1 /* 2 * Copyright (c) 1999 3 * Silicon Graphics Computer Systems, Inc. 4 * 5 * Copyright (c) 1999 6 * Boris Fomitchev 7 * 8 * This material is provided "as is", with absolutely no warranty expressed 9 * or implied. Any use is at your own risk. 10 * 11 * Permission to use or copy this software for any purpose is hereby granted 12 * without fee, provided the above notices are retained on all copies. 13 * Permission to modify the code and to distribute modified code is granted, 14 * provided the above notices are retained, and a notice that the code was 15 * modified is included with the above copyright notice. 16 * 17 */ 18 // WARNING: This is an internal header file, included by other C++ 19 // standard library headers. You should not attempt to use this header 20 // file directly. 21 22 #ifndef _STLP_INTERNAL_COLLATE_H 23 #define _STLP_INTERNAL_COLLATE_H 24 25 #ifndef _STLP_C_LOCALE_H 26 # include <stl/c_locale.h> 27 #endif 28 29 #ifndef _STLP_INTERNAL_LOCALE_H 30 # include <stl/_locale.h> 31 #endif 32 33 #ifndef _STLP_INTERNAL_STRING_H 34 # include <stl/_string.h> 35 #endif 36 37 _STLP_BEGIN_NAMESPACE 38 39 template <class _CharT> class collate {}; 40 template <class _CharT> class collate_byname {}; 41 42 _STLP_TEMPLATE_NULL 43 class _STLP_CLASS_DECLSPEC collate<char> : public locale::facet { 44 public: 45 typedef char char_type; 46 typedef string string_type; 47 48 explicit collate(size_t __refs = 0) : locale::facet(__refs) {} 49 50 int compare(const char* __low1, const char* __high1, 51 const char* __low2, const char* __high2) const { 52 return do_compare( __low1, __high1, __low2, __high2); 53 } 54 55 string_type transform(const char* __low, const char* __high) const { 56 return do_transform(__low, __high); 57 } 58 59 long hash(const char* __low, const char* __high) const 60 { return do_hash(__low, __high); } 61 62 static _STLP_STATIC_DECLSPEC locale::id id; 63 64 protected: 65 ~collate(); 66 67 virtual int do_compare(const char*, const char*, 68 const char*, const char*) const; 69 virtual string_type do_transform(const char*, const char*) const; 70 virtual long do_hash(const char*, const char*) const; 71 private: 72 collate(const collate<char>&); 73 collate<char>& operator =(const collate<char>&); 74 }; 75 76 # ifndef _STLP_NO_WCHAR_T 77 78 _STLP_TEMPLATE_NULL 79 class _STLP_CLASS_DECLSPEC collate<wchar_t> : public locale::facet { 80 public: 81 typedef wchar_t char_type; 82 typedef wstring string_type; 83 84 explicit collate(size_t __refs = 0) : locale::facet(__refs) {} 85 86 int compare(const wchar_t* __low1, const wchar_t* __high1, 87 const wchar_t* __low2, const wchar_t* __high2) const { 88 return do_compare( __low1, __high1, __low2, __high2); 89 } 90 91 string_type transform(const wchar_t* __low, const wchar_t* __high) const { 92 return do_transform(__low, __high); 93 } 94 95 long hash(const wchar_t* __low, const wchar_t* __high) const 96 { return do_hash(__low, __high); } 97 98 static _STLP_STATIC_DECLSPEC locale::id id; 99 100 protected: 101 ~collate(); 102 103 virtual int do_compare(const wchar_t*, const wchar_t*, 104 const wchar_t*, const wchar_t*) const; 105 virtual string_type do_transform(const wchar_t*, const wchar_t*) const; 106 virtual long do_hash(const wchar_t* __low, const wchar_t* __high) const; 107 private: 108 collate(const collate<wchar_t>&); 109 collate<wchar_t>& operator = (const collate<wchar_t>&); 110 }; 111 112 # endif /* NO_WCHAR_T */ 113 114 _STLP_TEMPLATE_NULL 115 class _STLP_CLASS_DECLSPEC collate_byname<char>: public collate<char> { 116 friend class _Locale_impl; 117 public: 118 explicit collate_byname(const char* __name, size_t __refs = 0); 119 120 protected: 121 ~collate_byname(); 122 123 virtual int do_compare(const char*, const char*, 124 const char*, const char*) const; 125 virtual string_type do_transform(const char*, const char*) const; 126 127 private: 128 collate_byname(_Locale_collate *__coll) 129 : _M_collate(__coll) {} 130 _Locale_collate* _M_collate; 131 collate_byname(const collate_byname<char>&); 132 collate_byname<char>& operator =(const collate_byname<char>&); 133 }; 134 135 # ifndef _STLP_NO_WCHAR_T 136 137 _STLP_TEMPLATE_NULL 138 class _STLP_CLASS_DECLSPEC collate_byname<wchar_t>: public collate<wchar_t> { 139 friend class _Locale_impl; 140 public: 141 explicit collate_byname(const char * __name, size_t __refs = 0); 142 143 protected: 144 ~collate_byname(); 145 146 virtual int do_compare(const wchar_t*, const wchar_t*, 147 const wchar_t*, const wchar_t*) const; 148 virtual string_type do_transform(const wchar_t*, const wchar_t*) const; 149 150 private: 151 collate_byname(_Locale_collate *__coll) 152 : _M_collate(__coll) {} 153 _Locale_collate* _M_collate; 154 collate_byname(const collate_byname<wchar_t>&); 155 collate_byname<wchar_t>& operator =(const collate_byname<wchar_t>&); 156 }; 157 158 # endif /* NO_WCHAR_T */ 159 160 template <class _CharT, class _Traits, class _Alloc> 161 bool 162 __locale_do_operator_call (const locale& __loc, 163 const basic_string<_CharT, _Traits, _Alloc>& __x, 164 const basic_string<_CharT, _Traits, _Alloc>& __y) { 165 collate<_CharT> const& __coll = use_facet<collate<_CharT> >(__loc); 166 return __coll.compare(__x.data(), __x.data() + __x.size(), 167 __y.data(), __y.data() + __y.size()) < 0; 168 } 169 170 _STLP_END_NAMESPACE 171 172 #endif /* _STLP_INTERNAL_COLLATE_H */ 173 174 // Local Variables: 175 // mode:C++ 176 // End: 177
