1 // (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
2 // (C) Copyright 2003-2007 Jonathan Turkanis
3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
5
6 // See http://www.boost.org/libs/iostreams for documentation.
7
8 #ifndef BOOST_IOSTREAMS_STREAM_BUFFER_HPP_INCLUDED
9 #define BOOST_IOSTREAMS_STREAM_BUFFER_HPP_INCLUDED
10
11 #if defined(_MSC_VER)
12 # pragma once
13 #endif
14
15 #include <memory> // allocator.
16 #include <boost/config.hpp> // BOOST_DEDUCED_TYPENAME.
17 #include <boost/iostreams/detail/char_traits.hpp>
18 #include <boost/iostreams/detail/config/overload_resolution.hpp>
19 #include <boost/iostreams/detail/forward.hpp>
20 #include <boost/iostreams/detail/ios.hpp> // failure, streamsize.
21 #include <boost/iostreams/detail/streambuf/direct_streambuf.hpp>
22 #include <boost/iostreams/detail/streambuf/indirect_streambuf.hpp>
23 #include <boost/iostreams/traits.hpp>
24 #include <boost/static_assert.hpp>
25 #include <boost/throw_exception.hpp>
26 #include <boost/type_traits/is_convertible.hpp>
27
28 // Must come last.
29 #include <boost/iostreams/detail/config/disable_warnings.hpp> // MSVC.
30
31 namespace boost { namespace iostreams { namespace detail {
32
33 template<typename T, typename Tr, typename Alloc, typename Mode>
34 struct stream_buffer_traits {
35 typedef typename
36 mpl::if_<
37 is_convertible<
38 BOOST_DEDUCED_TYPENAME category_of<T>::type,
39 direct_tag
40 >,
41 direct_streambuf<T, Tr>,
42 indirect_streambuf<T, Tr, Alloc, Mode>
43 >::type type;
44 };
45
46 } } } // End namespaces detail, iostreams, boost
47
48 #ifdef BOOST_IOSTREAMS_BROKEN_OVERLOAD_RESOLUTION
49 # include <boost/iostreams/detail/broken_overload_resolution/stream_buffer.hpp>
50 #else
51
52 namespace boost { namespace iostreams {
53
54 template< typename T,
55 typename Tr =
56 BOOST_IOSTREAMS_CHAR_TRAITS(
57 BOOST_DEDUCED_TYPENAME char_type_of<T>::type
58 ),
59 typename Alloc =
60 std::allocator<
61 BOOST_DEDUCED_TYPENAME char_type_of<T>::type
62 >,
63 typename Mode = BOOST_DEDUCED_TYPENAME mode_of<T>::type >
64 class stream_buffer
65 : public detail::stream_buffer_traits<T, Tr, Alloc, Mode>::type
66 {
67 private:
68 BOOST_STATIC_ASSERT((
69 is_convertible<
70 BOOST_DEDUCED_TYPENAME iostreams::category_of<T>::type, Mode
71 >::value
72 ));
73 typedef typename
74 detail::stream_buffer_traits<
75 T, Tr, Alloc, Mode
76 >::type base_type;
77 public:
78 typedef typename char_type_of<T>::type char_type;
79 struct category
80 : Mode,
81 closable_tag,
82 streambuf_tag
83 { };
84 BOOST_IOSTREAMS_STREAMBUF_TYPEDEFS(Tr)
85 public:
86 stream_buffer() { }
87 ~stream_buffer()
88 {
89 try {
90 if (this->is_open() && this->auto_close())
91 this->close();
92 } catch (...) { }
93 }
|
(1) Event fun_call_w_exception: |
Called function throws an exception of type "_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINSt8ios_base7failureB5cxx11EEEEE". [details] |
94 BOOST_IOSTREAMS_FORWARD( stream_buffer, open_impl, T,
95 BOOST_IOSTREAMS_PUSH_PARAMS,
96 BOOST_IOSTREAMS_PUSH_ARGS )
97 T& operator*() { return *this->component(); }
98 T* operator->() { return this->component(); }
99 private:
100 void open_impl(const T& t BOOST_IOSTREAMS_PUSH_PARAMS())
101 { // Used for forwarding.
102 if (this->is_open())
|
(1) Event fun_call_w_exception: |
Called function throws an exception of type "_ZN5boost16exception_detail10clone_implINS0_19error_info_injectorINSt8ios_base7failureB5cxx11EEEEE". [details] |
103 boost::throw_exception(
104 BOOST_IOSTREAMS_FAILURE("already open")
105 );
106 base_type::open(t BOOST_IOSTREAMS_PUSH_ARGS());
107 }
108 };
109
110 } } // End namespaces iostreams, boost.
111
112 #endif // #ifdef BOOST_IOSTREAMS_BROKEN_OVERLOAD_RESOLUTION
113
114 #include <boost/iostreams/detail/config/enable_warnings.hpp> // MSVC.
115
116 #endif // #ifndef BOOST_IOSTREAMS_STREAM_BUFFER_HPP_INCLUDED
117