[857] | 1 | /*
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| 2 | *
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| 3 | * Copyright (c) 2004
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| 4 | * John Maddock
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| 5 | *
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| 6 | * Use, modification and distribution are subject to the
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| 7 | * Boost Software License, Version 1.0. (See accompanying file
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| 8 | * LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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| 9 | *
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| 10 | */
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| 11 |
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| 12 | /*
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| 13 | * LOCATION: see http://www.boost.org for most recent version.
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| 14 | * FILE c_regex_traits.hpp
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| 15 | * VERSION see <boost/version.hpp>
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| 16 | * DESCRIPTION: Declares regular expression traits class that wraps the global C locale.
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| 17 | */
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| 18 |
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| 19 | #ifndef BOOST_C_REGEX_TRAITS_HPP_INCLUDED
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| 20 | #define BOOST_C_REGEX_TRAITS_HPP_INCLUDED
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| 21 |
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| 22 | #ifndef BOOST_REGEX_CONFIG_HPP
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| 23 | #include <boost/regex/config.hpp>
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| 24 | #endif
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| 25 | #ifndef BOOST_REGEX_WORKAROUND_HPP
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| 26 | #include <boost/regex/v4/regex_workaround.hpp>
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| 27 | #endif
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| 28 |
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| 29 | #include <cctype>
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| 30 |
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| 31 | #ifdef BOOST_NO_STDC_NAMESPACE
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| 32 | namespace std{
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| 33 | using ::strlen; using ::tolower;
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| 34 | }
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| 35 | #endif
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| 36 |
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| 37 | #ifdef BOOST_HAS_ABI_HEADERS
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| 38 | # include BOOST_ABI_PREFIX
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| 39 | #endif
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| 40 |
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| 41 | namespace boost{
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| 42 |
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| 43 | template <class charT>
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| 44 | struct c_regex_traits;
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| 45 |
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| 46 | template<>
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| 47 | struct BOOST_REGEX_DECL c_regex_traits<char>
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| 48 | {
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| 49 | c_regex_traits(){}
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| 50 | typedef char char_type;
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| 51 | typedef std::size_t size_type;
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| 52 | typedef std::string string_type;
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| 53 | struct locale_type{};
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| 54 | typedef boost::uint32_t char_class_type;
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| 55 |
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| 56 | static size_type length(const char_type* p)
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| 57 | {
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| 58 | return (std::strlen)(p);
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| 59 | }
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| 60 |
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| 61 | char translate(char c) const
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| 62 | {
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| 63 | return c;
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| 64 | }
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| 65 | char translate_nocase(char c) const
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| 66 | {
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| 67 | return static_cast<char>((std::tolower)(static_cast<unsigned char>(c)));
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| 68 | }
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| 69 |
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| 70 | static string_type BOOST_REGEX_CALL transform(const char* p1, const char* p2);
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| 71 | static string_type BOOST_REGEX_CALL transform_primary(const char* p1, const char* p2);
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| 72 |
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| 73 | static char_class_type BOOST_REGEX_CALL lookup_classname(const char* p1, const char* p2);
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| 74 | static string_type BOOST_REGEX_CALL lookup_collatename(const char* p1, const char* p2);
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| 75 |
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| 76 | static bool BOOST_REGEX_CALL isctype(char, char_class_type);
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| 77 | static int BOOST_REGEX_CALL value(char, int);
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| 78 |
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| 79 | locale_type imbue(locale_type l)
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| 80 | { return l; }
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| 81 | locale_type getloc()const
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| 82 | { return locale_type(); }
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| 83 |
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| 84 | private:
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| 85 | // this type is not copyable:
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| 86 | c_regex_traits(const c_regex_traits&);
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| 87 | c_regex_traits& operator=(const c_regex_traits&);
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| 88 | };
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| 89 |
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| 90 | #ifndef BOOST_NO_WREGEX
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| 91 | template<>
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| 92 | struct BOOST_REGEX_DECL c_regex_traits<wchar_t>
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| 93 | {
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| 94 | c_regex_traits(){}
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| 95 | typedef wchar_t char_type;
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| 96 | typedef std::size_t size_type;
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| 97 | typedef std::wstring string_type;
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| 98 | struct locale_type{};
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| 99 | typedef boost::uint32_t char_class_type;
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| 100 |
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| 101 | static size_type length(const char_type* p)
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| 102 | {
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| 103 | return (std::wcslen)(p);
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| 104 | }
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| 105 |
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| 106 | wchar_t translate(wchar_t c) const
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| 107 | {
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| 108 | return c;
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| 109 | }
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| 110 | wchar_t translate_nocase(wchar_t c) const
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| 111 | {
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| 112 | return (std::towlower)(c);
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| 113 | }
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| 114 |
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| 115 | static string_type BOOST_REGEX_CALL transform(const wchar_t* p1, const wchar_t* p2);
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| 116 | static string_type BOOST_REGEX_CALL transform_primary(const wchar_t* p1, const wchar_t* p2);
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| 117 |
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| 118 | static char_class_type BOOST_REGEX_CALL lookup_classname(const wchar_t* p1, const wchar_t* p2);
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| 119 | static string_type BOOST_REGEX_CALL lookup_collatename(const wchar_t* p1, const wchar_t* p2);
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| 120 |
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| 121 | static bool BOOST_REGEX_CALL isctype(wchar_t, char_class_type);
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| 122 | static int BOOST_REGEX_CALL value(wchar_t, int);
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| 123 |
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| 124 | locale_type imbue(locale_type l)
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| 125 | { return l; }
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| 126 | locale_type getloc()const
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| 127 | { return locale_type(); }
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| 128 |
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| 129 | private:
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| 130 | // this type is not copyable:
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| 131 | c_regex_traits(const c_regex_traits&);
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| 132 | c_regex_traits& operator=(const c_regex_traits&);
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| 133 | };
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| 134 |
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| 135 | #ifdef BOOST_REGEX_HAS_OTHER_WCHAR_T
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| 136 | //
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| 137 | // Provide an unsigned short version as well, so the user can link to this
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| 138 | // no matter whether they build with /Zc:wchar_t or not (MSVC specific).
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| 139 | //
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| 140 | template<>
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| 141 | struct BOOST_REGEX_DECL c_regex_traits<unsigned short>
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| 142 | {
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| 143 | c_regex_traits(){}
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| 144 | typedef unsigned short char_type;
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| 145 | typedef std::size_t size_type;
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| 146 | typedef std::basic_string<unsigned short> string_type;
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| 147 | struct locale_type{};
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| 148 | typedef boost::uint32_t char_class_type;
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| 149 |
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| 150 | static size_type length(const char_type* p)
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| 151 | {
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| 152 | return (std::wcslen)((const wchar_t*)p);
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| 153 | }
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| 154 |
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| 155 | unsigned short translate(unsigned short c) const
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| 156 | {
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| 157 | return c;
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| 158 | }
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| 159 | unsigned short translate_nocase(unsigned short c) const
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| 160 | {
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| 161 | return (std::towlower)((wchar_t)c);
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| 162 | }
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| 163 |
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| 164 | static string_type BOOST_REGEX_CALL transform(const unsigned short* p1, const unsigned short* p2);
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| 165 | static string_type BOOST_REGEX_CALL transform_primary(const unsigned short* p1, const unsigned short* p2);
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| 166 |
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| 167 | static char_class_type BOOST_REGEX_CALL lookup_classname(const unsigned short* p1, const unsigned short* p2);
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| 168 | static string_type BOOST_REGEX_CALL lookup_collatename(const unsigned short* p1, const unsigned short* p2);
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| 169 |
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| 170 | static bool BOOST_REGEX_CALL isctype(unsigned short, char_class_type);
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| 171 | static int BOOST_REGEX_CALL value(unsigned short, int);
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| 172 |
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| 173 | locale_type imbue(locale_type l)
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| 174 | { return l; }
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| 175 | locale_type getloc()const
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| 176 | { return locale_type(); }
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| 177 |
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| 178 | private:
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| 179 | // this type is not copyable:
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| 180 | c_regex_traits(const c_regex_traits&);
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| 181 | c_regex_traits& operator=(const c_regex_traits&);
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| 182 | };
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| 183 |
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| 184 | #endif
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| 185 |
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| 186 | #endif // BOOST_NO_WREGEX
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| 187 |
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| 188 | }
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| 189 |
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| 190 | #ifdef BOOST_HAS_ABI_HEADERS
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| 191 | # include BOOST_ABI_SUFFIX
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| 192 | #endif
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| 193 |
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| 194 | #endif
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| 195 |
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| 196 |
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| 197 |
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