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// <codecvt> -*- C++ -*- |
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// Copyright (C) 2015-2021 Free Software Foundation, Inc. |
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// |
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// This file is part of the GNU ISO C++ Library. This library is free |
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// software; you can redistribute it and/or modify it under the |
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// terms of the GNU General Public License as published by the |
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// Free Software Foundation; either version 3, or (at your option) |
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// any later version. |
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// This library is distributed in the hope that it will be useful, |
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// but WITHOUT ANY WARRANTY; without even the implied warranty of |
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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// GNU General Public License for more details. |
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|
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// Under Section 7 of GPL version 3, you are granted additional |
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// permissions described in the GCC Runtime Library Exception, version |
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// 3.1, as published by the Free Software Foundation. |
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// You should have received a copy of the GNU General Public License and |
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// a copy of the GCC Runtime Library Exception along with this program; |
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see |
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// <http://www.gnu.org/licenses/>. |
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|
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// ISO C++ 14882: 22.5 Standard code conversion facets |
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|
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/** @file include/codecvt |
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* This is a Standard C++ Library header. |
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*/ |
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|
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#ifndef _GLIBCXX_CODECVT |
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#define _GLIBCXX_CODECVT 1 |
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|
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#pragma GCC system_header |
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#if __cplusplus < 201103L |
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# include <bits/c++0x_warning.h> |
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#else |
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#include <bits/locale_classes.h> |
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#include <bits/codecvt.h> |
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|
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namespace std _GLIBCXX_VISIBILITY(default) |
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{ |
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_GLIBCXX_BEGIN_NAMESPACE_VERSION |
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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<typename _Elem, unsigned long _Maxcode = 0x10ffff, |
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codecvt_mode _Mode = (codecvt_mode)0> |
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class codecvt_utf8 : public codecvt<_Elem, char, mbstate_t> |
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{ |
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public: |
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explicit |
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codecvt_utf8(size_t __refs = 0); |
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|
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~codecvt_utf8(); |
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}; |
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|
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template<typename _Elem, unsigned long _Maxcode = 0x10ffff, |
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codecvt_mode _Mode = (codecvt_mode)0> |
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class codecvt_utf16 : public codecvt<_Elem, char, mbstate_t> |
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{ |
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public: |
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explicit |
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codecvt_utf16(size_t __refs = 0); |
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|
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~codecvt_utf16(); |
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}; |
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|
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template<typename _Elem, unsigned long _Maxcode = 0x10ffff, |
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codecvt_mode _Mode = (codecvt_mode)0> |
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class codecvt_utf8_utf16 : public codecvt<_Elem, char, mbstate_t> |
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{ |
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public: |
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explicit |
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codecvt_utf8_utf16(size_t __refs = 0); |
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|
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~codecvt_utf8_utf16(); |
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}; |
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|
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#define _GLIBCXX_CODECVT_SPECIALIZATION2(_NAME, _ELEM) \ |
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template<> \ |
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class _NAME<_ELEM> \ |
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: public codecvt<_ELEM, char, mbstate_t> \ |
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{ \ |
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public: \ |
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typedef _ELEM 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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protected: \ |
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_NAME(unsigned long __maxcode, codecvt_mode __mode, size_t __refs) \ |
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: codecvt(__refs), _M_maxcode(__maxcode), _M_mode(__mode) { } \ |
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\ |
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virtual \ |
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~_NAME(); \ |
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\ |
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virtual result \ |
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do_out(state_type& __state, const intern_type* __from, \ |
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const intern_type* __from_end, const intern_type*& __from_next, \ |
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extern_type* __to, extern_type* __to_end, \ |
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extern_type*& __to_next) const; \ |
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\ |
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virtual result \ |
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do_unshift(state_type& __state, \ |
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extern_type* __to, extern_type* __to_end, \ |
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extern_type*& __to_next) const; \ |
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\ |
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virtual result \ |
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do_in(state_type& __state, \ |
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const extern_type* __from, const extern_type* __from_end, \ |
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const extern_type*& __from_next, \ |
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intern_type* __to, intern_type* __to_end, \ |
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intern_type*& __to_next) const; \ |
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\ |
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virtual \ |
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int do_encoding() const throw(); \ |
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\ |
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virtual \ |
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bool do_always_noconv() const throw(); \ |
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\ |
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virtual \ |
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int do_length(state_type&, const extern_type* __from, \ |
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const extern_type* __end, size_t __max) const; \ |
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\ |
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virtual int \ |
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do_max_length() const throw(); \ |
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\ |
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private: \ |
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unsigned long _M_maxcode; \ |
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codecvt_mode _M_mode; \ |
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} |
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|
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#define _GLIBCXX_CODECVT_SPECIALIZATION(_NAME, _ELEM) \ |
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_GLIBCXX_CODECVT_SPECIALIZATION2(__ ## _NAME ## _base, _ELEM); \ |
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template<unsigned long _Maxcode, codecvt_mode _Mode> \ |
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class _NAME<_ELEM, _Maxcode, _Mode> \ |
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: public __ ## _NAME ## _base<_ELEM> \ |
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{ \ |
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public: \ |
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explicit \ |
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_NAME(size_t __refs = 0) \ |
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: __ ## _NAME ## _base<_ELEM>(std::min(_Maxcode, 0x10fffful), \ |
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_Mode, __refs) \ |
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{ } \ |
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} |
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|
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template<typename _Elem> class __codecvt_utf8_base; |
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template<typename _Elem> class __codecvt_utf16_base; |
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template<typename _Elem> class __codecvt_utf8_utf16_base; |
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|
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8, char16_t); |
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf16, char16_t); |
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8_utf16, char16_t); |
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|
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8, char32_t); |
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf16, char32_t); |
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8_utf16, char32_t); |
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|
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#ifdef _GLIBCXX_USE_WCHAR_T |
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8, wchar_t); |
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf16, wchar_t); |
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_GLIBCXX_CODECVT_SPECIALIZATION(codecvt_utf8_utf16, wchar_t); |
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#endif |
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|
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_GLIBCXX_END_NAMESPACE_VERSION |
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} // namespace |
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#endif // C++11 |
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#endif /* _GLIBCXX_CODECVT */ |
