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// std::moneypunct implementation details, GNU version -*- C++ -*-
// Copyright (C) 2001 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 2, 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.
// You should have received a copy of the GNU General Public License along
// with this library; see the file COPYING. If not, write to the Free
// Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307,
// USA.
// As a special exception, you may use this file as part of a free software
// library without restriction. Specifically, if other files instantiate
// templates or use macros or inline functions from this file, or you compile
// this file and link it with other files to produce an executable, this
// file does not by itself cause the resulting executable to be covered by
// the GNU General Public License. This exception does not however
// invalidate any other reasons why the executable file might be covered by
// the GNU General Public License.
//
// ISO C++ 14882: 22.2.6.3.2 moneypunct virtual functions
//
// Written by Benjamin Kosnik <bkoz@redhat.com>
#include <locale>
namespace std
{
// Construct and return valid pattern consisting of some combination of:
// space none symbol sign value
money_base::pattern
money_base::_S_construct_pattern(char __precedes, char __space, char __posn)
{
pattern __ret;
// This insanely complicated routine attempts to construct a valid
// pattern for use with monyepunct. A couple of invariants:
// if (__precedes) symbol -> value
// else value -> symbol
// if (__space) space
// else none
// none == never first
// space never first or last
// Any elegant implementations of this are welcome.
switch (__posn)
{
case 0:
case 1:
// 1 The sign precedes the value and symbol.
if (__space)
{
// Pattern starts with sign.
if (__precedes)
{
__ret.field[1] = symbol;
__ret.field[2] = space;
__ret.field[3] = value;
}
else
{
__ret.field[1] = value;
__ret.field[2] = space;
__ret.field[3] = symbol;
}
__ret.field[0] = sign;
}
else
{
// Pattern starts with sign and ends with none.
if (__precedes)
{
__ret.field[1] = symbol;
__ret.field[2] = value;
}
else
{
__ret.field[1] = value;
__ret.field[2] = symbol;
}
__ret.field[0] = sign;
__ret.field[3] = none;
}
break;
case 2:
// 2 The sign follows the value and symbol.
if (__space)
{
// Pattern either ends with sign.
if (__precedes)
{
__ret.field[0] = symbol;
__ret.field[1] = space;
__ret.field[2] = value;
}
else
{
__ret.field[0] = value;
__ret.field[1] = space;
__ret.field[2] = symbol;
}
__ret.field[3] = sign;
}
else
{
// Pattern ends with sign then none.
if (__precedes)
{
__ret.field[0] = symbol;
__ret.field[1] = value;
}
else
{
__ret.field[0] = value;
__ret.field[1] = symbol;
}
__ret.field[2] = sign;
__ret.field[3] = none;
}
break;
case 3:
// 3 The sign immediately precedes the symbol.
if (__space)
{
// Have space.
if (__precedes)
{
__ret.field[0] = sign;
__ret.field[1] = symbol;
__ret.field[2] = space;
__ret.field[3] = value;
}
else
{
__ret.field[0] = value;
__ret.field[1] = space;
__ret.field[2] = sign;
__ret.field[3] = symbol;
}
}
else
{
// Have none.
if (__precedes)
{
__ret.field[0] = sign;
__ret.field[1] = symbol;
__ret.field[2] = value;
}
else
{
__ret.field[0] = value;
__ret.field[1] = sign;
__ret.field[2] = symbol;
}
__ret.field[3] = none;
}
break;
case 4:
// 4 The sign immediately follows the symbol.
if (__space)
{
// Have space.
if (__precedes)
{
__ret.field[0] = symbol;
__ret.field[1] = sign;
__ret.field[2] = space;
__ret.field[3] = value;
}
else
{
__ret.field[0] = value;
__ret.field[1] = space;
__ret.field[2] = symbol;
__ret.field[3] = sign;
}
}
else
{
// Have none.
if (__precedes)
{
__ret.field[0] = symbol;
__ret.field[1] = sign;
__ret.field[2] = value;
}
else
{
__ret.field[0] = value;
__ret.field[1] = symbol;
__ret.field[2] = sign;
}
__ret.field[3] = none;
}
break;
default:
;
}
return __ret;
}
template<>
void
moneypunct<char, true>::_M_initialize_moneypunct(__c_locale __cloc)
{
if (!__cloc)
{
// "C" locale
_M_decimal_point = '.';
_M_thousands_sep = ',';
_M_grouping = "";
_M_curr_symbol = string_type();
_M_positive_sign = string_type();
_M_negative_sign = string_type();
_M_frac_digits = 0;
_M_pos_format = money_base::_S_default_pattern;
_M_neg_format = money_base::_S_default_pattern;
}
else
{
// Named locale.
_M_decimal_point = *(__nl_langinfo_l(__MON_DECIMAL_POINT, __cloc));
_M_thousands_sep = *(__nl_langinfo_l(__MON_THOUSANDS_SEP, __cloc));
_M_grouping = __nl_langinfo_l(__MON_GROUPING, __cloc);
_M_positive_sign = __nl_langinfo_l(__POSITIVE_SIGN, __cloc);
_M_negative_sign = __nl_langinfo_l(__NEGATIVE_SIGN, __cloc);
// _Intl == true
_M_curr_symbol = __nl_langinfo_l(__INT_CURR_SYMBOL, __cloc);
_M_frac_digits = *(__nl_langinfo_l(__INT_FRAC_DIGITS, __cloc));
char __pprecedes = *(__nl_langinfo_l(__INT_P_CS_PRECEDES, __cloc));
char __pspace = *(__nl_langinfo_l(__INT_P_SEP_BY_SPACE, __cloc));
char __pposn = *(__nl_langinfo_l(__INT_P_SIGN_POSN, __cloc));
_M_pos_format = _S_construct_pattern(__pprecedes, __pspace, __pposn);
char __nprecedes = *(__nl_langinfo_l(__INT_N_CS_PRECEDES, __cloc));
char __nspace = *(__nl_langinfo_l(__INT_N_SEP_BY_SPACE, __cloc));
char __nposn = *(__nl_langinfo_l(__INT_N_SIGN_POSN, __cloc));
if (!__nposn)
_M_negative_sign = "()";
_M_neg_format = _S_construct_pattern(__nprecedes, __nspace, __nposn);
}
}
template<>
void
moneypunct<char, false>::_M_initialize_moneypunct(__c_locale __cloc)
{
if (!__cloc)
{
// "C" locale
_M_decimal_point = '.';
_M_thousands_sep = ',';
_M_grouping = "";
_M_curr_symbol = string_type();
_M_positive_sign = string_type();
_M_negative_sign = string_type();
_M_frac_digits = 0;
_M_pos_format = money_base::_S_default_pattern;
_M_neg_format = money_base::_S_default_pattern;
}
else
{
// Named locale.
_M_decimal_point = *(__nl_langinfo_l(__MON_DECIMAL_POINT, __cloc));
_M_thousands_sep = *(__nl_langinfo_l(__MON_THOUSANDS_SEP, __cloc));
_M_grouping = __nl_langinfo_l(__MON_GROUPING, __cloc);
_M_positive_sign = __nl_langinfo_l(__POSITIVE_SIGN, __cloc);
_M_negative_sign = __nl_langinfo_l(__NEGATIVE_SIGN, __cloc);
// _Intl == false
_M_curr_symbol = __nl_langinfo_l(__CURRENCY_SYMBOL, __cloc);
_M_frac_digits = *(__nl_langinfo_l(__FRAC_DIGITS, __cloc));
char __pprecedes = *(__nl_langinfo_l(__P_CS_PRECEDES, __cloc));
char __pspace = *(__nl_langinfo_l(__P_SEP_BY_SPACE, __cloc));
char __pposn = *(__nl_langinfo_l(__P_SIGN_POSN, __cloc));
_M_pos_format = _S_construct_pattern(__pprecedes, __pspace, __pposn);
char __nprecedes = *(__nl_langinfo_l(__N_CS_PRECEDES, __cloc));
char __nspace = *(__nl_langinfo_l(__N_SEP_BY_SPACE, __cloc));
char __nposn = *(__nl_langinfo_l(__N_SIGN_POSN, __cloc));
if (!__nposn)
_M_negative_sign = "()";
_M_neg_format = _S_construct_pattern(__nprecedes, __nspace, __nposn);
}
}
#ifdef _GLIBCPP_USE_WCHAR_T
template<>
void
moneypunct<wchar_t, true>::_M_initialize_moneypunct(__c_locale __cloc)
{
if (!__cloc)
{
// "C" locale
_M_decimal_point = L'.';
_M_thousands_sep = L',';
_M_grouping = "";
_M_curr_symbol = string_type();
_M_positive_sign = string_type();
_M_negative_sign = string_type();
_M_frac_digits = 0;
_M_pos_format = money_base::_S_default_pattern;
_M_neg_format = money_base::_S_default_pattern;
}
else
{
// Named locale.
_M_decimal_point = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc)}).__w);
_M_thousands_sep = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc)}).__w);
_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
mbstate_t __state;
const char* __cs;
string __cpossign = __nl_langinfo_l(__POSITIVE_SIGN, __cloc);
string __cnegsign = __nl_langinfo_l(__NEGATIVE_SIGN, __cloc);
string __ccurr = __nl_langinfo_l(__INT_CURR_SYMBOL, __cloc);
string::size_type __len = max(__cpossign.size(), __cnegsign.size());
__len = max(__len, __ccurr.size()) + 1;
wchar_t* __ws = static_cast<wchar_t*>(__builtin_alloca(sizeof(wchar_t) * __len));
// NB: Should swich to __cloc's ctype info first.
if (__cpossign.size())
{
memset(&__state, 0, sizeof(mbstate_t));
__cs = __cpossign.c_str();
mbsrtowcs(__ws, &__cs, __cpossign.size() + 1, &__state);
_M_positive_sign = string_type(__ws);
}
else
_M_positive_sign = string_type();
if (__cnegsign.size())
{
memset(&__state, 0, sizeof(mbstate_t));
__cs = __cnegsign.c_str();
mbsrtowcs(__ws, &__cs, __cnegsign.size() + 1, &__state);
_M_negative_sign = string_type(__ws);
}
else
_M_negative_sign = string_type();
// _Intl == true.
if (__ccurr.size())
{
memset(&__state, 0, sizeof(mbstate_t));
__cs = __ccurr.c_str();
mbsrtowcs(__ws, &__cs, __ccurr.size() + 1, &__state);
_M_curr_symbol = string_type(__ws);
}
else
_M_curr_symbol = string_type();
_M_frac_digits = *(__nl_langinfo_l(__INT_FRAC_DIGITS, __cloc));
char __pprecedes = *(__nl_langinfo_l(__INT_P_CS_PRECEDES, __cloc));
char __pspace = *(__nl_langinfo_l(__INT_P_SEP_BY_SPACE, __cloc));
char __pposn = *(__nl_langinfo_l(__INT_P_SIGN_POSN, __cloc));
_M_pos_format = _S_construct_pattern(__pprecedes, __pspace, __pposn);
char __nprecedes = *(__nl_langinfo_l(__INT_N_CS_PRECEDES, __cloc));
char __nspace = *(__nl_langinfo_l(__INT_N_SEP_BY_SPACE, __cloc));
char __nposn = *(__nl_langinfo_l(__INT_N_SIGN_POSN, __cloc));
if (!__nposn)
_M_negative_sign = L"()";
_M_neg_format = _S_construct_pattern(__nprecedes, __nspace, __nposn);
}
}
template<>
void
moneypunct<wchar_t, false>::_M_initialize_moneypunct(__c_locale __cloc)
{
if (!__cloc)
{
// "C" locale
_M_decimal_point = L'.';
_M_thousands_sep = L',';
_M_grouping = "";
_M_curr_symbol = string_type();
_M_positive_sign = string_type();
_M_negative_sign = string_type();
_M_frac_digits = 0;
_M_pos_format = money_base::_S_default_pattern;
_M_neg_format = money_base::_S_default_pattern;
}
else
{
// Named locale.
_M_decimal_point = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_DECIMAL_POINT_WC, __cloc)}).__w);
_M_thousands_sep = static_cast<wchar_t>(((union { const char *__s; unsigned int __w; }){ __s: __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc)}).__w);
_M_grouping = __nl_langinfo_l(GROUPING, __cloc);
mbstate_t __state;
const char* __cs;
string __cpossign = __nl_langinfo_l(__POSITIVE_SIGN, __cloc);
string __cnegsign = __nl_langinfo_l(__NEGATIVE_SIGN, __cloc);
string __ccurr = __nl_langinfo_l(__CURRENCY_SYMBOL, __cloc);
string::size_type __len = max(__cpossign.size(), __cnegsign.size());
__len = max(__len, __ccurr.size()) + 1;
wchar_t* __ws = static_cast<wchar_t*>(__builtin_alloca(sizeof(wchar_t) * __len));
// NB: Should swich to __cloc's ctype info first.
if (__cpossign.size())
{
memset(&__state, 0, sizeof(mbstate_t));
__cs = __cpossign.c_str();
mbsrtowcs(__ws, &__cs, __cpossign.size() + 1, &__state);
_M_positive_sign = string_type(__ws);
}
else
_M_positive_sign = string_type();
if (__cnegsign.size())
{
memset(&__state, 0, sizeof(mbstate_t));
__cs = __cnegsign.c_str();
mbsrtowcs(__ws, &__cs, __cnegsign.size() + 1, &__state);
_M_negative_sign = string_type(__ws);
}
else
_M_negative_sign = string_type();
// _Intl == false.
if (__ccurr.size())
{
memset(&__state, 0, sizeof(mbstate_t));
__cs = __ccurr.c_str();
mbsrtowcs(__ws, &__cs, __ccurr.size() + 1, &__state);
_M_curr_symbol = string_type(__ws);
}
else
_M_curr_symbol = string_type();
_M_frac_digits = *(__nl_langinfo_l(__FRAC_DIGITS, __cloc));
char __pprecedes = *(__nl_langinfo_l(__P_CS_PRECEDES, __cloc));
char __pspace = *(__nl_langinfo_l(__P_SEP_BY_SPACE, __cloc));
char __pposn = *(__nl_langinfo_l(__P_SIGN_POSN, __cloc));
_M_pos_format = _S_construct_pattern(__pprecedes, __pspace, __pposn);
char __nprecedes = *(__nl_langinfo_l(__N_CS_PRECEDES, __cloc));
char __nspace = *(__nl_langinfo_l(__N_SEP_BY_SPACE, __cloc));
char __nposn = *(__nl_langinfo_l(__N_SIGN_POSN, __cloc));
if (!__nposn)
_M_negative_sign = L"()";
_M_neg_format = _S_construct_pattern(__nprecedes, __nspace, __nposn);
}
}
#endif
}
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