// -*- C++ -*- // Copyright (C) 2015-2021 Free Software Foundation, Inc. // // This file is part of the GNU ISO C++ Library. This library is free // software; you can redistribute it and/or modify it under the // terms of the GNU General Public License as published by the // Free Software Foundation; either version 3, or (at your option) // any later version. // This library is distributed in the hope that it will be useful, // but WITHOUT ANY WARRANTY; without even the implied warranty of // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // GNU General Public License for more details. // Under Section 7 of GPL version 3, you are granted additional // permissions described in the GCC Runtime Library Exception, version // 3.1, as published by the Free Software Foundation. // You should have received a copy of the GNU General Public License and // a copy of the GCC Runtime Library Exception along with this program; // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see // . // ISO C++ 14882: 22.5 Standard code conversion facets /** @file include/codecvt * This is a Standard C++ Library header. */ #ifndef _GLIBCXX_CODECVT #define _GLIBCXX_CODECVT 1 #pragma GCC system_header #if __cplusplus < 201103L # include #else #include #include namespace std _GLIBCXX_VISIBILITY(default) { _GLIBCXX_BEGIN_NAMESPACE_VERSION enum codecvt_mode { consume_header = 4, generate_header = 2, little_endian = 1 }; template class codecvt_utf8 : public codecvt<_Elem, char, mbstate_t> { public: explicit codecvt_utf8(size_t __refs = 0); ~codecvt_utf8(); }; template class codecvt_utf16 : public codecvt<_Elem, char, mbstate_t> { public: explicit codecvt_utf16(size_t __refs = 0); ~codecvt_utf16(); }; template class codecvt_utf8_utf16 : public codecvt<_Elem, char, mbstate_t> { public: explicit codecvt_utf8_utf16(size_t __refs = 0); ~codecvt_utf8_utf16(); }; #define _GLIBCXX_CODECVT_SPECIALIZATION2(_NAME, _ELEM) \ template<> \ class _NAME<_ELEM> \ : public codecvt<_ELEM, char, mbstate_t> \ { \ public: \ typedef _ELEM intern_type; \ typedef char extern_type; \ typedef mbstate_t state_type; \ \ protected: \ _NAME(unsigned long __maxcode, codecvt_mode __mode, size_t __refs) \ : codecvt(__refs), _M_maxcode(__maxcode), _M_mode(__mode) { } \ \ virtual \ ~_NAME(); \ \ virtual result \ do_out(state_type& __state, const intern_type* __from, \ const intern_type* __from_end, const intern_type*& __from_next, \ extern_type* __to, extern_type* __to_end, \ extern_type*& __to_next) const; \ \ virtual result \ do_unshift(state_type& __state, \ extern_type* __to, extern_type* __to_end, \ extern_type*& __to_next) const; \ \ virtual result \ do_in(state_type& __state, \ const extern_type* __from, const extern_type* __from_end, \ const extern_type*& __from_next, \ intern_type* __to, intern_type* __to_end, \ intern_type*& __to_next) const; \ \ virtual \ int do_encoding() const throw(); \ \ virtual \ bool do_always_noconv() const throw(); \ \ virtual \ int do_length(state_type&, const extern_type* __from, \ const extern_type* __end, size_t __max) const; \ \ virtual int \ do_max_length() const throw(); \ \ private: \ unsigned long _M_maxcode; \ codecvt_mode _M_mode; \ } #define _GLIBCXX_CODECVT_SPECIALIZATION(_NAME, _ELEM) \ _GLIBCXX_CODECVT_SPECIALIZATION2(__ ## _NAME ## _base, _ELEM); \ template \ class _NAME<_ELEM, _Maxcode, _Mode> \ : public __ ## _NAME ## _base<_ELEM> \ { \ public: \ explicit \ _NAME(size_t __refs = 0) \ : __ ## _NAME ## _base<_ELEM>(std::min(_Maxcode, 0x10fffful), \ _Mode, __refs) \ { } \ } template class __codecvt_utf8_base; template class __codecvt_utf16_base; template class __codecvt_utf8_utf16_base; _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8, char16_t); _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf16, char16_t); _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8_utf16, char16_t); _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8, char32_t); _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf16, char32_t); _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8_utf16, char32_t); #ifdef _GLIBCXX_USE_WCHAR_T _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8, wchar_t); _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf16, wchar_t); _GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8_utf16, wchar_t); #endif _GLIBCXX_END_NAMESPACE_VERSION } // namespace #endif // C++11 #endif /* _GLIBCXX_CODECVT */