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 23 #ifndef _STLP_INTERNAL_LOCALE_H 24 #define _STLP_INTERNAL_LOCALE_H 25 26 #ifndef _STLP_INTERNAL_CSTDLIB 27 # include <stl/_cstdlib.h> 28 #endif 29 30 #ifndef _STLP_INTERNAL_CWCHAR 31 # include <stl/_cwchar.h> 32 #endif 33 34 #ifndef _STLP_INTERNAL_THREADS_H 35 # include <stl/_threads.h> 36 #endif 37 38 #ifndef _STLP_STRING_FWD_H 39 # include <stl/_string_fwd.h> 40 #endif 41 42 #include <stl/_string.h> 43 44 #include <stl/_facets_fwd.h> 45 46 _STLP_BEGIN_NAMESPACE 47 48 class _Locale_impl; // Forward declaration of opaque type. 49 class locale; 50 51 template <class _CharT, class _Traits, class _Alloc> 52 bool __locale_do_operator_call(const locale& __loc, 53 const basic_string<_CharT, _Traits, _Alloc>& __x, 54 const basic_string<_CharT, _Traits, _Alloc>& __y); 55 56 _STLP_DECLSPEC _Locale_impl * _STLP_CALL _get_Locale_impl( _Locale_impl *locimpl ); 57 _STLP_DECLSPEC _Locale_impl * _STLP_CALL _copy_Nameless_Locale_impl( _Locale_impl *locimpl ); 58 59 _STLP_MOVE_TO_PRIV_NAMESPACE 60 61 template <class _Facet> 62 bool _HasFacet(const locale& __loc, const _Facet* __facet) _STLP_NOTHROW; 63 64 template <class _Facet> 65 _Facet* _UseFacet(const locale& __loc, const _Facet* __facet); 66 67 template <class _Facet> 68 void _InsertFacet(locale& __loc, _Facet* __facet); 69 70 _STLP_MOVE_TO_STD_NAMESPACE 71 72 #if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) || \ 73 defined (_STLP_SIGNAL_RUNTIME_COMPATIBILITY) || defined (_STLP_CHECK_RUNTIME_COMPATIBILITY) 74 # define locale _STLP_NO_MEM_T_NAME(loc) 75 #endif 76 77 class _STLP_CLASS_DECLSPEC locale { 78 public: 79 // types: 80 class _STLP_CLASS_DECLSPEC facet : protected _Refcount_Base { 81 protected: 82 /* Here we filter __init_count user value to 0 or 1 because __init_count is a 83 * size_t instance and _Refcount_Base use __stl_atomic_t instances that might 84 * have lower sizeof and generate roll issues. 1 is enough to keep the facet 85 * alive when required. */ 86 explicit facet(size_t __init_count = 0) : _Refcount_Base( __init_count == 0 ? 0 : 1 ) {} 87 virtual ~facet(); 88 friend class locale; 89 friend class _Locale_impl; 90 friend facet * _STLP_CALL _get_facet( facet * ); 91 friend void _STLP_CALL _release_facet( facet *& ); 92 93 private: // Invalidate assignment and copying. 94 facet(const facet& ) /* : _Refcount_Base(1) {} */; 95 void operator=(const facet&); 96 }; 97 98 #if defined (__MVS__) || defined (__OS400__) 99 struct 100 #else 101 class 102 #endif 103 _STLP_CLASS_DECLSPEC id { 104 public: 105 size_t _M_index; 106 static size_t _S_max; 107 }; 108 109 typedef int category; 110 _STLP_STATIC_CONSTANT(category, none = 0x000); 111 _STLP_STATIC_CONSTANT(category, collate = 0x010); 112 _STLP_STATIC_CONSTANT(category, ctype = 0x020); 113 _STLP_STATIC_CONSTANT(category, monetary = 0x040); 114 _STLP_STATIC_CONSTANT(category, numeric = 0x100); 115 _STLP_STATIC_CONSTANT(category, time = 0x200); 116 _STLP_STATIC_CONSTANT(category, messages = 0x400); 117 _STLP_STATIC_CONSTANT(category, all = collate | ctype | monetary | numeric | time | messages); 118 119 // construct/copy/destroy: 120 locale() _STLP_NOTHROW; 121 locale(const locale&) _STLP_NOTHROW; 122 explicit locale(const char *); 123 locale(const locale&, const char*, category); 124 125 #if defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) 126 template <class _Facet> 127 locale(const locale& __loc, _Facet* __f) { 128 if ( __f != 0 ) { 129 this->_M_impl = _get_Locale_impl( _copy_Nameless_Locale_impl( __loc._M_impl ) ); 130 _STLP_PRIV _InsertFacet(*this, __f); 131 } else { 132 this->_M_impl = _get_Locale_impl( __loc._M_impl ); 133 } 134 } 135 #endif 136 137 protected: 138 // those are for internal use 139 locale(_Locale_impl*); 140 141 public: 142 locale(const locale&, const locale&, category); 143 const locale& operator=(const locale&) _STLP_NOTHROW; 144 145 #if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) 146 protected: 147 #endif 148 ~locale() _STLP_NOTHROW; 149 150 public: 151 #if defined (_STLP_MEMBER_TEMPLATES) && !defined (_STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS) && \ 152 !defined(_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) 153 template <class _Facet> 154 locale combine(const locale& __loc) const { 155 _Facet *__facet = 0; 156 if (!_STLP_PRIV _HasFacet(__loc, __facet)) 157 _M_throw_on_combine_error(__loc.name()); 158 159 return locale(*this, _STLP_PRIV _UseFacet(__loc, __facet)); 160 } 161 #endif 162 163 // locale operations: 164 string name() const; 165 166 bool operator==(const locale&) const; 167 bool operator!=(const locale&) const; 168 169 #if !defined (_STLP_MEMBER_TEMPLATES) || defined (_STLP_INLINE_MEMBER_TEMPLATES) || (defined(__MWERKS__) && __MWERKS__ <= 0x2301) 170 bool operator()(const string& __x, const string& __y) const; 171 # ifndef _STLP_NO_WCHAR_T 172 bool operator()(const wstring& __x, const wstring& __y) const; 173 # endif 174 #elif !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) 175 template <class _CharT, class _Traits, class _Alloc> 176 bool operator()(const basic_string<_CharT, _Traits, _Alloc>& __x, 177 const basic_string<_CharT, _Traits, _Alloc>& __y) const 178 { return __locale_do_operator_call(*this, __x, __y); } 179 #endif 180 181 // global locale objects: 182 #if !defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) 183 static locale _STLP_CALL global(const locale&); 184 #else 185 static _Locale_impl* _STLP_CALL global(const locale&); 186 #endif 187 static const locale& _STLP_CALL classic(); 188 189 //protected: // Helper functions for locale globals. 190 facet* _M_get_facet(const id&) const; 191 // same, but throws 192 facet* _M_use_facet(const id&) const; 193 static void _STLP_FUNCTION_THROWS _STLP_CALL _M_throw_on_combine_error(const string& name); 194 static void _STLP_FUNCTION_THROWS _STLP_CALL _M_throw_on_null_name(); 195 static void _STLP_FUNCTION_THROWS _STLP_CALL _M_throw_on_creation_failure(int __err_code, 196 const char* name, const char* facet); 197 198 //protected: // More helper functions. 199 void _M_insert(facet* __f, id& __id); 200 201 // friends: 202 friend class _Locale_impl; 203 204 protected: // Data members 205 _Locale_impl* _M_impl; 206 _Locale_impl* _M_get_impl() const { return _M_impl; } 207 }; 208 209 #if defined (_STLP_USE_MSVC6_MEM_T_BUG_WORKAROUND) || \ 210 defined (_STLP_SIGNAL_RUNTIME_COMPATIBILITY) || defined (_STLP_CHECK_RUNTIME_COMPATIBILITY) 211 # undef locale 212 # define _Locale _STLP_NO_MEM_T_NAME(loc) 213 214 class locale : public _Locale { 215 public: 216 217 // construct/copy/destroy: 218 locale() _STLP_NOTHROW { 219 #if defined (_STLP_CHECK_RUNTIME_COMPATIBILITY) 220 _STLP_CHECK_RUNTIME_COMPATIBILITY(); 221 #endif 222 } 223 locale(const locale& __loc) _STLP_NOTHROW : _Locale(__loc) {} 224 explicit locale(const char *__str) : _Locale(__str) {} 225 locale(const locale& __loc, const char* __str, category __cat) 226 : _Locale(__loc, __str, __cat) {} 227 228 template <class _Facet> 229 locale(const locale& __loc, _Facet* __f) 230 : _Locale(__f != 0 ? _copy_Nameless_Locale_impl(__loc._M_impl) : __loc._M_impl) { 231 if ( __f != 0 ) { 232 _STLP_PRIV _InsertFacet(*this, __f); 233 } 234 } 235 236 private: 237 // those are for internal use 238 locale(_Locale_impl* __impl) : _Locale(__impl) {} 239 locale(const _Locale& __loc) : _Locale(__loc) {} 240 241 public: 242 243 locale(const locale& __loc1, const locale& __loc2, category __cat) 244 : _Locale(__loc1, __loc2, __cat) {} 245 246 const locale& operator=(const locale& __loc) _STLP_NOTHROW { 247 _Locale::operator=(__loc); 248 return *this; 249 } 250 251 template <class _Facet> 252 locale combine(const locale& __loc) const { 253 _Facet *__facet = 0; 254 if (!_STLP_PRIV _HasFacet(__loc, __facet)) 255 _M_throw_on_combine_error(__loc.name()); 256 257 return locale(*this, _STLP_PRIV _UseFacet(__loc, __facet)); 258 } 259 260 // locale operations: 261 bool operator==(const locale& __loc) const { return _Locale::operator==(__loc); } 262 bool operator!=(const locale& __loc) const { return _Locale::operator!=(__loc); } 263 264 template <class _CharT, class _Traits, class _Alloc> 265 bool operator()(const basic_string<_CharT, _Traits, _Alloc>& __x, 266 const basic_string<_CharT, _Traits, _Alloc>& __y) const 267 { return __locale_do_operator_call(*this, __x, __y); } 268 269 // global locale objects: 270 static locale _STLP_CALL global(const locale& __loc) { 271 return _Locale::global(__loc); 272 } 273 static const locale& _STLP_CALL classic() { 274 return __STATIC_CAST(const locale&, _Locale::classic()); 275 } 276 277 // friends: 278 friend class _Locale_impl; 279 }; 280 281 # undef _Locale 282 #endif 283 284 //---------------------------------------------------------------------- 285 // locale globals 286 287 template <class _Facet> 288 inline const _Facet& 289 #ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS 290 _Use_facet<_Facet>::operator *() const 291 #else 292 use_facet(const locale& __loc) 293 #endif 294 { 295 _Facet *__facet = 0; 296 return *(_STLP_PRIV _UseFacet(__loc, __facet)); 297 } 298 299 template <class _Facet> 300 #ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS 301 struct has_facet { 302 const locale& __loc; 303 has_facet(const locale& __p_loc) : __loc(__p_loc) {} 304 operator bool() const _STLP_NOTHROW 305 #else 306 inline bool has_facet(const locale& __loc) _STLP_NOTHROW 307 #endif 308 { 309 _Facet *__facet = 0; 310 return _STLP_PRIV _HasFacet(__loc, __facet); 311 } 312 313 #ifdef _STLP_NO_EXPLICIT_FUNCTION_TMPL_ARGS 314 }; // close class definition 315 #endif 316 317 _STLP_MOVE_TO_PRIV_NAMESPACE 318 319 /* _GetFacetId is a helper function that allow delaying access to 320 * facet id static instance in the library source code to avoid 321 * the other static instances that many compilers are generating 322 * in all dynamic library or executable when instanciating facet 323 * template class. 324 */ 325 template <class _Facet> 326 inline locale::id& _GetFacetId(const _Facet*) 327 { return _Facet::id; } 328 329 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_get<char, istreambuf_iterator<char, char_traits<char> > >*); 330 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_put<char, ostreambuf_iterator<char, char_traits<char> > >*); 331 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_get<char, istreambuf_iterator<char, char_traits<char> > >*); 332 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_put<char, ostreambuf_iterator<char, char_traits<char> > >*); 333 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_get<char, istreambuf_iterator<char, char_traits<char> > >*); 334 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_put<char, ostreambuf_iterator<char, char_traits<char> > >*); 335 336 #ifndef _STLP_NO_WCHAR_T 337 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >*); 338 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const money_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >*); 339 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >*); 340 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const num_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >*); 341 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_get<wchar_t, istreambuf_iterator<wchar_t, char_traits<wchar_t> > >*); 342 _STLP_DECLSPEC locale::id& _STLP_CALL _GetFacetId(const time_put<wchar_t, ostreambuf_iterator<wchar_t, char_traits<wchar_t> > >*); 343 #endif 344 345 template <class _Facet> 346 inline bool _HasFacet(const locale& __loc, const _Facet* __facet) _STLP_NOTHROW 347 { return (__loc._M_get_facet(_GetFacetId(__facet)) != 0); } 348 349 template <class _Facet> 350 inline _Facet* _UseFacet(const locale& __loc, const _Facet* __facet) 351 { return __STATIC_CAST(_Facet*, __loc._M_use_facet(_GetFacetId(__facet))); } 352 353 template <class _Facet> 354 inline void _InsertFacet(locale& __loc, _Facet* __facet) 355 { __loc._M_insert(__facet, _GetFacetId(__facet)); } 356 357 _STLP_MOVE_TO_STD_NAMESPACE 358 359 _STLP_END_NAMESPACE 360 361 #endif /* _STLP_INTERNAL_LOCALE_H */ 362 363 // Local Variables: 364 // mode:C++ 365 // End: 366 367
