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| 1 // Copyright (c) 2011, 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 class GeneratedMessage implements Message, Hashable { |
| 6 |
| 7 BuilderInfo _builderInfo; |
| 8 Map<int, Dynamic> _fieldValues; |
| 9 int _memoizedHashCode = -1; |
| 10 int _memoizedIsInitialized = -1; |
| 11 int _memoizedSerializedSize = -1; |
| 12 Map<int, int> _serializedSize; |
| 13 Map<int, Extension> _extensions; |
| 14 UnknownFieldSet _unknownFields; |
| 15 |
| 16 static GeneratedMessage parseBuffer(Builder builder, List<int> input, |
| 17 [ExtensionRegistry extensionRegistry]) { |
| 18 extensionRegistry = extensionRegistry == null ? |
| 19 ExtensionRegistry.EMPTY_REGISTRY : extensionRegistry; |
| 20 return builder.mergeFromBuffer(input, extensionRegistry).buildParsed(); |
| 21 } |
| 22 |
| 23 static Future<GeneratedMessage> parseStream(Builder builder, |
| 24 InputStream input, [ExtensionRegistry extensionRegistry]) { |
| 25 extensionRegistry = extensionRegistry == null ? |
| 26 ExtensionRegistry.EMPTY_REGISTRY : extensionRegistry; |
| 27 return builder.mergeFromStream(input, extensionRegistry) |
| 28 .transform((var _) => builder.buildParsed()); |
| 29 } |
| 30 |
| 31 GeneratedMessage(Builder builder) |
| 32 : _builderInfo = builder.info_, |
| 33 _fieldValues = new Map<int, Dynamic>(), |
| 34 _serializedSize = new Map<int, int>(), |
| 35 _unknownFields = builder.unknownFields; |
| 36 |
| 37 bool operator ==(Object o) { |
| 38 if (!(o is GeneratedMessage)){ |
| 39 return false; |
| 40 } |
| 41 GeneratedMessage om = o; |
| 42 if (om._builderInfo != _builderInfo) { |
| 43 return false; |
| 44 } |
| 45 |
| 46 if (_fieldValues.length != om._fieldValues.length) { |
| 47 return false; |
| 48 } |
| 49 |
| 50 // because lengths are equal, sufficient to test inclusion in 1 direction. |
| 51 for (int key in _fieldValues.getKeys()) { |
| 52 if (!om._fieldValues.containsKey(key) || |
| 53 _fieldValues[key] != om._fieldValues[key]) { |
| 54 return false; |
| 55 } |
| 56 } |
| 57 if (om._unknownFields != _unknownFields) return false; |
| 58 return true; |
| 59 } |
| 60 |
| 61 bool extensionsAreInitialized() { |
| 62 return true; // fixme |
| 63 } |
| 64 |
| 65 Dynamic getField(int tagNumber) { |
| 66 var value = _fieldValues[tagNumber]; |
| 67 // Initialize the field |
| 68 if (value === null) { |
| 69 var defaultFunc = _builderInfo.makeDefault(tagNumber); |
| 70 if (defaultFunc != null) { |
| 71 value = defaultFunc(); |
| 72 } |
| 73 } |
| 74 return value; |
| 75 } |
| 76 |
| 77 int _getFieldType(int tagNumber) { |
| 78 int fieldType = _builderInfo.fieldType(tagNumber); |
| 79 if (fieldType == null) { |
| 80 fieldType = _extensions[tagNumber].type; |
| 81 } |
| 82 return fieldType; |
| 83 } |
| 84 |
| 85 // Shorthand for getField |
| 86 Dynamic g_(int tagNumber) => getField(tagNumber); |
| 87 |
| 88 int getSerializedSize() { |
| 89 if (_memoizedSerializedSize != -1) return _memoizedSerializedSize; |
| 90 int size = 0; |
| 91 |
| 92 for (int tagNumber in _fieldValues.getKeys()) { |
| 93 var fieldValue = _fieldValues[tagNumber]; |
| 94 int fieldType = _getFieldType(tagNumber) & ~Builder._REQUIRED_BIT; |
| 95 size += _computeSize(tagNumber, fieldType, fieldValue); |
| 96 } |
| 97 |
| 98 size += unknownFields.getSerializedSize(); |
| 99 _memoizedSerializedSize = size; |
| 100 return size; |
| 101 } |
| 102 |
| 103 int _computeSize(int tagNumber, int fieldType, var fieldValue) { |
| 104 int size = 0; |
| 105 switch (fieldType) { |
| 106 case Builder._OPTIONAL_BOOL: |
| 107 return CodedBufferWriter.computeBoolSize(tagNumber, fieldValue); |
| 108 case Builder._OPTIONAL_BYTES: |
| 109 return CodedBufferWriter.computeBytesSize(tagNumber, fieldValue); |
| 110 case Builder._OPTIONAL_STRING: |
| 111 return CodedBufferWriter.computeStringSize(tagNumber, fieldValue); |
| 112 case Builder._OPTIONAL_FLOAT: |
| 113 return CodedBufferWriter.computeFloatSize(tagNumber, fieldValue); |
| 114 case Builder._OPTIONAL_DOUBLE: |
| 115 return CodedBufferWriter.computeDoubleSize(tagNumber, fieldValue); |
| 116 case Builder._OPTIONAL_ENUM: |
| 117 return CodedBufferWriter.computeEnumSize(tagNumber, fieldValue.value); |
| 118 case Builder._OPTIONAL_GROUP: |
| 119 return CodedBufferWriter.computeGroupSize(tagNumber, fieldValue); |
| 120 case Builder._OPTIONAL_INT32: |
| 121 return CodedBufferWriter.computeInt32Size(tagNumber, fieldValue); |
| 122 case Builder._OPTIONAL_INT64: |
| 123 return CodedBufferWriter.computeInt64Size(tagNumber, fieldValue); |
| 124 case Builder._OPTIONAL_SINT32: |
| 125 return CodedBufferWriter.computeSint32Size(tagNumber, fieldValue); |
| 126 case Builder._OPTIONAL_SINT64: |
| 127 return CodedBufferWriter.computeSint64Size(tagNumber, fieldValue); |
| 128 case Builder._OPTIONAL_UINT32: |
| 129 return CodedBufferWriter.computeUint32Size(tagNumber, fieldValue); |
| 130 case Builder._OPTIONAL_UINT64: |
| 131 return CodedBufferWriter.computeUint64Size(tagNumber, fieldValue); |
| 132 case Builder._OPTIONAL_FIXED32: |
| 133 return CodedBufferWriter.computeFixed32Size(tagNumber, fieldValue); |
| 134 case Builder._OPTIONAL_FIXED64: |
| 135 return CodedBufferWriter.computeFixed64Size(tagNumber, fieldValue); |
| 136 case Builder._OPTIONAL_SFIXED32: |
| 137 return CodedBufferWriter.computeSfixed32Size(tagNumber, fieldValue); |
| 138 case Builder._OPTIONAL_SFIXED64: |
| 139 return CodedBufferWriter.computeSfixed64Size(tagNumber, fieldValue); |
| 140 case Builder._OPTIONAL_MESSAGE: |
| 141 return CodedBufferWriter.computeMessageSize(tagNumber, fieldValue); |
| 142 case Builder._REPEATED_BOOL: |
| 143 for (bool val in fieldValue) { |
| 144 size += CodedBufferWriter.computeBoolSize(tagNumber, val); |
| 145 } |
| 146 return size; |
| 147 case Builder._REPEATED_BYTES: |
| 148 List<List<int>> list = fieldValue; |
| 149 for (List<int> val in list) { |
| 150 size += CodedBufferWriter.computeBytesSize(tagNumber, val); |
| 151 } |
| 152 return size; |
| 153 case Builder._REPEATED_STRING: |
| 154 List<String> list = fieldValue; |
| 155 for (String val in list) { |
| 156 size += CodedBufferWriter.computeStringSize(tagNumber, val); |
| 157 } |
| 158 return size; |
| 159 case Builder._REPEATED_FLOAT: |
| 160 List<double> list = fieldValue; |
| 161 for (double val in list) { |
| 162 size += CodedBufferWriter.computeFloatSize(tagNumber, val); |
| 163 } |
| 164 return size; |
| 165 case Builder._REPEATED_DOUBLE: |
| 166 List<double> list = fieldValue; |
| 167 for (double val in list) { |
| 168 size += CodedBufferWriter.computeDoubleSize(tagNumber, val); |
| 169 } |
| 170 return size; |
| 171 case Builder._REPEATED_ENUM: |
| 172 for (var val in fieldValue) { |
| 173 size += CodedBufferWriter.computeEnumSize(tagNumber, val.value); |
| 174 } |
| 175 return size; |
| 176 case Builder._REPEATED_GROUP: |
| 177 for (var val in fieldValue) { |
| 178 size += CodedBufferWriter.computeGroupSize(tagNumber, val); |
| 179 } |
| 180 return size; |
| 181 case Builder._REPEATED_INT32: |
| 182 List<int> list = fieldValue; |
| 183 for (int val in list) { |
| 184 size += CodedBufferWriter.computeInt32Size(tagNumber, val); |
| 185 } |
| 186 return size; |
| 187 case Builder._REPEATED_INT64: |
| 188 List<int> list = fieldValue; |
| 189 for (int val in list) { |
| 190 size += CodedBufferWriter.computeInt64Size(tagNumber, val); |
| 191 } |
| 192 return size; |
| 193 case Builder._REPEATED_SINT32: |
| 194 List<int> list = fieldValue; |
| 195 for (int val in list) { |
| 196 size += CodedBufferWriter.computeSint32Size(tagNumber, val); |
| 197 } |
| 198 return size; |
| 199 case Builder._REPEATED_SINT64: |
| 200 List<int> list = fieldValue; |
| 201 for (int val in list) { |
| 202 size += CodedBufferWriter.computeSint64Size(tagNumber, val); |
| 203 } |
| 204 return size; |
| 205 case Builder._REPEATED_UINT32: |
| 206 List<int> list = fieldValue; |
| 207 for (int val in list) { |
| 208 size += CodedBufferWriter.computeUint32Size(tagNumber, val); |
| 209 } |
| 210 return size; |
| 211 case Builder._REPEATED_UINT64: |
| 212 List<int> list = fieldValue; |
| 213 for (int val in list) { |
| 214 size += CodedBufferWriter.computeUint64Size(tagNumber, val); |
| 215 } |
| 216 return size; |
| 217 case Builder._REPEATED_FIXED32: |
| 218 List<int> list = fieldValue; |
| 219 for (int val in list) { |
| 220 size += CodedBufferWriter.computeFixed32Size(tagNumber, val); |
| 221 } |
| 222 return size; |
| 223 case Builder._REPEATED_FIXED64: |
| 224 List<int> list = fieldValue; |
| 225 for (int val in list) { |
| 226 size += CodedBufferWriter.computeFixed64Size(tagNumber, val); |
| 227 } |
| 228 return size; |
| 229 case Builder._REPEATED_SFIXED32: |
| 230 List<int> list = fieldValue; |
| 231 for (int val in list) { |
| 232 size += CodedBufferWriter.computeSfixed32Size(tagNumber, val); |
| 233 } |
| 234 return size; |
| 235 case Builder._REPEATED_SFIXED64: |
| 236 List<int> list = fieldValue; |
| 237 for (int val in list) { |
| 238 size += CodedBufferWriter.computeSfixed64Size(tagNumber, val); |
| 239 } |
| 240 return size; |
| 241 case Builder._REPEATED_MESSAGE: |
| 242 for (Message val in fieldValue) { |
| 243 size += CodedBufferWriter.computeMessageSize(tagNumber, val); |
| 244 } |
| 245 return size; |
| 246 case Builder._PACKED_BOOL: |
| 247 return _computePackedSize(tagNumber, fieldValue, |
| 248 CodedBufferWriter.computeBoolSizeNoTag); |
| 249 case Builder._PACKED_FLOAT: |
| 250 return _computePackedSize(tagNumber, fieldValue, |
| 251 CodedBufferWriter.computeFloatSizeNoTag); |
| 252 case Builder._PACKED_DOUBLE: |
| 253 return _computePackedSize(tagNumber, fieldValue, |
| 254 CodedBufferWriter.computeDoubleSizeNoTag); |
| 255 case Builder._PACKED_ENUM: |
| 256 return _computePackedSize(tagNumber, fieldValue, |
| 257 CodedBufferWriter.computeEnumSizeNoTag); |
| 258 case Builder._PACKED_INT32: |
| 259 return _computePackedSize(tagNumber, fieldValue, |
| 260 CodedBufferWriter.computeInt32SizeNoTag); |
| 261 case Builder._PACKED_INT64: |
| 262 return _computePackedSize(tagNumber, fieldValue, |
| 263 CodedBufferWriter.computeInt64SizeNoTag); |
| 264 case Builder._PACKED_UINT32: |
| 265 return _computePackedSize(tagNumber, fieldValue, |
| 266 CodedBufferWriter.computeUint32SizeNoTag); |
| 267 case Builder._PACKED_UINT64: |
| 268 return _computePackedSize(tagNumber, fieldValue, |
| 269 CodedBufferWriter.computeUint64SizeNoTag); |
| 270 case Builder._PACKED_SINT32: |
| 271 return _computePackedSize(tagNumber, fieldValue, |
| 272 CodedBufferWriter.computeSint32SizeNoTag); |
| 273 case Builder._PACKED_SINT64: |
| 274 return _computePackedSize(tagNumber, fieldValue, |
| 275 CodedBufferWriter.computeSint64SizeNoTag); |
| 276 case Builder._PACKED_FIXED32: |
| 277 return _computePackedSize(tagNumber, fieldValue, |
| 278 CodedBufferWriter.computeFixed32SizeNoTag); |
| 279 case Builder._PACKED_FIXED64: |
| 280 return _computePackedSize(tagNumber, fieldValue, |
| 281 CodedBufferWriter.computeFixed64SizeNoTag); |
| 282 case Builder._PACKED_SFIXED32: |
| 283 return _computePackedSize(tagNumber, fieldValue, |
| 284 CodedBufferWriter.computeSfixed32SizeNoTag); |
| 285 case Builder._PACKED_SFIXED64: |
| 286 return _computePackedSize(tagNumber, fieldValue, |
| 287 CodedBufferWriter.computeSfixed64SizeNoTag); |
| 288 default: |
| 289 throw "Unknown type $fieldType"; |
| 290 } |
| 291 } |
| 292 |
| 293 int _computePackedSize(int tagNumber, List values, var sizeFunc) { |
| 294 int dataSize = 0; |
| 295 for (var val in values) { |
| 296 dataSize += sizeFunc(val); |
| 297 } |
| 298 _serializedSize[tagNumber] = dataSize; |
| 299 if (!values.isEmpty()) { |
| 300 dataSize += CodedBufferWriter.computeInt32Size(tagNumber, dataSize); |
| 301 } |
| 302 return dataSize; |
| 303 } |
| 304 |
| 305 int getTagNumber(String fieldName) => _builderInfo.tagNumber(fieldName); |
| 306 |
| 307 UnknownFieldSet get unknownFields() => _unknownFields; |
| 308 |
| 309 bool hasField(int tagNumber) => _fieldValues.containsKey(tagNumber); |
| 310 |
| 311 // Shorthand for hasField |
| 312 bool h_(int tagNumber) => hasField(tagNumber); |
| 313 |
| 314 bool hasRequiredFields() => _builderInfo.hasRequiredFields; |
| 315 |
| 316 int hashCode() { |
| 317 if (_memoizedHashCode == -1) { |
| 318 _memoizedHashCode = 0; |
| 319 for (int tagNumber in _fieldValues.getKeys()) { |
| 320 _memoizedHashCode = (17 * _memoizedHashCode) + tagNumber; |
| 321 var value = _fieldValues[tagNumber]; |
| 322 if (value is Hashable) { |
| 323 _memoizedHashCode = (31 * _memoizedHashCode) + value.hashCode(); |
| 324 } |
| 325 } |
| 326 if (_unknownFields != null) { |
| 327 _memoizedHashCode = |
| 328 (23 * _memoizedHashCode) + _unknownFields.hashCode(); |
| 329 } |
| 330 } |
| 331 return _memoizedHashCode; |
| 332 } |
| 333 |
| 334 void _findInvalidFields(List<String> invalidFields, String prefix) { |
| 335 _builderInfo._findInvalidFields(_fieldValues, invalidFields, prefix); |
| 336 } |
| 337 |
| 338 bool isInitialized() { |
| 339 if (!hasRequiredFields()) { |
| 340 return true; |
| 341 } |
| 342 if (_memoizedIsInitialized != -1) { |
| 343 return _memoizedIsInitialized == 1; |
| 344 } |
| 345 |
| 346 bool initialized = _builderInfo.isInitialized(_fieldValues); |
| 347 _memoizedIsInitialized = initialized ? 1 : 0; |
| 348 return initialized; |
| 349 } |
| 350 |
| 351 String toString() { |
| 352 return _toString(); |
| 353 } |
| 354 |
| 355 String _toString([String indent = ""]) { |
| 356 StringBuffer s = new StringBuffer(); |
| 357 void renderValue(key, value) { |
| 358 if (value is Message) { |
| 359 s.add("${indent}${key}: {\n"); |
| 360 s.add(value._toString("$indent ")); |
| 361 s.add("${indent}}\n"); |
| 362 } else { |
| 363 s.add("${indent}${key}: ${value}\n"); |
| 364 } |
| 365 } |
| 366 |
| 367 // Sort output by tag number |
| 368 List<FieldInfo> fields = new List<FieldInfo>.from(_builderInfo.fieldInfo.get
Values()); |
| 369 fields.sort((a, b) => a.tagNumber.compareTo(b.tagNumber)); |
| 370 List<String> keys = fields.map((FieldInfo field) => field.name); |
| 371 |
| 372 for (FieldInfo field in fields) { |
| 373 if (hasField(field.tagNumber)) { |
| 374 var fieldValue = _fieldValues[field.tagNumber]; |
| 375 if (fieldValue is List) { |
| 376 // work around http://code.google.com/p/dart/issues/detail?id=3817 |
| 377 for (int i = 0; i < fieldValue.length; i++) { |
| 378 renderValue(field.name, fieldValue[i]); |
| 379 } |
| 380 } else { |
| 381 renderValue(field.name, fieldValue); |
| 382 } |
| 383 } |
| 384 } |
| 385 if (_unknownFields != null) { |
| 386 s.add(_unknownFields.toString()); |
| 387 } |
| 388 return s.toString(); |
| 389 } |
| 390 |
| 391 List<int> writeToBuffer() { |
| 392 CodedBufferWriter out = new CodedBufferWriter(getSerializedSize()); |
| 393 writeToCodedBufferWriter(out); |
| 394 return out.buffer; |
| 395 } |
| 396 |
| 397 void writeToCodedBufferWriter(CodedBufferWriter output) { |
| 398 getSerializedSize(); |
| 399 |
| 400 List<int> keys = new List<int>.from(_fieldValues.getKeys()); |
| 401 keys.sort((a, b) => a.compareTo(b)); |
| 402 for (int tagNumber in keys) { |
| 403 var fieldValue = _fieldValues[tagNumber]; |
| 404 int fieldType = _getFieldType(tagNumber) & ~Builder._REQUIRED_BIT; |
| 405 _writeField(output, tagNumber, fieldType, fieldValue); |
| 406 } |
| 407 unknownFields.writeToCodedBufferWriter(output); |
| 408 } |
| 409 |
| 410 void _writeField(CodedBufferWriter output, int tagNumber, int fieldType, |
| 411 var fieldValue) { |
| 412 switch (fieldType) { |
| 413 case Builder._OPTIONAL_BOOL: |
| 414 output.writeBool(tagNumber, fieldValue); |
| 415 break; |
| 416 case Builder._OPTIONAL_BYTES: |
| 417 output.writeBytes(tagNumber, fieldValue); |
| 418 break; |
| 419 case Builder._OPTIONAL_STRING: |
| 420 output.writeString(tagNumber, fieldValue); |
| 421 break; |
| 422 case Builder._OPTIONAL_FLOAT: |
| 423 output.writeFloat(tagNumber, fieldValue); |
| 424 break; |
| 425 case Builder._OPTIONAL_DOUBLE: |
| 426 output.writeDouble(tagNumber, fieldValue); |
| 427 break; |
| 428 case Builder._OPTIONAL_ENUM: |
| 429 output.writeEnum(tagNumber, fieldValue); |
| 430 break; |
| 431 case Builder._OPTIONAL_GROUP: |
| 432 output.writeGroup(tagNumber, fieldValue); |
| 433 break; |
| 434 case Builder._OPTIONAL_INT32: |
| 435 output.writeInt32(tagNumber, fieldValue); |
| 436 break; |
| 437 case Builder._OPTIONAL_INT64: |
| 438 output.writeInt64(tagNumber, fieldValue); |
| 439 break; |
| 440 case Builder._OPTIONAL_SINT32: |
| 441 output.writeSint32(tagNumber, fieldValue); |
| 442 break; |
| 443 case Builder._OPTIONAL_SINT64: |
| 444 output.writeSint64(tagNumber, fieldValue); |
| 445 break; |
| 446 case Builder._OPTIONAL_UINT32: |
| 447 output.writeUint32(tagNumber, fieldValue); |
| 448 break; |
| 449 case Builder._OPTIONAL_UINT64: |
| 450 output.writeUint64(tagNumber, fieldValue); |
| 451 break; |
| 452 case Builder._OPTIONAL_FIXED32: |
| 453 output.writeFixed32(tagNumber, fieldValue); |
| 454 break; |
| 455 case Builder._OPTIONAL_FIXED64: |
| 456 output.writeFixed64(tagNumber, fieldValue); |
| 457 break; |
| 458 case Builder._OPTIONAL_SFIXED32: |
| 459 output.writeSfixed32(tagNumber, fieldValue); |
| 460 break; |
| 461 case Builder._OPTIONAL_SFIXED64: |
| 462 output.writeSfixed64(tagNumber, fieldValue); |
| 463 break; |
| 464 case Builder._OPTIONAL_MESSAGE: |
| 465 output.writeMessage(tagNumber, fieldValue); |
| 466 break; |
| 467 case Builder._REPEATED_BOOL: |
| 468 for (bool val in fieldValue) { |
| 469 output.writeBool(tagNumber, val); |
| 470 } |
| 471 break; |
| 472 case Builder._REPEATED_BYTES: |
| 473 for (List<int> val in fieldValue) { |
| 474 output.writeBytes(tagNumber, val); |
| 475 } |
| 476 break; |
| 477 case Builder._REPEATED_STRING: |
| 478 for (String val in fieldValue) { |
| 479 output.writeString(tagNumber, val); |
| 480 } |
| 481 break; |
| 482 case Builder._REPEATED_FLOAT: |
| 483 for (double val in fieldValue) { |
| 484 output.writeFloat(tagNumber, val); |
| 485 } |
| 486 break; |
| 487 case Builder._REPEATED_DOUBLE: |
| 488 for (double val in fieldValue) { |
| 489 output.writeDouble(tagNumber, val); |
| 490 } |
| 491 break; |
| 492 case Builder._REPEATED_ENUM: |
| 493 for (var val in fieldValue) { |
| 494 output.writeEnum(tagNumber, val); |
| 495 } |
| 496 break; |
| 497 case Builder._REPEATED_GROUP: |
| 498 for (var val in fieldValue) { |
| 499 output.writeGroup(tagNumber, val); |
| 500 } |
| 501 break; |
| 502 case Builder._REPEATED_INT32: |
| 503 for (int val in fieldValue) { |
| 504 output.writeInt32(tagNumber, val); |
| 505 } |
| 506 break; |
| 507 case Builder._REPEATED_INT64: |
| 508 for (int val in fieldValue) { |
| 509 output.writeInt64(tagNumber, val); |
| 510 } |
| 511 break; |
| 512 case Builder._REPEATED_SINT32: |
| 513 for (int val in fieldValue) { |
| 514 output.writeSint32(tagNumber, val); |
| 515 } |
| 516 break; |
| 517 case Builder._REPEATED_SINT64: |
| 518 for (int val in fieldValue) { |
| 519 output.writeSint64(tagNumber, val); |
| 520 } |
| 521 break; |
| 522 case Builder._REPEATED_UINT32: |
| 523 for (int val in fieldValue) { |
| 524 output.writeUint32(tagNumber, val); |
| 525 } |
| 526 break; |
| 527 case Builder._REPEATED_UINT64: |
| 528 for (int val in fieldValue) { |
| 529 output.writeUint64(tagNumber, val); |
| 530 } |
| 531 break; |
| 532 case Builder._REPEATED_FIXED32: |
| 533 for (int val in fieldValue) { |
| 534 output.writeFixed32(tagNumber, val); |
| 535 } |
| 536 break; |
| 537 case Builder._REPEATED_FIXED64: |
| 538 for (int val in fieldValue) { |
| 539 output.writeFixed64(tagNumber, val); |
| 540 } |
| 541 break; |
| 542 case Builder._REPEATED_SFIXED32: |
| 543 for (int val in fieldValue) { |
| 544 output.writeSfixed32(tagNumber, val); |
| 545 } |
| 546 break; |
| 547 case Builder._REPEATED_SFIXED64: |
| 548 for (int val in fieldValue) { |
| 549 output.writeSfixed64(tagNumber, val); |
| 550 } |
| 551 break; |
| 552 case Builder._REPEATED_MESSAGE: |
| 553 for (Message val in fieldValue) { |
| 554 output.writeMessage(tagNumber, val); |
| 555 } |
| 556 break; |
| 557 case Builder._PACKED_BOOL: |
| 558 _writePacked(output, tagNumber, fieldValue, |
| 559 output.writeBoolNoTag); |
| 560 break; |
| 561 case Builder._PACKED_FLOAT: |
| 562 _writePacked(output, tagNumber, fieldValue, |
| 563 output.writeFloatNoTag); |
| 564 break; |
| 565 case Builder._PACKED_DOUBLE: |
| 566 _writePacked(output, tagNumber, fieldValue, |
| 567 output.writeDoubleNoTag); |
| 568 break; |
| 569 case Builder._PACKED_ENUM: |
| 570 _writePacked(output, tagNumber, fieldValue, |
| 571 output.writeEnumNoTag); |
| 572 break; |
| 573 case Builder._PACKED_INT32: |
| 574 _writePacked(output, tagNumber, fieldValue, |
| 575 output.writeInt32NoTag); |
| 576 break; |
| 577 case Builder._PACKED_INT64: |
| 578 _writePacked(output, tagNumber, fieldValue, |
| 579 output.writeInt64NoTag); |
| 580 break; |
| 581 case Builder._PACKED_UINT32: |
| 582 _writePacked(output, tagNumber, fieldValue, |
| 583 output.writeUint32NoTag); |
| 584 break; |
| 585 case Builder._PACKED_UINT64: |
| 586 _writePacked(output, tagNumber, fieldValue, |
| 587 output.writeUint64NoTag); |
| 588 break; |
| 589 case Builder._PACKED_SINT32: |
| 590 _writePacked(output, tagNumber, fieldValue, |
| 591 output.writeSint32NoTag); |
| 592 break; |
| 593 case Builder._PACKED_SINT64: |
| 594 _writePacked(output, tagNumber, fieldValue, |
| 595 output.writeSint64NoTag); |
| 596 break; |
| 597 case Builder._PACKED_FIXED32: |
| 598 _writePacked(output, tagNumber, fieldValue, |
| 599 output.writeFixed32NoTag); |
| 600 break; |
| 601 case Builder._PACKED_FIXED64: |
| 602 _writePacked(output, tagNumber, fieldValue, |
| 603 output.writeFixed64NoTag); |
| 604 break; |
| 605 case Builder._PACKED_SFIXED32: |
| 606 _writePacked(output, tagNumber, fieldValue, |
| 607 output.writeSfixed32NoTag); |
| 608 break; |
| 609 case Builder._PACKED_SFIXED64: |
| 610 _writePacked(output, tagNumber, fieldValue, |
| 611 output.writeSfixed64NoTag); |
| 612 break; |
| 613 default: |
| 614 throw "Unknown type $fieldType"; |
| 615 } |
| 616 } |
| 617 |
| 618 void _writePacked(CodedBufferWriter output, int tagNumber, List values, |
| 619 var writeFunc) { |
| 620 if (values.length > 0) { |
| 621 output.writeTag(tagNumber, WireFormat.WIRETYPE_LENGTH_DELIMITED); |
| 622 output.writeInt32NoTag(_serializedSize[tagNumber]); |
| 623 } |
| 624 for (var val in values) { |
| 625 writeFunc(val); |
| 626 } |
| 627 } |
| 628 |
| 629 /** |
| 630 * Return [:true:] if the given extension field contains data. Returns |
| 631 * [:false:] for a repeated field with no elements. |
| 632 */ |
| 633 bool hasExtension(Extension extension) { |
| 634 return hasField(extension.tagNumber); |
| 635 } |
| 636 |
| 637 /** |
| 638 * Returns the value of the given extension. For repeated fields that have |
| 639 * not been set previously, [:null:] is returned. |
| 640 */ |
| 641 Dynamic getExtension(Extension extension) { |
| 642 var value = _fieldValues[extension.tagNumber]; |
| 643 // Initialize the field |
| 644 if (value === null) { |
| 645 var defaultFunc = extension.makeDefault; |
| 646 if (defaultFunc != null) { |
| 647 value = defaultFunc(); |
| 648 } |
| 649 if (value != null) { |
| 650 _fieldValues[extension.tagNumber] = value; |
| 651 } |
| 652 } |
| 653 return value; |
| 654 } |
| 655 |
| 656 int getExtensionCount(Extension extension) { |
| 657 List list = _fieldValues[extension.tagNumber]; |
| 658 return list === null ? 0 : list.length; |
| 659 } |
| 660 |
| 661 // JSON support |
| 662 |
| 663 // Append a JSON value to a StringBuffer |
| 664 void _writeJsonValue(var fieldValue, int fieldType, StringBuffer sb) { |
| 665 fieldType &= ~(Builder._REPEATED_BIT | Builder._PACKED_BIT); |
| 666 switch (fieldType) { |
| 667 case Builder._BOOL_BIT: |
| 668 sb.add(fieldValue == true ? "true" : "false"); |
| 669 break; |
| 670 case Builder._BYTES_BIT: |
| 671 // Encode 'bytes' as a base64-encoded string |
| 672 sb.add('"'); |
| 673 sb.add(Base64Codec.defaultInstance.encodeList(fieldValue)); |
| 674 sb.add('"'); |
| 675 break; |
| 676 case Builder._STRING_BIT: |
| 677 // Perform string escaping |
| 678 sb.add('"'); |
| 679 sb.add(PbCodec.escapeString(fieldValue)); |
| 680 sb.add('"'); |
| 681 break; |
| 682 case Builder._FLOAT_BIT: |
| 683 case Builder._DOUBLE_BIT: |
| 684 // Force 'xxx.0' output for integral values |
| 685 if (fieldValue.floor() == fieldValue) { |
| 686 sb.add(fieldValue.floor().toInt()); |
| 687 sb.add('.0'); |
| 688 } else { |
| 689 sb.add(fieldValue); |
| 690 } |
| 691 break; |
| 692 case Builder._ENUM_BIT: |
| 693 ProtobufEnum enum = fieldValue; |
| 694 sb.add(enum.value); // assume |value| < 2^52 |
| 695 break; |
| 696 case Builder._INT32_BIT: |
| 697 case Builder._SINT32_BIT: |
| 698 case Builder._UINT32_BIT: |
| 699 case Builder._FIXED32_BIT: |
| 700 case Builder._SFIXED32_BIT: |
| 701 sb.add(fieldValue); |
| 702 break; |
| 703 case Builder._INT64_BIT: |
| 704 case Builder._SINT64_BIT: |
| 705 case Builder._UINT64_BIT: |
| 706 case Builder._FIXED64_BIT: |
| 707 case Builder._SFIXED64_BIT: |
| 708 sb.add('"$fieldValue"'); |
| 709 break; |
| 710 case Builder._GROUP_BIT: |
| 711 case Builder._MESSAGE_BIT: |
| 712 fieldValue._toJson(sb); |
| 713 break; |
| 714 default: |
| 715 throw "Unknown type $fieldType"; |
| 716 } |
| 717 } |
| 718 |
| 719 // Convert this message to JSON, appending it to a StringBuffer |
| 720 String _toJson(StringBuffer sb) { |
| 721 List<int> keys = new List<int>.from(_fieldValues.getKeys()); |
| 722 keys.sort((a, b) => a.compareTo(b)); |
| 723 sb.add("{"); |
| 724 bool firstTime = true; |
| 725 for (int tagNumber in keys) { |
| 726 if (!firstTime) { |
| 727 sb.add(","); |
| 728 } |
| 729 firstTime = false; |
| 730 String tagName = _builderInfo.fieldName(tagNumber); |
| 731 sb.add('\"$tagNumber\":'); |
| 732 var fieldValue = _fieldValues[tagNumber]; |
| 733 int fieldType = _getFieldType(tagNumber) & ~Builder._REQUIRED_BIT; |
| 734 if ((fieldType & Builder._REPEATED_BIT) != 0) { |
| 735 // Encoded repeated values as an array |
| 736 sb.add("["); |
| 737 bool ft = true; |
| 738 for (var value in fieldValue) { |
| 739 if (!ft) { |
| 740 sb.add(","); |
| 741 } |
| 742 ft = false; |
| 743 _writeJsonValue(value, fieldType, sb); |
| 744 } |
| 745 sb.add("]"); |
| 746 } else { |
| 747 _writeJsonValue(fieldValue, fieldType, sb); |
| 748 } |
| 749 } |
| 750 sb.add("}"); |
| 751 } |
| 752 |
| 753 /** |
| 754 * Return a JSON string that encodes this message. Each message (top level |
| 755 * or nested) is represented as an object delimited by curly braces. Within |
| 756 * a message, elements are indexed by tag number (surrounded by quotes). |
| 757 * Repeated elements are represented as arrays. |
| 758 * |
| 759 * Boolean values, strings, and floating-point values are represented as |
| 760 * literals. Values with a 32-bit integer datatype are represented as integer |
| 761 * literals; values with a 64-bit integer datatype (regardless of their |
| 762 * actual runtime value) are represented as strings. Enumerated values are |
| 763 * represented as their integer value. |
| 764 */ |
| 765 String writeToJson() { |
| 766 StringBuffer sb = new StringBuffer(); |
| 767 _toJson(sb); |
| 768 return sb.toString(); |
| 769 } |
| 770 |
| 771 // Called from generated code |
| 772 static GeneratedMessage parseJson(Builder builder, String input, |
| 773 [ExtensionRegistry extensionRegistry]) { |
| 774 return builder.mergeFromJson(input, extensionRegistry).buildParsed(); |
| 775 } |
| 776 } |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 10595002:
Protocol Buffer runtime library and 'protoc' plugin (Closed)
Base URL: https://dart.googlecode.com/svn/branches/bleeding_edge/dart