdef BOOST_MSVC

# pragma warning(push)

# pragma warning(disable: 4355) // 'this' : used in base member initializer list

#endif

template<typename CharT>

class basic_ifstream_line_iterator : ut_detail::ifstream_holder<CharT>, public basic_istream_line_iterator<CharT>

{

public:

    basic_ifstream_line_iterator( basic_cstring<CharT const> file_name, CharT delimeter )

    : ut_detail::ifstream_holder<CharT>( file_name ), basic_istream_line_iterator<CharT>( this->m_stream, delimeter ) {}

    explicit basic_ifstream_line_iterator( basic_cstring<CharT const> file_name = basic_cstring<CharT const>() )

    : ut_detail::ifstream_holder<CharT>( file_name ), basic_istream_line_iterator<CharT>( this->m_stream ) {}

};

#ifdef BOOST_MSVC

# pragma warning(default: 4355)

#endif

typedef basic_ifstream_line_iterator<char>      ifstream_line_iterator;

typedef basic_ifstream_line_iterator<wchar_t>   wifstream_line_iterator;

} // namespace unit_test

} // namespace boost

//____________________________________________________________________________//

#include <boost/test/detail/enable_warnings.hpp>

// ***************************************************************************

//  Revision History :

//  

//  $Log: ifstream_line_iterator.hpp,v $

//  Revision 1.7  2005/06/11 07:21:23  rogeeff

//  reverse prev fix

//

//  Revision 1.6  2005/06/07 05:08:03  rogeeff

//  gcc fix

//

//  Revision 1.5  2005/02/20 08:27:09  rogeeff

//  This a major update for Boost.Test framework. See release docs for complete list of fixes/updates

//

//  Revision 1.4  2005/02/01 06:40:08  rogeeff

//  copyright update

//  old log entries removed

//  minor stilistic changes

//  depricated tools removed

//

//  Revision 1.3  2005/01/30 01:44:14  rogeeff

//  warnings suppressed

//

//  Revision 1.2  2005/01/22 19:22:13  rogeeff

//  implementation moved into headers section to eliminate dependency of included/minimal component on src directory

//

//  Revision 1.1  2005/01/22 18:21:40  rogeeff

//  moved sharable staff into utils

//

// ***************************************************************************

#endif // BOOST_IFSTREAM_LINE_ITERATOR_HPP_071894GER