160 lines
5.1 KiB
C++
160 lines
5.1 KiB
C++
// Locale support -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2000, 2001, 2002, 2004
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// 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: 22.1 Locales
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//
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// Information as gleaned from /usr/include/ctype.h
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#if _GLIBCXX_C_LOCALE_GNU
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const ctype_base::mask*
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ctype<char>::classic_table() throw()
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{ return _S_get_c_locale()->__ctype_b; }
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#else
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const ctype_base::mask*
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ctype<char>::classic_table() throw()
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{
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const ctype_base::mask* __ret;
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char* __old = strdup(setlocale(LC_CTYPE, NULL));
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setlocale(LC_CTYPE, "C");
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#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
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__ret = *__ctype_b_loc();
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#else
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__ret = __ctype_b;
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#endif
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setlocale(LC_CTYPE, __old);
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free(__old);
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return __ret;
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}
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#endif
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#if _GLIBCXX_C_LOCALE_GNU
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ctype<char>::ctype(__c_locale __cloc, const mask* __table, bool __del,
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size_t __refs)
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: facet(__refs), _M_c_locale_ctype(_S_clone_c_locale(__cloc)),
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_M_del(__table != 0 && __del),
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_M_toupper(_M_c_locale_ctype->__ctype_toupper),
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_M_tolower(_M_c_locale_ctype->__ctype_tolower),
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_M_table(__table ? __table : _M_c_locale_ctype->__ctype_b),
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_M_widen_ok(0), _M_narrow_ok(0)
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{
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memset(_M_widen, 0, sizeof(_M_widen));
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memset(_M_narrow, 0, sizeof(_M_narrow));
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}
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#else
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ctype<char>::ctype(__c_locale, const mask* __table, bool __del,
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size_t __refs)
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: facet(__refs), _M_c_locale_ctype(_S_get_c_locale()),
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_M_del(__table != 0 && __del), _M_widen_ok(0), _M_narrow_ok(0)
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{
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char* __old=strdup(setlocale(LC_CTYPE, NULL));
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setlocale(LC_CTYPE, "C");
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#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
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_M_toupper = *__ctype_toupper_loc();
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_M_tolower = *__ctype_tolower_loc();
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_M_table = __table ? __table : *__ctype_b_loc();
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#else
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_M_toupper = __ctype_toupper;
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_M_tolower = __ctype_tolower;
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_M_table = __table ? __table : __ctype_b;
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#endif
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setlocale(LC_CTYPE, __old);
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free(__old);
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memset(_M_widen, 0, sizeof(_M_widen));
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memset(_M_narrow, 0, sizeof(_M_narrow));
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}
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#endif
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#if _GLIBCXX_C_LOCALE_GNU
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ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
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: facet(__refs), _M_c_locale_ctype(_S_get_c_locale()),
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_M_del(__table != 0 && __del),
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_M_toupper(_M_c_locale_ctype->__ctype_toupper),
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_M_tolower(_M_c_locale_ctype->__ctype_tolower),
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_M_table(__table ? __table : _M_c_locale_ctype->__ctype_b),
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_M_widen_ok(0), _M_narrow_ok(0)
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{
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memset(_M_widen, 0, sizeof(_M_widen));
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memset(_M_narrow, 0, sizeof(_M_narrow));
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}
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#else
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ctype<char>::ctype(const mask* __table, bool __del, size_t __refs)
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: facet(__refs), _M_c_locale_ctype(_S_get_c_locale()),
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_M_del(__table != 0 && __del), _M_widen_ok(0), _M_narrow_ok(0)
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{
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char* __old=strdup(setlocale(LC_CTYPE, NULL));
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setlocale(LC_CTYPE, "C");
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#if __GLIBC__ > 2 || (__GLIBC__ == 2 && __GLIBC_MINOR__ > 2)
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_M_toupper = *__ctype_toupper_loc();
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_M_tolower = *__ctype_tolower_loc();
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_M_table = __table ? __table : *__ctype_b_loc();
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#else
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_M_toupper = __ctype_toupper;
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_M_tolower = __ctype_tolower;
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_M_table = __table ? __table : __ctype_b;
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#endif
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setlocale(LC_CTYPE, __old);
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free(__old);
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memset(_M_widen, 0, sizeof(_M_widen));
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memset(_M_narrow, 0, sizeof(_M_narrow));
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}
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#endif
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char
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ctype<char>::do_toupper(char __c) const
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{ return _M_toupper[static_cast<unsigned char>(__c)]; }
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const char*
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ctype<char>::do_toupper(char* __low, const char* __high) const
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{
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while (__low < __high)
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{
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*__low = _M_toupper[static_cast<unsigned char>(*__low)];
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++__low;
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}
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return __high;
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}
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char
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ctype<char>::do_tolower(char __c) const
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{ return _M_tolower[static_cast<unsigned char>(__c)]; }
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const char*
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ctype<char>::do_tolower(char* __low, const char* __high) const
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{
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while (__low < __high)
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{
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*__low = _M_tolower[static_cast<unsigned char>(*__low)];
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++__low;
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}
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return __high;
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}
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