Chris@16: /*
Chris@16:  * Defines the class template boost::iostreams::detail::device_adapter,
Chris@16:  * a convenience base class for device adapters.
Chris@16:  *
Chris@16:  * File:        boost/iostreams/detail/adapter/filter_adapter.hpp
Chris@16:  * Date:        Mon Nov 26 14:35:48 MST 2007
Chris@16:  * 
Chris@16:  * Copyright:   2007-2008 CodeRage, LLC
Chris@16:  * Author:      Jonathan Turkanis
Chris@16:  * Contact:     turkanis at coderage dot com
Chris@16:  *
Chris@16:  * Distributed under the Boost Software License, Version 1.0.(See accompanying 
Chris@16:  * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
Chris@16:  * 
Chris@16:  * See http://www.boost.org/libs/iostreams for documentation.
Chris@16:  */
Chris@16: 
Chris@16: #ifndef BOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED
Chris@16: #define BOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED
Chris@16: 
Chris@16: #include <boost/iostreams/categories.hpp>
Chris@16: #include <boost/iostreams/detail/call_traits.hpp>
Chris@16: #include <boost/iostreams/detail/ios.hpp>
Chris@16: #include <boost/iostreams/operations.hpp>
Chris@16: #include <boost/iostreams/traits.hpp>
Chris@16: #include <boost/static_assert.hpp>
Chris@16: 
Chris@16: namespace boost { namespace iostreams { namespace detail {
Chris@16: 
Chris@16: template<typename T>
Chris@16: class device_adapter {
Chris@16: private:
Chris@16:     typedef typename detail::value_type<T>::type value_type;
Chris@16:     typedef typename detail::param_type<T>::type param_type;
Chris@16: public:
Chris@16:     explicit device_adapter(param_type t) : t_(t) { }
Chris@16:     T& component() { return t_; }
Chris@16: 
Chris@16:     void close() 
Chris@16:     {
Chris@16:         detail::close_all(t_);
Chris@16:     }
Chris@16: 
Chris@16:     void close(BOOST_IOS::openmode which) 
Chris@16:     { 
Chris@16:         iostreams::close(t_, which); 
Chris@16:     }
Chris@16: 
Chris@16:     bool flush() 
Chris@16:     { 
Chris@16:         return iostreams::flush(t_); 
Chris@16:     }
Chris@16: 
Chris@16:     template<typename Locale> // Avoid dependency on <locale>
Chris@16:     void imbue(const Locale& loc) { iostreams::imbue(t_, loc); }
Chris@16: 
Chris@16:     std::streamsize optimal_buffer_size() const 
Chris@16:     { return iostreams::optimal_buffer_size(t_); }
Chris@16: public:
Chris@16:     value_type t_;
Chris@16: };
Chris@16: 
Chris@16: //----------------------------------------------------------------------------//
Chris@16: 
Chris@16: } } } // End namespaces detail, iostreams, boost.
Chris@16: 
Chris@16: #endif // #ifndef BOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED