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// -*- C++ -*- |
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//===-------------------------- codecvt -----------------------------------===// |
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// |
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// The LLVM Compiler Infrastructure |
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// |
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// This file is dual licensed under the MIT and the University of Illinois Open |
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// Source Licenses. See LICENSE.TXT for details. |
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// |
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//===----------------------------------------------------------------------===// |
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|
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#ifndef _LIBCPP_CODECVT |
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#define _LIBCPP_CODECVT |
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|
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/* |
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codecvt synopsis |
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|
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namespace std |
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{
|
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|
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enum codecvt_mode |
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{
|
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consume_header = 4, |
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generate_header = 2, |
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little_endian = 1 |
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}; |
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|
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template <class Elem, unsigned long Maxcode = 0x10ffff, |
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codecvt_mode Mode = (codecvt_mode)0> |
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class codecvt_utf8 |
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: public codecvt<Elem, char, mbstate_t> |
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{
|
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explicit codecvt_utf8(size_t refs = 0); |
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~codecvt_utf8(); |
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}; |
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|
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template <class Elem, unsigned long Maxcode = 0x10ffff, |
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codecvt_mode Mode = (codecvt_mode)0> |
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class codecvt_utf16 |
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: public codecvt<Elem, char, mbstate_t> |
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{
|
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explicit codecvt_utf16(size_t refs = 0); |
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~codecvt_utf16(); |
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}; |
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|
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template <class Elem, unsigned long Maxcode = 0x10ffff, |
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codecvt_mode Mode = (codecvt_mode)0> |
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class codecvt_utf8_utf16 |
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: public codecvt<Elem, char, mbstate_t> |
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{
|
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explicit codecvt_utf8_utf16(size_t refs = 0); |
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~codecvt_utf8_utf16(); |
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}; |
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|
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} // std |
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|
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*/ |
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|
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#include <__config> |
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#include <__locale> |
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|
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#if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
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#pragma GCC system_header |
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#endif |
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|
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_LIBCPP_BEGIN_NAMESPACE_STD |
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|
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enum codecvt_mode |
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{
|
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consume_header = 4, |
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generate_header = 2, |
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little_endian = 1 |
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}; |
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|
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// codecvt_utf8 |
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|
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template <class _Elem> class __codecvt_utf8; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf8<wchar_t> |
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: public codecvt<wchar_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef wchar_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf8<char16_t> |
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: public codecvt<char16_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef char16_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf8<char32_t> |
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: public codecvt<char32_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef char32_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <class _Elem, unsigned long _Maxcode = 0x10ffff, |
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codecvt_mode _Mode = (codecvt_mode)0> |
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class _LIBCPP_TYPE_VIS_ONLY codecvt_utf8 |
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: public __codecvt_utf8<_Elem> |
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{
|
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public: |
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_LIBCPP_ALWAYS_INLINE |
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explicit codecvt_utf8(size_t __refs = 0) |
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: __codecvt_utf8<_Elem>(__refs, _Maxcode, _Mode) {}
|
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|
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_LIBCPP_ALWAYS_INLINE |
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~codecvt_utf8() {}
|
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}; |
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|
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// codecvt_utf16 |
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|
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template <class _Elem, bool _LittleEndian> class __codecvt_utf16; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf16<wchar_t, false> |
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: public codecvt<wchar_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef wchar_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf16<wchar_t, true> |
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: public codecvt<wchar_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef wchar_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf16<char16_t, false> |
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: public codecvt<char16_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef char16_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf16<char16_t, true> |
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: public codecvt<char16_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef char16_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf16<char32_t, false> |
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: public codecvt<char32_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef char32_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <> |
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class _LIBCPP_TYPE_VIS __codecvt_utf16<char32_t, true> |
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: public codecvt<char32_t, char, mbstate_t> |
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{
|
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unsigned long _Maxcode_; |
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codecvt_mode _Mode_; |
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public: |
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typedef char32_t intern_type; |
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typedef char extern_type; |
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typedef mbstate_t state_type; |
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|
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_LIBCPP_ALWAYS_INLINE |
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explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
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codecvt_mode _Mode) |
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: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
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_Mode_(_Mode) {}
|
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protected: |
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virtual result |
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do_out(state_type& __st, |
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const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual result |
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do_in(state_type& __st, |
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const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
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intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
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virtual result |
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do_unshift(state_type& __st, |
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extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
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virtual int do_encoding() const throw(); |
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virtual bool do_always_noconv() const throw(); |
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virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
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size_t __mx) const; |
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virtual int do_max_length() const throw(); |
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}; |
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|
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template <class _Elem, unsigned long _Maxcode = 0x10ffff, |
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codecvt_mode _Mode = (codecvt_mode)0> |
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class _LIBCPP_TYPE_VIS_ONLY codecvt_utf16 |
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: public __codecvt_utf16<_Elem, _Mode & little_endian> |
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{
|
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public: |
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_LIBCPP_ALWAYS_INLINE |
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explicit codecvt_utf16(size_t __refs = 0) |
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: __codecvt_utf16<_Elem, _Mode & little_endian>(__refs, _Maxcode, _Mode) {}
|
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|
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_LIBCPP_ALWAYS_INLINE |
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~codecvt_utf16() {}
|
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}; |
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|
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// codecvt_utf8_utf16 |
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|
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template <class _Elem> class __codecvt_utf8_utf16; |
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|
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template <> |
| 430 |
class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<wchar_t> |
| 431 |
: public codecvt<wchar_t, char, mbstate_t> |
| 432 |
{
|
| 433 |
unsigned long _Maxcode_; |
| 434 |
codecvt_mode _Mode_; |
| 435 |
public: |
| 436 |
typedef wchar_t intern_type; |
| 437 |
typedef char extern_type; |
| 438 |
typedef mbstate_t state_type; |
| 439 |
|
| 440 |
_LIBCPP_ALWAYS_INLINE |
| 441 |
explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, |
| 442 |
codecvt_mode _Mode) |
| 443 |
: codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 444 |
_Mode_(_Mode) {}
|
| 445 |
protected: |
| 446 |
virtual result |
| 447 |
do_out(state_type& __st, |
| 448 |
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
| 449 |
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
| 450 |
virtual result |
| 451 |
do_in(state_type& __st, |
| 452 |
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
| 453 |
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
| 454 |
virtual result |
| 455 |
do_unshift(state_type& __st, |
| 456 |
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
| 457 |
virtual int do_encoding() const throw(); |
| 458 |
virtual bool do_always_noconv() const throw(); |
| 459 |
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
| 460 |
size_t __mx) const; |
| 461 |
virtual int do_max_length() const throw(); |
| 462 |
}; |
| 463 |
|
| 464 |
template <> |
| 465 |
class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<char32_t> |
| 466 |
: public codecvt<char32_t, char, mbstate_t> |
| 467 |
{
|
| 468 |
unsigned long _Maxcode_; |
| 469 |
codecvt_mode _Mode_; |
| 470 |
public: |
| 471 |
typedef char32_t intern_type; |
| 472 |
typedef char extern_type; |
| 473 |
typedef mbstate_t state_type; |
| 474 |
|
| 475 |
_LIBCPP_ALWAYS_INLINE |
| 476 |
explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, |
| 477 |
codecvt_mode _Mode) |
| 478 |
: codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 479 |
_Mode_(_Mode) {}
|
| 480 |
protected: |
| 481 |
virtual result |
| 482 |
do_out(state_type& __st, |
| 483 |
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
| 484 |
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
| 485 |
virtual result |
| 486 |
do_in(state_type& __st, |
| 487 |
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
| 488 |
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
| 489 |
virtual result |
| 490 |
do_unshift(state_type& __st, |
| 491 |
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
| 492 |
virtual int do_encoding() const throw(); |
| 493 |
virtual bool do_always_noconv() const throw(); |
| 494 |
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
| 495 |
size_t __mx) const; |
| 496 |
virtual int do_max_length() const throw(); |
| 497 |
}; |
| 498 |
|
| 499 |
template <> |
| 500 |
class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<char16_t> |
| 501 |
: public codecvt<char16_t, char, mbstate_t> |
| 502 |
{
|
| 503 |
unsigned long _Maxcode_; |
| 504 |
codecvt_mode _Mode_; |
| 505 |
public: |
| 506 |
typedef char16_t intern_type; |
| 507 |
typedef char extern_type; |
| 508 |
typedef mbstate_t state_type; |
| 509 |
|
| 510 |
_LIBCPP_ALWAYS_INLINE |
| 511 |
explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, |
| 512 |
codecvt_mode _Mode) |
| 513 |
: codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 514 |
_Mode_(_Mode) {}
|
| 515 |
protected: |
| 516 |
virtual result |
| 517 |
do_out(state_type& __st, |
| 518 |
const intern_type* __frm, const intern_type* __frm_end, const intern_type*& __frm_nxt, |
| 519 |
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
| 520 |
virtual result |
| 521 |
do_in(state_type& __st, |
| 522 |
const extern_type* __frm, const extern_type* __frm_end, const extern_type*& __frm_nxt, |
| 523 |
intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt) const; |
| 524 |
virtual result |
| 525 |
do_unshift(state_type& __st, |
| 526 |
extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt) const; |
| 527 |
virtual int do_encoding() const throw(); |
| 528 |
virtual bool do_always_noconv() const throw(); |
| 529 |
virtual int do_length(state_type&, const extern_type* __frm, const extern_type* __end, |
| 530 |
size_t __mx) const; |
| 531 |
virtual int do_max_length() const throw(); |
| 532 |
}; |
| 533 |
|
| 534 |
template <class _Elem, unsigned long _Maxcode = 0x10ffff, |
| 535 |
codecvt_mode _Mode = (codecvt_mode)0> |
| 536 |
class _LIBCPP_TYPE_VIS_ONLY codecvt_utf8_utf16 |
| 537 |
: public __codecvt_utf8_utf16<_Elem> |
| 538 |
{
|
| 539 |
public: |
| 540 |
_LIBCPP_ALWAYS_INLINE |
| 541 |
explicit codecvt_utf8_utf16(size_t __refs = 0) |
| 542 |
: __codecvt_utf8_utf16<_Elem>(__refs, _Maxcode, _Mode) {}
|
| 543 |
|
| 544 |
_LIBCPP_ALWAYS_INLINE |
| 545 |
~codecvt_utf8_utf16() {}
|
| 546 |
}; |
| 547 |
|
| 548 |
_LIBCPP_END_NAMESPACE_STD |
| 549 |
|
| 550 |
#endif // _LIBCPP_CODECVT |