diff options
Diffstat (limited to 'include/codecvt')
| -rw-r--r-- | include/codecvt | 547 |
1 files changed, 547 insertions, 0 deletions
diff --git a/include/codecvt b/include/codecvt new file mode 100644 index 0000000..6c44e34 --- /dev/null +++ b/include/codecvt @@ -0,0 +1,547 @@ +// -*- C++ -*- +//===-------------------------- codecvt -----------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#ifndef _LIBCPP_CODECVT +#define _LIBCPP_CODECVT + +/* + codecvt synopsis + +namespace std +{ + +enum codecvt_mode +{ + consume_header = 4, + generate_header = 2, + little_endian = 1 +}; + +template <class Elem, unsigned long Maxcode = 0x10ffff, + codecvt_mode Mode = (codecvt_mode)0> +class codecvt_utf8 + : public codecvt<Elem, char, mbstate_t> +{ + // unspecified +}; + +template <class Elem, unsigned long Maxcode = 0x10ffff, + codecvt_mode Mode = (codecvt_mode)0> +class codecvt_utf16 + : public codecvt<Elem, char, mbstate_t> +{ + // unspecified +}; + +template <class Elem, unsigned long Maxcode = 0x10ffff, + codecvt_mode Mode = (codecvt_mode)0> +class codecvt_utf8_utf16 + : public codecvt<Elem, char, mbstate_t> +{ + // unspecified +}; + +} // std + +*/ + +#include <__config> +#include <__locale> + +#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) +#pragma GCC system_header +#endif + +_LIBCPP_BEGIN_NAMESPACE_STD + +enum codecvt_mode +{ + consume_header = 4, + generate_header = 2, + little_endian = 1 +}; + +// codecvt_utf8 + +template <class _Elem> class __codecvt_utf8; + +template <> +class __codecvt_utf8<wchar_t> + : public codecvt<wchar_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef wchar_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf8<char16_t> + : public codecvt<char16_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char16_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf8<char32_t> + : public codecvt<char32_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char32_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <class _Elem, unsigned long _Maxcode = 0x10ffff, + codecvt_mode _Mode = (codecvt_mode)0> +class _LIBCPP_VISIBLE codecvt_utf8 + : public __codecvt_utf8<_Elem> +{ +public: + _LIBCPP_ALWAYS_INLINE + explicit codecvt_utf8(size_t __refs = 0) + : __codecvt_utf8<_Elem>(__refs, _Maxcode, _Mode) {} + + _LIBCPP_ALWAYS_INLINE + ~codecvt_utf8() {} +}; + +// codecvt_utf16 + +template <class _Elem, bool _LittleEndian> class __codecvt_utf16; + +template <> +class __codecvt_utf16<wchar_t, false> + : public codecvt<wchar_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef wchar_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf16<wchar_t, true> + : public codecvt<wchar_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef wchar_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf16<char16_t, false> + : public codecvt<char16_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char16_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf16<char16_t, true> + : public codecvt<char16_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char16_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf16<char32_t, false> + : public codecvt<char32_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char32_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf16<char32_t, true> + : public codecvt<char32_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char32_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <class _Elem, unsigned long _Maxcode = 0x10ffff, + codecvt_mode _Mode = (codecvt_mode)0> +class _LIBCPP_VISIBLE codecvt_utf16 + : public __codecvt_utf16<_Elem, _Mode & little_endian> +{ +public: + _LIBCPP_ALWAYS_INLINE + explicit codecvt_utf16(size_t __refs = 0) + : __codecvt_utf16<_Elem, _Mode & little_endian>(__refs, _Maxcode, _Mode) {} + + _LIBCPP_ALWAYS_INLINE + ~codecvt_utf16() {} +}; + +// codecvt_utf8_utf16 + +template <class _Elem> class __codecvt_utf8_utf16; + +template <> +class __codecvt_utf8_utf16<wchar_t> + : public codecvt<wchar_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef wchar_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf8_utf16<char32_t> + : public codecvt<char32_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char32_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <> +class __codecvt_utf8_utf16<char16_t> + : public codecvt<char16_t, char, mbstate_t> +{ + unsigned long _Maxcode_; + codecvt_mode _Mode_; +public: + typedef char16_t intern_type; + typedef char extern_type; + typedef mbstate_t state_type; + + _LIBCPP_ALWAYS_INLINE + explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, + codecvt_mode _Mode) + : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), + _Mode_(_Mode) {} +protected: + virtual result + do_out(state_type& __st, + const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual result + do_in(state_type& __st, + const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, + intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; + virtual result + do_unshift(state_type& __st, + extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; + virtual int do_encoding() const throw(); + virtual bool do_always_noconv() const throw(); + virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, + size_t __mx) const; + virtual int do_max_length() const throw(); +}; + +template <class _Elem, unsigned long _Maxcode = 0x10ffff, + codecvt_mode _Mode = (codecvt_mode)0> +class _LIBCPP_VISIBLE codecvt_utf8_utf16 + : public __codecvt_utf8_utf16<_Elem> +{ +public: + _LIBCPP_ALWAYS_INLINE + explicit codecvt_utf8_utf16(size_t __refs = 0) + : __codecvt_utf8_utf16<_Elem>(__refs, _Maxcode, _Mode) {} + + _LIBCPP_ALWAYS_INLINE + ~codecvt_utf8_utf16() {} +}; + +_LIBCPP_END_NAMESPACE_STD + +#endif // _LIBCPP_CODECVT |
