kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 1 | // Protocol Buffers - Google's data interchange format |
| 2 | // Copyright 2008 Google Inc. All rights reserved. |
| 3 | // http://code.google.com/p/protobuf/ |
| 4 | // |
| 5 | // Redistribution and use in source and binary forms, with or without |
| 6 | // modification, are permitted provided that the following conditions are |
| 7 | // met: |
| 8 | // |
| 9 | // * Redistributions of source code must retain the above copyright |
| 10 | // notice, this list of conditions and the following disclaimer. |
| 11 | // * Redistributions in binary form must reproduce the above |
| 12 | // copyright notice, this list of conditions and the following disclaimer |
| 13 | // in the documentation and/or other materials provided with the |
| 14 | // distribution. |
| 15 | // * Neither the name of Google Inc. nor the names of its |
| 16 | // contributors may be used to endorse or promote products derived from |
| 17 | // this software without specific prior written permission. |
| 18 | // |
| 19 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 20 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 21 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 22 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 23 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 24 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 25 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 26 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 27 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 28 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 29 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 30 | |
| 31 | // Author: kenton@google.com (Kenton Varda) |
| 32 | // wink@google.com (Wink Saville) (refactored from wire_format.h) |
| 33 | // Based on original Protocol Buffers design by |
| 34 | // Sanjay Ghemawat, Jeff Dean, and others. |
| 35 | |
| 36 | #ifndef GOOGLE_PROTOBUF_WIRE_FORMAT_LITE_INL_H__ |
| 37 | #define GOOGLE_PROTOBUF_WIRE_FORMAT_LITE_INL_H__ |
| 38 | |
| 39 | #include <string> |
| 40 | #include <google/protobuf/stubs/common.h> |
| 41 | #include <google/protobuf/message_lite.h> |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 42 | #include <google/protobuf/repeated_field.h> |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 43 | #include <google/protobuf/wire_format_lite.h> |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 44 | #include <google/protobuf/generated_message_util.h> |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 45 | #include <google/protobuf/io/coded_stream.h> |
| 46 | |
| 47 | |
| 48 | namespace google { |
| 49 | namespace protobuf { |
| 50 | namespace internal { |
| 51 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 52 | // Implementation details of ReadPrimitive. |
| 53 | |
| 54 | template <> |
| 55 | inline bool WireFormatLite::ReadPrimitive<int32, WireFormatLite::TYPE_INT32>( |
| 56 | io::CodedInputStream* input, |
| 57 | int32* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 58 | uint32 temp; |
| 59 | if (!input->ReadVarint32(&temp)) return false; |
| 60 | *value = static_cast<int32>(temp); |
| 61 | return true; |
| 62 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 63 | template <> |
| 64 | inline bool WireFormatLite::ReadPrimitive<int64, WireFormatLite::TYPE_INT64>( |
| 65 | io::CodedInputStream* input, |
| 66 | int64* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 67 | uint64 temp; |
| 68 | if (!input->ReadVarint64(&temp)) return false; |
| 69 | *value = static_cast<int64>(temp); |
| 70 | return true; |
| 71 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 72 | template <> |
| 73 | inline bool WireFormatLite::ReadPrimitive<uint32, WireFormatLite::TYPE_UINT32>( |
| 74 | io::CodedInputStream* input, |
| 75 | uint32* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 76 | return input->ReadVarint32(value); |
| 77 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 78 | template <> |
| 79 | inline bool WireFormatLite::ReadPrimitive<uint64, WireFormatLite::TYPE_UINT64>( |
| 80 | io::CodedInputStream* input, |
| 81 | uint64* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 82 | return input->ReadVarint64(value); |
| 83 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 84 | template <> |
| 85 | inline bool WireFormatLite::ReadPrimitive<int32, WireFormatLite::TYPE_SINT32>( |
| 86 | io::CodedInputStream* input, |
| 87 | int32* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 88 | uint32 temp; |
| 89 | if (!input->ReadVarint32(&temp)) return false; |
| 90 | *value = ZigZagDecode32(temp); |
| 91 | return true; |
| 92 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 93 | template <> |
| 94 | inline bool WireFormatLite::ReadPrimitive<int64, WireFormatLite::TYPE_SINT64>( |
| 95 | io::CodedInputStream* input, |
| 96 | int64* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 97 | uint64 temp; |
| 98 | if (!input->ReadVarint64(&temp)) return false; |
| 99 | *value = ZigZagDecode64(temp); |
| 100 | return true; |
| 101 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 102 | template <> |
| 103 | inline bool WireFormatLite::ReadPrimitive<uint32, WireFormatLite::TYPE_FIXED32>( |
| 104 | io::CodedInputStream* input, |
| 105 | uint32* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 106 | return input->ReadLittleEndian32(value); |
| 107 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 108 | template <> |
| 109 | inline bool WireFormatLite::ReadPrimitive<uint64, WireFormatLite::TYPE_FIXED64>( |
| 110 | io::CodedInputStream* input, |
| 111 | uint64* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 112 | return input->ReadLittleEndian64(value); |
| 113 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 114 | template <> |
| 115 | inline bool WireFormatLite::ReadPrimitive<int32, WireFormatLite::TYPE_SFIXED32>( |
| 116 | io::CodedInputStream* input, |
| 117 | int32* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 118 | uint32 temp; |
| 119 | if (!input->ReadLittleEndian32(&temp)) return false; |
| 120 | *value = static_cast<int32>(temp); |
| 121 | return true; |
| 122 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 123 | template <> |
| 124 | inline bool WireFormatLite::ReadPrimitive<int64, WireFormatLite::TYPE_SFIXED64>( |
| 125 | io::CodedInputStream* input, |
| 126 | int64* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 127 | uint64 temp; |
| 128 | if (!input->ReadLittleEndian64(&temp)) return false; |
| 129 | *value = static_cast<int64>(temp); |
| 130 | return true; |
| 131 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 132 | template <> |
| 133 | inline bool WireFormatLite::ReadPrimitive<float, WireFormatLite::TYPE_FLOAT>( |
| 134 | io::CodedInputStream* input, |
| 135 | float* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 136 | uint32 temp; |
| 137 | if (!input->ReadLittleEndian32(&temp)) return false; |
| 138 | *value = DecodeFloat(temp); |
| 139 | return true; |
| 140 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 141 | template <> |
| 142 | inline bool WireFormatLite::ReadPrimitive<double, WireFormatLite::TYPE_DOUBLE>( |
| 143 | io::CodedInputStream* input, |
| 144 | double* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 145 | uint64 temp; |
| 146 | if (!input->ReadLittleEndian64(&temp)) return false; |
| 147 | *value = DecodeDouble(temp); |
| 148 | return true; |
| 149 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 150 | template <> |
| 151 | inline bool WireFormatLite::ReadPrimitive<bool, WireFormatLite::TYPE_BOOL>( |
| 152 | io::CodedInputStream* input, |
| 153 | bool* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 154 | uint32 temp; |
| 155 | if (!input->ReadVarint32(&temp)) return false; |
| 156 | *value = temp != 0; |
| 157 | return true; |
| 158 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 159 | template <> |
| 160 | inline bool WireFormatLite::ReadPrimitive<int, WireFormatLite::TYPE_ENUM>( |
| 161 | io::CodedInputStream* input, |
| 162 | int* value) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 163 | uint32 temp; |
| 164 | if (!input->ReadVarint32(&temp)) return false; |
| 165 | *value = static_cast<int>(temp); |
| 166 | return true; |
| 167 | } |
| 168 | |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 169 | template <> |
| 170 | inline const uint8* WireFormatLite::ReadPrimitiveFromArray< |
| 171 | uint32, WireFormatLite::TYPE_FIXED32>( |
| 172 | const uint8* buffer, |
| 173 | uint32* value) { |
| 174 | return io::CodedInputStream::ReadLittleEndian32FromArray(buffer, value); |
| 175 | } |
| 176 | template <> |
| 177 | inline const uint8* WireFormatLite::ReadPrimitiveFromArray< |
| 178 | uint64, WireFormatLite::TYPE_FIXED64>( |
| 179 | const uint8* buffer, |
| 180 | uint64* value) { |
| 181 | return io::CodedInputStream::ReadLittleEndian64FromArray(buffer, value); |
| 182 | } |
| 183 | template <> |
| 184 | inline const uint8* WireFormatLite::ReadPrimitiveFromArray< |
| 185 | int32, WireFormatLite::TYPE_SFIXED32>( |
| 186 | const uint8* buffer, |
| 187 | int32* value) { |
| 188 | uint32 temp; |
| 189 | buffer = io::CodedInputStream::ReadLittleEndian32FromArray(buffer, &temp); |
| 190 | *value = static_cast<int32>(temp); |
| 191 | return buffer; |
| 192 | } |
| 193 | template <> |
| 194 | inline const uint8* WireFormatLite::ReadPrimitiveFromArray< |
| 195 | int64, WireFormatLite::TYPE_SFIXED64>( |
| 196 | const uint8* buffer, |
| 197 | int64* value) { |
| 198 | uint64 temp; |
| 199 | buffer = io::CodedInputStream::ReadLittleEndian64FromArray(buffer, &temp); |
| 200 | *value = static_cast<int64>(temp); |
| 201 | return buffer; |
| 202 | } |
| 203 | template <> |
| 204 | inline const uint8* WireFormatLite::ReadPrimitiveFromArray< |
| 205 | float, WireFormatLite::TYPE_FLOAT>( |
| 206 | const uint8* buffer, |
| 207 | float* value) { |
| 208 | uint32 temp; |
| 209 | buffer = io::CodedInputStream::ReadLittleEndian32FromArray(buffer, &temp); |
| 210 | *value = DecodeFloat(temp); |
| 211 | return buffer; |
| 212 | } |
| 213 | template <> |
| 214 | inline const uint8* WireFormatLite::ReadPrimitiveFromArray< |
| 215 | double, WireFormatLite::TYPE_DOUBLE>( |
| 216 | const uint8* buffer, |
| 217 | double* value) { |
| 218 | uint64 temp; |
| 219 | buffer = io::CodedInputStream::ReadLittleEndian64FromArray(buffer, &temp); |
| 220 | *value = DecodeDouble(temp); |
| 221 | return buffer; |
| 222 | } |
| 223 | |
| 224 | template <typename CType, enum WireFormatLite::FieldType DeclaredType> |
| 225 | inline bool WireFormatLite::ReadRepeatedPrimitive(int tag_size, |
| 226 | uint32 tag, |
| 227 | io::CodedInputStream* input, |
| 228 | RepeatedField<CType>* values) { |
| 229 | CType value; |
| 230 | if (!ReadPrimitive<CType, DeclaredType>(input, &value)) return false; |
| 231 | values->Add(value); |
| 232 | int elements_already_reserved = values->Capacity() - values->size(); |
| 233 | while (elements_already_reserved > 0 && input->ExpectTag(tag)) { |
| 234 | if (!ReadPrimitive<CType, DeclaredType>(input, &value)) return false; |
| 235 | values->AddAlreadyReserved(value); |
| 236 | elements_already_reserved--; |
| 237 | } |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 238 | return true; |
| 239 | } |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 240 | |
| 241 | template <typename CType, enum WireFormatLite::FieldType DeclaredType> |
| 242 | inline bool WireFormatLite::ReadRepeatedFixedSizePrimitive( |
| 243 | int tag_size, |
| 244 | uint32 tag, |
| 245 | io::CodedInputStream* input, |
| 246 | RepeatedField<CType>* values) { |
| 247 | GOOGLE_DCHECK_EQ(UInt32Size(tag), tag_size); |
| 248 | CType value; |
| 249 | if (!ReadPrimitive<CType, DeclaredType>(input, &value)) |
| 250 | return false; |
| 251 | values->Add(value); |
| 252 | |
| 253 | // For fixed size values, repeated values can be read more quickly by |
| 254 | // reading directly from a raw array. |
| 255 | // |
| 256 | // We can get a tight loop by only reading as many elements as can be |
| 257 | // added to the RepeatedField without having to do any resizing. Additionally, |
| 258 | // we only try to read as many elements as are available from the current |
| 259 | // buffer space. Doing so avoids having to perform boundary checks when |
| 260 | // reading the value: the maximum number of elements that can be read is |
| 261 | // known outside of the loop. |
| 262 | const void* void_pointer; |
| 263 | int size; |
| 264 | input->GetDirectBufferPointerInline(&void_pointer, &size); |
| 265 | if (size > 0) { |
| 266 | const uint8* buffer = reinterpret_cast<const uint8*>(void_pointer); |
| 267 | // The number of bytes each type occupies on the wire. |
| 268 | const int per_value_size = tag_size + sizeof(value); |
| 269 | |
| 270 | int elements_available = min(values->Capacity() - values->size(), |
| 271 | size / per_value_size); |
| 272 | int num_read = 0; |
| 273 | while (num_read < elements_available && |
| 274 | (buffer = io::CodedInputStream::ExpectTagFromArray( |
| 275 | buffer, tag)) != NULL) { |
| 276 | buffer = ReadPrimitiveFromArray<CType, DeclaredType>(buffer, &value); |
| 277 | values->AddAlreadyReserved(value); |
| 278 | ++num_read; |
| 279 | } |
| 280 | const int read_bytes = num_read * per_value_size; |
| 281 | if (read_bytes > 0) { |
| 282 | input->Skip(read_bytes); |
| 283 | } |
| 284 | } |
| 285 | return true; |
| 286 | } |
| 287 | |
| 288 | // Specializations of ReadRepeatedPrimitive for the fixed size types, which use |
| 289 | // the optimized code path. |
| 290 | #define READ_REPEATED_FIXED_SIZE_PRIMITIVE(CPPTYPE, DECLARED_TYPE) \ |
| 291 | template <> \ |
| 292 | inline bool WireFormatLite::ReadRepeatedPrimitive< \ |
| 293 | CPPTYPE, WireFormatLite::DECLARED_TYPE>( \ |
| 294 | int tag_size, \ |
| 295 | uint32 tag, \ |
| 296 | io::CodedInputStream* input, \ |
| 297 | RepeatedField<CPPTYPE>* values) { \ |
| 298 | return ReadRepeatedFixedSizePrimitive< \ |
| 299 | CPPTYPE, WireFormatLite::DECLARED_TYPE>( \ |
| 300 | tag_size, tag, input, values); \ |
| 301 | } |
| 302 | |
| 303 | READ_REPEATED_FIXED_SIZE_PRIMITIVE(uint32, TYPE_FIXED32); |
| 304 | READ_REPEATED_FIXED_SIZE_PRIMITIVE(uint64, TYPE_FIXED64); |
| 305 | READ_REPEATED_FIXED_SIZE_PRIMITIVE(int32, TYPE_SFIXED32); |
| 306 | READ_REPEATED_FIXED_SIZE_PRIMITIVE(int64, TYPE_SFIXED64); |
| 307 | READ_REPEATED_FIXED_SIZE_PRIMITIVE(float, TYPE_FLOAT); |
| 308 | READ_REPEATED_FIXED_SIZE_PRIMITIVE(double, TYPE_DOUBLE); |
| 309 | |
| 310 | #undef READ_REPEATED_FIXED_SIZE_PRIMITIVE |
| 311 | |
| 312 | template <typename CType, enum WireFormatLite::FieldType DeclaredType> |
| 313 | bool WireFormatLite::ReadRepeatedPrimitiveNoInline( |
| 314 | int tag_size, |
| 315 | uint32 tag, |
| 316 | io::CodedInputStream* input, |
| 317 | RepeatedField<CType>* value) { |
| 318 | return ReadRepeatedPrimitive<CType, DeclaredType>( |
| 319 | tag_size, tag, input, value); |
| 320 | } |
| 321 | |
| 322 | template <typename CType, enum WireFormatLite::FieldType DeclaredType> |
| 323 | inline bool WireFormatLite::ReadPackedPrimitive(io::CodedInputStream* input, |
| 324 | RepeatedField<CType>* values) { |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 325 | uint32 length; |
| 326 | if (!input->ReadVarint32(&length)) return false; |
kenton@google.com | fccb146 | 2009-12-18 02:11:36 +0000 | [diff] [blame] | 327 | io::CodedInputStream::Limit limit = input->PushLimit(length); |
| 328 | while (input->BytesUntilLimit() > 0) { |
| 329 | CType value; |
| 330 | if (!ReadPrimitive<CType, DeclaredType>(input, &value)) return false; |
| 331 | values->Add(value); |
| 332 | } |
| 333 | input->PopLimit(limit); |
| 334 | return true; |
| 335 | } |
| 336 | |
| 337 | template <typename CType, enum WireFormatLite::FieldType DeclaredType> |
| 338 | bool WireFormatLite::ReadPackedPrimitiveNoInline(io::CodedInputStream* input, |
| 339 | RepeatedField<CType>* values) { |
| 340 | return ReadPackedPrimitive<CType, DeclaredType>(input, values); |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 341 | } |
| 342 | |
| 343 | |
| 344 | inline bool WireFormatLite::ReadGroup(int field_number, |
| 345 | io::CodedInputStream* input, |
| 346 | MessageLite* value) { |
| 347 | if (!input->IncrementRecursionDepth()) return false; |
| 348 | if (!value->MergePartialFromCodedStream(input)) return false; |
| 349 | input->DecrementRecursionDepth(); |
| 350 | // Make sure the last thing read was an end tag for this group. |
| 351 | if (!input->LastTagWas(MakeTag(field_number, WIRETYPE_END_GROUP))) { |
| 352 | return false; |
| 353 | } |
| 354 | return true; |
| 355 | } |
| 356 | inline bool WireFormatLite::ReadMessage(io::CodedInputStream* input, |
| 357 | MessageLite* value) { |
| 358 | uint32 length; |
| 359 | if (!input->ReadVarint32(&length)) return false; |
| 360 | if (!input->IncrementRecursionDepth()) return false; |
| 361 | io::CodedInputStream::Limit limit = input->PushLimit(length); |
| 362 | if (!value->MergePartialFromCodedStream(input)) return false; |
| 363 | // Make sure that parsing stopped when the limit was hit, not at an endgroup |
| 364 | // tag. |
| 365 | if (!input->ConsumedEntireMessage()) return false; |
| 366 | input->PopLimit(limit); |
| 367 | input->DecrementRecursionDepth(); |
| 368 | return true; |
| 369 | } |
| 370 | |
| 371 | template<typename MessageType> |
| 372 | inline bool WireFormatLite::ReadGroupNoVirtual(int field_number, |
| 373 | io::CodedInputStream* input, |
| 374 | MessageType* value) { |
| 375 | if (!input->IncrementRecursionDepth()) return false; |
| 376 | if (!value->MessageType::MergePartialFromCodedStream(input)) return false; |
| 377 | input->DecrementRecursionDepth(); |
| 378 | // Make sure the last thing read was an end tag for this group. |
| 379 | if (!input->LastTagWas(MakeTag(field_number, WIRETYPE_END_GROUP))) { |
| 380 | return false; |
| 381 | } |
| 382 | return true; |
| 383 | } |
| 384 | template<typename MessageType> |
| 385 | inline bool WireFormatLite::ReadMessageNoVirtual(io::CodedInputStream* input, |
| 386 | MessageType* value) { |
| 387 | uint32 length; |
| 388 | if (!input->ReadVarint32(&length)) return false; |
| 389 | if (!input->IncrementRecursionDepth()) return false; |
| 390 | io::CodedInputStream::Limit limit = input->PushLimit(length); |
| 391 | if (!value->MessageType::MergePartialFromCodedStream(input)) return false; |
| 392 | // Make sure that parsing stopped when the limit was hit, not at an endgroup |
| 393 | // tag. |
| 394 | if (!input->ConsumedEntireMessage()) return false; |
| 395 | input->PopLimit(limit); |
| 396 | input->DecrementRecursionDepth(); |
| 397 | return true; |
| 398 | } |
| 399 | |
| 400 | // =================================================================== |
| 401 | |
| 402 | inline void WireFormatLite::WriteTag(int field_number, WireType type, |
| 403 | io::CodedOutputStream* output) { |
| 404 | output->WriteTag(MakeTag(field_number, type)); |
| 405 | } |
| 406 | |
| 407 | inline void WireFormatLite::WriteInt32NoTag(int32 value, |
| 408 | io::CodedOutputStream* output) { |
| 409 | output->WriteVarint32SignExtended(value); |
| 410 | } |
| 411 | inline void WireFormatLite::WriteInt64NoTag(int64 value, |
| 412 | io::CodedOutputStream* output) { |
| 413 | output->WriteVarint64(static_cast<uint64>(value)); |
| 414 | } |
| 415 | inline void WireFormatLite::WriteUInt32NoTag(uint32 value, |
| 416 | io::CodedOutputStream* output) { |
| 417 | output->WriteVarint32(value); |
| 418 | } |
| 419 | inline void WireFormatLite::WriteUInt64NoTag(uint64 value, |
| 420 | io::CodedOutputStream* output) { |
| 421 | output->WriteVarint64(value); |
| 422 | } |
| 423 | inline void WireFormatLite::WriteSInt32NoTag(int32 value, |
| 424 | io::CodedOutputStream* output) { |
| 425 | output->WriteVarint32(ZigZagEncode32(value)); |
| 426 | } |
| 427 | inline void WireFormatLite::WriteSInt64NoTag(int64 value, |
| 428 | io::CodedOutputStream* output) { |
| 429 | output->WriteVarint64(ZigZagEncode64(value)); |
| 430 | } |
| 431 | inline void WireFormatLite::WriteFixed32NoTag(uint32 value, |
| 432 | io::CodedOutputStream* output) { |
| 433 | output->WriteLittleEndian32(value); |
| 434 | } |
| 435 | inline void WireFormatLite::WriteFixed64NoTag(uint64 value, |
| 436 | io::CodedOutputStream* output) { |
| 437 | output->WriteLittleEndian64(value); |
| 438 | } |
| 439 | inline void WireFormatLite::WriteSFixed32NoTag(int32 value, |
| 440 | io::CodedOutputStream* output) { |
| 441 | output->WriteLittleEndian32(static_cast<uint32>(value)); |
| 442 | } |
| 443 | inline void WireFormatLite::WriteSFixed64NoTag(int64 value, |
| 444 | io::CodedOutputStream* output) { |
| 445 | output->WriteLittleEndian64(static_cast<uint64>(value)); |
| 446 | } |
| 447 | inline void WireFormatLite::WriteFloatNoTag(float value, |
| 448 | io::CodedOutputStream* output) { |
| 449 | output->WriteLittleEndian32(EncodeFloat(value)); |
| 450 | } |
| 451 | inline void WireFormatLite::WriteDoubleNoTag(double value, |
| 452 | io::CodedOutputStream* output) { |
| 453 | output->WriteLittleEndian64(EncodeDouble(value)); |
| 454 | } |
| 455 | inline void WireFormatLite::WriteBoolNoTag(bool value, |
| 456 | io::CodedOutputStream* output) { |
| 457 | output->WriteVarint32(value ? 1 : 0); |
| 458 | } |
| 459 | inline void WireFormatLite::WriteEnumNoTag(int value, |
| 460 | io::CodedOutputStream* output) { |
| 461 | output->WriteVarint32SignExtended(value); |
| 462 | } |
| 463 | |
kenton@google.com | 80b1d62 | 2009-07-29 01:13:20 +0000 | [diff] [blame] | 464 | template<typename MessageType> |
| 465 | inline void WireFormatLite::WriteGroupNoVirtual(int field_number, |
| 466 | const MessageType& value, |
| 467 | io::CodedOutputStream* output) { |
| 468 | WriteTag(field_number, WIRETYPE_START_GROUP, output); |
| 469 | value.MessageType::SerializeWithCachedSizes(output); |
| 470 | WriteTag(field_number, WIRETYPE_END_GROUP, output); |
| 471 | } |
| 472 | template<typename MessageType> |
| 473 | inline void WireFormatLite::WriteMessageNoVirtual(int field_number, |
| 474 | const MessageType& value, |
| 475 | io::CodedOutputStream* output) { |
| 476 | WriteTag(field_number, WIRETYPE_LENGTH_DELIMITED, output); |
| 477 | output->WriteVarint32(value.MessageType::GetCachedSize()); |
| 478 | value.MessageType::SerializeWithCachedSizes(output); |
| 479 | } |
| 480 | |
| 481 | // =================================================================== |
| 482 | |
| 483 | inline uint8* WireFormatLite::WriteTagToArray(int field_number, |
| 484 | WireType type, |
| 485 | uint8* target) { |
| 486 | return io::CodedOutputStream::WriteTagToArray(MakeTag(field_number, type), |
| 487 | target); |
| 488 | } |
| 489 | |
| 490 | inline uint8* WireFormatLite::WriteInt32NoTagToArray(int32 value, |
| 491 | uint8* target) { |
| 492 | return io::CodedOutputStream::WriteVarint32SignExtendedToArray(value, target); |
| 493 | } |
| 494 | inline uint8* WireFormatLite::WriteInt64NoTagToArray(int64 value, |
| 495 | uint8* target) { |
| 496 | return io::CodedOutputStream::WriteVarint64ToArray( |
| 497 | static_cast<uint64>(value), target); |
| 498 | } |
| 499 | inline uint8* WireFormatLite::WriteUInt32NoTagToArray(uint32 value, |
| 500 | uint8* target) { |
| 501 | return io::CodedOutputStream::WriteVarint32ToArray(value, target); |
| 502 | } |
| 503 | inline uint8* WireFormatLite::WriteUInt64NoTagToArray(uint64 value, |
| 504 | uint8* target) { |
| 505 | return io::CodedOutputStream::WriteVarint64ToArray(value, target); |
| 506 | } |
| 507 | inline uint8* WireFormatLite::WriteSInt32NoTagToArray(int32 value, |
| 508 | uint8* target) { |
| 509 | return io::CodedOutputStream::WriteVarint32ToArray(ZigZagEncode32(value), |
| 510 | target); |
| 511 | } |
| 512 | inline uint8* WireFormatLite::WriteSInt64NoTagToArray(int64 value, |
| 513 | uint8* target) { |
| 514 | return io::CodedOutputStream::WriteVarint64ToArray(ZigZagEncode64(value), |
| 515 | target); |
| 516 | } |
| 517 | inline uint8* WireFormatLite::WriteFixed32NoTagToArray(uint32 value, |
| 518 | uint8* target) { |
| 519 | return io::CodedOutputStream::WriteLittleEndian32ToArray(value, target); |
| 520 | } |
| 521 | inline uint8* WireFormatLite::WriteFixed64NoTagToArray(uint64 value, |
| 522 | uint8* target) { |
| 523 | return io::CodedOutputStream::WriteLittleEndian64ToArray(value, target); |
| 524 | } |
| 525 | inline uint8* WireFormatLite::WriteSFixed32NoTagToArray(int32 value, |
| 526 | uint8* target) { |
| 527 | return io::CodedOutputStream::WriteLittleEndian32ToArray( |
| 528 | static_cast<uint32>(value), target); |
| 529 | } |
| 530 | inline uint8* WireFormatLite::WriteSFixed64NoTagToArray(int64 value, |
| 531 | uint8* target) { |
| 532 | return io::CodedOutputStream::WriteLittleEndian64ToArray( |
| 533 | static_cast<uint64>(value), target); |
| 534 | } |
| 535 | inline uint8* WireFormatLite::WriteFloatNoTagToArray(float value, |
| 536 | uint8* target) { |
| 537 | return io::CodedOutputStream::WriteLittleEndian32ToArray(EncodeFloat(value), |
| 538 | target); |
| 539 | } |
| 540 | inline uint8* WireFormatLite::WriteDoubleNoTagToArray(double value, |
| 541 | uint8* target) { |
| 542 | return io::CodedOutputStream::WriteLittleEndian64ToArray(EncodeDouble(value), |
| 543 | target); |
| 544 | } |
| 545 | inline uint8* WireFormatLite::WriteBoolNoTagToArray(bool value, |
| 546 | uint8* target) { |
| 547 | return io::CodedOutputStream::WriteVarint32ToArray(value ? 1 : 0, target); |
| 548 | } |
| 549 | inline uint8* WireFormatLite::WriteEnumNoTagToArray(int value, |
| 550 | uint8* target) { |
| 551 | return io::CodedOutputStream::WriteVarint32SignExtendedToArray(value, target); |
| 552 | } |
| 553 | |
| 554 | inline uint8* WireFormatLite::WriteInt32ToArray(int field_number, |
| 555 | int32 value, |
| 556 | uint8* target) { |
| 557 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 558 | return WriteInt32NoTagToArray(value, target); |
| 559 | } |
| 560 | inline uint8* WireFormatLite::WriteInt64ToArray(int field_number, |
| 561 | int64 value, |
| 562 | uint8* target) { |
| 563 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 564 | return WriteInt64NoTagToArray(value, target); |
| 565 | } |
| 566 | inline uint8* WireFormatLite::WriteUInt32ToArray(int field_number, |
| 567 | uint32 value, |
| 568 | uint8* target) { |
| 569 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 570 | return WriteUInt32NoTagToArray(value, target); |
| 571 | } |
| 572 | inline uint8* WireFormatLite::WriteUInt64ToArray(int field_number, |
| 573 | uint64 value, |
| 574 | uint8* target) { |
| 575 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 576 | return WriteUInt64NoTagToArray(value, target); |
| 577 | } |
| 578 | inline uint8* WireFormatLite::WriteSInt32ToArray(int field_number, |
| 579 | int32 value, |
| 580 | uint8* target) { |
| 581 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 582 | return WriteSInt32NoTagToArray(value, target); |
| 583 | } |
| 584 | inline uint8* WireFormatLite::WriteSInt64ToArray(int field_number, |
| 585 | int64 value, |
| 586 | uint8* target) { |
| 587 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 588 | return WriteSInt64NoTagToArray(value, target); |
| 589 | } |
| 590 | inline uint8* WireFormatLite::WriteFixed32ToArray(int field_number, |
| 591 | uint32 value, |
| 592 | uint8* target) { |
| 593 | target = WriteTagToArray(field_number, WIRETYPE_FIXED32, target); |
| 594 | return WriteFixed32NoTagToArray(value, target); |
| 595 | } |
| 596 | inline uint8* WireFormatLite::WriteFixed64ToArray(int field_number, |
| 597 | uint64 value, |
| 598 | uint8* target) { |
| 599 | target = WriteTagToArray(field_number, WIRETYPE_FIXED64, target); |
| 600 | return WriteFixed64NoTagToArray(value, target); |
| 601 | } |
| 602 | inline uint8* WireFormatLite::WriteSFixed32ToArray(int field_number, |
| 603 | int32 value, |
| 604 | uint8* target) { |
| 605 | target = WriteTagToArray(field_number, WIRETYPE_FIXED32, target); |
| 606 | return WriteSFixed32NoTagToArray(value, target); |
| 607 | } |
| 608 | inline uint8* WireFormatLite::WriteSFixed64ToArray(int field_number, |
| 609 | int64 value, |
| 610 | uint8* target) { |
| 611 | target = WriteTagToArray(field_number, WIRETYPE_FIXED64, target); |
| 612 | return WriteSFixed64NoTagToArray(value, target); |
| 613 | } |
| 614 | inline uint8* WireFormatLite::WriteFloatToArray(int field_number, |
| 615 | float value, |
| 616 | uint8* target) { |
| 617 | target = WriteTagToArray(field_number, WIRETYPE_FIXED32, target); |
| 618 | return WriteFloatNoTagToArray(value, target); |
| 619 | } |
| 620 | inline uint8* WireFormatLite::WriteDoubleToArray(int field_number, |
| 621 | double value, |
| 622 | uint8* target) { |
| 623 | target = WriteTagToArray(field_number, WIRETYPE_FIXED64, target); |
| 624 | return WriteDoubleNoTagToArray(value, target); |
| 625 | } |
| 626 | inline uint8* WireFormatLite::WriteBoolToArray(int field_number, |
| 627 | bool value, |
| 628 | uint8* target) { |
| 629 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 630 | return WriteBoolNoTagToArray(value, target); |
| 631 | } |
| 632 | inline uint8* WireFormatLite::WriteEnumToArray(int field_number, |
| 633 | int value, |
| 634 | uint8* target) { |
| 635 | target = WriteTagToArray(field_number, WIRETYPE_VARINT, target); |
| 636 | return WriteEnumNoTagToArray(value, target); |
| 637 | } |
| 638 | |
| 639 | inline uint8* WireFormatLite::WriteStringToArray(int field_number, |
| 640 | const string& value, |
| 641 | uint8* target) { |
| 642 | // String is for UTF-8 text only |
| 643 | // WARNING: In wire_format.cc, both strings and bytes are handled by |
| 644 | // WriteString() to avoid code duplication. If the implementations become |
| 645 | // different, you will need to update that usage. |
| 646 | target = WriteTagToArray(field_number, WIRETYPE_LENGTH_DELIMITED, target); |
| 647 | target = io::CodedOutputStream::WriteVarint32ToArray(value.size(), target); |
| 648 | return io::CodedOutputStream::WriteStringToArray(value, target); |
| 649 | } |
| 650 | inline uint8* WireFormatLite::WriteBytesToArray(int field_number, |
| 651 | const string& value, |
| 652 | uint8* target) { |
| 653 | target = WriteTagToArray(field_number, WIRETYPE_LENGTH_DELIMITED, target); |
| 654 | target = io::CodedOutputStream::WriteVarint32ToArray(value.size(), target); |
| 655 | return io::CodedOutputStream::WriteStringToArray(value, target); |
| 656 | } |
| 657 | |
| 658 | |
| 659 | inline uint8* WireFormatLite::WriteGroupToArray(int field_number, |
| 660 | const MessageLite& value, |
| 661 | uint8* target) { |
| 662 | target = WriteTagToArray(field_number, WIRETYPE_START_GROUP, target); |
| 663 | target = value.SerializeWithCachedSizesToArray(target); |
| 664 | return WriteTagToArray(field_number, WIRETYPE_END_GROUP, target); |
| 665 | } |
| 666 | inline uint8* WireFormatLite::WriteMessageToArray(int field_number, |
| 667 | const MessageLite& value, |
| 668 | uint8* target) { |
| 669 | target = WriteTagToArray(field_number, WIRETYPE_LENGTH_DELIMITED, target); |
| 670 | target = io::CodedOutputStream::WriteVarint32ToArray( |
| 671 | value.GetCachedSize(), target); |
| 672 | return value.SerializeWithCachedSizesToArray(target); |
| 673 | } |
| 674 | |
| 675 | template<typename MessageType> |
| 676 | inline uint8* WireFormatLite::WriteGroupNoVirtualToArray( |
| 677 | int field_number, const MessageType& value, uint8* target) { |
| 678 | target = WriteTagToArray(field_number, WIRETYPE_START_GROUP, target); |
| 679 | target = value.MessageType::SerializeWithCachedSizesToArray(target); |
| 680 | return WriteTagToArray(field_number, WIRETYPE_END_GROUP, target); |
| 681 | } |
| 682 | template<typename MessageType> |
| 683 | inline uint8* WireFormatLite::WriteMessageNoVirtualToArray( |
| 684 | int field_number, const MessageType& value, uint8* target) { |
| 685 | target = WriteTagToArray(field_number, WIRETYPE_LENGTH_DELIMITED, target); |
| 686 | target = io::CodedOutputStream::WriteVarint32ToArray( |
| 687 | value.MessageType::GetCachedSize(), target); |
| 688 | return value.MessageType::SerializeWithCachedSizesToArray(target); |
| 689 | } |
| 690 | |
| 691 | // =================================================================== |
| 692 | |
| 693 | inline int WireFormatLite::Int32Size(int32 value) { |
| 694 | return io::CodedOutputStream::VarintSize32SignExtended(value); |
| 695 | } |
| 696 | inline int WireFormatLite::Int64Size(int64 value) { |
| 697 | return io::CodedOutputStream::VarintSize64(static_cast<uint64>(value)); |
| 698 | } |
| 699 | inline int WireFormatLite::UInt32Size(uint32 value) { |
| 700 | return io::CodedOutputStream::VarintSize32(value); |
| 701 | } |
| 702 | inline int WireFormatLite::UInt64Size(uint64 value) { |
| 703 | return io::CodedOutputStream::VarintSize64(value); |
| 704 | } |
| 705 | inline int WireFormatLite::SInt32Size(int32 value) { |
| 706 | return io::CodedOutputStream::VarintSize32(ZigZagEncode32(value)); |
| 707 | } |
| 708 | inline int WireFormatLite::SInt64Size(int64 value) { |
| 709 | return io::CodedOutputStream::VarintSize64(ZigZagEncode64(value)); |
| 710 | } |
| 711 | inline int WireFormatLite::EnumSize(int value) { |
| 712 | return io::CodedOutputStream::VarintSize32SignExtended(value); |
| 713 | } |
| 714 | |
| 715 | inline int WireFormatLite::StringSize(const string& value) { |
| 716 | return io::CodedOutputStream::VarintSize32(value.size()) + |
| 717 | value.size(); |
| 718 | } |
| 719 | inline int WireFormatLite::BytesSize(const string& value) { |
| 720 | return io::CodedOutputStream::VarintSize32(value.size()) + |
| 721 | value.size(); |
| 722 | } |
| 723 | |
| 724 | |
| 725 | inline int WireFormatLite::GroupSize(const MessageLite& value) { |
| 726 | return value.ByteSize(); |
| 727 | } |
| 728 | inline int WireFormatLite::MessageSize(const MessageLite& value) { |
| 729 | int size = value.ByteSize(); |
| 730 | return io::CodedOutputStream::VarintSize32(size) + size; |
| 731 | } |
| 732 | |
| 733 | template<typename MessageType> |
| 734 | inline int WireFormatLite::GroupSizeNoVirtual(const MessageType& value) { |
| 735 | return value.MessageType::ByteSize(); |
| 736 | } |
| 737 | template<typename MessageType> |
| 738 | inline int WireFormatLite::MessageSizeNoVirtual(const MessageType& value) { |
| 739 | int size = value.MessageType::ByteSize(); |
| 740 | return io::CodedOutputStream::VarintSize32(size) + size; |
| 741 | } |
| 742 | |
| 743 | } // namespace internal |
| 744 | } // namespace protobuf |
| 745 | |
| 746 | } // namespace google |
| 747 | #endif // GOOGLE_PROTOBUF_WIRE_FORMAT_LITE_INL_H__ |