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[SVN r44246]
This commit is contained in:
Emil Dotchevski
2008-04-12 03:27:57 +00:00
parent 761ae0bc1e
commit ec40d3d8ad
7 changed files with 77 additions and 77 deletions
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52
include/boost/exception/detail/is_output_streamable.hpp
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@ -11,40 +11,40 @@
namespace
boost
{
namespace
to_string_detail
{
template <bool>
struct
is_output_streamable_dispatch
{
enum e { value=1 };
};
namespace
to_string_detail
{
template <bool>
struct
is_output_streamable_dispatch
{
enum e { value=1 };
};
template <>
struct
is_output_streamable_dispatch<false>
{
enum e { value=0 };
};
template <>
struct
is_output_streamable_dispatch<false>
{
enum e { value=0 };
};
template <class T,class CharT,class Traits>
char operator<<( std::basic_ostream<CharT,Traits> &, T const & );
template <class T,class CharT,class Traits>
template <class T,class CharT,class Traits>
struct
is_output_streamable_impl
{
enum e { value=is_output_streamable_dispatch<1!=sizeof((*(std::basic_ostream<CharT,Traits>*)0)<<(*(T*)0))>::value };
};
}
is_output_streamable_impl
{
enum e { value=is_output_streamable_dispatch<1!=sizeof((*(std::basic_ostream<CharT,Traits>*)0)<<(*(T*)0))>::value };
};
}
template <class T, class CharT=char, class Traits=std::char_traits<CharT> >
template <class T, class CharT=char, class Traits=std::char_traits<CharT> >
struct
is_output_streamable
{
enum e { value=to_string_detail::is_output_streamable_impl<T,CharT,Traits>::value };
};
is_output_streamable
{
enum e { value=to_string_detail::is_output_streamable_impl<T,CharT,Traits>::value };
};
}
#endif

56
include/boost/exception/to_string.hpp
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@ -13,45 +13,45 @@
namespace
boost
{
namespace
to_string_detail
{
namespace
to_string_detail
{
template <class T>
typename disable_if<is_output_streamable<T>,char>::type to_string( T const & );
template <class,bool IsOutputStreamable>
template <class,bool IsOutputStreamable>
struct has_to_string_impl;
template <class T>
template <class T>
struct
has_to_string_impl<T,true>
{
enum e { value=1 };
};
has_to_string_impl<T,true>
{
enum e { value=1 };
};
template <class T>
template <class T>
struct
has_to_string_impl<T,false>
{
enum e { value=1!=sizeof(to_string(*(T*)0)) };
};
}
has_to_string_impl<T,false>
{
enum e { value=1!=sizeof(to_string(*(T*)0)) };
};
}
template <class T>
typename enable_if<is_output_streamable<T>,std::string>::type
to_string( T const & x )
{
std::ostringstream out;
out << x;
return out.str();
}
template <class T>
typename enable_if<is_output_streamable<T>,std::string>::type
to_string( T const & x )
{
std::ostringstream out;
out << x;
return out.str();
}
template <class T>
template <class T>
struct
has_to_string
{
enum e { value=to_string_detail::has_to_string_impl<T,is_output_streamable<T>::value>::value };
};
has_to_string
{
enum e { value=to_string_detail::has_to_string_impl<T,is_output_streamable<T>::value>::value };
};
}
#endif

4
include/boost/exception/to_string_stub.hpp
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@ -35,7 +35,7 @@ boost
{
template <class T,class Stub>
static
std::string
std::string
convert( T const & x, Stub s )
{
return s(x);
@ -49,7 +49,7 @@ boost
std::string
dispatch( T const & x, Stub s )
{
return to_string_dispatcher<has_to_string<T>::value>::convert(x,s);
return to_string_dispatcher<has_to_string<T>::value>::convert(x,s);
}
}

16
test/has_to_string_test.cpp
View File

@ -23,7 +23,7 @@ n2
{
};
std::string
std::string
to_string( c2 const & )
{
return "c2";
@ -38,8 +38,8 @@ n3
{
};
std::ostream &
operator<<( std::ostream & s, c3 const & )
std::ostream &
operator<<( std::ostream & s, c3 const & )
{
return s << "c3";
}
@ -48,10 +48,10 @@ n3
int
main()
{
using namespace boost;
BOOST_TEST( !has_to_string<n1::c1>::value );
BOOST_TEST( has_to_string<n2::c2>::value );
BOOST_TEST( has_to_string<n3::c3>::value );
BOOST_TEST( has_to_string<int>::value );
using namespace boost;
BOOST_TEST( !has_to_string<n1::c1>::value );
BOOST_TEST( has_to_string<n2::c2>::value );
BOOST_TEST( has_to_string<n3::c3>::value );
BOOST_TEST( has_to_string<int>::value );
return boost::report_errors();
}

6
test/is_output_streamable_test.cpp
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@ -34,8 +34,8 @@ n2
int
main()
{
BOOST_TEST( !boost::is_output_streamable<n1::c1>::value );
BOOST_TEST( boost::is_output_streamable<n2::c2>::value );
BOOST_TEST( boost::is_output_streamable<int>::value );
BOOST_TEST( !boost::is_output_streamable<n1::c1>::value );
BOOST_TEST( boost::is_output_streamable<n2::c2>::value );
BOOST_TEST( boost::is_output_streamable<int>::value );
return boost::report_errors();
}

6
test/to_string_fail.cpp
View File

@ -17,7 +17,7 @@ n1
int
tester()
{
using namespace boost;
(void) to_string(n1::c1());
return 1;
using namespace boost;
(void) to_string(n1::c1());
return 1;
}

14
test/to_string_test.cpp
View File

@ -23,7 +23,7 @@ n2
{
};
std::string
std::string
to_string( c2 const & )
{
return "c2";
@ -38,8 +38,8 @@ n3
{
};
std::ostream &
operator<<( std::ostream & s, c3 const & )
std::ostream &
operator<<( std::ostream & s, c3 const & )
{
return s << "c3";
}
@ -48,9 +48,9 @@ n3
int
main()
{
using namespace boost;
BOOST_TEST( "c2"==to_string(n2::c2()) );
BOOST_TEST( "c3"==to_string(n3::c3()) );
BOOST_TEST( "42"==to_string(42) );
using namespace boost;
BOOST_TEST( "c2"==to_string(n2::c2()) );
BOOST_TEST( "c3"==to_string(n3::c3()) );
BOOST_TEST( "42"==to_string(42) );
return boost::report_errors();
}