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| 1 // -*- C++ -*- |
| 2 //===-------------------------- codecvt -----------------------------------===// |
| 3 // |
| 4 // The LLVM Compiler Infrastructure |
| 5 // |
| 6 // This file is dual licensed under the MIT and the University of Illinois Open |
| 7 // Source Licenses. See LICENSE.TXT for details. |
| 8 // |
| 9 //===----------------------------------------------------------------------===// |
| 10 |
| 11 #ifndef _LIBCPP_CODECVT |
| 12 #define _LIBCPP_CODECVT |
| 13 |
| 14 /* |
| 15 codecvt synopsis |
| 16 |
| 17 namespace std |
| 18 { |
| 19 |
| 20 enum codecvt_mode |
| 21 { |
| 22 consume_header = 4, |
| 23 generate_header = 2, |
| 24 little_endian = 1 |
| 25 }; |
| 26 |
| 27 template <class Elem, unsigned long Maxcode = 0x10ffff, |
| 28 codecvt_mode Mode = (codecvt_mode)0> |
| 29 class codecvt_utf8 |
| 30 : public codecvt<Elem, char, mbstate_t> |
| 31 { |
| 32 explicit codecvt_utf8(size_t refs = 0); |
| 33 ~codecvt_utf8(); |
| 34 }; |
| 35 |
| 36 template <class Elem, unsigned long Maxcode = 0x10ffff, |
| 37 codecvt_mode Mode = (codecvt_mode)0> |
| 38 class codecvt_utf16 |
| 39 : public codecvt<Elem, char, mbstate_t> |
| 40 { |
| 41 explicit codecvt_utf16(size_t refs = 0); |
| 42 ~codecvt_utf16(); |
| 43 }; |
| 44 |
| 45 template <class Elem, unsigned long Maxcode = 0x10ffff, |
| 46 codecvt_mode Mode = (codecvt_mode)0> |
| 47 class codecvt_utf8_utf16 |
| 48 : public codecvt<Elem, char, mbstate_t> |
| 49 { |
| 50 explicit codecvt_utf8_utf16(size_t refs = 0); |
| 51 ~codecvt_utf8_utf16(); |
| 52 }; |
| 53 |
| 54 } // std |
| 55 |
| 56 */ |
| 57 |
| 58 #include <__config> |
| 59 #include <__locale> |
| 60 |
| 61 #if !defined(_LIBCPP_HAS_NO_PRAGMA_SYSTEM_HEADER) |
| 62 #pragma GCC system_header |
| 63 #endif |
| 64 |
| 65 _LIBCPP_BEGIN_NAMESPACE_STD |
| 66 |
| 67 enum codecvt_mode |
| 68 { |
| 69 consume_header = 4, |
| 70 generate_header = 2, |
| 71 little_endian = 1 |
| 72 }; |
| 73 |
| 74 // codecvt_utf8 |
| 75 |
| 76 template <class _Elem> class __codecvt_utf8; |
| 77 |
| 78 template <> |
| 79 class _LIBCPP_TYPE_VIS __codecvt_utf8<wchar_t> |
| 80 : public codecvt<wchar_t, char, mbstate_t> |
| 81 { |
| 82 unsigned long _Maxcode_; |
| 83 codecvt_mode _Mode_; |
| 84 public: |
| 85 typedef wchar_t intern_type; |
| 86 typedef char extern_type; |
| 87 typedef mbstate_t state_type; |
| 88 |
| 89 _LIBCPP_ALWAYS_INLINE |
| 90 explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, |
| 91 codecvt_mode _Mode) |
| 92 : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 93 _Mode_(_Mode) {} |
| 94 protected: |
| 95 virtual result |
| 96 do_out(state_type& __st, |
| 97 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 98 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 99 virtual result |
| 100 do_in(state_type& __st, |
| 101 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 102 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 103 virtual result |
| 104 do_unshift(state_type& __st, |
| 105 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 106 virtual int do_encoding() const throw(); |
| 107 virtual bool do_always_noconv() const throw(); |
| 108 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 109 size_t __mx) const; |
| 110 virtual int do_max_length() const throw(); |
| 111 }; |
| 112 |
| 113 template <> |
| 114 class _LIBCPP_TYPE_VIS __codecvt_utf8<char16_t> |
| 115 : public codecvt<char16_t, char, mbstate_t> |
| 116 { |
| 117 unsigned long _Maxcode_; |
| 118 codecvt_mode _Mode_; |
| 119 public: |
| 120 typedef char16_t intern_type; |
| 121 typedef char extern_type; |
| 122 typedef mbstate_t state_type; |
| 123 |
| 124 _LIBCPP_ALWAYS_INLINE |
| 125 explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, |
| 126 codecvt_mode _Mode) |
| 127 : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 128 _Mode_(_Mode) {} |
| 129 protected: |
| 130 virtual result |
| 131 do_out(state_type& __st, |
| 132 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 133 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 134 virtual result |
| 135 do_in(state_type& __st, |
| 136 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 137 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 138 virtual result |
| 139 do_unshift(state_type& __st, |
| 140 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 141 virtual int do_encoding() const throw(); |
| 142 virtual bool do_always_noconv() const throw(); |
| 143 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 144 size_t __mx) const; |
| 145 virtual int do_max_length() const throw(); |
| 146 }; |
| 147 |
| 148 template <> |
| 149 class _LIBCPP_TYPE_VIS __codecvt_utf8<char32_t> |
| 150 : public codecvt<char32_t, char, mbstate_t> |
| 151 { |
| 152 unsigned long _Maxcode_; |
| 153 codecvt_mode _Mode_; |
| 154 public: |
| 155 typedef char32_t intern_type; |
| 156 typedef char extern_type; |
| 157 typedef mbstate_t state_type; |
| 158 |
| 159 _LIBCPP_ALWAYS_INLINE |
| 160 explicit __codecvt_utf8(size_t __refs, unsigned long _Maxcode, |
| 161 codecvt_mode _Mode) |
| 162 : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 163 _Mode_(_Mode) {} |
| 164 protected: |
| 165 virtual result |
| 166 do_out(state_type& __st, |
| 167 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 168 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 169 virtual result |
| 170 do_in(state_type& __st, |
| 171 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 172 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 173 virtual result |
| 174 do_unshift(state_type& __st, |
| 175 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 176 virtual int do_encoding() const throw(); |
| 177 virtual bool do_always_noconv() const throw(); |
| 178 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 179 size_t __mx) const; |
| 180 virtual int do_max_length() const throw(); |
| 181 }; |
| 182 |
| 183 template <class _Elem, unsigned long _Maxcode = 0x10ffff, |
| 184 codecvt_mode _Mode = (codecvt_mode)0> |
| 185 class _LIBCPP_TYPE_VIS_ONLY codecvt_utf8 |
| 186 : public __codecvt_utf8<_Elem> |
| 187 { |
| 188 public: |
| 189 _LIBCPP_ALWAYS_INLINE |
| 190 explicit codecvt_utf8(size_t __refs = 0) |
| 191 : __codecvt_utf8<_Elem>(__refs, _Maxcode, _Mode) {} |
| 192 |
| 193 _LIBCPP_ALWAYS_INLINE |
| 194 ~codecvt_utf8() {} |
| 195 }; |
| 196 |
| 197 // codecvt_utf16 |
| 198 |
| 199 template <class _Elem, bool _LittleEndian> class __codecvt_utf16; |
| 200 |
| 201 template <> |
| 202 class _LIBCPP_TYPE_VIS __codecvt_utf16<wchar_t, false> |
| 203 : public codecvt<wchar_t, char, mbstate_t> |
| 204 { |
| 205 unsigned long _Maxcode_; |
| 206 codecvt_mode _Mode_; |
| 207 public: |
| 208 typedef wchar_t intern_type; |
| 209 typedef char extern_type; |
| 210 typedef mbstate_t state_type; |
| 211 |
| 212 _LIBCPP_ALWAYS_INLINE |
| 213 explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
| 214 codecvt_mode _Mode) |
| 215 : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 216 _Mode_(_Mode) {} |
| 217 protected: |
| 218 virtual result |
| 219 do_out(state_type& __st, |
| 220 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 221 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 222 virtual result |
| 223 do_in(state_type& __st, |
| 224 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 225 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 226 virtual result |
| 227 do_unshift(state_type& __st, |
| 228 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 229 virtual int do_encoding() const throw(); |
| 230 virtual bool do_always_noconv() const throw(); |
| 231 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 232 size_t __mx) const; |
| 233 virtual int do_max_length() const throw(); |
| 234 }; |
| 235 |
| 236 template <> |
| 237 class _LIBCPP_TYPE_VIS __codecvt_utf16<wchar_t, true> |
| 238 : public codecvt<wchar_t, char, mbstate_t> |
| 239 { |
| 240 unsigned long _Maxcode_; |
| 241 codecvt_mode _Mode_; |
| 242 public: |
| 243 typedef wchar_t intern_type; |
| 244 typedef char extern_type; |
| 245 typedef mbstate_t state_type; |
| 246 |
| 247 _LIBCPP_ALWAYS_INLINE |
| 248 explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
| 249 codecvt_mode _Mode) |
| 250 : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 251 _Mode_(_Mode) {} |
| 252 protected: |
| 253 virtual result |
| 254 do_out(state_type& __st, |
| 255 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 256 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 257 virtual result |
| 258 do_in(state_type& __st, |
| 259 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 260 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 261 virtual result |
| 262 do_unshift(state_type& __st, |
| 263 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 264 virtual int do_encoding() const throw(); |
| 265 virtual bool do_always_noconv() const throw(); |
| 266 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 267 size_t __mx) const; |
| 268 virtual int do_max_length() const throw(); |
| 269 }; |
| 270 |
| 271 template <> |
| 272 class _LIBCPP_TYPE_VIS __codecvt_utf16<char16_t, false> |
| 273 : public codecvt<char16_t, char, mbstate_t> |
| 274 { |
| 275 unsigned long _Maxcode_; |
| 276 codecvt_mode _Mode_; |
| 277 public: |
| 278 typedef char16_t intern_type; |
| 279 typedef char extern_type; |
| 280 typedef mbstate_t state_type; |
| 281 |
| 282 _LIBCPP_ALWAYS_INLINE |
| 283 explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
| 284 codecvt_mode _Mode) |
| 285 : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 286 _Mode_(_Mode) {} |
| 287 protected: |
| 288 virtual result |
| 289 do_out(state_type& __st, |
| 290 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 291 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 292 virtual result |
| 293 do_in(state_type& __st, |
| 294 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 295 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 296 virtual result |
| 297 do_unshift(state_type& __st, |
| 298 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 299 virtual int do_encoding() const throw(); |
| 300 virtual bool do_always_noconv() const throw(); |
| 301 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 302 size_t __mx) const; |
| 303 virtual int do_max_length() const throw(); |
| 304 }; |
| 305 |
| 306 template <> |
| 307 class _LIBCPP_TYPE_VIS __codecvt_utf16<char16_t, true> |
| 308 : public codecvt<char16_t, char, mbstate_t> |
| 309 { |
| 310 unsigned long _Maxcode_; |
| 311 codecvt_mode _Mode_; |
| 312 public: |
| 313 typedef char16_t intern_type; |
| 314 typedef char extern_type; |
| 315 typedef mbstate_t state_type; |
| 316 |
| 317 _LIBCPP_ALWAYS_INLINE |
| 318 explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
| 319 codecvt_mode _Mode) |
| 320 : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 321 _Mode_(_Mode) {} |
| 322 protected: |
| 323 virtual result |
| 324 do_out(state_type& __st, |
| 325 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 326 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 327 virtual result |
| 328 do_in(state_type& __st, |
| 329 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 330 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 331 virtual result |
| 332 do_unshift(state_type& __st, |
| 333 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 334 virtual int do_encoding() const throw(); |
| 335 virtual bool do_always_noconv() const throw(); |
| 336 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 337 size_t __mx) const; |
| 338 virtual int do_max_length() const throw(); |
| 339 }; |
| 340 |
| 341 template <> |
| 342 class _LIBCPP_TYPE_VIS __codecvt_utf16<char32_t, false> |
| 343 : public codecvt<char32_t, char, mbstate_t> |
| 344 { |
| 345 unsigned long _Maxcode_; |
| 346 codecvt_mode _Mode_; |
| 347 public: |
| 348 typedef char32_t intern_type; |
| 349 typedef char extern_type; |
| 350 typedef mbstate_t state_type; |
| 351 |
| 352 _LIBCPP_ALWAYS_INLINE |
| 353 explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
| 354 codecvt_mode _Mode) |
| 355 : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 356 _Mode_(_Mode) {} |
| 357 protected: |
| 358 virtual result |
| 359 do_out(state_type& __st, |
| 360 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 361 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 362 virtual result |
| 363 do_in(state_type& __st, |
| 364 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 365 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 366 virtual result |
| 367 do_unshift(state_type& __st, |
| 368 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 369 virtual int do_encoding() const throw(); |
| 370 virtual bool do_always_noconv() const throw(); |
| 371 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 372 size_t __mx) const; |
| 373 virtual int do_max_length() const throw(); |
| 374 }; |
| 375 |
| 376 template <> |
| 377 class _LIBCPP_TYPE_VIS __codecvt_utf16<char32_t, true> |
| 378 : public codecvt<char32_t, char, mbstate_t> |
| 379 { |
| 380 unsigned long _Maxcode_; |
| 381 codecvt_mode _Mode_; |
| 382 public: |
| 383 typedef char32_t intern_type; |
| 384 typedef char extern_type; |
| 385 typedef mbstate_t state_type; |
| 386 |
| 387 _LIBCPP_ALWAYS_INLINE |
| 388 explicit __codecvt_utf16(size_t __refs, unsigned long _Maxcode, |
| 389 codecvt_mode _Mode) |
| 390 : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 391 _Mode_(_Mode) {} |
| 392 protected: |
| 393 virtual result |
| 394 do_out(state_type& __st, |
| 395 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 396 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 397 virtual result |
| 398 do_in(state_type& __st, |
| 399 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 400 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 401 virtual result |
| 402 do_unshift(state_type& __st, |
| 403 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 404 virtual int do_encoding() const throw(); |
| 405 virtual bool do_always_noconv() const throw(); |
| 406 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 407 size_t __mx) const; |
| 408 virtual int do_max_length() const throw(); |
| 409 }; |
| 410 |
| 411 template <class _Elem, unsigned long _Maxcode = 0x10ffff, |
| 412 codecvt_mode _Mode = (codecvt_mode)0> |
| 413 class _LIBCPP_TYPE_VIS_ONLY codecvt_utf16 |
| 414 : public __codecvt_utf16<_Elem, _Mode & little_endian> |
| 415 { |
| 416 public: |
| 417 _LIBCPP_ALWAYS_INLINE |
| 418 explicit codecvt_utf16(size_t __refs = 0) |
| 419 : __codecvt_utf16<_Elem, _Mode & little_endian>(__refs, _Maxcode, _Mode)
{} |
| 420 |
| 421 _LIBCPP_ALWAYS_INLINE |
| 422 ~codecvt_utf16() {} |
| 423 }; |
| 424 |
| 425 // codecvt_utf8_utf16 |
| 426 |
| 427 template <class _Elem> class __codecvt_utf8_utf16; |
| 428 |
| 429 template <> |
| 430 class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<wchar_t> |
| 431 : public codecvt<wchar_t, char, mbstate_t> |
| 432 { |
| 433 unsigned long _Maxcode_; |
| 434 codecvt_mode _Mode_; |
| 435 public: |
| 436 typedef wchar_t intern_type; |
| 437 typedef char extern_type; |
| 438 typedef mbstate_t state_type; |
| 439 |
| 440 _LIBCPP_ALWAYS_INLINE |
| 441 explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, |
| 442 codecvt_mode _Mode) |
| 443 : codecvt<wchar_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 444 _Mode_(_Mode) {} |
| 445 protected: |
| 446 virtual result |
| 447 do_out(state_type& __st, |
| 448 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 449 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 450 virtual result |
| 451 do_in(state_type& __st, |
| 452 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 453 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 454 virtual result |
| 455 do_unshift(state_type& __st, |
| 456 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 457 virtual int do_encoding() const throw(); |
| 458 virtual bool do_always_noconv() const throw(); |
| 459 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 460 size_t __mx) const; |
| 461 virtual int do_max_length() const throw(); |
| 462 }; |
| 463 |
| 464 template <> |
| 465 class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<char32_t> |
| 466 : public codecvt<char32_t, char, mbstate_t> |
| 467 { |
| 468 unsigned long _Maxcode_; |
| 469 codecvt_mode _Mode_; |
| 470 public: |
| 471 typedef char32_t intern_type; |
| 472 typedef char extern_type; |
| 473 typedef mbstate_t state_type; |
| 474 |
| 475 _LIBCPP_ALWAYS_INLINE |
| 476 explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, |
| 477 codecvt_mode _Mode) |
| 478 : codecvt<char32_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 479 _Mode_(_Mode) {} |
| 480 protected: |
| 481 virtual result |
| 482 do_out(state_type& __st, |
| 483 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 484 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 485 virtual result |
| 486 do_in(state_type& __st, |
| 487 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 488 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 489 virtual result |
| 490 do_unshift(state_type& __st, |
| 491 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 492 virtual int do_encoding() const throw(); |
| 493 virtual bool do_always_noconv() const throw(); |
| 494 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 495 size_t __mx) const; |
| 496 virtual int do_max_length() const throw(); |
| 497 }; |
| 498 |
| 499 template <> |
| 500 class _LIBCPP_TYPE_VIS __codecvt_utf8_utf16<char16_t> |
| 501 : public codecvt<char16_t, char, mbstate_t> |
| 502 { |
| 503 unsigned long _Maxcode_; |
| 504 codecvt_mode _Mode_; |
| 505 public: |
| 506 typedef char16_t intern_type; |
| 507 typedef char extern_type; |
| 508 typedef mbstate_t state_type; |
| 509 |
| 510 _LIBCPP_ALWAYS_INLINE |
| 511 explicit __codecvt_utf8_utf16(size_t __refs, unsigned long _Maxcode, |
| 512 codecvt_mode _Mode) |
| 513 : codecvt<char16_t, char, mbstate_t>(__refs), _Maxcode_(_Maxcode), |
| 514 _Mode_(_Mode) {} |
| 515 protected: |
| 516 virtual result |
| 517 do_out(state_type& __st, |
| 518 const intern_type* __frm, const intern_type* __frm_end, const int
ern_type*& __frm_nxt, |
| 519 extern_type* __to, extern_type* __to_end, extern_type*& __to_nxt)
const; |
| 520 virtual result |
| 521 do_in(state_type& __st, |
| 522 const extern_type* __frm, const extern_type* __frm_end, const exte
rn_type*& __frm_nxt, |
| 523 intern_type* __to, intern_type* __to_end, intern_type*& __to_nxt)
const; |
| 524 virtual result |
| 525 do_unshift(state_type& __st, |
| 526 extern_type* __to, extern_type* __to_end, extern_type*& __to_
nxt) const; |
| 527 virtual int do_encoding() const throw(); |
| 528 virtual bool do_always_noconv() const throw(); |
| 529 virtual int do_length(state_type&, const extern_type* __frm, const extern_ty
pe* __end, |
| 530 size_t __mx) const; |
| 531 virtual int do_max_length() const throw(); |
| 532 }; |
| 533 |
| 534 template <class _Elem, unsigned long _Maxcode = 0x10ffff, |
| 535 codecvt_mode _Mode = (codecvt_mode)0> |
| 536 class _LIBCPP_TYPE_VIS_ONLY codecvt_utf8_utf16 |
| 537 : public __codecvt_utf8_utf16<_Elem> |
| 538 { |
| 539 public: |
| 540 _LIBCPP_ALWAYS_INLINE |
| 541 explicit codecvt_utf8_utf16(size_t __refs = 0) |
| 542 : __codecvt_utf8_utf16<_Elem>(__refs, _Maxcode, _Mode) {} |
| 543 |
| 544 _LIBCPP_ALWAYS_INLINE |
| 545 ~codecvt_utf8_utf16() {} |
| 546 }; |
| 547 |
| 548 _LIBCPP_END_NAMESPACE_STD |
| 549 |
| 550 #endif // _LIBCPP_CODECVT |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 75213003:
Add libc++ and libc++abi to third-party. (Closed)
Base URL: https://src.chromium.org/chrome/trunk/src/