| // Copyright (C) 2000-2015 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 |
| // <http://www.gnu.org/licenses/>. |
| |
| // Written by Benjamin Kosnik <bkoz@redhat.com> |
| |
| #include <locale> |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| // Definitions for locale::id of standard facets that are specialized. |
| locale::id codecvt<char, char, mbstate_t>::id; |
| |
| #ifdef _GLIBCXX_USE_WCHAR_T |
| locale::id codecvt<wchar_t, char, mbstate_t>::id; |
| #endif |
| |
| codecvt<char, char, mbstate_t>:: |
| codecvt(size_t __refs) |
| : __codecvt_abstract_base<char, char, mbstate_t>(__refs), |
| _M_c_locale_codecvt(_S_get_c_locale()) |
| { } |
| |
| codecvt<char, char, mbstate_t>:: |
| codecvt(__c_locale __cloc, size_t __refs) |
| : __codecvt_abstract_base<char, char, mbstate_t>(__refs), |
| _M_c_locale_codecvt(_S_clone_c_locale(__cloc)) |
| { } |
| |
| codecvt<char, char, mbstate_t>:: |
| ~codecvt() |
| { _S_destroy_c_locale(_M_c_locale_codecvt); } |
| |
| codecvt_base::result |
| codecvt<char, char, mbstate_t>:: |
| do_out(state_type&, const intern_type* __from, |
| const intern_type*, const intern_type*& __from_next, |
| extern_type* __to, extern_type*, |
| extern_type*& __to_next) const |
| { |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // According to the resolution of DR19, "If returns noconv [...] |
| // there are no changes to the values in [to, to_limit)." |
| __from_next = __from; |
| __to_next = __to; |
| return noconv; |
| } |
| |
| codecvt_base::result |
| codecvt<char, char, mbstate_t>:: |
| do_unshift(state_type&, extern_type* __to, |
| extern_type*, extern_type*& __to_next) const |
| { |
| __to_next = __to; |
| return noconv; |
| } |
| |
| codecvt_base::result |
| codecvt<char, char, mbstate_t>:: |
| do_in(state_type&, const extern_type* __from, |
| const extern_type*, const extern_type*& __from_next, |
| intern_type* __to, intern_type*, intern_type*& __to_next) const |
| { |
| // _GLIBCXX_RESOLVE_LIB_DEFECTS |
| // According to the resolution of DR19, "If returns noconv [...] |
| // there are no changes to the values in [to, to_limit)." |
| __from_next = __from; |
| __to_next = __to; |
| return noconv; |
| } |
| |
| int |
| codecvt<char, char, mbstate_t>:: |
| do_encoding() const throw() |
| { return 1; } |
| |
| bool |
| codecvt<char, char, mbstate_t>:: |
| do_always_noconv() const throw() |
| { return true; } |
| |
| int |
| codecvt<char, char, mbstate_t>:: |
| do_length (state_type&, const extern_type* __from, |
| const extern_type* __end, size_t __max) const |
| { |
| size_t __d = static_cast<size_t>(__end - __from); |
| return std::min(__max, __d); |
| } |
| |
| int |
| codecvt<char, char, mbstate_t>:: |
| do_max_length() const throw() |
| { return 1; } |
| |
| #ifdef _GLIBCXX_USE_WCHAR_T |
| // codecvt<wchar_t, char, mbstate_t> required specialization |
| codecvt<wchar_t, char, mbstate_t>:: |
| codecvt(size_t __refs) |
| : __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs), |
| _M_c_locale_codecvt(_S_get_c_locale()) |
| { } |
| |
| codecvt<wchar_t, char, mbstate_t>:: |
| codecvt(__c_locale __cloc, size_t __refs) |
| : __codecvt_abstract_base<wchar_t, char, mbstate_t>(__refs), |
| _M_c_locale_codecvt(_S_clone_c_locale(__cloc)) |
| { } |
| |
| codecvt<wchar_t, char, mbstate_t>:: |
| ~codecvt() |
| { _S_destroy_c_locale(_M_c_locale_codecvt); } |
| |
| codecvt_base::result |
| codecvt<wchar_t, char, mbstate_t>:: |
| do_unshift(state_type&, extern_type* __to, |
| extern_type*, extern_type*& __to_next) const |
| { |
| // XXX Probably wrong for stateful encodings |
| __to_next = __to; |
| return noconv; |
| } |
| |
| bool |
| codecvt<wchar_t, char, mbstate_t>:: |
| do_always_noconv() const throw() |
| { return false; } |
| #endif // _GLIBCXX_USE_WCHAR_T |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |