| // std::numpunct implementation details, DragonFly version -*- 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 |
| // <http://www.gnu.org/licenses/>. |
| |
| // |
| // ISO C++ 14882: 22.2.3.1.2 numpunct virtual functions |
| // |
| |
| // Written by Benjamin Kosnik <bkoz@redhat.com> |
| // Modified for DragonFly by John Marino <gnugcc@marino.st> |
| |
| #include <locale> |
| #include <cstring> |
| #include <xlocale.h> |
| |
| namespace std _GLIBCXX_VISIBILITY(default) |
| { |
| _GLIBCXX_BEGIN_NAMESPACE_VERSION |
| |
| template<> |
| void |
| numpunct<char>::_M_initialize_numpunct(__c_locale __cloc) |
| { |
| if (!_M_data) |
| _M_data = new __numpunct_cache<char>; |
| |
| if (!__cloc) |
| { |
| // "C" locale |
| _M_data->_M_grouping = ""; |
| _M_data->_M_grouping_size = 0; |
| _M_data->_M_use_grouping = false; |
| |
| _M_data->_M_decimal_point = '.'; |
| _M_data->_M_thousands_sep = ','; |
| |
| for (size_t __i = 0; __i < __num_base::_S_oend; ++__i) |
| _M_data->_M_atoms_out[__i] = __num_base::_S_atoms_out[__i]; |
| |
| for (size_t __j = 0; __j < __num_base::_S_iend; ++__j) |
| _M_data->_M_atoms_in[__j] = __num_base::_S_atoms_in[__j]; |
| } |
| else |
| { |
| // Named locale. |
| lconv* lc = localeconv_l((locale_t) __cloc); |
| |
| // Decimal point should always be defined, but check null anyway |
| if (lc->decimal_point == NULL) |
| { |
| // Not defined, so use "C" locale default |
| _M_data->_M_decimal_point = '.'; |
| } |
| else |
| { |
| _M_data->_M_decimal_point = lc->decimal_point[0]; |
| } |
| // Check for NULL, which implies no grouping. |
| if (lc->thousands_sep == NULL || lc->thousands_sep[0] == '\0') |
| { |
| // Like in "C" locale. |
| _M_data->_M_grouping = ""; |
| _M_data->_M_grouping_size = 0; |
| _M_data->_M_use_grouping = false; |
| _M_data->_M_thousands_sep = ','; |
| } |
| else |
| { |
| _M_data->_M_thousands_sep = lc->thousands_sep[0]; |
| |
| const char* __src = lc->grouping; |
| const size_t __len = strlen(__src); |
| if (__len) |
| { |
| __try |
| { |
| char* __dst = new char[__len + 1]; |
| memcpy(__dst, __src, __len + 1); |
| _M_data->_M_grouping = __dst; |
| _M_data->_M_use_grouping = true; |
| } |
| __catch(...) |
| { |
| delete _M_data; |
| _M_data = 0; |
| __throw_exception_again; |
| } |
| } |
| else |
| { |
| _M_data->_M_grouping = ""; |
| _M_data->_M_use_grouping = false; |
| } |
| _M_data->_M_grouping_size = __len; |
| } |
| } |
| |
| // NB: There is no way to extact this info from posix locales. |
| // _M_truename = __nl_langinfo_l(YESSTR, __cloc); |
| _M_data->_M_truename = "true"; |
| _M_data->_M_truename_size = 4; |
| // _M_falsename = __nl_langinfo_l(NOSTR, __cloc); |
| _M_data->_M_falsename = "false"; |
| _M_data->_M_falsename_size = 5; |
| } |
| |
| template<> |
| numpunct<char>::~numpunct() |
| { |
| if (_M_data->_M_grouping_size) |
| delete [] _M_data->_M_grouping; |
| delete _M_data; |
| } |
| |
| #ifdef _GLIBCXX_USE_WCHAR_T |
| template<> |
| void |
| numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc) |
| { |
| if (!_M_data) |
| _M_data = new __numpunct_cache<wchar_t>; |
| |
| if (!__cloc) |
| { |
| // "C" locale |
| _M_data->_M_grouping = ""; |
| _M_data->_M_grouping_size = 0; |
| _M_data->_M_use_grouping = false; |
| |
| _M_data->_M_decimal_point = L'.'; |
| _M_data->_M_thousands_sep = L','; |
| |
| // Use ctype::widen code without the facet... |
| for (size_t __i = 0; __i < __num_base::_S_oend; ++__i) |
| _M_data->_M_atoms_out[__i] = |
| static_cast<wchar_t>(__num_base::_S_atoms_out[__i]); |
| |
| for (size_t __j = 0; __j < __num_base::_S_iend; ++__j) |
| _M_data->_M_atoms_in[__j] = |
| static_cast<wchar_t>(__num_base::_S_atoms_in[__j]); |
| } |
| else |
| { |
| // Named locale. |
| lconv* lc = localeconv_l((locale_t) __cloc); |
| |
| // Decimal point should always be defined, but check null anyway |
| if (lc->decimal_point == NULL) |
| { |
| // Not defined, so use "C" locale default |
| _M_data->_M_decimal_point = L'.'; |
| } |
| else |
| { |
| _M_data->_M_decimal_point = (wchar_t)lc->decimal_point[0]; |
| } |
| // Check for NULL, which implies no grouping. |
| if (lc->thousands_sep == NULL || lc->thousands_sep[0] == '\0') |
| { |
| // Like in "C" locale. |
| _M_data->_M_grouping = ""; |
| _M_data->_M_grouping_size = 0; |
| _M_data->_M_use_grouping = false; |
| _M_data->_M_thousands_sep = L','; |
| } |
| else |
| { |
| _M_data->_M_thousands_sep = (wchar_t)lc->thousands_sep[0]; |
| |
| const char* __src = lc->grouping; |
| const size_t __len = strlen(__src); |
| if (__len) |
| { |
| __try |
| { |
| char* __dst = new char[__len + 1]; |
| memcpy(__dst, __src, __len + 1); |
| _M_data->_M_grouping = __dst; |
| } |
| __catch(...) |
| { |
| delete _M_data; |
| _M_data = 0; |
| __throw_exception_again; |
| } |
| } |
| else |
| { |
| _M_data->_M_grouping = ""; |
| _M_data->_M_use_grouping = false; |
| } |
| _M_data->_M_grouping_size = __len; |
| } |
| } |
| |
| // NB: There is no way to extact this info from posix locales. |
| // _M_truename = __nl_langinfo_l(YESSTR, __cloc); |
| _M_data->_M_truename = L"true"; |
| _M_data->_M_truename_size = 4; |
| // _M_falsename = __nl_langinfo_l(NOSTR, __cloc); |
| _M_data->_M_falsename = L"false"; |
| _M_data->_M_falsename_size = 5; |
| } |
| |
| template<> |
| numpunct<wchar_t>::~numpunct() |
| { |
| if (_M_data->_M_grouping_size) |
| delete [] _M_data->_M_grouping; |
| delete _M_data; |
| } |
| #endif |
| |
| _GLIBCXX_END_NAMESPACE_VERSION |
| } // namespace |