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1 | /* |
2 | * Defines the class template boost::iostreams::detail::device_adapter, | |
3 | * a convenience base class for device adapters. | |
4 | * | |
5 | * File: boost/iostreams/detail/adapter/filter_adapter.hpp | |
6 | * Date: Mon Nov 26 14:35:48 MST 2007 | |
7 | * | |
8 | * Copyright: 2007-2008 CodeRage, LLC | |
9 | * Author: Jonathan Turkanis | |
10 | * Contact: turkanis at coderage dot com | |
11 | * | |
12 | * Distributed under the Boost Software License, Version 1.0.(See accompanying | |
13 | * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.) | |
14 | * | |
15 | * See http://www.boost.org/libs/iostreams for documentation. | |
16 | */ | |
17 | ||
18 | #ifndef BOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED | |
19 | #define BOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED | |
20 | ||
21 | #include <boost/iostreams/categories.hpp> | |
22 | #include <boost/iostreams/detail/call_traits.hpp> | |
23 | #include <boost/iostreams/detail/ios.hpp> | |
24 | #include <boost/iostreams/operations.hpp> | |
25 | #include <boost/iostreams/traits.hpp> | |
26 | #include <boost/static_assert.hpp> | |
27 | ||
28 | namespace boost { namespace iostreams { namespace detail { | |
29 | ||
30 | template<typename T> | |
31 | class device_adapter { | |
32 | private: | |
33 | typedef typename detail::value_type<T>::type value_type; | |
34 | typedef typename detail::param_type<T>::type param_type; | |
35 | public: | |
36 | explicit device_adapter(param_type t) : t_(t) { } | |
37 | T& component() { return t_; } | |
38 | ||
39 | void close() | |
40 | { | |
41 | detail::close_all(t_); | |
42 | } | |
43 | ||
44 | void close(BOOST_IOS::openmode which) | |
45 | { | |
46 | iostreams::close(t_, which); | |
47 | } | |
48 | ||
49 | bool flush() | |
50 | { | |
51 | return iostreams::flush(t_); | |
52 | } | |
53 | ||
54 | template<typename Locale> // Avoid dependency on <locale> | |
55 | void imbue(const Locale& loc) { iostreams::imbue(t_, loc); } | |
56 | ||
57 | std::streamsize optimal_buffer_size() const | |
58 | { return iostreams::optimal_buffer_size(t_); } | |
59 | public: | |
60 | value_type t_; | |
61 | }; | |
62 | ||
63 | //----------------------------------------------------------------------------// | |
64 | ||
65 | } } } // End namespaces detail, iostreams, boost. | |
66 | ||
67 | #endif // #ifndef BOOST_IOSTREAMS_DETAIL_DEVICE_ADAPTER_HPP_INCLUDED |