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| 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | |
| 2 // for details. All rights reserved. Use of this source code is governed by a | |
| 3 // BSD-style license that can be found in the LICENSE file. | |
| 4 | |
| 5 /** | |
| 6 * [_StringBase] contains common methods used by concrete String | |
| 7 * implementations, e.g., _OneByteString. | |
| 8 */ | |
| 9 class _StringBase { | |
| 10 | |
| 11 factory _StringBase._uninstantiable() { | |
| 12 throw new UnsupportedError( | |
| 13 "_StringBase can't be instaniated"); | |
| 14 } | |
| 15 | |
| 16 int get hashCode native "String_getHashCode"; | |
| 17 | |
| 18 /** | |
| 19 * Create the most efficient string representation for specified | |
| 20 * [codePoints]. | |
| 21 */ | |
| 22 static String createFromCharCodes(Iterable<int> charCodes) { | |
| 23 if (charCodes is! _ObjectArray && charCodes is! _GrowableObjectArray) { | |
| 24 charCodes = new List<int>.from(charCodes, growable: false); | |
| 25 } | |
| 26 return _createFromCodePoints(charCodes); | |
| 27 } | |
| 28 | |
| 29 static String _createFromCodePoints(List<int> codePoints) | |
| 30 native "StringBase_createFromCodePoints"; | |
| 31 | |
| 32 String operator [](int index) native "String_charAt"; | |
| 33 | |
| 34 int codeUnitAt(int index) native "String_codeUnitAt"; | |
| 35 | |
| 36 int get length native "String_getLength"; | |
| 37 | |
| 38 bool get isEmpty { | |
| 39 return this.length == 0; | |
| 40 } | |
| 41 | |
| 42 String operator +(String other) native "String_concat"; | |
| 43 | |
| 44 String concat(String other) => this + other; | |
| 45 | |
| 46 String toString() { | |
| 47 return this; | |
| 48 } | |
| 49 | |
| 50 bool operator ==(Object other) { | |
| 51 if (identical(this, other)) { | |
| 52 return true; | |
| 53 } | |
| 54 if ((other is !String) || | |
| 55 (this.length != other.length)) { | |
| 56 // TODO(5413632): Compare hash codes when both are present. | |
| 57 return false; | |
| 58 } | |
| 59 return this.compareTo(other) == 0; | |
| 60 } | |
| 61 | |
| 62 int compareTo(String other) { | |
| 63 int thisLength = this.length; | |
| 64 int otherLength = other.length; | |
| 65 int len = (thisLength < otherLength) ? thisLength : otherLength; | |
| 66 for (int i = 0; i < len; i++) { | |
| 67 int thisCodePoint = this.codeUnitAt(i); | |
| 68 int otherCodePoint = other.codeUnitAt(i); | |
| 69 if (thisCodePoint < otherCodePoint) { | |
| 70 return -1; | |
| 71 } | |
| 72 if (thisCodePoint > otherCodePoint) { | |
| 73 return 1; | |
| 74 } | |
| 75 } | |
| 76 if (thisLength < otherLength) return -1; | |
| 77 if (thisLength > otherLength) return 1; | |
| 78 return 0; | |
| 79 } | |
| 80 | |
| 81 bool _substringMatches(int start, String other) { | |
| 82 if (other.isEmpty) return true; | |
| 83 if ((start < 0) || (start >= this.length)) { | |
| 84 return false; | |
| 85 } | |
| 86 final int len = other.length; | |
| 87 if ((start + len) > this.length) { | |
| 88 return false; | |
| 89 } | |
| 90 for (int i = 0; i < len; i++) { | |
| 91 if (this.codeUnitAt(i + start) != other.codeUnitAt(i)) { | |
| 92 return false; | |
| 93 } | |
| 94 } | |
| 95 return true; | |
| 96 } | |
| 97 | |
| 98 bool endsWith(String other) { | |
| 99 return _substringMatches(this.length - other.length, other); | |
| 100 } | |
| 101 | |
| 102 bool startsWith(String other) { | |
| 103 return _substringMatches(0, other); | |
| 104 } | |
| 105 | |
| 106 int indexOf(String other, [int start = 0]) { | |
| 107 if (other.isEmpty) { | |
| 108 return start < this.length ? start : this.length; | |
| 109 } | |
| 110 if ((start < 0) || (start >= this.length)) { | |
| 111 return -1; | |
| 112 } | |
| 113 int len = this.length - other.length + 1; | |
| 114 for (int index = start; index < len; index++) { | |
| 115 if (_substringMatches(index, other)) { | |
| 116 return index; | |
| 117 } | |
| 118 } | |
| 119 return -1; | |
| 120 } | |
| 121 | |
| 122 int lastIndexOf(String other, [int start = null]) { | |
| 123 if (start == null) start = length - 1; | |
| 124 if (other.isEmpty) { | |
| 125 return min(this.length, start); | |
| 126 } | |
| 127 if (start >= this.length) { | |
| 128 start = this.length - 1; | |
| 129 } | |
| 130 for (int index = start; index >= 0; index--) { | |
| 131 if (_substringMatches(index, other)) { | |
| 132 return index; | |
| 133 } | |
| 134 } | |
| 135 return -1; | |
| 136 } | |
| 137 | |
| 138 String substring(int startIndex, [int endIndex]) { | |
| 139 if (endIndex == null) endIndex = this.length; | |
| 140 | |
| 141 if ((startIndex < 0) || (startIndex > this.length)) { | |
| 142 throw new RangeError.value(startIndex); | |
| 143 } | |
| 144 if ((endIndex < 0) || (endIndex > this.length)) { | |
| 145 throw new RangeError.value(endIndex); | |
| 146 } | |
| 147 if (startIndex > endIndex) { | |
| 148 throw new RangeError.value(startIndex); | |
| 149 } | |
| 150 return _substringUnchecked(startIndex, endIndex); | |
| 151 } | |
| 152 | |
| 153 String slice([int startIndex, int endIndex]) { | |
| 154 int start, end; | |
| 155 if (startIndex == null) { | |
| 156 start = 0; | |
| 157 } else if (startIndex is! int) { | |
| 158 throw new ArgumentError("startIndex is not int"); | |
| 159 } else if (startIndex >= 0) { | |
| 160 start = startIndex; | |
| 161 } else { | |
| 162 start = this.length + startIndex; | |
| 163 } | |
| 164 if (start < 0 || start > this.length) { | |
| 165 throw new RangeError( | |
| 166 "startIndex out of range: $startIndex (length: $length)"); | |
| 167 } | |
| 168 if (endIndex == null) { | |
| 169 end = this.length; | |
| 170 } else if (endIndex is! int) { | |
| 171 throw new ArgumentError("endIndex is not int"); | |
| 172 } else if (endIndex >= 0) { | |
| 173 end = endIndex; | |
| 174 } else { | |
| 175 end = this.length + endIndex; | |
| 176 } | |
| 177 if (end < 0 || end > this.length) { | |
| 178 throw new RangeError( | |
| 179 "endIndex out of range: $endIndex (length: $length)"); | |
| 180 } | |
| 181 if (end < start) { | |
| 182 throw new ArgumentError( | |
| 183 "End before start: $endIndex < $startIndex (length: $length)"); | |
| 184 } | |
| 185 return _substringUnchecked(start, end); | |
| 186 } | |
| 187 | |
| 188 String _substringUnchecked(int startIndex, int endIndex) { | |
| 189 assert(endIndex != null); | |
| 190 assert((startIndex >= 0) && (startIndex <= this.length)); | |
| 191 assert((endIndex >= 0) && (endIndex <= this.length)); | |
| 192 assert(startIndex <= endIndex); | |
| 193 | |
| 194 if (startIndex == endIndex) { | |
| 195 return ""; | |
| 196 } | |
| 197 if ((startIndex + 1) == endIndex) { | |
| 198 return this[startIndex]; | |
| 199 } | |
| 200 return _substringUncheckedNative(startIndex, endIndex); | |
| 201 } | |
| 202 | |
| 203 String _substringUncheckedNative(int startIndex, int endIndex) | |
| 204 native "StringBase_substringUnchecked"; | |
| 205 | |
| 206 String trim() { | |
| 207 final int len = this.length; | |
| 208 int first = 0; | |
| 209 for (; first < len; first++) { | |
| 210 if (!_isWhitespace(this.codeUnitAt(first))) { | |
| 211 break; | |
| 212 } | |
| 213 } | |
| 214 if (len == first) { | |
| 215 // String contains only whitespaces. | |
| 216 return ""; | |
| 217 } | |
| 218 int last = len - 1; | |
| 219 for (; last >= first; last--) { | |
| 220 if (!_isWhitespace(this.codeUnitAt(last))) { | |
| 221 break; | |
| 222 } | |
| 223 } | |
| 224 if ((first == 0) && (last == (len - 1))) { | |
| 225 // Returns this string if it does not have leading or trailing | |
| 226 // whitespaces. | |
| 227 return this; | |
| 228 } else { | |
| 229 return _substringUnchecked(first, last + 1); | |
| 230 } | |
| 231 } | |
| 232 | |
| 233 bool contains(Pattern pattern, [int startIndex = 0]) { | |
| 234 if (pattern is String) { | |
| 235 return indexOf(pattern, startIndex) >= 0; | |
| 236 } | |
| 237 return pattern.allMatches(this.substring(startIndex)).iterator.moveNext(); | |
| 238 } | |
| 239 | |
| 240 String replaceFirst(Pattern pattern, String replacement) { | |
| 241 if (pattern is! Pattern) { | |
| 242 throw new ArgumentError("${pattern} is not a Pattern"); | |
| 243 } | |
| 244 if (replacement is! String) { | |
| 245 throw new ArgumentError("${replacement} is not a String"); | |
| 246 } | |
| 247 StringBuffer buffer = new StringBuffer(); | |
| 248 int startIndex = 0; | |
| 249 Iterator iterator = pattern.allMatches(this).iterator; | |
| 250 if (iterator.moveNext()) { | |
| 251 Match match = iterator.current; | |
| 252 buffer..write(this.substring(startIndex, match.start)) | |
| 253 ..write(replacement); | |
| 254 startIndex = match.end; | |
| 255 } | |
| 256 return (buffer..write(this.substring(startIndex))).toString(); | |
| 257 } | |
| 258 | |
| 259 String replaceAll(Pattern pattern, String replacement) { | |
| 260 if (pattern is! Pattern) { | |
| 261 throw new ArgumentError("${pattern} is not a Pattern"); | |
| 262 } | |
| 263 if (replacement is! String) { | |
| 264 throw new ArgumentError( | |
| 265 "${replacement} is not a String or Match->String function"); | |
| 266 } | |
| 267 StringBuffer buffer = new StringBuffer(); | |
| 268 int startIndex = 0; | |
| 269 for (Match match in pattern.allMatches(this)) { | |
| 270 buffer..write(this.substring(startIndex, match.start)) | |
| 271 ..write(replacement); | |
| 272 startIndex = match.end; | |
| 273 } | |
| 274 return (buffer..write(this.substring(startIndex))).toString(); | |
| 275 } | |
| 276 | |
| 277 String replaceAllMapped(Pattern pattern, String replace(Match match)) { | |
| 278 return splitMapJoin(pattern, onMatch: replace); | |
| 279 } | |
| 280 | |
| 281 static String _matchString(Match match) => match[0]; | |
| 282 static String _stringIdentity(String string) => string; | |
| 283 | |
| 284 String _splitMapJoinEmptyString(String onMatch(Match match), | |
| 285 String onNonMatch(String nonMatch)) { | |
| 286 // Pattern is the empty string. | |
| 287 StringBuffer buffer = new StringBuffer(); | |
| 288 int length = this.length; | |
| 289 int i = 0; | |
| 290 buffer.write(onNonMatch("")); | |
| 291 while (i < length) { | |
| 292 buffer.write(onMatch(new _StringMatch(i, this, ""))); | |
| 293 // Special case to avoid splitting a surrogate pair. | |
| 294 int code = this.codeUnitAt(i); | |
| 295 if ((code & ~0x3FF) == 0xD800 && length > i + 1) { | |
| 296 // Leading surrogate; | |
| 297 code = this.codeUnitAt(i + 1); | |
| 298 if ((code & ~0x3FF) == 0xDC00) { | |
| 299 // Matching trailing surrogate. | |
| 300 buffer.write(onNonMatch(this.substring(i, i + 2))); | |
| 301 i += 2; | |
| 302 continue; | |
| 303 } | |
| 304 } | |
| 305 buffer.write(onNonMatch(this[i])); | |
| 306 i++; | |
| 307 } | |
| 308 buffer.write(onMatch(new _StringMatch(i, this, ""))); | |
| 309 buffer.write(onNonMatch("")); | |
| 310 return buffer.toString(); | |
| 311 } | |
| 312 | |
| 313 String splitMapJoin(Pattern pattern, | |
| 314 {String onMatch(Match match), | |
| 315 String onNonMatch(String nonMatch)}) { | |
| 316 if (pattern is! Pattern) { | |
| 317 throw new ArgumentError("${pattern} is not a Pattern"); | |
| 318 } | |
| 319 if (onMatch == null) onMatch = _matchString; | |
| 320 if (onNonMatch == null) onNonMatch = _stringIdentity; | |
| 321 if (pattern is String) { | |
| 322 String stringPattern = pattern; | |
| 323 if (stringPattern.isEmpty) { | |
| 324 return _splitMapJoinEmptyString(onMatch, onNonMatch); | |
| 325 } | |
| 326 } | |
| 327 StringBuffer buffer = new StringBuffer(); | |
| 328 int startIndex = 0; | |
| 329 for (Match match in pattern.allMatches(this)) { | |
| 330 buffer.write(onNonMatch(this.substring(startIndex, match.start))); | |
| 331 buffer.write(onMatch(match).toString()); | |
| 332 startIndex = match.end; | |
| 333 } | |
| 334 buffer.write(onNonMatch(this.substring(startIndex))); | |
| 335 return buffer.toString(); | |
| 336 } | |
| 337 | |
| 338 | |
| 339 /** | |
| 340 * Convert all objects in [values] to strings and concat them | |
| 341 * into a result string. | |
| 342 */ | |
| 343 static String _interpolate(List values) { | |
| 344 int numValues = values.length; | |
| 345 var stringList = new List(numValues); | |
| 346 for (int i = 0; i < numValues; i++) { | |
| 347 stringList[i] = values[i].toString(); | |
| 348 } | |
| 349 return _concatAll(stringList); | |
| 350 } | |
| 351 | |
| 352 Iterable<Match> allMatches(String str) { | |
| 353 List<Match> result = new List<Match>(); | |
| 354 int length = str.length; | |
| 355 int patternLength = this.length; | |
| 356 int startIndex = 0; | |
| 357 while (true) { | |
| 358 int position = str.indexOf(this, startIndex); | |
| 359 if (position == -1) { | |
| 360 break; | |
| 361 } | |
| 362 result.add(new _StringMatch(position, str, this)); | |
| 363 int endIndex = position + patternLength; | |
| 364 if (endIndex == length) { | |
| 365 break; | |
| 366 } else if (position == endIndex) { | |
| 367 ++startIndex; // empty match, advance and restart | |
| 368 } else { | |
| 369 startIndex = endIndex; | |
| 370 } | |
| 371 } | |
| 372 return result; | |
| 373 } | |
| 374 | |
| 375 List<String> split(Pattern pattern) { | |
| 376 if ((pattern is String) && pattern.isEmpty) { | |
| 377 List<String> result = new List<String>(length); | |
| 378 for (int i = 0; i < length; i++) { | |
| 379 result[i] = this[i]; | |
| 380 } | |
| 381 return result; | |
| 382 } | |
| 383 int length = this.length; | |
| 384 Iterator iterator = pattern.allMatches(this).iterator; | |
| 385 if (length == 0 && iterator.moveNext()) { | |
| 386 // A matched empty string input returns the empty list. | |
| 387 return <String>[]; | |
| 388 } | |
| 389 List<String> result = new List<String>(); | |
| 390 int startIndex = 0; | |
| 391 int previousIndex = 0; | |
| 392 while (true) { | |
| 393 if (startIndex == length || !iterator.moveNext()) { | |
| 394 result.add(this._substringUnchecked(previousIndex, length)); | |
| 395 break; | |
| 396 } | |
| 397 Match match = iterator.current; | |
| 398 if (match.start == length) { | |
| 399 result.add(this._substringUnchecked(previousIndex, length)); | |
| 400 break; | |
| 401 } | |
| 402 int endIndex = match.end; | |
| 403 if (startIndex == endIndex && endIndex == previousIndex) { | |
| 404 ++startIndex; // empty match, advance and restart | |
| 405 continue; | |
| 406 } | |
| 407 result.add(this._substringUnchecked(previousIndex, match.start)); | |
| 408 startIndex = previousIndex = endIndex; | |
| 409 } | |
| 410 return result; | |
| 411 } | |
| 412 | |
| 413 List<int> get codeUnits => new CodeUnits(this); | |
| 414 | |
| 415 Runes get runes => new Runes(this); | |
| 416 | |
| 417 String toUpperCase() native "String_toUpperCase"; | |
| 418 | |
| 419 String toLowerCase() native "String_toLowerCase"; | |
| 420 | |
| 421 // Implementations of Strings methods follow below. | |
| 422 static String join(Iterable<String> strings, String separator) { | |
| 423 bool first = true; | |
| 424 List<String> stringsList = <String>[]; | |
| 425 for (String string in strings) { | |
| 426 if (first) { | |
| 427 first = false; | |
| 428 } else { | |
| 429 stringsList.add(separator); | |
| 430 } | |
| 431 | |
| 432 if (string is! String) { | |
| 433 throw new ArgumentError(Error.safeToString(string)); | |
| 434 } | |
| 435 stringsList.add(string); | |
| 436 } | |
| 437 return concatAll(stringsList); | |
| 438 } | |
| 439 | |
| 440 static String concatAll(Iterable<String> strings) { | |
| 441 _ObjectArray stringsArray; | |
| 442 if (strings is _ObjectArray) { | |
| 443 stringsArray = strings; | |
| 444 for (int i = 0; i < strings.length; i++) { | |
| 445 if (strings[i] is! String) throw new ArgumentError(strings[i]); | |
| 446 } | |
| 447 } else { | |
| 448 int len = strings.length; | |
| 449 stringsArray = new _ObjectArray(len); | |
| 450 int i = 0; | |
| 451 for (String string in strings) { | |
| 452 if (string is! String) throw new ArgumentError(string); | |
| 453 stringsArray[i++] = string; | |
| 454 } | |
| 455 } | |
| 456 return _concatAll(stringsArray); | |
| 457 } | |
| 458 | |
| 459 static String _concatAll(List<String> strings) | |
| 460 native "Strings_concatAll"; | |
| 461 } | |
| 462 | |
| 463 | |
| 464 class _OneByteString extends _StringBase implements String { | |
| 465 factory _OneByteString._uninstantiable() { | |
| 466 throw new UnsupportedError( | |
| 467 "_OneByteString can only be allocated by the VM"); | |
| 468 } | |
| 469 | |
| 470 int get hashCode native "String_getHashCode"; | |
| 471 | |
| 472 // Checks for one-byte whitespaces only. | |
| 473 // TODO(srdjan): Investigate if 0x85 (NEL) and 0xA0 (NBSP) are valid | |
| 474 // whitespaces for one byte strings. | |
| 475 bool _isWhitespace(int codePoint) { | |
| 476 return | |
| 477 (codePoint == 32) || // Space. | |
| 478 ((9 <= codePoint) && (codePoint <= 13)); // CR, LF, TAB, etc. | |
| 479 } | |
| 480 | |
| 481 String _substringUncheckedNative(int startIndex, int endIndex) | |
| 482 native "OneByteString_substringUnchecked"; | |
| 483 | |
| 484 List<String> _splitWithCharCode(int charCode) | |
| 485 native "OneByteString_splitWithCharCode"; | |
| 486 | |
| 487 List<String> split(Pattern pattern) { | |
| 488 if ((pattern is _OneByteString) && (pattern.length == 1)) { | |
| 489 return _splitWithCharCode(pattern.codeUnitAt(0)); | |
| 490 } | |
| 491 return super.split(pattern); | |
| 492 } | |
| 493 } | |
| 494 | |
| 495 | |
| 496 class _TwoByteString extends _StringBase implements String { | |
| 497 factory _TwoByteString._uninstantiable() { | |
| 498 throw new UnsupportedError( | |
| 499 "_TwoByteString can only be allocated by the VM"); | |
| 500 } | |
| 501 | |
| 502 // Checks for one-byte whitespaces only. | |
| 503 // TODO(srdjan): Investigate if 0x85 (NEL) and 0xA0 (NBSP) are valid | |
| 504 // whitespaces. Add checking for multi-byte whitespace codepoints. | |
| 505 bool _isWhitespace(int codePoint) { | |
| 506 return | |
| 507 (codePoint == 32) || // Space. | |
| 508 ((9 <= codePoint) && (codePoint <= 13)); // CR, LF, TAB, etc. | |
| 509 } | |
| 510 } | |
| 511 | |
| 512 | |
| 513 class _FourByteString extends _StringBase implements String { | |
| 514 factory _FourByteString._uninstantiable() { | |
| 515 throw new UnsupportedError( | |
| 516 "_FourByteString can only be allocated by the VM"); | |
| 517 } | |
| 518 | |
| 519 // Checks for one-byte whitespaces only. | |
| 520 // TODO(srdjan): Investigate if 0x85 (NEL) and 0xA0 (NBSP) are valid | |
| 521 // whitespaces. Add checking for multi-byte whitespace codepoints. | |
| 522 bool _isWhitespace(int codePoint) { | |
| 523 return | |
| 524 (codePoint == 32) || // Space. | |
| 525 ((9 <= codePoint) && (codePoint <= 13)); // CR, LF, TAB, etc. | |
| 526 } | |
| 527 } | |
| 528 | |
| 529 | |
| 530 class _ExternalOneByteString extends _StringBase implements String { | |
| 531 factory _ExternalOneByteString._uninstantiable() { | |
| 532 throw new UnsupportedError( | |
| 533 "_ExternalOneByteString can only be allocated by the VM"); | |
| 534 } | |
| 535 | |
| 536 // Checks for one-byte whitespaces only. | |
| 537 // TODO(srdjan): Investigate if 0x85 (NEL) and 0xA0 (NBSP) are valid | |
| 538 // whitespaces for one byte strings. | |
| 539 bool _isWhitespace(int codePoint) { | |
| 540 return | |
| 541 (codePoint == 32) || // Space. | |
| 542 ((9 <= codePoint) && (codePoint <= 13)); // CR, LF, TAB, etc. | |
| 543 } | |
| 544 } | |
| 545 | |
| 546 | |
| 547 class _ExternalTwoByteString extends _StringBase implements String { | |
| 548 factory _ExternalTwoByteString._uninstantiable() { | |
| 549 throw new UnsupportedError( | |
| 550 "_ExternalTwoByteString can only be allocated by the VM"); | |
| 551 } | |
| 552 | |
| 553 // Checks for one-byte whitespaces only. | |
| 554 // TODO(srdjan): Investigate if 0x85 (NEL) and 0xA0 (NBSP) are valid | |
| 555 // whitespaces. Add checking for multi-byte whitespace codepoints. | |
| 556 bool _isWhitespace(int codePoint) { | |
| 557 return | |
| 558 (codePoint == 32) || // Space. | |
| 559 ((9 <= codePoint) && (codePoint <= 13)); // CR, LF, TAB, etc. | |
| 560 } | |
| 561 } | |
| 562 | |
| 563 | |
| 564 class _ExternalFourByteString extends _StringBase implements String { | |
| 565 factory _ExternalFourByteString._uninstantiable() { | |
| 566 throw new UnsupportedError( | |
| 567 "ExternalFourByteString can only be allocated by the VM"); | |
| 568 } | |
| 569 | |
| 570 // Checks for one-byte whitespaces only. | |
| 571 // TODO(srdjan): Investigate if 0x85 (NEL) and 0xA0 (NBSP) are valid | |
| 572 // whitespaces. Add checking for multi-byte whitespace codepoints. | |
| 573 bool _isWhitespace(int codePoint) { | |
| 574 return | |
| 575 (codePoint == 32) || // Space. | |
| 576 ((9 <= codePoint) && (codePoint <= 13)); // CR, LF, TAB, etc. | |
| 577 } | |
| 578 } | |
| 579 | |
| 580 | |
| 581 class _StringMatch implements Match { | |
| 582 const _StringMatch(int this.start, | |
| 583 String this.str, | |
| 584 String this.pattern); | |
| 585 | |
| 586 int get end => start + pattern.length; | |
| 587 String operator[](int g) => group(g); | |
| 588 int get groupCount => 0; | |
| 589 | |
| 590 String group(int group) { | |
| 591 if (group != 0) { | |
| 592 throw new RangeError.value(group); | |
| 593 } | |
| 594 return pattern; | |
| 595 } | |
| 596 | |
| 597 List<String> groups(List<int> groups) { | |
| 598 List<String> result = new List<String>(); | |
| 599 for (int g in groups) { | |
| 600 result.add(group(g)); | |
| 601 } | |
| 602 return result; | |
| 603 } | |
| 604 | |
| 605 final int start; | |
| 606 final String str; | |
| 607 final String pattern; | |
| 608 } | |
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Chromium Code Reviews
Issue 13097009:
- Consolidate String sources in the runtime libraries. (Closed)
Base URL: http://dart.googlecode.com/svn/branches/bleeding_edge/dart/runtime/