diff options
Diffstat (limited to 'libstdc++-v3/config/locale/gnu/numeric_members.cc')
| -rw-r--r-- | libstdc++-v3/config/locale/gnu/numeric_members.cc | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/libstdc++-v3/config/locale/gnu/numeric_members.cc b/libstdc++-v3/config/locale/gnu/numeric_members.cc new file mode 100644 index 000000000..934511acb --- /dev/null +++ b/libstdc++-v3/config/locale/gnu/numeric_members.cc @@ -0,0 +1,218 @@ +// std::numpunct implementation details, GNU version -*- C++ -*- + +// Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 +// 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> + +#include <locale> +#include <bits/c++locale_internal.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. + _M_data->_M_decimal_point = *(__nl_langinfo_l(DECIMAL_POINT, + __cloc)); + _M_data->_M_thousands_sep = *(__nl_langinfo_l(THOUSANDS_SEP, + __cloc)); + + // Check for NULL, which implies no grouping. + if (_M_data->_M_thousands_sep == '\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 + { + const char* __src = __nl_langinfo_l(GROUPING, __cloc); + 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 = "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. + // NB: In the GNU model wchar_t is always 32 bit wide. + union { char *__s; wchar_t __w; } __u; + __u.__s = __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc); + _M_data->_M_decimal_point = __u.__w; + + __u.__s = __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc); + _M_data->_M_thousands_sep = __u.__w; + + // Check for NULL, which implies no grouping. + if (_M_data->_M_thousands_sep == L'\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 + { + const char* __src = __nl_langinfo_l(GROUPING, __cloc); + 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 |