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_CTYPE_H 23 #define _STLP_INTERNAL_CTYPE_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_ALGOBASE_H 34 # include <stl/_algobase.h> 35 #endif 36 37 _STLP_BEGIN_NAMESPACE 38 39 class _STLP_CLASS_DECLSPEC ctype_base { 40 public: 41 enum mask { 42 space = _Locale_SPACE, 43 print = _Locale_PRINT, 44 cntrl = _Locale_CNTRL, 45 upper = _Locale_UPPER, 46 lower = _Locale_LOWER, 47 alpha = _Locale_ALPHA, 48 digit = _Locale_DIGIT, 49 punct = _Locale_PUNCT, 50 xdigit = _Locale_XDIGIT, 51 alnum = alpha | digit, 52 graph = alnum | punct 53 }; 54 }; 55 56 // ctype<> template 57 58 template <class charT> class ctype {}; 59 template <class charT> class ctype_byname {}; 60 61 //ctype specializations 62 63 _STLP_TEMPLATE_NULL 64 class _STLP_CLASS_DECLSPEC ctype<char> : public locale::facet, public ctype_base { 65 #ifndef _STLP_NO_WCHAR_T 66 # ifdef _STLP_MSVC 67 typedef ctype<wchar_t> _Wctype; 68 friend _Wctype; 69 # else 70 friend class ctype<wchar_t>; 71 # endif 72 #endif 73 public: 74 75 typedef char char_type; 76 77 explicit ctype(const mask* __tab = 0, bool __del = false, size_t __refs = 0); 78 bool is(mask __m, char __c) const 79 { return ((*(_M_ctype_table+(unsigned char)__c)) & __m) != 0; } 80 81 const char* is(const char* __low, const char* __high, mask* __vec) const { 82 for (const char* __p = __low;__p != __high; ++__p, ++__vec) { 83 *__vec = _M_ctype_table[(unsigned char)*__p]; 84 } 85 return __high; 86 } 87 88 const char* scan_is(mask __m, const char* __low, const char* __high) const; 89 const char* scan_not(mask __m, const char* __low, const char* __high) const; 90 91 char (toupper)(char __c) const { return do_toupper(__c); } 92 const char* (toupper)(char* __low, const char* __high) const { 93 return do_toupper(__low, __high); 94 } 95 96 char (tolower)(char __c) const { return do_tolower(__c); } 97 const char* (tolower)(char* __low, const char* __high) const { 98 return do_tolower(__low, __high); 99 } 100 101 char widen(char __c) const { return do_widen(__c); } 102 const char* widen(const char* __low, const char* __high, char* __to) const { 103 return do_widen(__low, __high, __to); 104 } 105 106 char narrow(char __c, char __dfault) const { 107 return do_narrow(__c, __dfault); 108 } 109 const char* narrow(const char* __low, const char* __high, 110 char __dfault, char* __to) const { 111 return do_narrow(__low, __high, __dfault, __to); 112 } 113 114 static _STLP_STATIC_DECLSPEC locale::id id; 115 _STLP_STATIC_CONSTANT(size_t, table_size = 256); 116 117 protected: 118 const mask* table() const _STLP_NOTHROW { return _M_ctype_table; } 119 static const mask* _STLP_CALL classic_table() _STLP_NOTHROW; 120 121 ~ctype(); 122 123 virtual char do_toupper(char __c) const; 124 virtual char do_tolower(char __c) const; 125 virtual const char* do_toupper(char* __low, const char* __high) const; 126 virtual const char* do_tolower(char* __low, const char* __high) const; 127 virtual char do_widen(char __c) const; 128 virtual const char* do_widen(const char* __low, const char* __high, 129 char* __to) const; 130 virtual char do_narrow(char __c, char /* dfault */ ) const; 131 virtual const char* do_narrow(const char* __low, const char* __high, 132 char /* dfault */, char* __to) const; 133 private: 134 struct _Is_mask { 135 mask __m; 136 _Is_mask(mask __x): __m(__x) {} 137 bool operator()(char __c) {return (__m & (unsigned char) __c) != 0;} 138 }; 139 140 protected: 141 const mask* _M_ctype_table; 142 private: 143 bool _M_delete; 144 }; 145 146 _STLP_TEMPLATE_NULL 147 class _STLP_CLASS_DECLSPEC ctype_byname<char>: public ctype<char> { 148 friend class _Locale_impl; 149 public: 150 explicit ctype_byname(const char*, size_t = 0); 151 ~ctype_byname(); 152 153 virtual char do_toupper(char __c) const; 154 virtual char do_tolower(char __c) const; 155 156 virtual const char* do_toupper(char*, const char*) const; 157 virtual const char* do_tolower(char*, const char*) const; 158 159 private: 160 ctype_byname(_Locale_ctype* __ctype) 161 : _M_ctype(__ctype) 162 { _M_init(); } 163 164 void _M_init(); 165 166 //explicitely defined as private to avoid warnings: 167 typedef ctype_byname<char> _Self; 168 ctype_byname(_Self const&); 169 _Self& operator = (_Self const&); 170 171 mask _M_byname_table[table_size]; 172 _Locale_ctype* _M_ctype; 173 }; 174 175 # ifndef _STLP_NO_WCHAR_T 176 _STLP_TEMPLATE_NULL 177 class _STLP_CLASS_DECLSPEC ctype<wchar_t> : public locale::facet, public ctype_base { 178 public: 179 typedef wchar_t char_type; 180 181 explicit ctype(size_t __refs = 0) : locale::facet(__refs) {} 182 183 bool is(mask __m, wchar_t __c) const 184 { return do_is(__m, __c); } 185 186 const wchar_t* is(const wchar_t* __low, const wchar_t* __high, 187 mask* __vec) const 188 { return do_is(__low, __high, __vec); } 189 190 const wchar_t* scan_is(mask __m, 191 const wchar_t* __low, const wchar_t* __high) const 192 { return do_scan_is(__m, __low, __high); } 193 194 const wchar_t* scan_not (mask __m, 195 const wchar_t* __low, const wchar_t* __high) const 196 { return do_scan_not(__m, __low, __high); } 197 198 wchar_t (toupper)(wchar_t __c) const { return do_toupper(__c); } 199 const wchar_t* (toupper)(wchar_t* __low, const wchar_t* __high) const 200 { return do_toupper(__low, __high); } 201 202 wchar_t (tolower)(wchar_t __c) const { return do_tolower(__c); } 203 const wchar_t* (tolower)(wchar_t* __low, const wchar_t* __high) const 204 { return do_tolower(__low, __high); } 205 206 wchar_t widen(char __c) const { return do_widen(__c); } 207 const char* widen(const char* __low, const char* __high, 208 wchar_t* __to) const 209 { return do_widen(__low, __high, __to); } 210 211 char narrow(wchar_t __c, char __dfault) const 212 { return do_narrow(__c, __dfault); } 213 const wchar_t* narrow(const wchar_t* __low, const wchar_t* __high, 214 char __dfault, char* __to) const 215 { return do_narrow(__low, __high, __dfault, __to); } 216 217 static _STLP_STATIC_DECLSPEC locale::id id; 218 219 protected: 220 ~ctype(); 221 222 virtual bool do_is(mask __m, wchar_t __c) const; 223 virtual const wchar_t* do_is(const wchar_t*, const wchar_t*, mask*) const; 224 virtual const wchar_t* do_scan_is(mask, 225 const wchar_t*, const wchar_t*) const; 226 virtual const wchar_t* do_scan_not(mask, 227 const wchar_t*, const wchar_t*) const; 228 virtual wchar_t do_toupper(wchar_t __c) const; 229 virtual const wchar_t* do_toupper(wchar_t*, const wchar_t*) const; 230 virtual wchar_t do_tolower(wchar_t c) const; 231 virtual const wchar_t* do_tolower(wchar_t*, const wchar_t*) const; 232 virtual wchar_t do_widen(char c) const; 233 virtual const char* do_widen(const char*, const char*, wchar_t*) const; 234 virtual char do_narrow(wchar_t __c, char __dfault) const; 235 virtual const wchar_t* do_narrow(const wchar_t*, const wchar_t*, 236 char, char*) const; 237 }; 238 239 _STLP_TEMPLATE_NULL 240 class _STLP_CLASS_DECLSPEC ctype_byname<wchar_t>: public ctype<wchar_t> { 241 friend class _Locale_impl; 242 public: 243 explicit ctype_byname(const char* __name, size_t __refs = 0); 244 245 protected: 246 ~ctype_byname(); 247 248 virtual bool do_is(mask __m, wchar_t __c) const; 249 virtual const wchar_t* do_is(const wchar_t*, const wchar_t*, mask*) const; 250 virtual const wchar_t* do_scan_is(mask, 251 const wchar_t*, const wchar_t*) const; 252 virtual const wchar_t* do_scan_not(mask, 253 const wchar_t*, const wchar_t*) const; 254 virtual wchar_t do_toupper(wchar_t __c) const; 255 virtual const wchar_t* do_toupper(wchar_t*, const wchar_t*) const; 256 virtual wchar_t do_tolower(wchar_t c) const; 257 virtual const wchar_t* do_tolower(wchar_t*, const wchar_t*) const; 258 259 private: 260 ctype_byname(_Locale_ctype* __ctype) 261 : _M_ctype(__ctype) {} 262 263 //explicitely defined as private to avoid warnings: 264 typedef ctype_byname<wchar_t> _Self; 265 ctype_byname(_Self const&); 266 _Self& operator = (_Self const&); 267 268 _Locale_ctype* _M_ctype; 269 }; 270 271 # endif /* WCHAR_T */ 272 273 _STLP_END_NAMESPACE 274 275 #endif /* _STLP_INTERNAL_CTYPE_H */ 276 277 // Local Variables: 278 // mode:C++ 279 // End: 280 281
