| // Locale support -*- C++ -*- |
| |
| // Copyright (C) 2000, 2002 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) |
| // 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. |
| |
| // 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. |
| |
| // 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. |
| |
| // |
| // ISO C++ 14882: 22.1 Locales |
| // |
| |
| // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*) |
| // functions go in ctype.cc |
| |
| bool |
| ctype<char>:: |
| is(mask __m, char __c) const |
| { return _M_table[static_cast<unsigned char>(__c)] & __m; } |
| |
| const char* |
| ctype<char>:: |
| is(const char* __low, const char* __high, mask* __vec) const |
| { |
| const int __bitmasksize = sizeof(mask) * 8; |
| for (;__low < __high; ++__vec, ++__low) |
| { |
| mask __m = _M_table[static_cast<unsigned char>(*__low)]; |
| int __i = 0; // Lowest bitmask value from ctype_base. |
| while (__i < __bitmasksize && !(__m & static_cast<mask>(1 << __i))) |
| ++__i; |
| *__vec = static_cast<mask>(1 << __i); |
| } |
| return __high; |
| } |
| |
| const char* |
| ctype<char>:: |
| scan_is(mask __m, const char* __low, const char* __high) const |
| { |
| while (__low < __high |
| && !(_M_table[static_cast<unsigned char>(*__low)] & __m)) |
| ++__low; |
| return __low; |
| } |
| |
| const char* |
| ctype<char>:: |
| scan_not(mask __m, const char* __low, const char* __high) const |
| { |
| while (__low < __high |
| && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0) |
| ++__low; |
| return __low; |
| } |
