1 // Locale support -*- C++ -*- 2 3 // Copyright (C) 2000, 2003 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the 7 // terms of the GNU General Public License as published by the 8 // Free Software Foundation; either version 2, or (at your option) 9 // any later version. 10 11 // This library is distributed in the hope that it will be useful, 12 // but WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14 // GNU General Public License for more details. 15 16 // You should have received a copy of the GNU General Public License along 17 // with this library; see the file COPYING. If not, write to the Free 18 // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, 19 // USA. 20 21 // As a special exception, you may use this file as part of a free software 22 // library without restriction. Specifically, if other files instantiate 23 // templates or use macros or inline functions from this file, or you compile 24 // this file and link it with other files to produce an executable, this 25 // file does not by itself cause the resulting executable to be covered by 26 // the GNU General Public License. This exception does not however 27 // invalidate any other reasons why the executable file might be covered by 28 // the GNU General Public License. 29 30 // 31 // ISO C++ 14882: 22.1 Locales 32 // 33 34 // ctype bits to be inlined go here. Non-inlinable (ie virtual do_*) 35 // functions go in ctype.cc 36 37 bool 38 ctype<char>:: is(mask __m,char __c)39 is(mask __m, char __c) const 40 { 41 if (_M_table) 42 return _M_table[static_cast<unsigned char>(__c)] & __m; 43 else 44 return __istype(__c, __m); 45 } 46 47 const char* 48 ctype<char>:: is(const char * __low,const char * __high,mask * __vec)49 is(const char* __low, const char* __high, mask* __vec) const 50 { 51 if (_M_table) 52 while (__low < __high) 53 *__vec++ = _M_table[static_cast<unsigned char>(*__low++)]; 54 else 55 for (;__low < __high; ++__vec, ++__low) 56 { 57 #if defined (_CTYPE_S) || defined (__istype) 58 *__vec = __maskrune (*__low, upper | lower | alpha | digit | xdigit 59 | space | print | graph | cntrl | punct | alnum); 60 #else 61 mask __m = 0; 62 if (this->is(upper, *__low)) __m |= upper; 63 if (this->is(lower, *__low)) __m |= lower; 64 if (this->is(alpha, *__low)) __m |= alpha; 65 if (this->is(digit, *__low)) __m |= digit; 66 if (this->is(xdigit, *__low)) __m |= xdigit; 67 if (this->is(space, *__low)) __m |= space; 68 if (this->is(print, *__low)) __m |= print; 69 if (this->is(graph, *__low)) __m |= graph; 70 if (this->is(cntrl, *__low)) __m |= cntrl; 71 if (this->is(punct, *__low)) __m |= punct; 72 // Do not include explicit line for alnum mask since it is a 73 // pure composite of masks on FreeBSD. 74 *__vec = __m; 75 #endif 76 } 77 return __high; 78 } 79 80 const char* 81 ctype<char>:: scan_is(mask __m,const char * __low,const char * __high)82 scan_is(mask __m, const char* __low, const char* __high) const 83 { 84 if (_M_table) 85 while (__low < __high 86 && !(_M_table[static_cast<unsigned char>(*__low)] & __m)) 87 ++__low; 88 else 89 while (__low < __high && !this->is(__m, *__low)) 90 ++__low; 91 return __low; 92 } 93 94 const char* 95 ctype<char>:: scan_not(mask __m,const char * __low,const char * __high)96 scan_not(mask __m, const char* __low, const char* __high) const 97 { 98 if (_M_table) 99 while (__low < __high 100 && (_M_table[static_cast<unsigned char>(*__low)] & __m) != 0) 101 ++__low; 102 else 103 while (__low < __high && this->is(__m, *__low) != 0) 104 ++__low; 105 return __low; 106 } 107