// std::numpunct implementation details, GNU version -*- C++ -*-
-// Copyright (C) 2001, 2002, 2003, 2004 Free Software Foundation, Inc.
+// Copyright (C) 2001-2020 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 2, or (at your option)
+// 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,
// 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.
+// 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.
-// 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.
+// 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
#include <locale>
#include <bits/c++locale_internal.h>
+#include <iconv.h>
-namespace std
+namespace std _GLIBCXX_VISIBILITY(default)
{
- template<>
+_GLIBCXX_BEGIN_NAMESPACE_VERSION
+
+ extern char __narrow_multibyte_chars(const char* s, __locale_t cloc);
+
+// This file might be compiled twice, but we only want to define this once.
+#if ! _GLIBCXX_USE_CXX11_ABI
+ char
+ __narrow_multibyte_chars(const char* s, __locale_t cloc)
+ {
+ const char* codeset = __nl_langinfo_l(CODESET, cloc);
+ if (!strcmp(codeset, "UTF-8"))
+ {
+ // optimize for some known cases
+ if (!strcmp(s, "\u202F")) // NARROW NO-BREAK SPACE
+ return ' ';
+ if (!strcmp(s, "\u2019")) // RIGHT SINGLE QUOTATION MARK
+ return '\'';
+ if (!strcmp(s, "\u066C")) // ARABIC THOUSANDS SEPARATOR
+ return '\'';
+ }
+
+ iconv_t cd = iconv_open("ASCII//TRANSLIT", codeset);
+ if (cd != (iconv_t)-1)
+ {
+ char c1;
+ size_t inbytesleft = strlen(s);
+ size_t outbytesleft = 1;
+ char* inbuf = const_cast<char*>(s);
+ char* outbuf = &c1;
+ size_t n = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+ iconv_close(cd);
+ if (n != (size_t)-1)
+ {
+ cd = iconv_open(codeset, "ASCII");
+ if (cd != (iconv_t)-1)
+ {
+ char c2;
+ inbuf = &c1;
+ inbytesleft = 1;
+ outbuf = &c2;
+ outbytesleft = 1;
+ n = iconv(cd, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+ iconv_close(cd);
+ if (n != (size_t)-1)
+ return c2;
+ }
+ }
+ }
+ return '\0';
+ }
+#endif
+
+ template<>
void
numpunct<char>::_M_initialize_numpunct(__c_locale __cloc)
{
{
// "C" locale
_M_data->_M_grouping = "";
+ _M_data->_M_grouping_size = 0;
_M_data->_M_use_grouping = false;
_M_data->_M_decimal_point = '.';
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 __i = 0; __i < __num_base::_S_iend; ++__i)
- _M_data->_M_atoms_in[__i] = __num_base::_S_atoms_in[__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(RADIXCHAR, __cloc));
- _M_data->_M_thousands_sep = *(__nl_langinfo_l(THOUSEP, __cloc));
+ _M_data->_M_decimal_point = *(__nl_langinfo_l(DECIMAL_POINT,
+ __cloc));
+ const char* thousands_sep = __nl_langinfo_l(THOUSANDS_SEP, __cloc);
+
+ if (thousands_sep[0] != '\0' && thousands_sep[1] != '\0')
+ _M_data->_M_thousands_sep = __narrow_multibyte_chars(thousands_sep,
+ __cloc);
+ else
+ _M_data->_M_thousands_sep = *thousands_sep;
// Check for NULL, which implies no grouping.
if (_M_data->_M_thousands_sep == '\0')
- _M_data->_M_grouping = "";
+ {
+ // 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_grouping = __nl_langinfo_l(GROUPING, __cloc);
+ {
+ 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<>
+
+ template<>
numpunct<char>::~numpunct()
- { delete _M_data; }
-
+ {
+ if (_M_data->_M_grouping_size)
+ delete [] _M_data->_M_grouping;
+ delete _M_data;
+ }
+
#ifdef _GLIBCXX_USE_WCHAR_T
- template<>
+ template<>
void
numpunct<wchar_t>::_M_initialize_numpunct(__c_locale __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',';
-#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
- __c_locale __old = __uselocale(_S_get_c_locale());
-#endif
// Use ctype::widen code without the facet...
- unsigned char uc;
for (size_t __i = 0; __i < __num_base::_S_oend; ++__i)
- {
- uc = static_cast<unsigned char>(__num_base::_S_atoms_out[__i]);
- _M_data->_M_atoms_out[__i] = btowc(uc);
- }
+ _M_data->_M_atoms_out[__i] =
+ static_cast<wchar_t>(__num_base::_S_atoms_out[__i]);
- for (size_t __i = 0; __i < __num_base::_S_iend; ++__i)
- {
- uc = static_cast<unsigned char>(__num_base::_S_atoms_in[__i]);
- _M_data->_M_atoms_in[__i] = btowc(uc);
- }
-#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
- __uselocale(__old);
-#endif
+ 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.
- union __s_and_w { const char *__s; unsigned int __w; } __u;
+ // 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 = static_cast<wchar_t>(__u.__w);
+ _M_data->_M_decimal_point = __u.__w;
__u.__s = __nl_langinfo_l(_NL_NUMERIC_THOUSANDS_SEP_WC, __cloc);
- _M_data->_M_thousands_sep = static_cast<wchar_t>(__u.__w);
+ _M_data->_M_thousands_sep = __u.__w;
+ // Check for NULL, which implies no grouping.
if (_M_data->_M_thousands_sep == L'\0')
- _M_data->_M_grouping = "";
+ {
+ // 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_grouping = __nl_langinfo_l(GROUPING, __cloc);
+ {
+ 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<>
+ template<>
numpunct<wchar_t>::~numpunct()
- { delete _M_data; }
+ {
+ if (_M_data->_M_grouping_size)
+ delete [] _M_data->_M_grouping;
+ delete _M_data;
+ }
#endif
-}
+
+_GLIBCXX_END_NAMESPACE_VERSION
+} // namespace
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