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modified to handle dual_use

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[SVN r28109]
This commit is contained in:
Jonathan Turkanis
2005-04-11 14:56:08 +00:00
parent d52d9c1bdb
commit 992d8a306e
1 changed files with 20 additions and 10 deletions
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30
include/boost/iostreams/concepts.hpp
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@@ -50,8 +50,8 @@ template<typename Mode, typename Ch = wchar_t>
struct wdevice : device<Mode, Ch> { };
typedef device<input> source;
typedef device<output> sink;
typedef wdevice<input> wsource;
typedef device<output> sink;
typedef wdevice<output> wsink;
//--------------Definitions of helper templates for simple filter concepts----//
@@ -71,13 +71,17 @@ struct filter {
{
using namespace detail;
BOOST_STATIC_ASSERT((!is_convertible<Mode, two_sequence>::value));
BOOST_STATIC_ASSERT((!is_convertible<Mode, dual_use>::value));
}
template<typename Device>
void close(Device&, BOOST_IOS::openmode)
{
using namespace detail;
BOOST_STATIC_ASSERT((is_convertible<Mode, two_sequence>::value));
BOOST_STATIC_ASSERT(
(is_convertible<Mode, two_sequence>::value) ||
(is_convertible<Mode, dual_use>::value)
);
}
template<typename Locale>
@@ -87,10 +91,14 @@ struct filter {
template<typename Mode, typename Ch = wchar_t>
struct wfilter : filter<Mode, Ch> { };
typedef filter<input> input_filter;
typedef filter<output> output_filter;
typedef wfilter<input> input_wfilter;
typedef wfilter<output> output_wfilter;
typedef filter<input> input_filter;
typedef wfilter<input> input_wfilter;
typedef filter<output> output_filter;
typedef wfilter<output> output_wfilter;
typedef filter<seekable> seekable_filter;
typedef wfilter<seekable> seekable_wfilter;
typedef filter<dual_use> dual_use_filter;
typedef wfilter<dual_use> dual_use_wfilter;
//------Definitions of helper templates for multi-character filter cncepts----//
@@ -102,10 +110,12 @@ struct multichar_filter : filter<Mode, Ch> {
template<typename Mode, typename Ch = wchar_t>
struct multichar_wfilter : multichar_filter<Mode, Ch> { };
typedef multichar_filter<input> multichar_input_filter;
typedef multichar_filter<output> multichar_output_filter;
typedef multichar_wfilter<input> multichar_input_wfilter;
typedef multichar_wfilter<output> multichar_output_wfilter;
typedef multichar_filter<input> multichar_input_filter;
typedef multichar_filter<input> multichar_input_wfilter;
typedef multichar_filter<output> multichar_output_filter;
typedef multichar_filter<output> multichar_output_wfilter;
typedef multichar_filter<dual_use> multichar_dual_use_filter;
typedef multichar_filter<dual_use> multichar_dual_use_wfilter;
//----------------------------------------------------------------------------//