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std::wbuffer_convert

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Defined in header <locale>
template<class Codecvt,

         class Elem = wchar_t,
         class Tr = std::char_traits<Elem> >

class wbuffer_convert : public std::basic_streambuf<Elem, Tr>
(since C++11)

std::wbuffer_convert is a wrapper over stream buffer of type std::basic_streambuf<char> which gives it the appearance of std::basic_streambuf<Elem>. All I/O performed through std::wbuffer_convert undergoes character conversion as defined by the facet Codecvt. std::wbuffer_convert assumes ownership of the conversion facet, and cannot use a facet managed by a locale. The standard facets suitable for use with std::wbuffer_convert are std::codecvt_utf8 for UTF-8/UCS2 and UTF-8/UCS4 conversions and std::codecvt_utf8_utf16 for UTF-8/UTF-16 conversions.

This class template makes the implicit character conversion functionality of std::basic_filebuf available for any std::basic_streambuf.

[edit] Member types

Member type Definition
state_type Codecvt::state_type

[edit] Member functions

constructs a new wbuffer_convert
(public member function) [edit]
operator=
the copy assignment operator is deleted
(public member function)
destructs the wbuffer_convert and its conversion facet
(public member function) [edit]
returns or replaces the underlying narrow stream buffer
(public member function) [edit]
returns the current conversion state
(public member function) [edit]

[edit] See also

Character
conversions
narrow multibyte
(char)
UTF-8
(char)
UTF-16
(char16_t)
UTF-16 mbrtoc16 / c16rtomb codecvt<char16_t, char, mbstate_t>
codecvt_utf8_utf16<char16_t>
codecvt_utf8_utf16<char32_t>
codecvt_utf8_utf16<wchar_t>
N/A
UCS2 No codecvt_utf8<char16_t> codecvt_utf16<char16_t>
UTF-32/UCS4
(char32_t)
mbrtoc32 / c32rtomb codecvt<char32_t, char, mbstate_t>
codecvt_utf8<char32_t>
codecvt_utf16<char32_t>
UCS2/UCS4
(wchar_t)
No codecvt_utf8<wchar_t> codecvt_utf16<wchar_t>
wide
(wchar_t)
codecvt<wchar_t, char, mbstate_t>
mbsrtowcs / wcsrtombs
No No
performs conversions between a wide string and a byte string
(class template) [edit]
converts between UTF-8 and UCS2/UCS4
(class template) [edit]
converts between UTF-8 and UTF-16
(class template) [edit]