205 lines
6.5 KiB
C++
205 lines
6.5 KiB
C++
// Wrapper for underlying C-language localization -*- C++ -*-
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// Copyright (C) 2001 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 2, 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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// You should have received a copy of the GNU General Public License along
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// with this library; see the file COPYING. If not, write to the Free
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// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
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// USA.
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// As a special exception, you may use this file as part of a free software
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// library without restriction. Specifically, if other files instantiate
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// templates or use macros or inline functions from this file, or you compile
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// this file and link it with other files to produce an executable, this
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// file does not by itself cause the resulting executable to be covered by
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// the GNU General Public License. This exception does not however
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// invalidate any other reasons why the executable file might be covered by
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// the GNU General Public License.
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//
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// ISO C++ 14882: 22.8 Standard locale categories.
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//
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// Written by Benjamin Kosnik <bkoz@redhat.com>
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#include <locale>
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#include <stdexcept>
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#include <langinfo.h>
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namespace std
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{
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void
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locale::facet::_S_create_c_locale(__c_locale& __cloc, const char* __s)
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{
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// XXX
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// perhaps locale::categories could be made equivalent to LC_*_MASK
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// _M_c_locale = __newlocale(1 << LC_ALL, __str.c_str(), NULL);
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// _M_c_locale = __newlocale(locale::all, __str.c_str(), NULL);
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__cloc = __newlocale(LC_ALL, __s, NULL);
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if (!__cloc)
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{
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// This named locale is not supported by the underlying OS.
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throw runtime_error("attempt to create locale from unknown name");
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}
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}
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void
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locale::facet::_S_destroy_c_locale(__c_locale& __cloc)
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{
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if (__cloc)
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__freelocale(__cloc);
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}
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template<>
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void
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numpunct<char>::_M_initialize_numpunct(__c_locale __cloc)
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{
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if (!__cloc)
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{
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// "C" locale
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_M_decimal_point = '.';
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_M_thousands_sep = ',';
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_M_grouping = "";
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}
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else
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{
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// Named locale.
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_M_decimal_point = *(__nl_langinfo_l(RADIXCHAR, __cloc));
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_M_thousands_sep = *(__nl_langinfo_l(THOUSEP, __cloc));
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_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
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}
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// NB: There is no way to extact this info from posix locales.
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// _M_truename = __nl_langinfo_l(YESSTR, __cloc);
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_M_truename = "true";
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// _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
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_M_falsename = "false";
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}
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#ifdef _GLIBCPP_USE_WCHAR_T
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template<>
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void
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numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __cloc)
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{
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if (!__cloc)
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{
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// "C" locale
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_M_decimal_point = L'.';
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_M_thousands_sep = L',';
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_M_grouping = "";
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}
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else
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{
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// Named locale.
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_M_decimal_point = reinterpret_cast<wchar_t>(__nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc));
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_M_thousands_sep = reinterpret_cast<wchar_t>(__nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC,__cloc));
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_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
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}
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// NB: There is no way to extact this info from posix locales.
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// _M_truename = __nl_langinfo_l(YESSTR, __cloc);
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_M_truename = L"true";
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// _M_falsename = __nl_langinfo_l(NOSTR, __cloc);
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_M_falsename = L"false";
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}
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#endif
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template<>
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void
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moneypunct<char>::_M_initialize_moneypunct(__c_locale __cloc)
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{
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if (!__cloc)
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{
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// "C" locale
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_M_decimal_point = '.';
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_M_thousands_sep = ',';
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_M_grouping = "";
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_M_curr_symbol = string_type();
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_M_positive_sign = string_type();
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_M_negative_sign = string_type();
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_M_frac_digits = 0;
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_M_pos_format = money_base::_S_default_pattern;
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_M_neg_format = money_base::_S_default_pattern;
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}
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else
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{
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// Named locale.
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_M_decimal_point = *(__nl_langinfo_l(__MON_DECIMAL_POINT, __cloc));
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_M_thousands_sep = *(__nl_langinfo_l(__MON_THOUSANDS_SEP, __cloc));
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_M_grouping = __nl_langinfo_l(__MON_GROUPING, __cloc);
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_M_positive_sign = __nl_langinfo_l(__POSITIVE_SIGN, __cloc);
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_M_negative_sign = __nl_langinfo_l(__NEGATIVE_SIGN, __cloc);
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if (intl)
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{
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_M_curr_symbol = __nl_langinfo_l(__INT_CURR_SYMBOL, __cloc);
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_M_frac_digits = *(__nl_langinfo_l(__INT_FRAC_DIGITS, __cloc));
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char __ppreceeds = *(__nl_langinfo_l(__INT_P_CS_PRECEDES,
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__cloc));
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char __pspace = *(__nl_langinfo_l(__INT_P_SEP_BY_SPACE, __cloc));
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char __pposn = *(__nl_langinfo_l(__INT_P_SIGN_POSN, __cloc));
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_M_pos_format = _S_construct_pattern(__ppreceeds, __pspace,
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__pposn);
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char __npreceeds = *(__nl_langinfo_l(__INT_N_CS_PRECEDES,
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__cloc));
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char __nspace = *(__nl_langinfo_l(__INT_N_SEP_BY_SPACE, __cloc));
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char __nposn = *(__nl_langinfo_l(__INT_N_SIGN_POSN, __cloc));
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_M_neg_format = _S_construct_pattern(__npreceeds, __nspace,
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__nposn);
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}
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else
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{
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_M_curr_symbol = __nl_langinfo_l(__CURRENCY_SYMBOL, __cloc);
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_M_frac_digits = *(__nl_langinfo_l(__FRAC_DIGITS, __cloc));
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char __ppreceeds = *(__nl_langinfo_l(__P_CS_PRECEDES, __cloc));
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char __pspace = *(__nl_langinfo_l(__P_SEP_BY_SPACE, __cloc));
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char __pposn = *(__nl_langinfo_l(__P_SIGN_POSN, __cloc));
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_M_pos_format = _S_construct_pattern(__ppreceeds, __pspace,
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__pposn);
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char __npreceeds = *(__nl_langinfo_l(__N_CS_PRECEDES, __cloc));
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char __nspace = *(__nl_langinfo_l(__N_SEP_BY_SPACE, __cloc));
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char __nposn = *(__nl_langinfo_l(__N_SIGN_POSN, __cloc));
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_M_neg_format = _S_construct_pattern(__npreceeds, __nspace,
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__nposn);
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}
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}
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}
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#ifdef _GLIBCPP_USE_WCHAR_T
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template<>
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void
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moneypunct<wchar_t>::_M_initialize_moneypunct(__c_locale /*__cloc*/)
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{
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// XXX implement
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// "C" locale
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_M_decimal_point = L'.';
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_M_thousands_sep = L',';
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_M_grouping = "";
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_M_curr_symbol = string_type();
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_M_positive_sign = string_type();
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_M_negative_sign = string_type();
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_M_frac_digits = 0;
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_M_pos_format = money_base::_S_default_pattern;
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_M_neg_format = money_base::_S_default_pattern;
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}
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#endif
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} // namespace std
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