// std::numpunct implementation details, DragonFly version -*- C++ -*-
// Copyright (C) 2015-2020 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
// .
//
// ISO C++ 14882: 22.2.3.1.2 numpunct virtual functions
//
// Written by Benjamin Kosnik
// Modified for DragonFly by John Marino
#include
#include
#include "xlocale_port.h"
namespace std _GLIBCXX_VISIBILITY(default)
{
_GLIBCXX_BEGIN_NAMESPACE_VERSION
template<>
void
numpunct::_M_initialize_numpunct(__c_locale __cloc)
{
if (!_M_data)
_M_data = new __numpunct_cache;
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::~numpunct()
{
if (_M_data->_M_grouping_size)
delete [] _M_data->_M_grouping;
delete _M_data;
}
#ifdef _GLIBCXX_USE_WCHAR_T
template<>
void
numpunct::_M_initialize_numpunct(__c_locale __cloc)
{
if (!_M_data)
_M_data = new __numpunct_cache;
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(__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(__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::~numpunct()
{
if (_M_data->_M_grouping_size)
delete [] _M_data->_M_grouping;
delete _M_data;
}
#endif
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace