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1 | /* |
2 | * Defines the class template boost::iostreams::detail::filter_adapter, | |
3 | * a convenience base class for filter adapters. | |
4 | * | |
5 | * File: boost/iostreams/detail/adapter/filter_adapter.hpp | |
6 | * Date: Mon Nov 26 14:35:48 MST 2007 | |
7 | * Copyright: 2007-2008 CodeRage, LLC | |
8 | * Author: Jonathan Turkanis | |
9 | * Contact: turkanis at coderage dot com | |
10 | * | |
11 | * Distributed under the Boost Software License, Version 1.0.(See accompanying | |
12 | * file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.) | |
13 | * | |
14 | * See http://www.boost.org/libs/iostreams for documentation. | |
15 | */ | |
16 | ||
17 | #ifndef BOOST_IOSTREAMS_DETAIL_FILTER_ADAPTER_HPP_INCLUDED | |
18 | #define BOOST_IOSTREAMS_DETAIL_FILTER_ADAPTER_HPP_INCLUDED | |
19 | ||
20 | #include <boost/iostreams/categories.hpp> | |
21 | #include <boost/iostreams/detail/call_traits.hpp> | |
22 | #include <boost/iostreams/detail/ios.hpp> | |
23 | #include <boost/iostreams/operations.hpp> | |
24 | #include <boost/iostreams/traits.hpp> | |
25 | #include <boost/static_assert.hpp> | |
26 | ||
27 | namespace boost { namespace iostreams { namespace detail { | |
28 | ||
29 | template<typename T> | |
30 | class filter_adapter { | |
31 | private: | |
32 | typedef typename detail::value_type<T>::type value_type; | |
33 | typedef typename detail::param_type<T>::type param_type; | |
34 | public: | |
35 | explicit filter_adapter(param_type t) : t_(t) { } | |
36 | T& component() { return t_; } | |
37 | ||
38 | template<typename Device> | |
39 | void close(Device& dev) | |
40 | { | |
41 | detail::close_all(t_, dev); | |
42 | } | |
43 | ||
44 | template<typename Device> | |
45 | void close(Device& dev, BOOST_IOS::openmode which) | |
46 | { | |
47 | iostreams::close(t_, dev, which); | |
48 | } | |
49 | ||
50 | template<typename Device> | |
51 | void flush(Device& dev) | |
52 | { | |
53 | return iostreams::flush(t_, dev); | |
54 | } | |
55 | ||
56 | template<typename Locale> // Avoid dependency on <locale> | |
57 | void imbue(const Locale& loc) { iostreams::imbue(t_, loc); } | |
58 | ||
59 | std::streamsize optimal_buffer_size() const | |
60 | { return iostreams::optimal_buffer_size(t_); } | |
61 | public: | |
62 | value_type t_; | |
63 | }; | |
64 | ||
65 | //----------------------------------------------------------------------------// | |
66 | ||
67 | } } } // End namespaces detail, iostreams, boost. | |
68 | ||
69 | #endif // #ifndef BOOST_IOSTREAMS_DETAIL_FILTER_ADAPTER_HPP_INCLUDED |