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Add support for string_view

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This commit is contained in:
Peter Dimov
2021-10-01 15:07:19 +03:00
parent f884833b42
commit e260bb865d
2 changed files with 95 additions and 0 deletions
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58
include/boost/core/type_name.hpp
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@@ -21,6 +21,9 @@
#include <utility>
#include <cstdio>
#include <cstddef>
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
# include <string_view>
#endif
namespace boost
{
@@ -447,6 +450,12 @@ inline std::string type_name( tn_identity<std::nullptr_t> )
// strings
template<template<class Ch, class Tr, class A> class L, class Ch> std::string type_name( tn_identity< L<Ch, std::char_traits<Ch>, std::allocator<Ch> > > )
{
std::string tn = sequence_template_name< L<Ch, std::char_traits<Ch>, std::allocator<Ch> > >();
return tn + '<' + type_name( tn_identity<Ch>() ) + '>';
}
inline std::string type_name( tn_identity<std::string> )
{
return "std::string";
@@ -484,6 +493,55 @@ inline std::string type_name( tn_identity<std::basic_string<char8_t>> )
#endif
// string views (et al)
template<template<class Ch, class Tr> class L, class Ch> std::string type_name( tn_identity< L<Ch, std::char_traits<Ch> > > )
{
std::string tn = sequence_template_name< L<Ch, std::char_traits<Ch> > >();
return tn + '<' + type_name( tn_identity<Ch>() ) + '>';
}
#if !defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
inline std::string type_name( tn_identity<std::string_view> )
{
return "std::string_view";
}
inline std::string type_name( tn_identity<std::wstring_view> )
{
return "std::wstring_view";
}
#if !defined(BOOST_NO_CXX11_CHAR16_T)
inline std::string type_name( tn_identity<std::u16string_view> )
{
return "std::u16string_view";
}
#endif
#if !defined(BOOST_NO_CXX11_CHAR32_T)
inline std::string type_name( tn_identity<std::u32string_view> )
{
return "std::u32string_view";
}
#endif
#if defined(__cpp_char8_t) && __cpp_char8_t >= 201811L
inline std::string type_name( tn_identity<std::basic_string_view<char8_t>> )
{
return "std::u8string_view";
}
#endif
#endif
// class templates
#if !defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES)