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| 1 /* | |
| 2 * Copyright (C) 2010 Apple Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
| 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR | |
| 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | |
| 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | |
| 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR | |
| 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY | |
| 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE | |
| 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 24 */ | |
| 25 | |
| 26 #ifndef StringConcatenate_h | |
| 27 #define StringConcatenate_h | |
| 28 | |
| 29 #include <string.h> | |
| 30 | |
| 31 #ifndef WTFString_h | |
| 32 #include <wtf/text/AtomicString.h> | |
| 33 #endif | |
| 34 | |
| 35 // This macro is helpful for testing how many intermediate Strings are created w
hile evaluating an | |
| 36 // expression containing operator+. | |
| 37 #ifndef WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING | |
| 38 #define WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING() ((void)0) | |
| 39 #endif | |
| 40 | |
| 41 namespace WTF { | |
| 42 | |
| 43 template<typename StringType> | |
| 44 class StringTypeAdapter { | |
| 45 }; | |
| 46 | |
| 47 template<> | |
| 48 class StringTypeAdapter<char> { | |
| 49 public: | |
| 50 StringTypeAdapter<char>(char buffer) | |
| 51 : m_buffer(buffer) | |
| 52 { | |
| 53 } | |
| 54 | |
| 55 unsigned length() { return 1; } | |
| 56 | |
| 57 bool is8Bit() { return true; } | |
| 58 | |
| 59 void writeTo(LChar* destination) | |
| 60 { | |
| 61 *destination = m_buffer; | |
| 62 } | |
| 63 | |
| 64 void writeTo(UChar* destination) { *destination = m_buffer; } | |
| 65 | |
| 66 private: | |
| 67 unsigned char m_buffer; | |
| 68 }; | |
| 69 | |
| 70 template<> | |
| 71 class StringTypeAdapter<LChar> { | |
| 72 public: | |
| 73 StringTypeAdapter<LChar>(LChar buffer) | |
| 74 : m_buffer(buffer) | |
| 75 { | |
| 76 } | |
| 77 | |
| 78 unsigned length() { return 1; } | |
| 79 | |
| 80 bool is8Bit() { return true; } | |
| 81 | |
| 82 void writeTo(LChar* destination) | |
| 83 { | |
| 84 *destination = m_buffer; | |
| 85 } | |
| 86 | |
| 87 void writeTo(UChar* destination) { *destination = m_buffer; } | |
| 88 | |
| 89 private: | |
| 90 LChar m_buffer; | |
| 91 }; | |
| 92 | |
| 93 template<> | |
| 94 class StringTypeAdapter<UChar> { | |
| 95 public: | |
| 96 StringTypeAdapter<UChar>(UChar buffer) | |
| 97 : m_buffer(buffer) | |
| 98 { | |
| 99 } | |
| 100 | |
| 101 unsigned length() { return 1; } | |
| 102 | |
| 103 bool is8Bit() { return m_buffer <= 0xff; } | |
| 104 | |
| 105 void writeTo(LChar* destination) | |
| 106 { | |
| 107 ASSERT(is8Bit()); | |
| 108 *destination = static_cast<LChar>(m_buffer); | |
| 109 } | |
| 110 | |
| 111 void writeTo(UChar* destination) { *destination = m_buffer; } | |
| 112 | |
| 113 private: | |
| 114 UChar m_buffer; | |
| 115 }; | |
| 116 | |
| 117 template<> | |
| 118 class StringTypeAdapter<char*> { | |
| 119 public: | |
| 120 StringTypeAdapter<char*>(char* buffer) | |
| 121 : m_buffer(buffer) | |
| 122 , m_length(strlen(buffer)) | |
| 123 { | |
| 124 } | |
| 125 | |
| 126 unsigned length() { return m_length; } | |
| 127 | |
| 128 bool is8Bit() { return true; } | |
| 129 | |
| 130 void writeTo(LChar* destination) | |
| 131 { | |
| 132 for (unsigned i = 0; i < m_length; ++i) | |
| 133 destination[i] = static_cast<LChar>(m_buffer[i]); | |
| 134 } | |
| 135 | |
| 136 void writeTo(UChar* destination) | |
| 137 { | |
| 138 for (unsigned i = 0; i < m_length; ++i) { | |
| 139 unsigned char c = m_buffer[i]; | |
| 140 destination[i] = c; | |
| 141 } | |
| 142 } | |
| 143 | |
| 144 private: | |
| 145 const char* m_buffer; | |
| 146 unsigned m_length; | |
| 147 }; | |
| 148 | |
| 149 template<> | |
| 150 class StringTypeAdapter<LChar*> { | |
| 151 public: | |
| 152 StringTypeAdapter<LChar*>(LChar* buffer) | |
| 153 : m_buffer(buffer) | |
| 154 , m_length(strlen(reinterpret_cast<char*>(buffer))) | |
| 155 { | |
| 156 } | |
| 157 | |
| 158 unsigned length() { return m_length; } | |
| 159 | |
| 160 bool is8Bit() { return true; } | |
| 161 | |
| 162 void writeTo(LChar* destination) | |
| 163 { | |
| 164 memcpy(destination, m_buffer, m_length * sizeof(LChar)); | |
| 165 } | |
| 166 | |
| 167 void writeTo(UChar* destination) | |
| 168 { | |
| 169 StringImpl::copyChars(destination, m_buffer, m_length); | |
| 170 } | |
| 171 | |
| 172 private: | |
| 173 const LChar* m_buffer; | |
| 174 unsigned m_length; | |
| 175 }; | |
| 176 | |
| 177 template<> | |
| 178 class StringTypeAdapter<const UChar*> { | |
| 179 public: | |
| 180 StringTypeAdapter<const UChar*>(const UChar* buffer) | |
| 181 : m_buffer(buffer) | |
| 182 { | |
| 183 size_t len = 0; | |
| 184 while (m_buffer[len] != UChar(0)) | |
| 185 ++len; | |
| 186 | |
| 187 RELEASE_ASSERT(len <= std::numeric_limits<unsigned>::max()); | |
| 188 | |
| 189 m_length = len; | |
| 190 } | |
| 191 | |
| 192 unsigned length() { return m_length; } | |
| 193 | |
| 194 bool is8Bit() { return false; } | |
| 195 | |
| 196 NO_RETURN_DUE_TO_CRASH void writeTo(LChar*) | |
| 197 { | |
| 198 RELEASE_ASSERT(false); | |
| 199 } | |
| 200 | |
| 201 void writeTo(UChar* destination) | |
| 202 { | |
| 203 memcpy(destination, m_buffer, m_length * sizeof(UChar)); | |
| 204 } | |
| 205 | |
| 206 private: | |
| 207 const UChar* m_buffer; | |
| 208 unsigned m_length; | |
| 209 }; | |
| 210 | |
| 211 template<> | |
| 212 class StringTypeAdapter<const char*> { | |
| 213 public: | |
| 214 StringTypeAdapter<const char*>(const char* buffer) | |
| 215 : m_buffer(buffer) | |
| 216 , m_length(strlen(buffer)) | |
| 217 { | |
| 218 } | |
| 219 | |
| 220 unsigned length() { return m_length; } | |
| 221 | |
| 222 bool is8Bit() { return true; } | |
| 223 | |
| 224 void writeTo(LChar* destination) | |
| 225 { | |
| 226 memcpy(destination, m_buffer, static_cast<size_t>(m_length) * sizeof(LCh
ar)); | |
| 227 } | |
| 228 | |
| 229 void writeTo(UChar* destination) | |
| 230 { | |
| 231 for (unsigned i = 0; i < m_length; ++i) { | |
| 232 unsigned char c = m_buffer[i]; | |
| 233 destination[i] = c; | |
| 234 } | |
| 235 } | |
| 236 | |
| 237 private: | |
| 238 const char* m_buffer; | |
| 239 unsigned m_length; | |
| 240 }; | |
| 241 | |
| 242 template<> | |
| 243 class StringTypeAdapter<const LChar*> { | |
| 244 public: | |
| 245 StringTypeAdapter<const LChar*>(const LChar* buffer) | |
| 246 : m_buffer(buffer) | |
| 247 , m_length(strlen(reinterpret_cast<const char*>(buffer))) | |
| 248 { | |
| 249 } | |
| 250 | |
| 251 unsigned length() { return m_length; } | |
| 252 | |
| 253 bool is8Bit() { return true; } | |
| 254 | |
| 255 void writeTo(LChar* destination) | |
| 256 { | |
| 257 memcpy(destination, m_buffer, static_cast<size_t>(m_length) * sizeof(LCh
ar)); | |
| 258 } | |
| 259 | |
| 260 void writeTo(UChar* destination) | |
| 261 { | |
| 262 StringImpl::copyChars(destination, m_buffer, m_length); | |
| 263 } | |
| 264 | |
| 265 private: | |
| 266 const LChar* m_buffer; | |
| 267 unsigned m_length; | |
| 268 }; | |
| 269 | |
| 270 template<> | |
| 271 class StringTypeAdapter<ASCIILiteral> { | |
| 272 public: | |
| 273 StringTypeAdapter<ASCIILiteral>(ASCIILiteral buffer) | |
| 274 : m_buffer(reinterpret_cast<const LChar*>(static_cast<const char*>(buffe
r))) | |
| 275 , m_length(strlen(buffer)) | |
| 276 { | |
| 277 } | |
| 278 | |
| 279 size_t length() { return m_length; } | |
| 280 | |
| 281 bool is8Bit() { return true; } | |
| 282 | |
| 283 void writeTo(LChar* destination) | |
| 284 { | |
| 285 memcpy(destination, m_buffer, static_cast<size_t>(m_length)); | |
| 286 } | |
| 287 | |
| 288 void writeTo(UChar* destination) | |
| 289 { | |
| 290 StringImpl::copyChars(destination, m_buffer, m_length); | |
| 291 } | |
| 292 | |
| 293 private: | |
| 294 const LChar* m_buffer; | |
| 295 unsigned m_length; | |
| 296 }; | |
| 297 | |
| 298 template<> | |
| 299 class StringTypeAdapter<Vector<char> > { | |
| 300 public: | |
| 301 StringTypeAdapter<Vector<char> >(const Vector<char>& buffer) | |
| 302 : m_buffer(buffer) | |
| 303 { | |
| 304 } | |
| 305 | |
| 306 size_t length() { return m_buffer.size(); } | |
| 307 | |
| 308 bool is8Bit() { return true; } | |
| 309 | |
| 310 void writeTo(LChar* destination) | |
| 311 { | |
| 312 for (size_t i = 0; i < m_buffer.size(); ++i) | |
| 313 destination[i] = static_cast<unsigned char>(m_buffer[i]); | |
| 314 } | |
| 315 | |
| 316 void writeTo(UChar* destination) | |
| 317 { | |
| 318 for (size_t i = 0; i < m_buffer.size(); ++i) | |
| 319 destination[i] = static_cast<unsigned char>(m_buffer[i]); | |
| 320 } | |
| 321 | |
| 322 private: | |
| 323 const Vector<char>& m_buffer; | |
| 324 }; | |
| 325 | |
| 326 template<> | |
| 327 class StringTypeAdapter<Vector<LChar> > { | |
| 328 public: | |
| 329 StringTypeAdapter<Vector<LChar> >(const Vector<LChar>& buffer) | |
| 330 : m_buffer(buffer) | |
| 331 { | |
| 332 } | |
| 333 | |
| 334 size_t length() { return m_buffer.size(); } | |
| 335 | |
| 336 bool is8Bit() { return true; } | |
| 337 | |
| 338 void writeTo(LChar* destination) | |
| 339 { | |
| 340 for (size_t i = 0; i < m_buffer.size(); ++i) | |
| 341 destination[i] = m_buffer[i]; | |
| 342 } | |
| 343 | |
| 344 void writeTo(UChar* destination) | |
| 345 { | |
| 346 for (size_t i = 0; i < m_buffer.size(); ++i) | |
| 347 destination[i] = m_buffer[i]; | |
| 348 } | |
| 349 | |
| 350 private: | |
| 351 const Vector<LChar>& m_buffer; | |
| 352 }; | |
| 353 | |
| 354 template<> | |
| 355 class StringTypeAdapter<String> { | |
| 356 public: | |
| 357 StringTypeAdapter<String>(const String& string) | |
| 358 : m_buffer(string) | |
| 359 { | |
| 360 } | |
| 361 | |
| 362 unsigned length() { return m_buffer.length(); } | |
| 363 | |
| 364 bool is8Bit() { return m_buffer.isNull() || m_buffer.is8Bit(); } | |
| 365 | |
| 366 void writeTo(LChar* destination) | |
| 367 { | |
| 368 unsigned length = m_buffer.length(); | |
| 369 | |
| 370 ASSERT(is8Bit()); | |
| 371 const LChar* data = m_buffer.characters8(); | |
| 372 for (unsigned i = 0; i < length; ++i) | |
| 373 destination[i] = data[i]; | |
| 374 | |
| 375 WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING(); | |
| 376 } | |
| 377 | |
| 378 void writeTo(UChar* destination) | |
| 379 { | |
| 380 unsigned length = m_buffer.length(); | |
| 381 | |
| 382 if (is8Bit()) { | |
| 383 const LChar* data = m_buffer.characters8(); | |
| 384 for (unsigned i = 0; i < length; ++i) | |
| 385 destination[i] = data[i]; | |
| 386 } else { | |
| 387 const UChar* data = m_buffer.characters16(); | |
| 388 for (unsigned i = 0; i < length; ++i) | |
| 389 destination[i] = data[i]; | |
| 390 } | |
| 391 | |
| 392 WTF_STRINGTYPEADAPTER_COPIED_WTF_STRING(); | |
| 393 } | |
| 394 | |
| 395 private: | |
| 396 const String& m_buffer; | |
| 397 }; | |
| 398 | |
| 399 template<> | |
| 400 class StringTypeAdapter<AtomicString> { | |
| 401 public: | |
| 402 StringTypeAdapter<AtomicString>(const AtomicString& string) | |
| 403 : m_adapter(string.string()) | |
| 404 { | |
| 405 } | |
| 406 | |
| 407 unsigned length() { return m_adapter.length(); } | |
| 408 | |
| 409 bool is8Bit() { return m_adapter.is8Bit(); } | |
| 410 | |
| 411 void writeTo(LChar* destination) { m_adapter.writeTo(destination); } | |
| 412 void writeTo(UChar* destination) { m_adapter.writeTo(destination); } | |
| 413 | |
| 414 private: | |
| 415 StringTypeAdapter<String> m_adapter; | |
| 416 }; | |
| 417 | |
| 418 inline void sumWithOverflow(unsigned& total, unsigned addend, bool& overflow) | |
| 419 { | |
| 420 unsigned oldTotal = total; | |
| 421 total = oldTotal + addend; | |
| 422 if (total < oldTotal) | |
| 423 overflow = true; | |
| 424 } | |
| 425 | |
| 426 template<typename StringType1, typename StringType2> | |
| 427 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2) | |
| 428 { | |
| 429 StringTypeAdapter<StringType1> adapter1(string1); | |
| 430 StringTypeAdapter<StringType2> adapter2(string2); | |
| 431 | |
| 432 bool overflow = false; | |
| 433 unsigned length = adapter1.length(); | |
| 434 sumWithOverflow(length, adapter2.length(), overflow); | |
| 435 if (overflow) | |
| 436 return 0; | |
| 437 | |
| 438 if (adapter1.is8Bit() && adapter2.is8Bit()) { | |
| 439 LChar* buffer; | |
| 440 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 441 if (!resultImpl) | |
| 442 return 0; | |
| 443 | |
| 444 LChar* result = buffer; | |
| 445 adapter1.writeTo(result); | |
| 446 result += adapter1.length(); | |
| 447 adapter2.writeTo(result); | |
| 448 | |
| 449 return resultImpl.release(); | |
| 450 } | |
| 451 | |
| 452 UChar* buffer; | |
| 453 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 454 if (!resultImpl) | |
| 455 return 0; | |
| 456 | |
| 457 UChar* result = buffer; | |
| 458 adapter1.writeTo(result); | |
| 459 result += adapter1.length(); | |
| 460 adapter2.writeTo(result); | |
| 461 | |
| 462 return resultImpl.release(); | |
| 463 } | |
| 464 | |
| 465 template<typename StringType1, typename StringType2, typename StringType3> | |
| 466 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, S
tringType3 string3) | |
| 467 { | |
| 468 StringTypeAdapter<StringType1> adapter1(string1); | |
| 469 StringTypeAdapter<StringType2> adapter2(string2); | |
| 470 StringTypeAdapter<StringType3> adapter3(string3); | |
| 471 | |
| 472 bool overflow = false; | |
| 473 unsigned length = adapter1.length(); | |
| 474 sumWithOverflow(length, adapter2.length(), overflow); | |
| 475 sumWithOverflow(length, adapter3.length(), overflow); | |
| 476 if (overflow) | |
| 477 return 0; | |
| 478 | |
| 479 if (adapter1.is8Bit() && adapter2.is8Bit() && adapter3.is8Bit()) { | |
| 480 LChar* buffer; | |
| 481 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 482 if (!resultImpl) | |
| 483 return 0; | |
| 484 | |
| 485 LChar* result = buffer; | |
| 486 adapter1.writeTo(result); | |
| 487 result += adapter1.length(); | |
| 488 adapter2.writeTo(result); | |
| 489 result += adapter2.length(); | |
| 490 adapter3.writeTo(result); | |
| 491 | |
| 492 return resultImpl.release(); | |
| 493 } | |
| 494 | |
| 495 UChar* buffer = 0; | |
| 496 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 497 if (!resultImpl) | |
| 498 return 0; | |
| 499 | |
| 500 UChar* result = buffer; | |
| 501 adapter1.writeTo(result); | |
| 502 result += adapter1.length(); | |
| 503 adapter2.writeTo(result); | |
| 504 result += adapter2.length(); | |
| 505 adapter3.writeTo(result); | |
| 506 | |
| 507 return resultImpl.release(); | |
| 508 } | |
| 509 | |
| 510 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4> | |
| 511 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, S
tringType3 string3, StringType4 string4) | |
| 512 { | |
| 513 StringTypeAdapter<StringType1> adapter1(string1); | |
| 514 StringTypeAdapter<StringType2> adapter2(string2); | |
| 515 StringTypeAdapter<StringType3> adapter3(string3); | |
| 516 StringTypeAdapter<StringType4> adapter4(string4); | |
| 517 | |
| 518 bool overflow = false; | |
| 519 unsigned length = adapter1.length(); | |
| 520 sumWithOverflow(length, adapter2.length(), overflow); | |
| 521 sumWithOverflow(length, adapter3.length(), overflow); | |
| 522 sumWithOverflow(length, adapter4.length(), overflow); | |
| 523 if (overflow) | |
| 524 return 0; | |
| 525 | |
| 526 if (adapter1.is8Bit() && adapter2.is8Bit() && adapter3.is8Bit() && adapter4.
is8Bit()) { | |
| 527 LChar* buffer; | |
| 528 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 529 if (!resultImpl) | |
| 530 return 0; | |
| 531 | |
| 532 LChar* result = buffer; | |
| 533 adapter1.writeTo(result); | |
| 534 result += adapter1.length(); | |
| 535 adapter2.writeTo(result); | |
| 536 result += adapter2.length(); | |
| 537 adapter3.writeTo(result); | |
| 538 result += adapter3.length(); | |
| 539 adapter4.writeTo(result); | |
| 540 | |
| 541 return resultImpl.release(); | |
| 542 } | |
| 543 | |
| 544 UChar* buffer; | |
| 545 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 546 if (!resultImpl) | |
| 547 return 0; | |
| 548 | |
| 549 UChar* result = buffer; | |
| 550 adapter1.writeTo(result); | |
| 551 result += adapter1.length(); | |
| 552 adapter2.writeTo(result); | |
| 553 result += adapter2.length(); | |
| 554 adapter3.writeTo(result); | |
| 555 result += adapter3.length(); | |
| 556 adapter4.writeTo(result); | |
| 557 | |
| 558 return resultImpl.release(); | |
| 559 } | |
| 560 | |
| 561 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5> | |
| 562 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, S
tringType3 string3, StringType4 string4, StringType5 string5) | |
| 563 { | |
| 564 StringTypeAdapter<StringType1> adapter1(string1); | |
| 565 StringTypeAdapter<StringType2> adapter2(string2); | |
| 566 StringTypeAdapter<StringType3> adapter3(string3); | |
| 567 StringTypeAdapter<StringType4> adapter4(string4); | |
| 568 StringTypeAdapter<StringType5> adapter5(string5); | |
| 569 | |
| 570 bool overflow = false; | |
| 571 unsigned length = adapter1.length(); | |
| 572 sumWithOverflow(length, adapter2.length(), overflow); | |
| 573 sumWithOverflow(length, adapter3.length(), overflow); | |
| 574 sumWithOverflow(length, adapter4.length(), overflow); | |
| 575 sumWithOverflow(length, adapter5.length(), overflow); | |
| 576 if (overflow) | |
| 577 return 0; | |
| 578 | |
| 579 if (adapter1.is8Bit() && adapter2.is8Bit() && adapter3.is8Bit() && adapter4.
is8Bit() && adapter5.is8Bit()) { | |
| 580 LChar* buffer; | |
| 581 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 582 if (!resultImpl) | |
| 583 return 0; | |
| 584 | |
| 585 LChar* result = buffer; | |
| 586 adapter1.writeTo(result); | |
| 587 result += adapter1.length(); | |
| 588 adapter2.writeTo(result); | |
| 589 result += adapter2.length(); | |
| 590 adapter3.writeTo(result); | |
| 591 result += adapter3.length(); | |
| 592 adapter4.writeTo(result); | |
| 593 result += adapter4.length(); | |
| 594 adapter5.writeTo(result); | |
| 595 | |
| 596 return resultImpl.release(); | |
| 597 } | |
| 598 | |
| 599 UChar* buffer; | |
| 600 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 601 if (!resultImpl) | |
| 602 return 0; | |
| 603 | |
| 604 UChar* result = buffer; | |
| 605 adapter1.writeTo(result); | |
| 606 result += adapter1.length(); | |
| 607 adapter2.writeTo(result); | |
| 608 result += adapter2.length(); | |
| 609 adapter3.writeTo(result); | |
| 610 result += adapter3.length(); | |
| 611 adapter4.writeTo(result); | |
| 612 result += adapter4.length(); | |
| 613 adapter5.writeTo(result); | |
| 614 | |
| 615 return resultImpl.release(); | |
| 616 } | |
| 617 | |
| 618 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6> | |
| 619 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, S
tringType3 string3, StringType4 string4, StringType5 string5, StringType6 string
6) | |
| 620 { | |
| 621 StringTypeAdapter<StringType1> adapter1(string1); | |
| 622 StringTypeAdapter<StringType2> adapter2(string2); | |
| 623 StringTypeAdapter<StringType3> adapter3(string3); | |
| 624 StringTypeAdapter<StringType4> adapter4(string4); | |
| 625 StringTypeAdapter<StringType5> adapter5(string5); | |
| 626 StringTypeAdapter<StringType6> adapter6(string6); | |
| 627 | |
| 628 bool overflow = false; | |
| 629 unsigned length = adapter1.length(); | |
| 630 sumWithOverflow(length, adapter2.length(), overflow); | |
| 631 sumWithOverflow(length, adapter3.length(), overflow); | |
| 632 sumWithOverflow(length, adapter4.length(), overflow); | |
| 633 sumWithOverflow(length, adapter5.length(), overflow); | |
| 634 sumWithOverflow(length, adapter6.length(), overflow); | |
| 635 if (overflow) | |
| 636 return 0; | |
| 637 | |
| 638 if (adapter1.is8Bit() && adapter2.is8Bit() && adapter3.is8Bit() && adapter4.
is8Bit() && adapter5.is8Bit() && adapter6.is8Bit()) { | |
| 639 LChar* buffer; | |
| 640 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 641 if (!resultImpl) | |
| 642 return 0; | |
| 643 | |
| 644 LChar* result = buffer; | |
| 645 adapter1.writeTo(result); | |
| 646 result += adapter1.length(); | |
| 647 adapter2.writeTo(result); | |
| 648 result += adapter2.length(); | |
| 649 adapter3.writeTo(result); | |
| 650 result += adapter3.length(); | |
| 651 adapter4.writeTo(result); | |
| 652 result += adapter4.length(); | |
| 653 adapter5.writeTo(result); | |
| 654 result += adapter5.length(); | |
| 655 adapter6.writeTo(result); | |
| 656 | |
| 657 return resultImpl.release(); | |
| 658 } | |
| 659 | |
| 660 UChar* buffer; | |
| 661 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 662 if (!resultImpl) | |
| 663 return 0; | |
| 664 | |
| 665 UChar* result = buffer; | |
| 666 adapter1.writeTo(result); | |
| 667 result += adapter1.length(); | |
| 668 adapter2.writeTo(result); | |
| 669 result += adapter2.length(); | |
| 670 adapter3.writeTo(result); | |
| 671 result += adapter3.length(); | |
| 672 adapter4.writeTo(result); | |
| 673 result += adapter4.length(); | |
| 674 adapter5.writeTo(result); | |
| 675 result += adapter5.length(); | |
| 676 adapter6.writeTo(result); | |
| 677 | |
| 678 return resultImpl.release(); | |
| 679 } | |
| 680 | |
| 681 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6, typename StringType
7> | |
| 682 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, S
tringType3 string3, StringType4 string4, StringType5 string5, StringType6 string
6, StringType7 string7) | |
| 683 { | |
| 684 StringTypeAdapter<StringType1> adapter1(string1); | |
| 685 StringTypeAdapter<StringType2> adapter2(string2); | |
| 686 StringTypeAdapter<StringType3> adapter3(string3); | |
| 687 StringTypeAdapter<StringType4> adapter4(string4); | |
| 688 StringTypeAdapter<StringType5> adapter5(string5); | |
| 689 StringTypeAdapter<StringType6> adapter6(string6); | |
| 690 StringTypeAdapter<StringType7> adapter7(string7); | |
| 691 | |
| 692 bool overflow = false; | |
| 693 unsigned length = adapter1.length(); | |
| 694 sumWithOverflow(length, adapter2.length(), overflow); | |
| 695 sumWithOverflow(length, adapter3.length(), overflow); | |
| 696 sumWithOverflow(length, adapter4.length(), overflow); | |
| 697 sumWithOverflow(length, adapter5.length(), overflow); | |
| 698 sumWithOverflow(length, adapter6.length(), overflow); | |
| 699 sumWithOverflow(length, adapter7.length(), overflow); | |
| 700 if (overflow) | |
| 701 return 0; | |
| 702 | |
| 703 if (adapter1.is8Bit() && adapter2.is8Bit() && adapter3.is8Bit() && adapter4.
is8Bit() && adapter5.is8Bit() && adapter6.is8Bit()) { | |
| 704 LChar* buffer; | |
| 705 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 706 if (!resultImpl) | |
| 707 return 0; | |
| 708 | |
| 709 LChar* result = buffer; | |
| 710 adapter1.writeTo(result); | |
| 711 result += adapter1.length(); | |
| 712 adapter2.writeTo(result); | |
| 713 result += adapter2.length(); | |
| 714 adapter3.writeTo(result); | |
| 715 result += adapter3.length(); | |
| 716 adapter4.writeTo(result); | |
| 717 result += adapter4.length(); | |
| 718 adapter5.writeTo(result); | |
| 719 result += adapter5.length(); | |
| 720 adapter6.writeTo(result); | |
| 721 result += adapter6.length(); | |
| 722 adapter7.writeTo(result); | |
| 723 | |
| 724 return resultImpl.release(); | |
| 725 } | |
| 726 | |
| 727 UChar* buffer; | |
| 728 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 729 if (!resultImpl) | |
| 730 return 0; | |
| 731 | |
| 732 UChar* result = buffer; | |
| 733 adapter1.writeTo(result); | |
| 734 result += adapter1.length(); | |
| 735 adapter2.writeTo(result); | |
| 736 result += adapter2.length(); | |
| 737 adapter3.writeTo(result); | |
| 738 result += adapter3.length(); | |
| 739 adapter4.writeTo(result); | |
| 740 result += adapter4.length(); | |
| 741 adapter5.writeTo(result); | |
| 742 result += adapter5.length(); | |
| 743 adapter6.writeTo(result); | |
| 744 result += adapter6.length(); | |
| 745 adapter7.writeTo(result); | |
| 746 | |
| 747 return resultImpl.release(); | |
| 748 } | |
| 749 | |
| 750 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6, typename StringType
7, typename StringType8> | |
| 751 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, S
tringType3 string3, StringType4 string4, StringType5 string5, StringType6 string
6, StringType7 string7, StringType8 string8) | |
| 752 { | |
| 753 StringTypeAdapter<StringType1> adapter1(string1); | |
| 754 StringTypeAdapter<StringType2> adapter2(string2); | |
| 755 StringTypeAdapter<StringType3> adapter3(string3); | |
| 756 StringTypeAdapter<StringType4> adapter4(string4); | |
| 757 StringTypeAdapter<StringType5> adapter5(string5); | |
| 758 StringTypeAdapter<StringType6> adapter6(string6); | |
| 759 StringTypeAdapter<StringType7> adapter7(string7); | |
| 760 StringTypeAdapter<StringType8> adapter8(string8); | |
| 761 | |
| 762 bool overflow = false; | |
| 763 unsigned length = adapter1.length(); | |
| 764 sumWithOverflow(length, adapter2.length(), overflow); | |
| 765 sumWithOverflow(length, adapter3.length(), overflow); | |
| 766 sumWithOverflow(length, adapter4.length(), overflow); | |
| 767 sumWithOverflow(length, adapter5.length(), overflow); | |
| 768 sumWithOverflow(length, adapter6.length(), overflow); | |
| 769 sumWithOverflow(length, adapter7.length(), overflow); | |
| 770 sumWithOverflow(length, adapter8.length(), overflow); | |
| 771 if (overflow) | |
| 772 return 0; | |
| 773 | |
| 774 if (adapter1.is8Bit() && adapter2.is8Bit() && adapter3.is8Bit() && adapter4.
is8Bit() && adapter5.is8Bit() && adapter6.is8Bit() && adapter7.is8Bit() && adapt
er8.is8Bit()) { | |
| 775 LChar* buffer; | |
| 776 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 777 if (!resultImpl) | |
| 778 return 0; | |
| 779 | |
| 780 LChar* result = buffer; | |
| 781 adapter1.writeTo(result); | |
| 782 result += adapter1.length(); | |
| 783 adapter2.writeTo(result); | |
| 784 result += adapter2.length(); | |
| 785 adapter3.writeTo(result); | |
| 786 result += adapter3.length(); | |
| 787 adapter4.writeTo(result); | |
| 788 result += adapter4.length(); | |
| 789 adapter5.writeTo(result); | |
| 790 result += adapter5.length(); | |
| 791 adapter6.writeTo(result); | |
| 792 result += adapter6.length(); | |
| 793 adapter7.writeTo(result); | |
| 794 result += adapter7.length(); | |
| 795 adapter8.writeTo(result); | |
| 796 | |
| 797 return resultImpl.release(); | |
| 798 } | |
| 799 | |
| 800 UChar* buffer; | |
| 801 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 802 if (!resultImpl) | |
| 803 return 0; | |
| 804 | |
| 805 UChar* result = buffer; | |
| 806 adapter1.writeTo(result); | |
| 807 result += adapter1.length(); | |
| 808 adapter2.writeTo(result); | |
| 809 result += adapter2.length(); | |
| 810 adapter3.writeTo(result); | |
| 811 result += adapter3.length(); | |
| 812 adapter4.writeTo(result); | |
| 813 result += adapter4.length(); | |
| 814 adapter5.writeTo(result); | |
| 815 result += adapter5.length(); | |
| 816 adapter6.writeTo(result); | |
| 817 result += adapter6.length(); | |
| 818 adapter7.writeTo(result); | |
| 819 result += adapter7.length(); | |
| 820 adapter8.writeTo(result); | |
| 821 | |
| 822 return resultImpl.release(); | |
| 823 } | |
| 824 | |
| 825 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6, typename StringType
7, typename StringType8, typename StringType9> | |
| 826 PassRefPtr<StringImpl> tryMakeString(StringType1 string1, StringType2 string2, S
tringType3 string3, StringType4 string4, StringType5 string5, StringType6 string
6, StringType7 string7, StringType8 string8, StringType9 string9) | |
| 827 { | |
| 828 StringTypeAdapter<StringType1> adapter1(string1); | |
| 829 StringTypeAdapter<StringType2> adapter2(string2); | |
| 830 StringTypeAdapter<StringType3> adapter3(string3); | |
| 831 StringTypeAdapter<StringType4> adapter4(string4); | |
| 832 StringTypeAdapter<StringType5> adapter5(string5); | |
| 833 StringTypeAdapter<StringType6> adapter6(string6); | |
| 834 StringTypeAdapter<StringType7> adapter7(string7); | |
| 835 StringTypeAdapter<StringType8> adapter8(string8); | |
| 836 StringTypeAdapter<StringType9> adapter9(string9); | |
| 837 | |
| 838 bool overflow = false; | |
| 839 unsigned length = adapter1.length(); | |
| 840 sumWithOverflow(length, adapter2.length(), overflow); | |
| 841 sumWithOverflow(length, adapter3.length(), overflow); | |
| 842 sumWithOverflow(length, adapter4.length(), overflow); | |
| 843 sumWithOverflow(length, adapter5.length(), overflow); | |
| 844 sumWithOverflow(length, adapter6.length(), overflow); | |
| 845 sumWithOverflow(length, adapter7.length(), overflow); | |
| 846 sumWithOverflow(length, adapter8.length(), overflow); | |
| 847 sumWithOverflow(length, adapter9.length(), overflow); | |
| 848 if (overflow) | |
| 849 return 0; | |
| 850 | |
| 851 if (adapter1.is8Bit() && adapter2.is8Bit() && adapter3.is8Bit() && adapter4.
is8Bit() && adapter5.is8Bit() && adapter6.is8Bit() && adapter7.is8Bit() && adapt
er8.is8Bit() && adapter9.is8Bit()) { | |
| 852 LChar* buffer; | |
| 853 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(lengt
h, buffer); | |
| 854 if (!resultImpl) | |
| 855 return 0; | |
| 856 | |
| 857 LChar* result = buffer; | |
| 858 adapter1.writeTo(result); | |
| 859 result += adapter1.length(); | |
| 860 adapter2.writeTo(result); | |
| 861 result += adapter2.length(); | |
| 862 adapter3.writeTo(result); | |
| 863 result += adapter3.length(); | |
| 864 adapter4.writeTo(result); | |
| 865 result += adapter4.length(); | |
| 866 adapter5.writeTo(result); | |
| 867 result += adapter5.length(); | |
| 868 adapter6.writeTo(result); | |
| 869 result += adapter6.length(); | |
| 870 adapter7.writeTo(result); | |
| 871 result += adapter7.length(); | |
| 872 adapter8.writeTo(result); | |
| 873 result += adapter8.length(); | |
| 874 adapter9.writeTo(result); | |
| 875 | |
| 876 return resultImpl.release(); | |
| 877 } | |
| 878 | |
| 879 UChar* buffer; | |
| 880 RefPtr<StringImpl> resultImpl = StringImpl::tryCreateUninitialized(length, b
uffer); | |
| 881 if (!resultImpl) | |
| 882 return 0; | |
| 883 | |
| 884 UChar* result = buffer; | |
| 885 adapter1.writeTo(result); | |
| 886 result += adapter1.length(); | |
| 887 adapter2.writeTo(result); | |
| 888 result += adapter2.length(); | |
| 889 adapter3.writeTo(result); | |
| 890 result += adapter3.length(); | |
| 891 adapter4.writeTo(result); | |
| 892 result += adapter4.length(); | |
| 893 adapter5.writeTo(result); | |
| 894 result += adapter5.length(); | |
| 895 adapter6.writeTo(result); | |
| 896 result += adapter6.length(); | |
| 897 adapter7.writeTo(result); | |
| 898 result += adapter7.length(); | |
| 899 adapter8.writeTo(result); | |
| 900 result += adapter8.length(); | |
| 901 adapter9.writeTo(result); | |
| 902 | |
| 903 return resultImpl.release(); | |
| 904 } | |
| 905 | |
| 906 | |
| 907 // Convenience only. | |
| 908 template<typename StringType1> | |
| 909 String makeString(StringType1 string1) | |
| 910 { | |
| 911 return String(string1); | |
| 912 } | |
| 913 | |
| 914 template<typename StringType1, typename StringType2> | |
| 915 String makeString(StringType1 string1, StringType2 string2) | |
| 916 { | |
| 917 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2); | |
| 918 RELEASE_ASSERT(resultImpl); | |
| 919 return resultImpl.release(); | |
| 920 } | |
| 921 | |
| 922 template<typename StringType1, typename StringType2, typename StringType3> | |
| 923 String makeString(StringType1 string1, StringType2 string2, StringType3 string3) | |
| 924 { | |
| 925 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3); | |
| 926 RELEASE_ASSERT(resultImpl); | |
| 927 return resultImpl.release(); | |
| 928 } | |
| 929 | |
| 930 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4> | |
| 931 String makeString(StringType1 string1, StringType2 string2, StringType3 string3,
StringType4 string4) | |
| 932 { | |
| 933 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, str
ing4); | |
| 934 RELEASE_ASSERT(resultImpl); | |
| 935 return resultImpl.release(); | |
| 936 } | |
| 937 | |
| 938 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5> | |
| 939 String makeString(StringType1 string1, StringType2 string2, StringType3 string3,
StringType4 string4, StringType5 string5) | |
| 940 { | |
| 941 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, str
ing4, string5); | |
| 942 RELEASE_ASSERT(resultImpl); | |
| 943 return resultImpl.release(); | |
| 944 } | |
| 945 | |
| 946 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6> | |
| 947 String makeString(StringType1 string1, StringType2 string2, StringType3 string3,
StringType4 string4, StringType5 string5, StringType6 string6) | |
| 948 { | |
| 949 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, str
ing4, string5, string6); | |
| 950 RELEASE_ASSERT(resultImpl); | |
| 951 return resultImpl.release(); | |
| 952 } | |
| 953 | |
| 954 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6, typename StringType
7> | |
| 955 String makeString(StringType1 string1, StringType2 string2, StringType3 string3,
StringType4 string4, StringType5 string5, StringType6 string6, StringType7 stri
ng7) | |
| 956 { | |
| 957 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, str
ing4, string5, string6, string7); | |
| 958 RELEASE_ASSERT(resultImpl); | |
| 959 return resultImpl.release(); | |
| 960 } | |
| 961 | |
| 962 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6, typename StringType
7, typename StringType8> | |
| 963 String makeString(StringType1 string1, StringType2 string2, StringType3 string3,
StringType4 string4, StringType5 string5, StringType6 string6, StringType7 stri
ng7, StringType8 string8) | |
| 964 { | |
| 965 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, str
ing4, string5, string6, string7, string8); | |
| 966 RELEASE_ASSERT(resultImpl); | |
| 967 return resultImpl.release(); | |
| 968 } | |
| 969 | |
| 970 template<typename StringType1, typename StringType2, typename StringType3, typen
ame StringType4, typename StringType5, typename StringType6, typename StringType
7, typename StringType8, typename StringType9> | |
| 971 String makeString(StringType1 string1, StringType2 string2, StringType3 string3,
StringType4 string4, StringType5 string5, StringType6 string6, StringType7 stri
ng7, StringType8 string8, StringType9 string9) | |
| 972 { | |
| 973 RefPtr<StringImpl> resultImpl = tryMakeString(string1, string2, string3, str
ing4, string5, string6, string7, string8, string9); | |
| 974 RELEASE_ASSERT(resultImpl); | |
| 975 return resultImpl.release(); | |
| 976 } | |
| 977 | |
| 978 } // namespace WTF | |
| 979 | |
| 980 using WTF::makeString; | |
| 981 | |
| 982 #include <wtf/text/StringOperators.h> | |
| 983 #endif | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 14238015:
Move Source/WTF/wtf to Source/wtf (Closed)
Base URL: svn://svn.chromium.org/blink/trunk