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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 interface ByteArray extends List default _InternalByteArray { |
| 6 ByteArray(int length); |
| 7 |
| 8 int get length(); |
| 9 |
| 10 int getInt8(int byteOffset); |
| 11 |
| 12 void setInt8(int byteOffset, int value); |
| 13 |
| 14 int getUint8(int byteOffset); |
| 15 |
| 16 void setUint8(int byteOffset, int value); |
| 17 |
| 18 int getInt16(int byteOffset); |
| 19 |
| 20 void setInt16(int byteOffset, int value); |
| 21 |
| 22 int getUint16(int byteOffset); |
| 23 |
| 24 void setUint16(int byteOffset, int value); |
| 25 |
| 26 int getInt32(int byteOffset); |
| 27 |
| 28 void setInt32(int byteOffset, int value); |
| 29 |
| 30 int getUint32(int byteOffset); |
| 31 |
| 32 void setUint32(int byteOffset, int value); |
| 33 |
| 34 int getInt64(int byteOffset); |
| 35 |
| 36 void setInt64(int byteOffset, int value); |
| 37 |
| 38 int getUint64(int byteOffset); |
| 39 |
| 40 void setUint64(int byteOffset, int value); |
| 41 |
| 42 double getFloat32(int byteOffset); |
| 43 |
| 44 void setFloat32(int byteOffset, double value); |
| 45 |
| 46 double getFloat64(int byteOffset); |
| 47 |
| 48 void setFloat64(int byteOffset, double value); |
| 49 } |
| 50 |
| 51 |
| 52 class _ByteArrayBase { |
| 53 |
| 54 // Iterable interface |
| 55 |
| 56 Iterator iterator() { |
| 57 return new _ByteArrayIterator(this); |
| 58 } |
| 59 |
| 60 // Collection interface |
| 61 |
| 62 int get length() { |
| 63 return _length(); |
| 64 } |
| 65 |
| 66 bool every(bool f(int element)) { |
| 67 return Collections.every(this, f); |
| 68 } |
| 69 |
| 70 Collection map(f(int element)) { |
| 71 return Collections.map(this, |
| 72 new GrowableObjectArray.withCapacity(length), |
| 73 f); |
| 74 } |
| 75 |
| 76 Collection filter(bool f(int element)) { |
| 77 return Collections.filter(this, new GrowableObjectArray(), f); |
| 78 } |
| 79 |
| 80 void forEach(f(int element)) { |
| 81 Collections.forEach(this, f); |
| 82 } |
| 83 |
| 84 bool isEmpty() { |
| 85 return this.length === 0; |
| 86 } |
| 87 |
| 88 bool some(bool f(int element)) { |
| 89 return Collections.some(this, f); |
| 90 } |
| 91 |
| 92 // List interface |
| 93 |
| 94 int operator[](int index) { |
| 95 return getUint8(index); |
| 96 } |
| 97 |
| 98 void operator[]=(int index, int value) { |
| 99 setUint8(index, value); |
| 100 } |
| 101 |
| 102 void set length(int newLength) { |
| 103 throw const UnsupportedOperationException("Cannot add to a byte array"); |
| 104 } |
| 105 |
| 106 void add(int element) { |
| 107 throw const UnsupportedOperationException("Cannot add to a byte array"); |
| 108 } |
| 109 |
| 110 void addLast(int element) { |
| 111 add(element); |
| 112 } |
| 113 |
| 114 void addAll(Collection elements) { |
| 115 throw const UnsupportedOperationException("Cannot add to a byte array"); |
| 116 } |
| 117 |
| 118 void sort(int compare(int a, b)) { |
| 119 DualPivotQuicksort.sort(this, compare); |
| 120 } |
| 121 |
| 122 int indexOf(int element, [int start = 0]) { |
| 123 return Arrays.indexOf(this, element, start, this.length); |
| 124 } |
| 125 |
| 126 int lastIndexOf(int element, [int start = null]) { |
| 127 if (start === null) start = length - 1; |
| 128 return Arrays.lastIndexOf(this, element, start); |
| 129 } |
| 130 |
| 131 void clear() { |
| 132 throw const UnsupportedOperationException("Cannot clear a byte array"); |
| 133 } |
| 134 |
| 135 int removeLast() { |
| 136 throw const UnsupportedOperationException( |
| 137 "Cannot remove from a byte array"); |
| 138 } |
| 139 |
| 140 int last() { |
| 141 return this[length - 1]; |
| 142 } |
| 143 |
| 144 // Implementation |
| 145 |
| 146 int _length() native "ByteArray_getLength"; |
| 147 } |
| 148 |
| 149 |
| 150 class _ByteArrayIterator implements Iterator { |
| 151 _ByteArrayIterator(List byteArray) |
| 152 : _byteArray = byteArray, _length = byteArray.length, _pos = 0 { |
| 153 assert(byteArray is ByteArray); |
| 154 } |
| 155 |
| 156 bool hasNext() { |
| 157 return _length > _pos; |
| 158 } |
| 159 |
| 160 int next() { |
| 161 if (!hasNext()) { |
| 162 throw const NoMoreElementsException(); |
| 163 } |
| 164 return _byteArray[_pos++]; |
| 165 } |
| 166 |
| 167 final List _byteArray; |
| 168 |
| 169 final int _length; |
| 170 |
| 171 int _pos; |
| 172 } |
| 173 |
| 174 |
| 175 class _InternalByteArray extends _ByteArrayBase implements ByteArray { |
| 176 factory _InternalByteArray(int length) { |
| 177 return _allocate(length); |
| 178 } |
| 179 |
| 180 // ByteArray interface |
| 181 |
| 182 int getInt8(int byteOffset) { |
| 183 return _getInt8(byteOffset); |
| 184 } |
| 185 |
| 186 void setInt8(int byteOffset, int value) { |
| 187 _setInt8(byteOffset, value); |
| 188 } |
| 189 |
| 190 int getUint8(int byteOffset) { |
| 191 return _getUint8(byteOffset); |
| 192 } |
| 193 |
| 194 void setUint8(int byteOffset, int value) { |
| 195 _setUint8(byteOffset, value); |
| 196 } |
| 197 |
| 198 int getInt16(int byteOffset) { |
| 199 return _getInt16(byteOffset); |
| 200 } |
| 201 |
| 202 void setInt16(int byteOffset, int value) { |
| 203 _setInt16(byteOffset, value); |
| 204 } |
| 205 |
| 206 int getUint16(int byteOffset) { |
| 207 return _getInt16(byteOffset); |
| 208 } |
| 209 |
| 210 void setUint16(int byteOffset, int value) { |
| 211 _setUint16(byteOffset, value); |
| 212 } |
| 213 |
| 214 int getInt32(int byteOffset) { |
| 215 return _getInt32(byteOffset); |
| 216 } |
| 217 |
| 218 void setInt32(int byteOffset, int value) { |
| 219 _setInt32(byteOffset, value); |
| 220 } |
| 221 |
| 222 int getUint32(int byteOffset) { |
| 223 return _getUint32(byteOffset); |
| 224 } |
| 225 |
| 226 void setUint32(int byteOffset, int value) { |
| 227 _setUint32(byteOffset, value); |
| 228 } |
| 229 |
| 230 int getInt64(int byteOffset) { |
| 231 return _getInt64(byteOffset); |
| 232 } |
| 233 |
| 234 void setInt64(int byteOffset, int value) { |
| 235 _setInt64(byteOffset, value); |
| 236 } |
| 237 |
| 238 int getUint64(int byteOffset) { |
| 239 return _getUint64(byteOffset); |
| 240 } |
| 241 |
| 242 void setUint64(int byteOffset, int value) { |
| 243 _setUint64(byteOffset, value); |
| 244 } |
| 245 |
| 246 double getFloat32(int byteOffset) { |
| 247 return _getFloat32(byteOffset); |
| 248 } |
| 249 |
| 250 void setFloat32(int byteOffset, double value) { |
| 251 _setFloat32(byteOffset, value); |
| 252 } |
| 253 |
| 254 double getFloat64(int byteOffset) { |
| 255 return _getFloat64(byteOffset); |
| 256 } |
| 257 |
| 258 void setFloat64(int byteOffset, double value) { |
| 259 _setFloat64(byteOffset, value); |
| 260 } |
| 261 |
| 262 // Implementation |
| 263 |
| 264 static _InternalByteArray _allocate(int length) |
| 265 native "InternalByteArray_allocate"; |
| 266 |
| 267 int _getInt8(int byteOffset) |
| 268 native "InternalByteArray_getInt8"; |
| 269 |
| 270 void _setInt8(int byteOffset, int value) |
| 271 native "InternalByteArray_setInt8"; |
| 272 |
| 273 int _getUint8(int byteOffset) |
| 274 native "InternalByteArray_getUint8"; |
| 275 |
| 276 void _setUint8(int byteOffset, int value) |
| 277 native "InternalByteArray_setUint8"; |
| 278 |
| 279 int _getInt16(int byteOffset) |
| 280 native "InternalByteArray_getInt16"; |
| 281 |
| 282 void _setInt16(int byteOffset, int value) |
| 283 native "InternalByteArray_setInt16"; |
| 284 |
| 285 int _getUint16(int byteOffset) |
| 286 native "InternalByteArray_getUint16"; |
| 287 |
| 288 void _setUint16(int byteOffset, int value) |
| 289 native "InternalByteArray_setUint16"; |
| 290 |
| 291 int _getInt32(int byteOffset) |
| 292 native "InternalByteArray_getInt32"; |
| 293 |
| 294 void _setInt32(int byteOffset, int value) |
| 295 native "InternalByteArray_setInt32"; |
| 296 |
| 297 int _getUint32(int byteOffset) |
| 298 native "InternalByteArray_getUint32"; |
| 299 |
| 300 void _setUint32(int byteOffset, int value) |
| 301 native "InternalByteArray_setUint32"; |
| 302 |
| 303 int _getInt64(int byteOffset) |
| 304 native "InternalByteArray_getInt64"; |
| 305 |
| 306 void _setInt64(int byteOffset, int value) |
| 307 native "InternalByteArray_setInt64"; |
| 308 |
| 309 int _getUint64(int byteOffset) |
| 310 native "InternalByteArray_getUint64"; |
| 311 |
| 312 void _setUint64(int byteOffset, int value) |
| 313 native "InternalByteArray_setUint64"; |
| 314 |
| 315 double _getFloat32(int byteOffset) |
| 316 native "InternalByteArray_getFloat32"; |
| 317 |
| 318 void _setFloat32(int byteOffset, double value) |
| 319 native "InternalByteArray_setFloat32"; |
| 320 |
| 321 double _getFloat64(int byteOffset) |
| 322 native "InternalByteArray_getFloat64"; |
| 323 |
| 324 void _setFloat64(int byteOffset, double value) |
| 325 native "InternalByteArray_setFloat64"; |
| 326 } |
| 327 |
| 328 |
| 329 class _ExternalByteArray extends _ByteArrayBase implements ByteArray { |
| 330 // Collection interface |
| 331 |
| 332 int get length() { |
| 333 return _length(); |
| 334 } |
| 335 |
| 336 // List interface |
| 337 |
| 338 int operator[](int index) { |
| 339 return _getUint8(index); |
| 340 } |
| 341 |
| 342 void operator[]=(int index, int value) { |
| 343 _setUint8(index, value); |
| 344 } |
| 345 |
| 346 // ByteArray interface |
| 347 |
| 348 int getInt8(int byteOffset) { |
| 349 return _getInt8(byteOffset); |
| 350 } |
| 351 |
| 352 void setInt8(int byteOffset, int value) { |
| 353 _setInt8(byteOffset, value); |
| 354 } |
| 355 |
| 356 int getUint8(int byteOffset) { |
| 357 return _getUint8(byteOffset); |
| 358 } |
| 359 |
| 360 void setUint8(int byteOffset, int value) { |
| 361 _setUint8(byteOffset, value); |
| 362 } |
| 363 |
| 364 int getInt16(int byteOffset) { |
| 365 return _getInt16(byteOffset); |
| 366 } |
| 367 |
| 368 void setInt16(int byteOffset, int value) { |
| 369 _setInt16(byteOffset, value); |
| 370 } |
| 371 |
| 372 int getUint16(int byteOffset) { |
| 373 return _getInt16(byteOffset); |
| 374 } |
| 375 |
| 376 void setUint16(int byteOffset, int value) { |
| 377 _setUint16(byteOffset, value); |
| 378 } |
| 379 |
| 380 int getInt32(int byteOffset) { |
| 381 return _getInt32(byteOffset); |
| 382 } |
| 383 |
| 384 void setInt32(int byteOffset, int value) { |
| 385 _setInt32(byteOffset, value); |
| 386 } |
| 387 |
| 388 int getUint32(int byteOffset) { |
| 389 return _getUint32(byteOffset); |
| 390 } |
| 391 |
| 392 void setUint32(int byteOffset, int value) { |
| 393 _setUint32(byteOffset, value); |
| 394 } |
| 395 |
| 396 int getInt64(int byteOffset) { |
| 397 return _getInt64(byteOffset); |
| 398 } |
| 399 |
| 400 void setInt64(int byteOffset, int value) { |
| 401 _setInt64(byteOffset, value); |
| 402 } |
| 403 |
| 404 int getUint64(int byteOffset) { |
| 405 return _getUint64(byteOffset); |
| 406 } |
| 407 |
| 408 void setUint64(int byteOffset, int value) { |
| 409 _setUint64(byteOffset, value); |
| 410 } |
| 411 |
| 412 double getFloat32(int byteOffset) { |
| 413 return _getFloat32(byteOffset); |
| 414 } |
| 415 |
| 416 void setFloat32(int byteOffset, double value) { |
| 417 _setFloat32(byteOffset, value); |
| 418 } |
| 419 |
| 420 double getFloat64(int byteOffset) { |
| 421 return _getFloat64(byteOffset); |
| 422 } |
| 423 |
| 424 void setFloat64(int byteOffset, double value) { |
| 425 _setFloat64(byteOffset, value); |
| 426 } |
| 427 |
| 428 // Implementation |
| 429 |
| 430 int _getInt8(int byteOffset) |
| 431 native "ExternalByteArray_getInt8"; |
| 432 |
| 433 void _setInt8(int byteOffset, int value) |
| 434 native "ExternalByteArray_setInt8"; |
| 435 |
| 436 int _getUint8(int byteOffset) |
| 437 native "ExternalByteArray_getUint8"; |
| 438 |
| 439 void _setUint8(int byteOffset, int value) |
| 440 native "ExternalByteArray_setUint8"; |
| 441 |
| 442 int _getInt16(int byteOffset) |
| 443 native "ExternalByteArray_getInt16"; |
| 444 |
| 445 void _setInt16(int byteOffset, int value) |
| 446 native "ExternalByteArray_setInt16"; |
| 447 |
| 448 int _getUint16(int byteOffset) |
| 449 native "ExternalByteArray_getUint16"; |
| 450 |
| 451 void _setUint16(int byteOffset, int value) |
| 452 native "ExternalByteArray_setUint16"; |
| 453 |
| 454 int _getInt32(int byteOffset) |
| 455 native "ExternalByteArray_getInt32"; |
| 456 |
| 457 void _setInt32(int byteOffset, int value) |
| 458 native "ExternalByteArray_setInt32"; |
| 459 |
| 460 int _getUint32(int byteOffset) |
| 461 native "ExternalByteArray_getUint32"; |
| 462 |
| 463 void _setUint32(int byteOffset, int value) |
| 464 native "ExternalByteArray_setUint32"; |
| 465 |
| 466 int _getInt64(int byteOffset) |
| 467 native "ExternalByteArray_getInt64"; |
| 468 |
| 469 void _setInt64(int byteOffset, int value) |
| 470 native "ExternalByteArray_setInt64"; |
| 471 |
| 472 int _getUint64(int byteOffset) |
| 473 native "ExternalByteArray_getUint64"; |
| 474 |
| 475 void _setUint64(int byteOffset, int value) |
| 476 native "ExternalByteArray_setUint64"; |
| 477 |
| 478 double _getFloat32(int byteOffset) |
| 479 native "ExternalByteArray_getFloat32"; |
| 480 |
| 481 void _setFloat32(int byteOffset, double value) |
| 482 native "ExternalByteArray_setFloat32"; |
| 483 |
| 484 double _getFloat64(int byteOffset) |
| 485 native "ExternalByteArray_getFloat64"; |
| 486 |
| 487 void _setFloat64(int byteOffset, double value) |
| 488 native "ExternalByteArray_setFloat64"; |
| 489 } |
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