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jeremybenn |
// Locale support -*- C++ -*-
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// Copyright (C) 1997, 1998, 1999, 2007, 2009 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 3, 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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// Under Section 7 of GPL version 3, you are granted additional
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// permissions described in the GCC Runtime Library Exception, version
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// 3.1, as published by the Free Software Foundation.
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// You should have received a copy of the GNU General Public License and
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// a copy of the GCC Runtime Library Exception along with this program;
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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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//
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// ISO C++ 14882: 22.1 Locales
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//
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// We don't use the C-locale masks defined in mingw/include/ctype.h
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// because those masks do not conform to the requirements of 22.2.1.
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// In particular, a separate 'print' bitmask does not exist (isprint(c)
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// relies on a combination of flags) and the '_ALPHA' mask is also a
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// combination of simple bitmasks. Thus, we define libstdc++-specific
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// masks here, based on the generic masks, and the corresponding
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// classic_table in ctype_noninline.h.
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_GLIBCXX_BEGIN_NAMESPACE(std)
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/// @brief Base class for ctype.
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struct ctype_base
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{
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// Non-standard typedefs.
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typedef const int* __to_type;
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// NB: Offsets into ctype<char>::_M_table force a particular size
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// on the mask type. Because of this, we don't use an enum.
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typedef unsigned short mask;
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static const mask upper = 1 << 0;
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static const mask lower = 1 << 1;
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static const mask alpha = 1 << 2;
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static const mask digit = 1 << 3;
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static const mask xdigit = 1 << 4;
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static const mask space = 1 << 5;
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static const mask print = 1 << 6;
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static const mask graph = (1 << 2) | (1 << 3) | (1 << 9); // alnum|punct
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static const mask cntrl = 1 << 8;
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static const mask punct = 1 << 9;
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static const mask alnum = (1 << 2) | (1 << 3); // alpha|digit
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};
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_GLIBCXX_END_NAMESPACE
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