// Locale support -*- C++ -*-
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// Locale support -*- C++ -*-
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// Copyright (C) 2000, 2003, 2009 Free Software Foundation, Inc.
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// Copyright (C) 2000, 2003, 2009 Free Software Foundation, Inc.
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//
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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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// 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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// 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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// 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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// Free Software Foundation; either version 3, or (at your option)
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// any later version.
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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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// 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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// 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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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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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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// 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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// 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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// 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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// 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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// 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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// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
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// <http://www.gnu.org/licenses/>.
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// <http://www.gnu.org/licenses/>.
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/** @file ctype_inline.h
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/** @file ctype_inline.h
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* This is an internal header file, included by other library headers.
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* This is an internal header file, included by other library headers.
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* You should not attempt to use it directly.
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* You should not attempt to use it directly.
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*/
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*/
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//
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//
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// ISO C++ 14882: 22.1 Locales
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// ISO C++ 14882: 22.1 Locales
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//
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//
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// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
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// ctype bits to be inlined go here. Non-inlinable (ie virtual do_*)
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// functions go in ctype.cc
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// functions go in ctype.cc
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// The following definitions are portable, but insanely slow. If one
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// The following definitions are portable, but insanely slow. If one
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// cares at all about performance, then specialized ctype
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// cares at all about performance, then specialized ctype
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// functionality should be added for the native os in question: see
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// functionality should be added for the native os in question: see
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// the config/os/bits/ctype_*.h files.
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// the config/os/bits/ctype_*.h files.
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// Constructing a synthetic "C" table should be seriously considered...
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// Constructing a synthetic "C" table should be seriously considered...
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_GLIBCXX_BEGIN_NAMESPACE(std)
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_GLIBCXX_BEGIN_NAMESPACE(std)
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bool
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bool
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ctype<char>::
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ctype<char>::
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is(mask __m, char __c) const
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is(mask __m, char __c) const
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{
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{
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if (_M_table)
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if (_M_table)
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return _M_table[static_cast<unsigned char>(__c)] & __m;
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return _M_table[static_cast<unsigned char>(__c)] & __m;
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else
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else
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{
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{
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bool __ret = false;
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bool __ret = false;
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const size_t __bitmasksize = 15;
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const size_t __bitmasksize = 15;
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size_t __bitcur = 0; // Lowest bitmask in ctype_base == 0
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size_t __bitcur = 0; // Lowest bitmask in ctype_base == 0
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for (; __bitcur <= __bitmasksize; ++__bitcur)
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for (; __bitcur <= __bitmasksize; ++__bitcur)
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{
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{
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const mask __bit = static_cast<mask>(1 << __bitcur);
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const mask __bit = static_cast<mask>(1 << __bitcur);
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if (__m & __bit)
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if (__m & __bit)
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{
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{
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bool __testis;
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bool __testis;
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switch (__bit)
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switch (__bit)
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{
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{
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case space:
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case space:
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__testis = isspace(__c);
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__testis = isspace(__c);
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break;
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break;
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case print:
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case print:
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__testis = isprint(__c);
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__testis = isprint(__c);
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break;
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break;
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case cntrl:
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case cntrl:
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__testis = iscntrl(__c);
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__testis = iscntrl(__c);
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break;
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break;
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case upper:
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case upper:
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__testis = isupper(__c);
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__testis = isupper(__c);
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break;
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break;
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case lower:
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case lower:
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__testis = islower(__c);
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__testis = islower(__c);
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break;
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break;
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case alpha:
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case alpha:
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__testis = isalpha(__c);
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__testis = isalpha(__c);
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break;
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break;
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case digit:
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case digit:
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__testis = isdigit(__c);
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__testis = isdigit(__c);
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break;
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break;
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case punct:
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case punct:
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__testis = ispunct(__c);
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__testis = ispunct(__c);
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break;
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break;
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case xdigit:
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case xdigit:
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__testis = isxdigit(__c);
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__testis = isxdigit(__c);
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break;
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break;
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case alnum:
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case alnum:
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__testis = isalnum(__c);
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__testis = isalnum(__c);
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break;
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break;
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case graph:
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case graph:
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__testis = isgraph(__c);
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__testis = isgraph(__c);
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break;
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break;
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default:
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default:
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__testis = false;
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__testis = false;
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break;
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break;
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}
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}
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__ret |= __testis;
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__ret |= __testis;
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}
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}
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}
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}
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return __ret;
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return __ret;
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}
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}
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}
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}
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const char*
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const char*
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ctype<char>::
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ctype<char>::
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is(const char* __low, const char* __high, mask* __vec) const
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is(const char* __low, const char* __high, mask* __vec) const
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{
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{
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if (_M_table)
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if (_M_table)
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while (__low < __high)
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while (__low < __high)
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*__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
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*__vec++ = _M_table[static_cast<unsigned char>(*__low++)];
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else
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else
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{
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{
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// Highest bitmask in ctype_base == 10.
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// Highest bitmask in ctype_base == 10.
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const size_t __bitmasksize = 15;
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const size_t __bitmasksize = 15;
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for (;__low < __high; ++__vec, ++__low)
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for (;__low < __high; ++__vec, ++__low)
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{
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{
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mask __m = 0;
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mask __m = 0;
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// Lowest bitmask in ctype_base == 0
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// Lowest bitmask in ctype_base == 0
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size_t __i = 0;
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size_t __i = 0;
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for (;__i <= __bitmasksize; ++__i)
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for (;__i <= __bitmasksize; ++__i)
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{
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{
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const mask __bit = static_cast<mask>(1 << __i);
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const mask __bit = static_cast<mask>(1 << __i);
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if (this->is(__bit, *__low))
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if (this->is(__bit, *__low))
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__m |= __bit;
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__m |= __bit;
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}
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}
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*__vec = __m;
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*__vec = __m;
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}
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}
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}
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}
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return __high;
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return __high;
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}
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}
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const char*
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const char*
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ctype<char>::
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ctype<char>::
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scan_is(mask __m, const char* __low, const char* __high) const
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scan_is(mask __m, const char* __low, const char* __high) const
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{
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{
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if (_M_table)
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if (_M_table)
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while (__low < __high
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while (__low < __high
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&& !(_M_table[static_cast<unsigned char>(*__low)] & __m))
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&& !(_M_table[static_cast<unsigned char>(*__low)] & __m))
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++__low;
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++__low;
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else
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else
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while (__low < __high && !this->is(__m, *__low))
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while (__low < __high && !this->is(__m, *__low))
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++__low;
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++__low;
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return __low;
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return __low;
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}
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}
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const char*
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const char*
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ctype<char>::
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ctype<char>::
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scan_not(mask __m, const char* __low, const char* __high) const
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scan_not(mask __m, const char* __low, const char* __high) const
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{
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{
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if (_M_table)
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if (_M_table)
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while (__low < __high
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while (__low < __high
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&& (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
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&& (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0)
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++__low;
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++__low;
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else
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else
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while (__low < __high && this->is(__m, *__low) != 0)
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while (__low < __high && this->is(__m, *__low) != 0)
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++__low;
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++__low;
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return __low;
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return __low;
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}
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}
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_GLIBCXX_END_NAMESPACE
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_GLIBCXX_END_NAMESPACE
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