/*
  CLAW - a C++ Library Absolutely Wonderful

  CLAW is a free library without any particular aim but being useful to 
  anyone.

  Copyright (C) 2005-2011 Julien Jorge

  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 St, Fifth Floor, Boston, MA  02110-1301  USA

  contact: julien.jorge@gamned.org
*/
/**
 * \file dynamic_library.cpp
 * \brief Implementation of the claw::dynamic_library class.
 * \author Julien Jorge
 */
#include <claw/dynamic_library.hpp>
#include <claw/exception.hpp>

/*----------------------------------------------------------------------------*/
/**
 * \brief Constructor.
 * \param name Name of the library to load.
 * \param current_program Tell if the \a name parameter is the current program.
 */
claw::dynamic_library::dynamic_library( const std::string& name,
                                        bool current_program )
{
  if ( current_program )
    m_handle = dynamic_library_traits::auto_open( name );
  else
    m_handle = dynamic_library_traits::open( name );

  if ( !dynamic_library_traits::valid_handle(m_handle) )
    throw exception( "Can't open library '" + name + "'" );
} // dynamic_library::dynamic_library()

/*----------------------------------------------------------------------------*/
/**
 * \brief Destructor (close the library).
 */
claw::dynamic_library::~dynamic_library()
{
  dynamic_library_traits::close( m_handle );
} // dynamic_library::~dynamic_library()

/*----------------------------------------------------------------------------*/
/**
 * \brief Tell if the library has a symbol.
 * \param name The symbol to find.
 */
bool claw::dynamic_library::have_symbol( const std::string& name ) const
{
  return dynamic_library_traits::have_symbol( m_handle, name );
} // dynamic_library::have_symbol()

