1 /*============================================================================= 2 Copyright (c) 2001-2003 Joel de Guzman 3 Copyright (c) 2001-2003 Daniel Nuffer 4 http://spirit.sourceforge.net/ 5 6 Distributed under the Boost Software License, Version 1.0. (See accompanying 7 file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt) 8 =============================================================================*/ 9 #ifndef BOOST_SPIRIT_BASIC_CHSET_HPP 10 #define BOOST_SPIRIT_BASIC_CHSET_HPP 11 12 /////////////////////////////////////////////////////////////////////////////// 13 #include <bitset> 14 #include <climits> 15 #include <boost/spirit/home/classic/utility/impl/chset/range_run.hpp> 16 #include <boost/spirit/home/classic/namespace.hpp> 17 18 namespace boost { namespace spirit { 19 20 BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN 21 22 /////////////////////////////////////////////////////////////////////////// 23 // 24 // basic_chset: basic character set implementation using range_run 25 // 26 /////////////////////////////////////////////////////////////////////////// 27 template <typename CharT> 28 class basic_chset 29 { 30 public: 31 basic_chset(); 32 basic_chset(basic_chset const& arg_); 33 34 bool test(CharT v) const; 35 void set(CharT from, CharT to); 36 void set(CharT c); 37 void clear(CharT from, CharT to); 38 void clear(CharT c); 39 void clear(); 40 41 void inverse(); 42 void swap(basic_chset& x); 43 44 basic_chset& operator|=(basic_chset const& x); 45 basic_chset& operator&=(basic_chset const& x); 46 basic_chset& operator-=(basic_chset const& x); 47 basic_chset& operator^=(basic_chset const& x); 48 49 private: utility::impl::range_run<CharT> rr; 50 }; 51 52 #if (CHAR_BIT == 8) 53 54 /////////////////////////////////////////////////////////////////////////// 55 // 56 // basic_chset: specializations for 8 bit chars using std::bitset 57 // 58 /////////////////////////////////////////////////////////////////////////// 59 template <typename CharT> 60 class basic_chset_8bit { 61 62 public: 63 basic_chset_8bit(); 64 basic_chset_8bit(basic_chset_8bit const& arg_); 65 66 bool test(CharT v) const; 67 void set(CharT from, CharT to); 68 void set(CharT c); 69 void clear(CharT from, CharT to); 70 void clear(CharT c); 71 void clear(); 72 73 void inverse(); 74 void swap(basic_chset_8bit& x); 75 76 basic_chset_8bit& operator|=(basic_chset_8bit const& x); 77 basic_chset_8bit& operator&=(basic_chset_8bit const& x); 78 basic_chset_8bit& operator-=(basic_chset_8bit const& x); 79 basic_chset_8bit& operator^=(basic_chset_8bit const& x); 80 81 private: std::bitset<256> bset; 82 }; 83 84 ///////////////////////////////// 85 template <> 86 class basic_chset<char> 87 : public basic_chset_8bit<char> {}; 88 89 ///////////////////////////////// 90 template <> 91 class basic_chset<signed char> 92 : public basic_chset_8bit<signed char> {}; 93 94 ///////////////////////////////// 95 template <> 96 class basic_chset<unsigned char> 97 : public basic_chset_8bit<unsigned char> {}; 98 99 #endif 100 101 BOOST_SPIRIT_CLASSIC_NAMESPACE_END 102 103 }} // namespace BOOST_SPIRIT_CLASSIC_NS 104 105 #endif 106 107 #include <boost/spirit/home/classic/utility/impl/chset/basic_chset.ipp> 108