Scott Baker | e7144bc | 2019-10-01 14:16:47 -0700 | [diff] [blame^] | 1 | // Go support for Protocol Buffers - Google's data interchange format |
| 2 | // |
| 3 | // Copyright 2016 The Go Authors. All rights reserved. |
| 4 | // https://github.com/golang/protobuf |
| 5 | // |
| 6 | // Redistribution and use in source and binary forms, with or without |
| 7 | // modification, are permitted provided that the following conditions are |
| 8 | // met: |
| 9 | // |
| 10 | // * Redistributions of source code must retain the above copyright |
| 11 | // notice, this list of conditions and the following disclaimer. |
| 12 | // * Redistributions in binary form must reproduce the above |
| 13 | // copyright notice, this list of conditions and the following disclaimer |
| 14 | // in the documentation and/or other materials provided with the |
| 15 | // distribution. |
| 16 | // * Neither the name of Google Inc. nor the names of its |
| 17 | // contributors may be used to endorse or promote products derived from |
| 18 | // this software without specific prior written permission. |
| 19 | // |
| 20 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 21 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 22 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 23 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 24 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 25 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 26 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 27 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 28 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 29 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 30 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 31 | |
| 32 | package proto |
| 33 | |
| 34 | import ( |
| 35 | "errors" |
| 36 | "fmt" |
| 37 | "math" |
| 38 | "reflect" |
| 39 | "sort" |
| 40 | "strconv" |
| 41 | "strings" |
| 42 | "sync" |
| 43 | "sync/atomic" |
| 44 | "unicode/utf8" |
| 45 | ) |
| 46 | |
| 47 | // a sizer takes a pointer to a field and the size of its tag, computes the size of |
| 48 | // the encoded data. |
| 49 | type sizer func(pointer, int) int |
| 50 | |
| 51 | // a marshaler takes a byte slice, a pointer to a field, and its tag (in wire format), |
| 52 | // marshals the field to the end of the slice, returns the slice and error (if any). |
| 53 | type marshaler func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) |
| 54 | |
| 55 | // marshalInfo is the information used for marshaling a message. |
| 56 | type marshalInfo struct { |
| 57 | typ reflect.Type |
| 58 | fields []*marshalFieldInfo |
| 59 | unrecognized field // offset of XXX_unrecognized |
| 60 | extensions field // offset of XXX_InternalExtensions |
| 61 | v1extensions field // offset of XXX_extensions |
| 62 | sizecache field // offset of XXX_sizecache |
| 63 | initialized int32 // 0 -- only typ is set, 1 -- fully initialized |
| 64 | messageset bool // uses message set wire format |
| 65 | hasmarshaler bool // has custom marshaler |
| 66 | sync.RWMutex // protect extElems map, also for initialization |
| 67 | extElems map[int32]*marshalElemInfo // info of extension elements |
| 68 | |
| 69 | hassizer bool // has custom sizer |
| 70 | hasprotosizer bool // has custom protosizer |
| 71 | |
| 72 | bytesExtensions field // offset of XXX_extensions where the field type is []byte |
| 73 | } |
| 74 | |
| 75 | // marshalFieldInfo is the information used for marshaling a field of a message. |
| 76 | type marshalFieldInfo struct { |
| 77 | field field |
| 78 | wiretag uint64 // tag in wire format |
| 79 | tagsize int // size of tag in wire format |
| 80 | sizer sizer |
| 81 | marshaler marshaler |
| 82 | isPointer bool |
| 83 | required bool // field is required |
| 84 | name string // name of the field, for error reporting |
| 85 | oneofElems map[reflect.Type]*marshalElemInfo // info of oneof elements |
| 86 | } |
| 87 | |
| 88 | // marshalElemInfo is the information used for marshaling an extension or oneof element. |
| 89 | type marshalElemInfo struct { |
| 90 | wiretag uint64 // tag in wire format |
| 91 | tagsize int // size of tag in wire format |
| 92 | sizer sizer |
| 93 | marshaler marshaler |
| 94 | isptr bool // elem is pointer typed, thus interface of this type is a direct interface (extension only) |
| 95 | } |
| 96 | |
| 97 | var ( |
| 98 | marshalInfoMap = map[reflect.Type]*marshalInfo{} |
| 99 | marshalInfoLock sync.Mutex |
| 100 | |
| 101 | uint8SliceType = reflect.TypeOf(([]uint8)(nil)).Kind() |
| 102 | ) |
| 103 | |
| 104 | // getMarshalInfo returns the information to marshal a given type of message. |
| 105 | // The info it returns may not necessarily initialized. |
| 106 | // t is the type of the message (NOT the pointer to it). |
| 107 | func getMarshalInfo(t reflect.Type) *marshalInfo { |
| 108 | marshalInfoLock.Lock() |
| 109 | u, ok := marshalInfoMap[t] |
| 110 | if !ok { |
| 111 | u = &marshalInfo{typ: t} |
| 112 | marshalInfoMap[t] = u |
| 113 | } |
| 114 | marshalInfoLock.Unlock() |
| 115 | return u |
| 116 | } |
| 117 | |
| 118 | // Size is the entry point from generated code, |
| 119 | // and should be ONLY called by generated code. |
| 120 | // It computes the size of encoded data of msg. |
| 121 | // a is a pointer to a place to store cached marshal info. |
| 122 | func (a *InternalMessageInfo) Size(msg Message) int { |
| 123 | u := getMessageMarshalInfo(msg, a) |
| 124 | ptr := toPointer(&msg) |
| 125 | if ptr.isNil() { |
| 126 | // We get here if msg is a typed nil ((*SomeMessage)(nil)), |
| 127 | // so it satisfies the interface, and msg == nil wouldn't |
| 128 | // catch it. We don't want crash in this case. |
| 129 | return 0 |
| 130 | } |
| 131 | return u.size(ptr) |
| 132 | } |
| 133 | |
| 134 | // Marshal is the entry point from generated code, |
| 135 | // and should be ONLY called by generated code. |
| 136 | // It marshals msg to the end of b. |
| 137 | // a is a pointer to a place to store cached marshal info. |
| 138 | func (a *InternalMessageInfo) Marshal(b []byte, msg Message, deterministic bool) ([]byte, error) { |
| 139 | u := getMessageMarshalInfo(msg, a) |
| 140 | ptr := toPointer(&msg) |
| 141 | if ptr.isNil() { |
| 142 | // We get here if msg is a typed nil ((*SomeMessage)(nil)), |
| 143 | // so it satisfies the interface, and msg == nil wouldn't |
| 144 | // catch it. We don't want crash in this case. |
| 145 | return b, ErrNil |
| 146 | } |
| 147 | return u.marshal(b, ptr, deterministic) |
| 148 | } |
| 149 | |
| 150 | func getMessageMarshalInfo(msg interface{}, a *InternalMessageInfo) *marshalInfo { |
| 151 | // u := a.marshal, but atomically. |
| 152 | // We use an atomic here to ensure memory consistency. |
| 153 | u := atomicLoadMarshalInfo(&a.marshal) |
| 154 | if u == nil { |
| 155 | // Get marshal information from type of message. |
| 156 | t := reflect.ValueOf(msg).Type() |
| 157 | if t.Kind() != reflect.Ptr { |
| 158 | panic(fmt.Sprintf("cannot handle non-pointer message type %v", t)) |
| 159 | } |
| 160 | u = getMarshalInfo(t.Elem()) |
| 161 | // Store it in the cache for later users. |
| 162 | // a.marshal = u, but atomically. |
| 163 | atomicStoreMarshalInfo(&a.marshal, u) |
| 164 | } |
| 165 | return u |
| 166 | } |
| 167 | |
| 168 | // size is the main function to compute the size of the encoded data of a message. |
| 169 | // ptr is the pointer to the message. |
| 170 | func (u *marshalInfo) size(ptr pointer) int { |
| 171 | if atomic.LoadInt32(&u.initialized) == 0 { |
| 172 | u.computeMarshalInfo() |
| 173 | } |
| 174 | |
| 175 | // If the message can marshal itself, let it do it, for compatibility. |
| 176 | // NOTE: This is not efficient. |
| 177 | if u.hasmarshaler { |
| 178 | // Uses the message's Size method if available |
| 179 | if u.hassizer { |
| 180 | s := ptr.asPointerTo(u.typ).Interface().(Sizer) |
| 181 | return s.Size() |
| 182 | } |
| 183 | // Uses the message's ProtoSize method if available |
| 184 | if u.hasprotosizer { |
| 185 | s := ptr.asPointerTo(u.typ).Interface().(ProtoSizer) |
| 186 | return s.ProtoSize() |
| 187 | } |
| 188 | |
| 189 | m := ptr.asPointerTo(u.typ).Interface().(Marshaler) |
| 190 | b, _ := m.Marshal() |
| 191 | return len(b) |
| 192 | } |
| 193 | |
| 194 | n := 0 |
| 195 | for _, f := range u.fields { |
| 196 | if f.isPointer && ptr.offset(f.field).getPointer().isNil() { |
| 197 | // nil pointer always marshals to nothing |
| 198 | continue |
| 199 | } |
| 200 | n += f.sizer(ptr.offset(f.field), f.tagsize) |
| 201 | } |
| 202 | if u.extensions.IsValid() { |
| 203 | e := ptr.offset(u.extensions).toExtensions() |
| 204 | if u.messageset { |
| 205 | n += u.sizeMessageSet(e) |
| 206 | } else { |
| 207 | n += u.sizeExtensions(e) |
| 208 | } |
| 209 | } |
| 210 | if u.v1extensions.IsValid() { |
| 211 | m := *ptr.offset(u.v1extensions).toOldExtensions() |
| 212 | n += u.sizeV1Extensions(m) |
| 213 | } |
| 214 | if u.bytesExtensions.IsValid() { |
| 215 | s := *ptr.offset(u.bytesExtensions).toBytes() |
| 216 | n += len(s) |
| 217 | } |
| 218 | if u.unrecognized.IsValid() { |
| 219 | s := *ptr.offset(u.unrecognized).toBytes() |
| 220 | n += len(s) |
| 221 | } |
| 222 | |
| 223 | // cache the result for use in marshal |
| 224 | if u.sizecache.IsValid() { |
| 225 | atomic.StoreInt32(ptr.offset(u.sizecache).toInt32(), int32(n)) |
| 226 | } |
| 227 | return n |
| 228 | } |
| 229 | |
| 230 | // cachedsize gets the size from cache. If there is no cache (i.e. message is not generated), |
| 231 | // fall back to compute the size. |
| 232 | func (u *marshalInfo) cachedsize(ptr pointer) int { |
| 233 | if u.sizecache.IsValid() { |
| 234 | return int(atomic.LoadInt32(ptr.offset(u.sizecache).toInt32())) |
| 235 | } |
| 236 | return u.size(ptr) |
| 237 | } |
| 238 | |
| 239 | // marshal is the main function to marshal a message. It takes a byte slice and appends |
| 240 | // the encoded data to the end of the slice, returns the slice and error (if any). |
| 241 | // ptr is the pointer to the message. |
| 242 | // If deterministic is true, map is marshaled in deterministic order. |
| 243 | func (u *marshalInfo) marshal(b []byte, ptr pointer, deterministic bool) ([]byte, error) { |
| 244 | if atomic.LoadInt32(&u.initialized) == 0 { |
| 245 | u.computeMarshalInfo() |
| 246 | } |
| 247 | |
| 248 | // If the message can marshal itself, let it do it, for compatibility. |
| 249 | // NOTE: This is not efficient. |
| 250 | if u.hasmarshaler { |
| 251 | m := ptr.asPointerTo(u.typ).Interface().(Marshaler) |
| 252 | b1, err := m.Marshal() |
| 253 | b = append(b, b1...) |
| 254 | return b, err |
| 255 | } |
| 256 | |
| 257 | var err, errLater error |
| 258 | // The old marshaler encodes extensions at beginning. |
| 259 | if u.extensions.IsValid() { |
| 260 | e := ptr.offset(u.extensions).toExtensions() |
| 261 | if u.messageset { |
| 262 | b, err = u.appendMessageSet(b, e, deterministic) |
| 263 | } else { |
| 264 | b, err = u.appendExtensions(b, e, deterministic) |
| 265 | } |
| 266 | if err != nil { |
| 267 | return b, err |
| 268 | } |
| 269 | } |
| 270 | if u.v1extensions.IsValid() { |
| 271 | m := *ptr.offset(u.v1extensions).toOldExtensions() |
| 272 | b, err = u.appendV1Extensions(b, m, deterministic) |
| 273 | if err != nil { |
| 274 | return b, err |
| 275 | } |
| 276 | } |
| 277 | if u.bytesExtensions.IsValid() { |
| 278 | s := *ptr.offset(u.bytesExtensions).toBytes() |
| 279 | b = append(b, s...) |
| 280 | } |
| 281 | for _, f := range u.fields { |
| 282 | if f.required { |
| 283 | if f.isPointer && ptr.offset(f.field).getPointer().isNil() { |
| 284 | // Required field is not set. |
| 285 | // We record the error but keep going, to give a complete marshaling. |
| 286 | if errLater == nil { |
| 287 | errLater = &RequiredNotSetError{f.name} |
| 288 | } |
| 289 | continue |
| 290 | } |
| 291 | } |
| 292 | if f.isPointer && ptr.offset(f.field).getPointer().isNil() { |
| 293 | // nil pointer always marshals to nothing |
| 294 | continue |
| 295 | } |
| 296 | b, err = f.marshaler(b, ptr.offset(f.field), f.wiretag, deterministic) |
| 297 | if err != nil { |
| 298 | if err1, ok := err.(*RequiredNotSetError); ok { |
| 299 | // Required field in submessage is not set. |
| 300 | // We record the error but keep going, to give a complete marshaling. |
| 301 | if errLater == nil { |
| 302 | errLater = &RequiredNotSetError{f.name + "." + err1.field} |
| 303 | } |
| 304 | continue |
| 305 | } |
| 306 | if err == errRepeatedHasNil { |
| 307 | err = errors.New("proto: repeated field " + f.name + " has nil element") |
| 308 | } |
| 309 | if err == errInvalidUTF8 { |
| 310 | if errLater == nil { |
| 311 | fullName := revProtoTypes[reflect.PtrTo(u.typ)] + "." + f.name |
| 312 | errLater = &invalidUTF8Error{fullName} |
| 313 | } |
| 314 | continue |
| 315 | } |
| 316 | return b, err |
| 317 | } |
| 318 | } |
| 319 | if u.unrecognized.IsValid() { |
| 320 | s := *ptr.offset(u.unrecognized).toBytes() |
| 321 | b = append(b, s...) |
| 322 | } |
| 323 | return b, errLater |
| 324 | } |
| 325 | |
| 326 | // computeMarshalInfo initializes the marshal info. |
| 327 | func (u *marshalInfo) computeMarshalInfo() { |
| 328 | u.Lock() |
| 329 | defer u.Unlock() |
| 330 | if u.initialized != 0 { // non-atomic read is ok as it is protected by the lock |
| 331 | return |
| 332 | } |
| 333 | |
| 334 | t := u.typ |
| 335 | u.unrecognized = invalidField |
| 336 | u.extensions = invalidField |
| 337 | u.v1extensions = invalidField |
| 338 | u.bytesExtensions = invalidField |
| 339 | u.sizecache = invalidField |
| 340 | isOneofMessage := false |
| 341 | |
| 342 | if reflect.PtrTo(t).Implements(sizerType) { |
| 343 | u.hassizer = true |
| 344 | } |
| 345 | if reflect.PtrTo(t).Implements(protosizerType) { |
| 346 | u.hasprotosizer = true |
| 347 | } |
| 348 | // If the message can marshal itself, let it do it, for compatibility. |
| 349 | // NOTE: This is not efficient. |
| 350 | if reflect.PtrTo(t).Implements(marshalerType) { |
| 351 | u.hasmarshaler = true |
| 352 | atomic.StoreInt32(&u.initialized, 1) |
| 353 | return |
| 354 | } |
| 355 | |
| 356 | n := t.NumField() |
| 357 | |
| 358 | // deal with XXX fields first |
| 359 | for i := 0; i < t.NumField(); i++ { |
| 360 | f := t.Field(i) |
| 361 | if f.Tag.Get("protobuf_oneof") != "" { |
| 362 | isOneofMessage = true |
| 363 | } |
| 364 | if !strings.HasPrefix(f.Name, "XXX_") { |
| 365 | continue |
| 366 | } |
| 367 | switch f.Name { |
| 368 | case "XXX_sizecache": |
| 369 | u.sizecache = toField(&f) |
| 370 | case "XXX_unrecognized": |
| 371 | u.unrecognized = toField(&f) |
| 372 | case "XXX_InternalExtensions": |
| 373 | u.extensions = toField(&f) |
| 374 | u.messageset = f.Tag.Get("protobuf_messageset") == "1" |
| 375 | case "XXX_extensions": |
| 376 | if f.Type.Kind() == reflect.Map { |
| 377 | u.v1extensions = toField(&f) |
| 378 | } else { |
| 379 | u.bytesExtensions = toField(&f) |
| 380 | } |
| 381 | case "XXX_NoUnkeyedLiteral": |
| 382 | // nothing to do |
| 383 | default: |
| 384 | panic("unknown XXX field: " + f.Name) |
| 385 | } |
| 386 | n-- |
| 387 | } |
| 388 | |
| 389 | // get oneof implementers |
| 390 | var oneofImplementers []interface{} |
| 391 | // gogo: isOneofMessage is needed for embedded oneof messages, without a marshaler and unmarshaler |
| 392 | if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); ok && isOneofMessage { |
| 393 | _, _, _, oneofImplementers = m.XXX_OneofFuncs() |
| 394 | } |
| 395 | |
| 396 | // normal fields |
| 397 | fields := make([]marshalFieldInfo, n) // batch allocation |
| 398 | u.fields = make([]*marshalFieldInfo, 0, n) |
| 399 | for i, j := 0, 0; i < t.NumField(); i++ { |
| 400 | f := t.Field(i) |
| 401 | |
| 402 | if strings.HasPrefix(f.Name, "XXX_") { |
| 403 | continue |
| 404 | } |
| 405 | field := &fields[j] |
| 406 | j++ |
| 407 | field.name = f.Name |
| 408 | u.fields = append(u.fields, field) |
| 409 | if f.Tag.Get("protobuf_oneof") != "" { |
| 410 | field.computeOneofFieldInfo(&f, oneofImplementers) |
| 411 | continue |
| 412 | } |
| 413 | if f.Tag.Get("protobuf") == "" { |
| 414 | // field has no tag (not in generated message), ignore it |
| 415 | u.fields = u.fields[:len(u.fields)-1] |
| 416 | j-- |
| 417 | continue |
| 418 | } |
| 419 | field.computeMarshalFieldInfo(&f) |
| 420 | } |
| 421 | |
| 422 | // fields are marshaled in tag order on the wire. |
| 423 | sort.Sort(byTag(u.fields)) |
| 424 | |
| 425 | atomic.StoreInt32(&u.initialized, 1) |
| 426 | } |
| 427 | |
| 428 | // helper for sorting fields by tag |
| 429 | type byTag []*marshalFieldInfo |
| 430 | |
| 431 | func (a byTag) Len() int { return len(a) } |
| 432 | func (a byTag) Swap(i, j int) { a[i], a[j] = a[j], a[i] } |
| 433 | func (a byTag) Less(i, j int) bool { return a[i].wiretag < a[j].wiretag } |
| 434 | |
| 435 | // getExtElemInfo returns the information to marshal an extension element. |
| 436 | // The info it returns is initialized. |
| 437 | func (u *marshalInfo) getExtElemInfo(desc *ExtensionDesc) *marshalElemInfo { |
| 438 | // get from cache first |
| 439 | u.RLock() |
| 440 | e, ok := u.extElems[desc.Field] |
| 441 | u.RUnlock() |
| 442 | if ok { |
| 443 | return e |
| 444 | } |
| 445 | |
| 446 | t := reflect.TypeOf(desc.ExtensionType) // pointer or slice to basic type or struct |
| 447 | tags := strings.Split(desc.Tag, ",") |
| 448 | tag, err := strconv.Atoi(tags[1]) |
| 449 | if err != nil { |
| 450 | panic("tag is not an integer") |
| 451 | } |
| 452 | wt := wiretype(tags[0]) |
| 453 | sizr, marshalr := typeMarshaler(t, tags, false, false) |
| 454 | e = &marshalElemInfo{ |
| 455 | wiretag: uint64(tag)<<3 | wt, |
| 456 | tagsize: SizeVarint(uint64(tag) << 3), |
| 457 | sizer: sizr, |
| 458 | marshaler: marshalr, |
| 459 | isptr: t.Kind() == reflect.Ptr, |
| 460 | } |
| 461 | |
| 462 | // update cache |
| 463 | u.Lock() |
| 464 | if u.extElems == nil { |
| 465 | u.extElems = make(map[int32]*marshalElemInfo) |
| 466 | } |
| 467 | u.extElems[desc.Field] = e |
| 468 | u.Unlock() |
| 469 | return e |
| 470 | } |
| 471 | |
| 472 | // computeMarshalFieldInfo fills up the information to marshal a field. |
| 473 | func (fi *marshalFieldInfo) computeMarshalFieldInfo(f *reflect.StructField) { |
| 474 | // parse protobuf tag of the field. |
| 475 | // tag has format of "bytes,49,opt,name=foo,def=hello!" |
| 476 | tags := strings.Split(f.Tag.Get("protobuf"), ",") |
| 477 | if tags[0] == "" { |
| 478 | return |
| 479 | } |
| 480 | tag, err := strconv.Atoi(tags[1]) |
| 481 | if err != nil { |
| 482 | panic("tag is not an integer") |
| 483 | } |
| 484 | wt := wiretype(tags[0]) |
| 485 | if tags[2] == "req" { |
| 486 | fi.required = true |
| 487 | } |
| 488 | fi.setTag(f, tag, wt) |
| 489 | fi.setMarshaler(f, tags) |
| 490 | } |
| 491 | |
| 492 | func (fi *marshalFieldInfo) computeOneofFieldInfo(f *reflect.StructField, oneofImplementers []interface{}) { |
| 493 | fi.field = toField(f) |
| 494 | fi.wiretag = math.MaxInt32 // Use a large tag number, make oneofs sorted at the end. This tag will not appear on the wire. |
| 495 | fi.isPointer = true |
| 496 | fi.sizer, fi.marshaler = makeOneOfMarshaler(fi, f) |
| 497 | fi.oneofElems = make(map[reflect.Type]*marshalElemInfo) |
| 498 | |
| 499 | ityp := f.Type // interface type |
| 500 | for _, o := range oneofImplementers { |
| 501 | t := reflect.TypeOf(o) |
| 502 | if !t.Implements(ityp) { |
| 503 | continue |
| 504 | } |
| 505 | sf := t.Elem().Field(0) // oneof implementer is a struct with a single field |
| 506 | tags := strings.Split(sf.Tag.Get("protobuf"), ",") |
| 507 | tag, err := strconv.Atoi(tags[1]) |
| 508 | if err != nil { |
| 509 | panic("tag is not an integer") |
| 510 | } |
| 511 | wt := wiretype(tags[0]) |
| 512 | sizr, marshalr := typeMarshaler(sf.Type, tags, false, true) // oneof should not omit any zero value |
| 513 | fi.oneofElems[t.Elem()] = &marshalElemInfo{ |
| 514 | wiretag: uint64(tag)<<3 | wt, |
| 515 | tagsize: SizeVarint(uint64(tag) << 3), |
| 516 | sizer: sizr, |
| 517 | marshaler: marshalr, |
| 518 | } |
| 519 | } |
| 520 | } |
| 521 | |
| 522 | type oneofMessage interface { |
| 523 | XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{}) |
| 524 | } |
| 525 | |
| 526 | // wiretype returns the wire encoding of the type. |
| 527 | func wiretype(encoding string) uint64 { |
| 528 | switch encoding { |
| 529 | case "fixed32": |
| 530 | return WireFixed32 |
| 531 | case "fixed64": |
| 532 | return WireFixed64 |
| 533 | case "varint", "zigzag32", "zigzag64": |
| 534 | return WireVarint |
| 535 | case "bytes": |
| 536 | return WireBytes |
| 537 | case "group": |
| 538 | return WireStartGroup |
| 539 | } |
| 540 | panic("unknown wire type " + encoding) |
| 541 | } |
| 542 | |
| 543 | // setTag fills up the tag (in wire format) and its size in the info of a field. |
| 544 | func (fi *marshalFieldInfo) setTag(f *reflect.StructField, tag int, wt uint64) { |
| 545 | fi.field = toField(f) |
| 546 | fi.wiretag = uint64(tag)<<3 | wt |
| 547 | fi.tagsize = SizeVarint(uint64(tag) << 3) |
| 548 | } |
| 549 | |
| 550 | // setMarshaler fills up the sizer and marshaler in the info of a field. |
| 551 | func (fi *marshalFieldInfo) setMarshaler(f *reflect.StructField, tags []string) { |
| 552 | switch f.Type.Kind() { |
| 553 | case reflect.Map: |
| 554 | // map field |
| 555 | fi.isPointer = true |
| 556 | fi.sizer, fi.marshaler = makeMapMarshaler(f) |
| 557 | return |
| 558 | case reflect.Ptr, reflect.Slice: |
| 559 | fi.isPointer = true |
| 560 | } |
| 561 | fi.sizer, fi.marshaler = typeMarshaler(f.Type, tags, true, false) |
| 562 | } |
| 563 | |
| 564 | // typeMarshaler returns the sizer and marshaler of a given field. |
| 565 | // t is the type of the field. |
| 566 | // tags is the generated "protobuf" tag of the field. |
| 567 | // If nozero is true, zero value is not marshaled to the wire. |
| 568 | // If oneof is true, it is a oneof field. |
| 569 | func typeMarshaler(t reflect.Type, tags []string, nozero, oneof bool) (sizer, marshaler) { |
| 570 | encoding := tags[0] |
| 571 | |
| 572 | pointer := false |
| 573 | slice := false |
| 574 | if t.Kind() == reflect.Slice && t.Elem().Kind() != reflect.Uint8 { |
| 575 | slice = true |
| 576 | t = t.Elem() |
| 577 | } |
| 578 | if t.Kind() == reflect.Ptr { |
| 579 | pointer = true |
| 580 | t = t.Elem() |
| 581 | } |
| 582 | |
| 583 | packed := false |
| 584 | proto3 := false |
| 585 | ctype := false |
| 586 | isTime := false |
| 587 | isDuration := false |
| 588 | isWktPointer := false |
| 589 | validateUTF8 := true |
| 590 | for i := 2; i < len(tags); i++ { |
| 591 | if tags[i] == "packed" { |
| 592 | packed = true |
| 593 | } |
| 594 | if tags[i] == "proto3" { |
| 595 | proto3 = true |
| 596 | } |
| 597 | if strings.HasPrefix(tags[i], "customtype=") { |
| 598 | ctype = true |
| 599 | } |
| 600 | if tags[i] == "stdtime" { |
| 601 | isTime = true |
| 602 | } |
| 603 | if tags[i] == "stdduration" { |
| 604 | isDuration = true |
| 605 | } |
| 606 | if tags[i] == "wktptr" { |
| 607 | isWktPointer = true |
| 608 | } |
| 609 | } |
| 610 | validateUTF8 = validateUTF8 && proto3 |
| 611 | if !proto3 && !pointer && !slice { |
| 612 | nozero = false |
| 613 | } |
| 614 | |
| 615 | if ctype { |
| 616 | if reflect.PtrTo(t).Implements(customType) { |
| 617 | if slice { |
| 618 | return makeMessageRefSliceMarshaler(getMarshalInfo(t)) |
| 619 | } |
| 620 | if pointer { |
| 621 | return makeCustomPtrMarshaler(getMarshalInfo(t)) |
| 622 | } |
| 623 | return makeCustomMarshaler(getMarshalInfo(t)) |
| 624 | } else { |
| 625 | panic(fmt.Sprintf("custom type: type: %v, does not implement the proto.custom interface", t)) |
| 626 | } |
| 627 | } |
| 628 | |
| 629 | if isTime { |
| 630 | if pointer { |
| 631 | if slice { |
| 632 | return makeTimePtrSliceMarshaler(getMarshalInfo(t)) |
| 633 | } |
| 634 | return makeTimePtrMarshaler(getMarshalInfo(t)) |
| 635 | } |
| 636 | if slice { |
| 637 | return makeTimeSliceMarshaler(getMarshalInfo(t)) |
| 638 | } |
| 639 | return makeTimeMarshaler(getMarshalInfo(t)) |
| 640 | } |
| 641 | |
| 642 | if isDuration { |
| 643 | if pointer { |
| 644 | if slice { |
| 645 | return makeDurationPtrSliceMarshaler(getMarshalInfo(t)) |
| 646 | } |
| 647 | return makeDurationPtrMarshaler(getMarshalInfo(t)) |
| 648 | } |
| 649 | if slice { |
| 650 | return makeDurationSliceMarshaler(getMarshalInfo(t)) |
| 651 | } |
| 652 | return makeDurationMarshaler(getMarshalInfo(t)) |
| 653 | } |
| 654 | |
| 655 | if isWktPointer { |
| 656 | switch t.Kind() { |
| 657 | case reflect.Float64: |
| 658 | if pointer { |
| 659 | if slice { |
| 660 | return makeStdDoubleValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 661 | } |
| 662 | return makeStdDoubleValuePtrMarshaler(getMarshalInfo(t)) |
| 663 | } |
| 664 | if slice { |
| 665 | return makeStdDoubleValueSliceMarshaler(getMarshalInfo(t)) |
| 666 | } |
| 667 | return makeStdDoubleValueMarshaler(getMarshalInfo(t)) |
| 668 | case reflect.Float32: |
| 669 | if pointer { |
| 670 | if slice { |
| 671 | return makeStdFloatValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 672 | } |
| 673 | return makeStdFloatValuePtrMarshaler(getMarshalInfo(t)) |
| 674 | } |
| 675 | if slice { |
| 676 | return makeStdFloatValueSliceMarshaler(getMarshalInfo(t)) |
| 677 | } |
| 678 | return makeStdFloatValueMarshaler(getMarshalInfo(t)) |
| 679 | case reflect.Int64: |
| 680 | if pointer { |
| 681 | if slice { |
| 682 | return makeStdInt64ValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 683 | } |
| 684 | return makeStdInt64ValuePtrMarshaler(getMarshalInfo(t)) |
| 685 | } |
| 686 | if slice { |
| 687 | return makeStdInt64ValueSliceMarshaler(getMarshalInfo(t)) |
| 688 | } |
| 689 | return makeStdInt64ValueMarshaler(getMarshalInfo(t)) |
| 690 | case reflect.Uint64: |
| 691 | if pointer { |
| 692 | if slice { |
| 693 | return makeStdUInt64ValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 694 | } |
| 695 | return makeStdUInt64ValuePtrMarshaler(getMarshalInfo(t)) |
| 696 | } |
| 697 | if slice { |
| 698 | return makeStdUInt64ValueSliceMarshaler(getMarshalInfo(t)) |
| 699 | } |
| 700 | return makeStdUInt64ValueMarshaler(getMarshalInfo(t)) |
| 701 | case reflect.Int32: |
| 702 | if pointer { |
| 703 | if slice { |
| 704 | return makeStdInt32ValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 705 | } |
| 706 | return makeStdInt32ValuePtrMarshaler(getMarshalInfo(t)) |
| 707 | } |
| 708 | if slice { |
| 709 | return makeStdInt32ValueSliceMarshaler(getMarshalInfo(t)) |
| 710 | } |
| 711 | return makeStdInt32ValueMarshaler(getMarshalInfo(t)) |
| 712 | case reflect.Uint32: |
| 713 | if pointer { |
| 714 | if slice { |
| 715 | return makeStdUInt32ValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 716 | } |
| 717 | return makeStdUInt32ValuePtrMarshaler(getMarshalInfo(t)) |
| 718 | } |
| 719 | if slice { |
| 720 | return makeStdUInt32ValueSliceMarshaler(getMarshalInfo(t)) |
| 721 | } |
| 722 | return makeStdUInt32ValueMarshaler(getMarshalInfo(t)) |
| 723 | case reflect.Bool: |
| 724 | if pointer { |
| 725 | if slice { |
| 726 | return makeStdBoolValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 727 | } |
| 728 | return makeStdBoolValuePtrMarshaler(getMarshalInfo(t)) |
| 729 | } |
| 730 | if slice { |
| 731 | return makeStdBoolValueSliceMarshaler(getMarshalInfo(t)) |
| 732 | } |
| 733 | return makeStdBoolValueMarshaler(getMarshalInfo(t)) |
| 734 | case reflect.String: |
| 735 | if pointer { |
| 736 | if slice { |
| 737 | return makeStdStringValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 738 | } |
| 739 | return makeStdStringValuePtrMarshaler(getMarshalInfo(t)) |
| 740 | } |
| 741 | if slice { |
| 742 | return makeStdStringValueSliceMarshaler(getMarshalInfo(t)) |
| 743 | } |
| 744 | return makeStdStringValueMarshaler(getMarshalInfo(t)) |
| 745 | case uint8SliceType: |
| 746 | if pointer { |
| 747 | if slice { |
| 748 | return makeStdBytesValuePtrSliceMarshaler(getMarshalInfo(t)) |
| 749 | } |
| 750 | return makeStdBytesValuePtrMarshaler(getMarshalInfo(t)) |
| 751 | } |
| 752 | if slice { |
| 753 | return makeStdBytesValueSliceMarshaler(getMarshalInfo(t)) |
| 754 | } |
| 755 | return makeStdBytesValueMarshaler(getMarshalInfo(t)) |
| 756 | default: |
| 757 | panic(fmt.Sprintf("unknown wktpointer type %#v", t)) |
| 758 | } |
| 759 | } |
| 760 | |
| 761 | switch t.Kind() { |
| 762 | case reflect.Bool: |
| 763 | if pointer { |
| 764 | return sizeBoolPtr, appendBoolPtr |
| 765 | } |
| 766 | if slice { |
| 767 | if packed { |
| 768 | return sizeBoolPackedSlice, appendBoolPackedSlice |
| 769 | } |
| 770 | return sizeBoolSlice, appendBoolSlice |
| 771 | } |
| 772 | if nozero { |
| 773 | return sizeBoolValueNoZero, appendBoolValueNoZero |
| 774 | } |
| 775 | return sizeBoolValue, appendBoolValue |
| 776 | case reflect.Uint32: |
| 777 | switch encoding { |
| 778 | case "fixed32": |
| 779 | if pointer { |
| 780 | return sizeFixed32Ptr, appendFixed32Ptr |
| 781 | } |
| 782 | if slice { |
| 783 | if packed { |
| 784 | return sizeFixed32PackedSlice, appendFixed32PackedSlice |
| 785 | } |
| 786 | return sizeFixed32Slice, appendFixed32Slice |
| 787 | } |
| 788 | if nozero { |
| 789 | return sizeFixed32ValueNoZero, appendFixed32ValueNoZero |
| 790 | } |
| 791 | return sizeFixed32Value, appendFixed32Value |
| 792 | case "varint": |
| 793 | if pointer { |
| 794 | return sizeVarint32Ptr, appendVarint32Ptr |
| 795 | } |
| 796 | if slice { |
| 797 | if packed { |
| 798 | return sizeVarint32PackedSlice, appendVarint32PackedSlice |
| 799 | } |
| 800 | return sizeVarint32Slice, appendVarint32Slice |
| 801 | } |
| 802 | if nozero { |
| 803 | return sizeVarint32ValueNoZero, appendVarint32ValueNoZero |
| 804 | } |
| 805 | return sizeVarint32Value, appendVarint32Value |
| 806 | } |
| 807 | case reflect.Int32: |
| 808 | switch encoding { |
| 809 | case "fixed32": |
| 810 | if pointer { |
| 811 | return sizeFixedS32Ptr, appendFixedS32Ptr |
| 812 | } |
| 813 | if slice { |
| 814 | if packed { |
| 815 | return sizeFixedS32PackedSlice, appendFixedS32PackedSlice |
| 816 | } |
| 817 | return sizeFixedS32Slice, appendFixedS32Slice |
| 818 | } |
| 819 | if nozero { |
| 820 | return sizeFixedS32ValueNoZero, appendFixedS32ValueNoZero |
| 821 | } |
| 822 | return sizeFixedS32Value, appendFixedS32Value |
| 823 | case "varint": |
| 824 | if pointer { |
| 825 | return sizeVarintS32Ptr, appendVarintS32Ptr |
| 826 | } |
| 827 | if slice { |
| 828 | if packed { |
| 829 | return sizeVarintS32PackedSlice, appendVarintS32PackedSlice |
| 830 | } |
| 831 | return sizeVarintS32Slice, appendVarintS32Slice |
| 832 | } |
| 833 | if nozero { |
| 834 | return sizeVarintS32ValueNoZero, appendVarintS32ValueNoZero |
| 835 | } |
| 836 | return sizeVarintS32Value, appendVarintS32Value |
| 837 | case "zigzag32": |
| 838 | if pointer { |
| 839 | return sizeZigzag32Ptr, appendZigzag32Ptr |
| 840 | } |
| 841 | if slice { |
| 842 | if packed { |
| 843 | return sizeZigzag32PackedSlice, appendZigzag32PackedSlice |
| 844 | } |
| 845 | return sizeZigzag32Slice, appendZigzag32Slice |
| 846 | } |
| 847 | if nozero { |
| 848 | return sizeZigzag32ValueNoZero, appendZigzag32ValueNoZero |
| 849 | } |
| 850 | return sizeZigzag32Value, appendZigzag32Value |
| 851 | } |
| 852 | case reflect.Uint64: |
| 853 | switch encoding { |
| 854 | case "fixed64": |
| 855 | if pointer { |
| 856 | return sizeFixed64Ptr, appendFixed64Ptr |
| 857 | } |
| 858 | if slice { |
| 859 | if packed { |
| 860 | return sizeFixed64PackedSlice, appendFixed64PackedSlice |
| 861 | } |
| 862 | return sizeFixed64Slice, appendFixed64Slice |
| 863 | } |
| 864 | if nozero { |
| 865 | return sizeFixed64ValueNoZero, appendFixed64ValueNoZero |
| 866 | } |
| 867 | return sizeFixed64Value, appendFixed64Value |
| 868 | case "varint": |
| 869 | if pointer { |
| 870 | return sizeVarint64Ptr, appendVarint64Ptr |
| 871 | } |
| 872 | if slice { |
| 873 | if packed { |
| 874 | return sizeVarint64PackedSlice, appendVarint64PackedSlice |
| 875 | } |
| 876 | return sizeVarint64Slice, appendVarint64Slice |
| 877 | } |
| 878 | if nozero { |
| 879 | return sizeVarint64ValueNoZero, appendVarint64ValueNoZero |
| 880 | } |
| 881 | return sizeVarint64Value, appendVarint64Value |
| 882 | } |
| 883 | case reflect.Int64: |
| 884 | switch encoding { |
| 885 | case "fixed64": |
| 886 | if pointer { |
| 887 | return sizeFixedS64Ptr, appendFixedS64Ptr |
| 888 | } |
| 889 | if slice { |
| 890 | if packed { |
| 891 | return sizeFixedS64PackedSlice, appendFixedS64PackedSlice |
| 892 | } |
| 893 | return sizeFixedS64Slice, appendFixedS64Slice |
| 894 | } |
| 895 | if nozero { |
| 896 | return sizeFixedS64ValueNoZero, appendFixedS64ValueNoZero |
| 897 | } |
| 898 | return sizeFixedS64Value, appendFixedS64Value |
| 899 | case "varint": |
| 900 | if pointer { |
| 901 | return sizeVarintS64Ptr, appendVarintS64Ptr |
| 902 | } |
| 903 | if slice { |
| 904 | if packed { |
| 905 | return sizeVarintS64PackedSlice, appendVarintS64PackedSlice |
| 906 | } |
| 907 | return sizeVarintS64Slice, appendVarintS64Slice |
| 908 | } |
| 909 | if nozero { |
| 910 | return sizeVarintS64ValueNoZero, appendVarintS64ValueNoZero |
| 911 | } |
| 912 | return sizeVarintS64Value, appendVarintS64Value |
| 913 | case "zigzag64": |
| 914 | if pointer { |
| 915 | return sizeZigzag64Ptr, appendZigzag64Ptr |
| 916 | } |
| 917 | if slice { |
| 918 | if packed { |
| 919 | return sizeZigzag64PackedSlice, appendZigzag64PackedSlice |
| 920 | } |
| 921 | return sizeZigzag64Slice, appendZigzag64Slice |
| 922 | } |
| 923 | if nozero { |
| 924 | return sizeZigzag64ValueNoZero, appendZigzag64ValueNoZero |
| 925 | } |
| 926 | return sizeZigzag64Value, appendZigzag64Value |
| 927 | } |
| 928 | case reflect.Float32: |
| 929 | if pointer { |
| 930 | return sizeFloat32Ptr, appendFloat32Ptr |
| 931 | } |
| 932 | if slice { |
| 933 | if packed { |
| 934 | return sizeFloat32PackedSlice, appendFloat32PackedSlice |
| 935 | } |
| 936 | return sizeFloat32Slice, appendFloat32Slice |
| 937 | } |
| 938 | if nozero { |
| 939 | return sizeFloat32ValueNoZero, appendFloat32ValueNoZero |
| 940 | } |
| 941 | return sizeFloat32Value, appendFloat32Value |
| 942 | case reflect.Float64: |
| 943 | if pointer { |
| 944 | return sizeFloat64Ptr, appendFloat64Ptr |
| 945 | } |
| 946 | if slice { |
| 947 | if packed { |
| 948 | return sizeFloat64PackedSlice, appendFloat64PackedSlice |
| 949 | } |
| 950 | return sizeFloat64Slice, appendFloat64Slice |
| 951 | } |
| 952 | if nozero { |
| 953 | return sizeFloat64ValueNoZero, appendFloat64ValueNoZero |
| 954 | } |
| 955 | return sizeFloat64Value, appendFloat64Value |
| 956 | case reflect.String: |
| 957 | if validateUTF8 { |
| 958 | if pointer { |
| 959 | return sizeStringPtr, appendUTF8StringPtr |
| 960 | } |
| 961 | if slice { |
| 962 | return sizeStringSlice, appendUTF8StringSlice |
| 963 | } |
| 964 | if nozero { |
| 965 | return sizeStringValueNoZero, appendUTF8StringValueNoZero |
| 966 | } |
| 967 | return sizeStringValue, appendUTF8StringValue |
| 968 | } |
| 969 | if pointer { |
| 970 | return sizeStringPtr, appendStringPtr |
| 971 | } |
| 972 | if slice { |
| 973 | return sizeStringSlice, appendStringSlice |
| 974 | } |
| 975 | if nozero { |
| 976 | return sizeStringValueNoZero, appendStringValueNoZero |
| 977 | } |
| 978 | return sizeStringValue, appendStringValue |
| 979 | case reflect.Slice: |
| 980 | if slice { |
| 981 | return sizeBytesSlice, appendBytesSlice |
| 982 | } |
| 983 | if oneof { |
| 984 | // Oneof bytes field may also have "proto3" tag. |
| 985 | // We want to marshal it as a oneof field. Do this |
| 986 | // check before the proto3 check. |
| 987 | return sizeBytesOneof, appendBytesOneof |
| 988 | } |
| 989 | if proto3 { |
| 990 | return sizeBytes3, appendBytes3 |
| 991 | } |
| 992 | return sizeBytes, appendBytes |
| 993 | case reflect.Struct: |
| 994 | switch encoding { |
| 995 | case "group": |
| 996 | if slice { |
| 997 | return makeGroupSliceMarshaler(getMarshalInfo(t)) |
| 998 | } |
| 999 | return makeGroupMarshaler(getMarshalInfo(t)) |
| 1000 | case "bytes": |
| 1001 | if pointer { |
| 1002 | if slice { |
| 1003 | return makeMessageSliceMarshaler(getMarshalInfo(t)) |
| 1004 | } |
| 1005 | return makeMessageMarshaler(getMarshalInfo(t)) |
| 1006 | } else { |
| 1007 | if slice { |
| 1008 | return makeMessageRefSliceMarshaler(getMarshalInfo(t)) |
| 1009 | } |
| 1010 | return makeMessageRefMarshaler(getMarshalInfo(t)) |
| 1011 | } |
| 1012 | } |
| 1013 | } |
| 1014 | panic(fmt.Sprintf("unknown or mismatched type: type: %v, wire type: %v", t, encoding)) |
| 1015 | } |
| 1016 | |
| 1017 | // Below are functions to size/marshal a specific type of a field. |
| 1018 | // They are stored in the field's info, and called by function pointers. |
| 1019 | // They have type sizer or marshaler. |
| 1020 | |
| 1021 | func sizeFixed32Value(_ pointer, tagsize int) int { |
| 1022 | return 4 + tagsize |
| 1023 | } |
| 1024 | func sizeFixed32ValueNoZero(ptr pointer, tagsize int) int { |
| 1025 | v := *ptr.toUint32() |
| 1026 | if v == 0 { |
| 1027 | return 0 |
| 1028 | } |
| 1029 | return 4 + tagsize |
| 1030 | } |
| 1031 | func sizeFixed32Ptr(ptr pointer, tagsize int) int { |
| 1032 | p := *ptr.toUint32Ptr() |
| 1033 | if p == nil { |
| 1034 | return 0 |
| 1035 | } |
| 1036 | return 4 + tagsize |
| 1037 | } |
| 1038 | func sizeFixed32Slice(ptr pointer, tagsize int) int { |
| 1039 | s := *ptr.toUint32Slice() |
| 1040 | return (4 + tagsize) * len(s) |
| 1041 | } |
| 1042 | func sizeFixed32PackedSlice(ptr pointer, tagsize int) int { |
| 1043 | s := *ptr.toUint32Slice() |
| 1044 | if len(s) == 0 { |
| 1045 | return 0 |
| 1046 | } |
| 1047 | return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize |
| 1048 | } |
| 1049 | func sizeFixedS32Value(_ pointer, tagsize int) int { |
| 1050 | return 4 + tagsize |
| 1051 | } |
| 1052 | func sizeFixedS32ValueNoZero(ptr pointer, tagsize int) int { |
| 1053 | v := *ptr.toInt32() |
| 1054 | if v == 0 { |
| 1055 | return 0 |
| 1056 | } |
| 1057 | return 4 + tagsize |
| 1058 | } |
| 1059 | func sizeFixedS32Ptr(ptr pointer, tagsize int) int { |
| 1060 | p := ptr.getInt32Ptr() |
| 1061 | if p == nil { |
| 1062 | return 0 |
| 1063 | } |
| 1064 | return 4 + tagsize |
| 1065 | } |
| 1066 | func sizeFixedS32Slice(ptr pointer, tagsize int) int { |
| 1067 | s := ptr.getInt32Slice() |
| 1068 | return (4 + tagsize) * len(s) |
| 1069 | } |
| 1070 | func sizeFixedS32PackedSlice(ptr pointer, tagsize int) int { |
| 1071 | s := ptr.getInt32Slice() |
| 1072 | if len(s) == 0 { |
| 1073 | return 0 |
| 1074 | } |
| 1075 | return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize |
| 1076 | } |
| 1077 | func sizeFloat32Value(_ pointer, tagsize int) int { |
| 1078 | return 4 + tagsize |
| 1079 | } |
| 1080 | func sizeFloat32ValueNoZero(ptr pointer, tagsize int) int { |
| 1081 | v := math.Float32bits(*ptr.toFloat32()) |
| 1082 | if v == 0 { |
| 1083 | return 0 |
| 1084 | } |
| 1085 | return 4 + tagsize |
| 1086 | } |
| 1087 | func sizeFloat32Ptr(ptr pointer, tagsize int) int { |
| 1088 | p := *ptr.toFloat32Ptr() |
| 1089 | if p == nil { |
| 1090 | return 0 |
| 1091 | } |
| 1092 | return 4 + tagsize |
| 1093 | } |
| 1094 | func sizeFloat32Slice(ptr pointer, tagsize int) int { |
| 1095 | s := *ptr.toFloat32Slice() |
| 1096 | return (4 + tagsize) * len(s) |
| 1097 | } |
| 1098 | func sizeFloat32PackedSlice(ptr pointer, tagsize int) int { |
| 1099 | s := *ptr.toFloat32Slice() |
| 1100 | if len(s) == 0 { |
| 1101 | return 0 |
| 1102 | } |
| 1103 | return 4*len(s) + SizeVarint(uint64(4*len(s))) + tagsize |
| 1104 | } |
| 1105 | func sizeFixed64Value(_ pointer, tagsize int) int { |
| 1106 | return 8 + tagsize |
| 1107 | } |
| 1108 | func sizeFixed64ValueNoZero(ptr pointer, tagsize int) int { |
| 1109 | v := *ptr.toUint64() |
| 1110 | if v == 0 { |
| 1111 | return 0 |
| 1112 | } |
| 1113 | return 8 + tagsize |
| 1114 | } |
| 1115 | func sizeFixed64Ptr(ptr pointer, tagsize int) int { |
| 1116 | p := *ptr.toUint64Ptr() |
| 1117 | if p == nil { |
| 1118 | return 0 |
| 1119 | } |
| 1120 | return 8 + tagsize |
| 1121 | } |
| 1122 | func sizeFixed64Slice(ptr pointer, tagsize int) int { |
| 1123 | s := *ptr.toUint64Slice() |
| 1124 | return (8 + tagsize) * len(s) |
| 1125 | } |
| 1126 | func sizeFixed64PackedSlice(ptr pointer, tagsize int) int { |
| 1127 | s := *ptr.toUint64Slice() |
| 1128 | if len(s) == 0 { |
| 1129 | return 0 |
| 1130 | } |
| 1131 | return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize |
| 1132 | } |
| 1133 | func sizeFixedS64Value(_ pointer, tagsize int) int { |
| 1134 | return 8 + tagsize |
| 1135 | } |
| 1136 | func sizeFixedS64ValueNoZero(ptr pointer, tagsize int) int { |
| 1137 | v := *ptr.toInt64() |
| 1138 | if v == 0 { |
| 1139 | return 0 |
| 1140 | } |
| 1141 | return 8 + tagsize |
| 1142 | } |
| 1143 | func sizeFixedS64Ptr(ptr pointer, tagsize int) int { |
| 1144 | p := *ptr.toInt64Ptr() |
| 1145 | if p == nil { |
| 1146 | return 0 |
| 1147 | } |
| 1148 | return 8 + tagsize |
| 1149 | } |
| 1150 | func sizeFixedS64Slice(ptr pointer, tagsize int) int { |
| 1151 | s := *ptr.toInt64Slice() |
| 1152 | return (8 + tagsize) * len(s) |
| 1153 | } |
| 1154 | func sizeFixedS64PackedSlice(ptr pointer, tagsize int) int { |
| 1155 | s := *ptr.toInt64Slice() |
| 1156 | if len(s) == 0 { |
| 1157 | return 0 |
| 1158 | } |
| 1159 | return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize |
| 1160 | } |
| 1161 | func sizeFloat64Value(_ pointer, tagsize int) int { |
| 1162 | return 8 + tagsize |
| 1163 | } |
| 1164 | func sizeFloat64ValueNoZero(ptr pointer, tagsize int) int { |
| 1165 | v := math.Float64bits(*ptr.toFloat64()) |
| 1166 | if v == 0 { |
| 1167 | return 0 |
| 1168 | } |
| 1169 | return 8 + tagsize |
| 1170 | } |
| 1171 | func sizeFloat64Ptr(ptr pointer, tagsize int) int { |
| 1172 | p := *ptr.toFloat64Ptr() |
| 1173 | if p == nil { |
| 1174 | return 0 |
| 1175 | } |
| 1176 | return 8 + tagsize |
| 1177 | } |
| 1178 | func sizeFloat64Slice(ptr pointer, tagsize int) int { |
| 1179 | s := *ptr.toFloat64Slice() |
| 1180 | return (8 + tagsize) * len(s) |
| 1181 | } |
| 1182 | func sizeFloat64PackedSlice(ptr pointer, tagsize int) int { |
| 1183 | s := *ptr.toFloat64Slice() |
| 1184 | if len(s) == 0 { |
| 1185 | return 0 |
| 1186 | } |
| 1187 | return 8*len(s) + SizeVarint(uint64(8*len(s))) + tagsize |
| 1188 | } |
| 1189 | func sizeVarint32Value(ptr pointer, tagsize int) int { |
| 1190 | v := *ptr.toUint32() |
| 1191 | return SizeVarint(uint64(v)) + tagsize |
| 1192 | } |
| 1193 | func sizeVarint32ValueNoZero(ptr pointer, tagsize int) int { |
| 1194 | v := *ptr.toUint32() |
| 1195 | if v == 0 { |
| 1196 | return 0 |
| 1197 | } |
| 1198 | return SizeVarint(uint64(v)) + tagsize |
| 1199 | } |
| 1200 | func sizeVarint32Ptr(ptr pointer, tagsize int) int { |
| 1201 | p := *ptr.toUint32Ptr() |
| 1202 | if p == nil { |
| 1203 | return 0 |
| 1204 | } |
| 1205 | return SizeVarint(uint64(*p)) + tagsize |
| 1206 | } |
| 1207 | func sizeVarint32Slice(ptr pointer, tagsize int) int { |
| 1208 | s := *ptr.toUint32Slice() |
| 1209 | n := 0 |
| 1210 | for _, v := range s { |
| 1211 | n += SizeVarint(uint64(v)) + tagsize |
| 1212 | } |
| 1213 | return n |
| 1214 | } |
| 1215 | func sizeVarint32PackedSlice(ptr pointer, tagsize int) int { |
| 1216 | s := *ptr.toUint32Slice() |
| 1217 | if len(s) == 0 { |
| 1218 | return 0 |
| 1219 | } |
| 1220 | n := 0 |
| 1221 | for _, v := range s { |
| 1222 | n += SizeVarint(uint64(v)) |
| 1223 | } |
| 1224 | return n + SizeVarint(uint64(n)) + tagsize |
| 1225 | } |
| 1226 | func sizeVarintS32Value(ptr pointer, tagsize int) int { |
| 1227 | v := *ptr.toInt32() |
| 1228 | return SizeVarint(uint64(v)) + tagsize |
| 1229 | } |
| 1230 | func sizeVarintS32ValueNoZero(ptr pointer, tagsize int) int { |
| 1231 | v := *ptr.toInt32() |
| 1232 | if v == 0 { |
| 1233 | return 0 |
| 1234 | } |
| 1235 | return SizeVarint(uint64(v)) + tagsize |
| 1236 | } |
| 1237 | func sizeVarintS32Ptr(ptr pointer, tagsize int) int { |
| 1238 | p := ptr.getInt32Ptr() |
| 1239 | if p == nil { |
| 1240 | return 0 |
| 1241 | } |
| 1242 | return SizeVarint(uint64(*p)) + tagsize |
| 1243 | } |
| 1244 | func sizeVarintS32Slice(ptr pointer, tagsize int) int { |
| 1245 | s := ptr.getInt32Slice() |
| 1246 | n := 0 |
| 1247 | for _, v := range s { |
| 1248 | n += SizeVarint(uint64(v)) + tagsize |
| 1249 | } |
| 1250 | return n |
| 1251 | } |
| 1252 | func sizeVarintS32PackedSlice(ptr pointer, tagsize int) int { |
| 1253 | s := ptr.getInt32Slice() |
| 1254 | if len(s) == 0 { |
| 1255 | return 0 |
| 1256 | } |
| 1257 | n := 0 |
| 1258 | for _, v := range s { |
| 1259 | n += SizeVarint(uint64(v)) |
| 1260 | } |
| 1261 | return n + SizeVarint(uint64(n)) + tagsize |
| 1262 | } |
| 1263 | func sizeVarint64Value(ptr pointer, tagsize int) int { |
| 1264 | v := *ptr.toUint64() |
| 1265 | return SizeVarint(v) + tagsize |
| 1266 | } |
| 1267 | func sizeVarint64ValueNoZero(ptr pointer, tagsize int) int { |
| 1268 | v := *ptr.toUint64() |
| 1269 | if v == 0 { |
| 1270 | return 0 |
| 1271 | } |
| 1272 | return SizeVarint(v) + tagsize |
| 1273 | } |
| 1274 | func sizeVarint64Ptr(ptr pointer, tagsize int) int { |
| 1275 | p := *ptr.toUint64Ptr() |
| 1276 | if p == nil { |
| 1277 | return 0 |
| 1278 | } |
| 1279 | return SizeVarint(*p) + tagsize |
| 1280 | } |
| 1281 | func sizeVarint64Slice(ptr pointer, tagsize int) int { |
| 1282 | s := *ptr.toUint64Slice() |
| 1283 | n := 0 |
| 1284 | for _, v := range s { |
| 1285 | n += SizeVarint(v) + tagsize |
| 1286 | } |
| 1287 | return n |
| 1288 | } |
| 1289 | func sizeVarint64PackedSlice(ptr pointer, tagsize int) int { |
| 1290 | s := *ptr.toUint64Slice() |
| 1291 | if len(s) == 0 { |
| 1292 | return 0 |
| 1293 | } |
| 1294 | n := 0 |
| 1295 | for _, v := range s { |
| 1296 | n += SizeVarint(v) |
| 1297 | } |
| 1298 | return n + SizeVarint(uint64(n)) + tagsize |
| 1299 | } |
| 1300 | func sizeVarintS64Value(ptr pointer, tagsize int) int { |
| 1301 | v := *ptr.toInt64() |
| 1302 | return SizeVarint(uint64(v)) + tagsize |
| 1303 | } |
| 1304 | func sizeVarintS64ValueNoZero(ptr pointer, tagsize int) int { |
| 1305 | v := *ptr.toInt64() |
| 1306 | if v == 0 { |
| 1307 | return 0 |
| 1308 | } |
| 1309 | return SizeVarint(uint64(v)) + tagsize |
| 1310 | } |
| 1311 | func sizeVarintS64Ptr(ptr pointer, tagsize int) int { |
| 1312 | p := *ptr.toInt64Ptr() |
| 1313 | if p == nil { |
| 1314 | return 0 |
| 1315 | } |
| 1316 | return SizeVarint(uint64(*p)) + tagsize |
| 1317 | } |
| 1318 | func sizeVarintS64Slice(ptr pointer, tagsize int) int { |
| 1319 | s := *ptr.toInt64Slice() |
| 1320 | n := 0 |
| 1321 | for _, v := range s { |
| 1322 | n += SizeVarint(uint64(v)) + tagsize |
| 1323 | } |
| 1324 | return n |
| 1325 | } |
| 1326 | func sizeVarintS64PackedSlice(ptr pointer, tagsize int) int { |
| 1327 | s := *ptr.toInt64Slice() |
| 1328 | if len(s) == 0 { |
| 1329 | return 0 |
| 1330 | } |
| 1331 | n := 0 |
| 1332 | for _, v := range s { |
| 1333 | n += SizeVarint(uint64(v)) |
| 1334 | } |
| 1335 | return n + SizeVarint(uint64(n)) + tagsize |
| 1336 | } |
| 1337 | func sizeZigzag32Value(ptr pointer, tagsize int) int { |
| 1338 | v := *ptr.toInt32() |
| 1339 | return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize |
| 1340 | } |
| 1341 | func sizeZigzag32ValueNoZero(ptr pointer, tagsize int) int { |
| 1342 | v := *ptr.toInt32() |
| 1343 | if v == 0 { |
| 1344 | return 0 |
| 1345 | } |
| 1346 | return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize |
| 1347 | } |
| 1348 | func sizeZigzag32Ptr(ptr pointer, tagsize int) int { |
| 1349 | p := ptr.getInt32Ptr() |
| 1350 | if p == nil { |
| 1351 | return 0 |
| 1352 | } |
| 1353 | v := *p |
| 1354 | return SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize |
| 1355 | } |
| 1356 | func sizeZigzag32Slice(ptr pointer, tagsize int) int { |
| 1357 | s := ptr.getInt32Slice() |
| 1358 | n := 0 |
| 1359 | for _, v := range s { |
| 1360 | n += SizeVarint(uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) + tagsize |
| 1361 | } |
| 1362 | return n |
| 1363 | } |
| 1364 | func sizeZigzag32PackedSlice(ptr pointer, tagsize int) int { |
| 1365 | s := ptr.getInt32Slice() |
| 1366 | if len(s) == 0 { |
| 1367 | return 0 |
| 1368 | } |
| 1369 | n := 0 |
| 1370 | for _, v := range s { |
| 1371 | n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31)))) |
| 1372 | } |
| 1373 | return n + SizeVarint(uint64(n)) + tagsize |
| 1374 | } |
| 1375 | func sizeZigzag64Value(ptr pointer, tagsize int) int { |
| 1376 | v := *ptr.toInt64() |
| 1377 | return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize |
| 1378 | } |
| 1379 | func sizeZigzag64ValueNoZero(ptr pointer, tagsize int) int { |
| 1380 | v := *ptr.toInt64() |
| 1381 | if v == 0 { |
| 1382 | return 0 |
| 1383 | } |
| 1384 | return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize |
| 1385 | } |
| 1386 | func sizeZigzag64Ptr(ptr pointer, tagsize int) int { |
| 1387 | p := *ptr.toInt64Ptr() |
| 1388 | if p == nil { |
| 1389 | return 0 |
| 1390 | } |
| 1391 | v := *p |
| 1392 | return SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize |
| 1393 | } |
| 1394 | func sizeZigzag64Slice(ptr pointer, tagsize int) int { |
| 1395 | s := *ptr.toInt64Slice() |
| 1396 | n := 0 |
| 1397 | for _, v := range s { |
| 1398 | n += SizeVarint(uint64(v<<1)^uint64((int64(v)>>63))) + tagsize |
| 1399 | } |
| 1400 | return n |
| 1401 | } |
| 1402 | func sizeZigzag64PackedSlice(ptr pointer, tagsize int) int { |
| 1403 | s := *ptr.toInt64Slice() |
| 1404 | if len(s) == 0 { |
| 1405 | return 0 |
| 1406 | } |
| 1407 | n := 0 |
| 1408 | for _, v := range s { |
| 1409 | n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63))) |
| 1410 | } |
| 1411 | return n + SizeVarint(uint64(n)) + tagsize |
| 1412 | } |
| 1413 | func sizeBoolValue(_ pointer, tagsize int) int { |
| 1414 | return 1 + tagsize |
| 1415 | } |
| 1416 | func sizeBoolValueNoZero(ptr pointer, tagsize int) int { |
| 1417 | v := *ptr.toBool() |
| 1418 | if !v { |
| 1419 | return 0 |
| 1420 | } |
| 1421 | return 1 + tagsize |
| 1422 | } |
| 1423 | func sizeBoolPtr(ptr pointer, tagsize int) int { |
| 1424 | p := *ptr.toBoolPtr() |
| 1425 | if p == nil { |
| 1426 | return 0 |
| 1427 | } |
| 1428 | return 1 + tagsize |
| 1429 | } |
| 1430 | func sizeBoolSlice(ptr pointer, tagsize int) int { |
| 1431 | s := *ptr.toBoolSlice() |
| 1432 | return (1 + tagsize) * len(s) |
| 1433 | } |
| 1434 | func sizeBoolPackedSlice(ptr pointer, tagsize int) int { |
| 1435 | s := *ptr.toBoolSlice() |
| 1436 | if len(s) == 0 { |
| 1437 | return 0 |
| 1438 | } |
| 1439 | return len(s) + SizeVarint(uint64(len(s))) + tagsize |
| 1440 | } |
| 1441 | func sizeStringValue(ptr pointer, tagsize int) int { |
| 1442 | v := *ptr.toString() |
| 1443 | return len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1444 | } |
| 1445 | func sizeStringValueNoZero(ptr pointer, tagsize int) int { |
| 1446 | v := *ptr.toString() |
| 1447 | if v == "" { |
| 1448 | return 0 |
| 1449 | } |
| 1450 | return len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1451 | } |
| 1452 | func sizeStringPtr(ptr pointer, tagsize int) int { |
| 1453 | p := *ptr.toStringPtr() |
| 1454 | if p == nil { |
| 1455 | return 0 |
| 1456 | } |
| 1457 | v := *p |
| 1458 | return len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1459 | } |
| 1460 | func sizeStringSlice(ptr pointer, tagsize int) int { |
| 1461 | s := *ptr.toStringSlice() |
| 1462 | n := 0 |
| 1463 | for _, v := range s { |
| 1464 | n += len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1465 | } |
| 1466 | return n |
| 1467 | } |
| 1468 | func sizeBytes(ptr pointer, tagsize int) int { |
| 1469 | v := *ptr.toBytes() |
| 1470 | if v == nil { |
| 1471 | return 0 |
| 1472 | } |
| 1473 | return len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1474 | } |
| 1475 | func sizeBytes3(ptr pointer, tagsize int) int { |
| 1476 | v := *ptr.toBytes() |
| 1477 | if len(v) == 0 { |
| 1478 | return 0 |
| 1479 | } |
| 1480 | return len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1481 | } |
| 1482 | func sizeBytesOneof(ptr pointer, tagsize int) int { |
| 1483 | v := *ptr.toBytes() |
| 1484 | return len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1485 | } |
| 1486 | func sizeBytesSlice(ptr pointer, tagsize int) int { |
| 1487 | s := *ptr.toBytesSlice() |
| 1488 | n := 0 |
| 1489 | for _, v := range s { |
| 1490 | n += len(v) + SizeVarint(uint64(len(v))) + tagsize |
| 1491 | } |
| 1492 | return n |
| 1493 | } |
| 1494 | |
| 1495 | // appendFixed32 appends an encoded fixed32 to b. |
| 1496 | func appendFixed32(b []byte, v uint32) []byte { |
| 1497 | b = append(b, |
| 1498 | byte(v), |
| 1499 | byte(v>>8), |
| 1500 | byte(v>>16), |
| 1501 | byte(v>>24)) |
| 1502 | return b |
| 1503 | } |
| 1504 | |
| 1505 | // appendFixed64 appends an encoded fixed64 to b. |
| 1506 | func appendFixed64(b []byte, v uint64) []byte { |
| 1507 | b = append(b, |
| 1508 | byte(v), |
| 1509 | byte(v>>8), |
| 1510 | byte(v>>16), |
| 1511 | byte(v>>24), |
| 1512 | byte(v>>32), |
| 1513 | byte(v>>40), |
| 1514 | byte(v>>48), |
| 1515 | byte(v>>56)) |
| 1516 | return b |
| 1517 | } |
| 1518 | |
| 1519 | // appendVarint appends an encoded varint to b. |
| 1520 | func appendVarint(b []byte, v uint64) []byte { |
| 1521 | // TODO: make 1-byte (maybe 2-byte) case inline-able, once we |
| 1522 | // have non-leaf inliner. |
| 1523 | switch { |
| 1524 | case v < 1<<7: |
| 1525 | b = append(b, byte(v)) |
| 1526 | case v < 1<<14: |
| 1527 | b = append(b, |
| 1528 | byte(v&0x7f|0x80), |
| 1529 | byte(v>>7)) |
| 1530 | case v < 1<<21: |
| 1531 | b = append(b, |
| 1532 | byte(v&0x7f|0x80), |
| 1533 | byte((v>>7)&0x7f|0x80), |
| 1534 | byte(v>>14)) |
| 1535 | case v < 1<<28: |
| 1536 | b = append(b, |
| 1537 | byte(v&0x7f|0x80), |
| 1538 | byte((v>>7)&0x7f|0x80), |
| 1539 | byte((v>>14)&0x7f|0x80), |
| 1540 | byte(v>>21)) |
| 1541 | case v < 1<<35: |
| 1542 | b = append(b, |
| 1543 | byte(v&0x7f|0x80), |
| 1544 | byte((v>>7)&0x7f|0x80), |
| 1545 | byte((v>>14)&0x7f|0x80), |
| 1546 | byte((v>>21)&0x7f|0x80), |
| 1547 | byte(v>>28)) |
| 1548 | case v < 1<<42: |
| 1549 | b = append(b, |
| 1550 | byte(v&0x7f|0x80), |
| 1551 | byte((v>>7)&0x7f|0x80), |
| 1552 | byte((v>>14)&0x7f|0x80), |
| 1553 | byte((v>>21)&0x7f|0x80), |
| 1554 | byte((v>>28)&0x7f|0x80), |
| 1555 | byte(v>>35)) |
| 1556 | case v < 1<<49: |
| 1557 | b = append(b, |
| 1558 | byte(v&0x7f|0x80), |
| 1559 | byte((v>>7)&0x7f|0x80), |
| 1560 | byte((v>>14)&0x7f|0x80), |
| 1561 | byte((v>>21)&0x7f|0x80), |
| 1562 | byte((v>>28)&0x7f|0x80), |
| 1563 | byte((v>>35)&0x7f|0x80), |
| 1564 | byte(v>>42)) |
| 1565 | case v < 1<<56: |
| 1566 | b = append(b, |
| 1567 | byte(v&0x7f|0x80), |
| 1568 | byte((v>>7)&0x7f|0x80), |
| 1569 | byte((v>>14)&0x7f|0x80), |
| 1570 | byte((v>>21)&0x7f|0x80), |
| 1571 | byte((v>>28)&0x7f|0x80), |
| 1572 | byte((v>>35)&0x7f|0x80), |
| 1573 | byte((v>>42)&0x7f|0x80), |
| 1574 | byte(v>>49)) |
| 1575 | case v < 1<<63: |
| 1576 | b = append(b, |
| 1577 | byte(v&0x7f|0x80), |
| 1578 | byte((v>>7)&0x7f|0x80), |
| 1579 | byte((v>>14)&0x7f|0x80), |
| 1580 | byte((v>>21)&0x7f|0x80), |
| 1581 | byte((v>>28)&0x7f|0x80), |
| 1582 | byte((v>>35)&0x7f|0x80), |
| 1583 | byte((v>>42)&0x7f|0x80), |
| 1584 | byte((v>>49)&0x7f|0x80), |
| 1585 | byte(v>>56)) |
| 1586 | default: |
| 1587 | b = append(b, |
| 1588 | byte(v&0x7f|0x80), |
| 1589 | byte((v>>7)&0x7f|0x80), |
| 1590 | byte((v>>14)&0x7f|0x80), |
| 1591 | byte((v>>21)&0x7f|0x80), |
| 1592 | byte((v>>28)&0x7f|0x80), |
| 1593 | byte((v>>35)&0x7f|0x80), |
| 1594 | byte((v>>42)&0x7f|0x80), |
| 1595 | byte((v>>49)&0x7f|0x80), |
| 1596 | byte((v>>56)&0x7f|0x80), |
| 1597 | 1) |
| 1598 | } |
| 1599 | return b |
| 1600 | } |
| 1601 | |
| 1602 | func appendFixed32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1603 | v := *ptr.toUint32() |
| 1604 | b = appendVarint(b, wiretag) |
| 1605 | b = appendFixed32(b, v) |
| 1606 | return b, nil |
| 1607 | } |
| 1608 | func appendFixed32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1609 | v := *ptr.toUint32() |
| 1610 | if v == 0 { |
| 1611 | return b, nil |
| 1612 | } |
| 1613 | b = appendVarint(b, wiretag) |
| 1614 | b = appendFixed32(b, v) |
| 1615 | return b, nil |
| 1616 | } |
| 1617 | func appendFixed32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1618 | p := *ptr.toUint32Ptr() |
| 1619 | if p == nil { |
| 1620 | return b, nil |
| 1621 | } |
| 1622 | b = appendVarint(b, wiretag) |
| 1623 | b = appendFixed32(b, *p) |
| 1624 | return b, nil |
| 1625 | } |
| 1626 | func appendFixed32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1627 | s := *ptr.toUint32Slice() |
| 1628 | for _, v := range s { |
| 1629 | b = appendVarint(b, wiretag) |
| 1630 | b = appendFixed32(b, v) |
| 1631 | } |
| 1632 | return b, nil |
| 1633 | } |
| 1634 | func appendFixed32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1635 | s := *ptr.toUint32Slice() |
| 1636 | if len(s) == 0 { |
| 1637 | return b, nil |
| 1638 | } |
| 1639 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1640 | b = appendVarint(b, uint64(4*len(s))) |
| 1641 | for _, v := range s { |
| 1642 | b = appendFixed32(b, v) |
| 1643 | } |
| 1644 | return b, nil |
| 1645 | } |
| 1646 | func appendFixedS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1647 | v := *ptr.toInt32() |
| 1648 | b = appendVarint(b, wiretag) |
| 1649 | b = appendFixed32(b, uint32(v)) |
| 1650 | return b, nil |
| 1651 | } |
| 1652 | func appendFixedS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1653 | v := *ptr.toInt32() |
| 1654 | if v == 0 { |
| 1655 | return b, nil |
| 1656 | } |
| 1657 | b = appendVarint(b, wiretag) |
| 1658 | b = appendFixed32(b, uint32(v)) |
| 1659 | return b, nil |
| 1660 | } |
| 1661 | func appendFixedS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1662 | p := ptr.getInt32Ptr() |
| 1663 | if p == nil { |
| 1664 | return b, nil |
| 1665 | } |
| 1666 | b = appendVarint(b, wiretag) |
| 1667 | b = appendFixed32(b, uint32(*p)) |
| 1668 | return b, nil |
| 1669 | } |
| 1670 | func appendFixedS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1671 | s := ptr.getInt32Slice() |
| 1672 | for _, v := range s { |
| 1673 | b = appendVarint(b, wiretag) |
| 1674 | b = appendFixed32(b, uint32(v)) |
| 1675 | } |
| 1676 | return b, nil |
| 1677 | } |
| 1678 | func appendFixedS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1679 | s := ptr.getInt32Slice() |
| 1680 | if len(s) == 0 { |
| 1681 | return b, nil |
| 1682 | } |
| 1683 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1684 | b = appendVarint(b, uint64(4*len(s))) |
| 1685 | for _, v := range s { |
| 1686 | b = appendFixed32(b, uint32(v)) |
| 1687 | } |
| 1688 | return b, nil |
| 1689 | } |
| 1690 | func appendFloat32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1691 | v := math.Float32bits(*ptr.toFloat32()) |
| 1692 | b = appendVarint(b, wiretag) |
| 1693 | b = appendFixed32(b, v) |
| 1694 | return b, nil |
| 1695 | } |
| 1696 | func appendFloat32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1697 | v := math.Float32bits(*ptr.toFloat32()) |
| 1698 | if v == 0 { |
| 1699 | return b, nil |
| 1700 | } |
| 1701 | b = appendVarint(b, wiretag) |
| 1702 | b = appendFixed32(b, v) |
| 1703 | return b, nil |
| 1704 | } |
| 1705 | func appendFloat32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1706 | p := *ptr.toFloat32Ptr() |
| 1707 | if p == nil { |
| 1708 | return b, nil |
| 1709 | } |
| 1710 | b = appendVarint(b, wiretag) |
| 1711 | b = appendFixed32(b, math.Float32bits(*p)) |
| 1712 | return b, nil |
| 1713 | } |
| 1714 | func appendFloat32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1715 | s := *ptr.toFloat32Slice() |
| 1716 | for _, v := range s { |
| 1717 | b = appendVarint(b, wiretag) |
| 1718 | b = appendFixed32(b, math.Float32bits(v)) |
| 1719 | } |
| 1720 | return b, nil |
| 1721 | } |
| 1722 | func appendFloat32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1723 | s := *ptr.toFloat32Slice() |
| 1724 | if len(s) == 0 { |
| 1725 | return b, nil |
| 1726 | } |
| 1727 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1728 | b = appendVarint(b, uint64(4*len(s))) |
| 1729 | for _, v := range s { |
| 1730 | b = appendFixed32(b, math.Float32bits(v)) |
| 1731 | } |
| 1732 | return b, nil |
| 1733 | } |
| 1734 | func appendFixed64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1735 | v := *ptr.toUint64() |
| 1736 | b = appendVarint(b, wiretag) |
| 1737 | b = appendFixed64(b, v) |
| 1738 | return b, nil |
| 1739 | } |
| 1740 | func appendFixed64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1741 | v := *ptr.toUint64() |
| 1742 | if v == 0 { |
| 1743 | return b, nil |
| 1744 | } |
| 1745 | b = appendVarint(b, wiretag) |
| 1746 | b = appendFixed64(b, v) |
| 1747 | return b, nil |
| 1748 | } |
| 1749 | func appendFixed64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1750 | p := *ptr.toUint64Ptr() |
| 1751 | if p == nil { |
| 1752 | return b, nil |
| 1753 | } |
| 1754 | b = appendVarint(b, wiretag) |
| 1755 | b = appendFixed64(b, *p) |
| 1756 | return b, nil |
| 1757 | } |
| 1758 | func appendFixed64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1759 | s := *ptr.toUint64Slice() |
| 1760 | for _, v := range s { |
| 1761 | b = appendVarint(b, wiretag) |
| 1762 | b = appendFixed64(b, v) |
| 1763 | } |
| 1764 | return b, nil |
| 1765 | } |
| 1766 | func appendFixed64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1767 | s := *ptr.toUint64Slice() |
| 1768 | if len(s) == 0 { |
| 1769 | return b, nil |
| 1770 | } |
| 1771 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1772 | b = appendVarint(b, uint64(8*len(s))) |
| 1773 | for _, v := range s { |
| 1774 | b = appendFixed64(b, v) |
| 1775 | } |
| 1776 | return b, nil |
| 1777 | } |
| 1778 | func appendFixedS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1779 | v := *ptr.toInt64() |
| 1780 | b = appendVarint(b, wiretag) |
| 1781 | b = appendFixed64(b, uint64(v)) |
| 1782 | return b, nil |
| 1783 | } |
| 1784 | func appendFixedS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1785 | v := *ptr.toInt64() |
| 1786 | if v == 0 { |
| 1787 | return b, nil |
| 1788 | } |
| 1789 | b = appendVarint(b, wiretag) |
| 1790 | b = appendFixed64(b, uint64(v)) |
| 1791 | return b, nil |
| 1792 | } |
| 1793 | func appendFixedS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1794 | p := *ptr.toInt64Ptr() |
| 1795 | if p == nil { |
| 1796 | return b, nil |
| 1797 | } |
| 1798 | b = appendVarint(b, wiretag) |
| 1799 | b = appendFixed64(b, uint64(*p)) |
| 1800 | return b, nil |
| 1801 | } |
| 1802 | func appendFixedS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1803 | s := *ptr.toInt64Slice() |
| 1804 | for _, v := range s { |
| 1805 | b = appendVarint(b, wiretag) |
| 1806 | b = appendFixed64(b, uint64(v)) |
| 1807 | } |
| 1808 | return b, nil |
| 1809 | } |
| 1810 | func appendFixedS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1811 | s := *ptr.toInt64Slice() |
| 1812 | if len(s) == 0 { |
| 1813 | return b, nil |
| 1814 | } |
| 1815 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1816 | b = appendVarint(b, uint64(8*len(s))) |
| 1817 | for _, v := range s { |
| 1818 | b = appendFixed64(b, uint64(v)) |
| 1819 | } |
| 1820 | return b, nil |
| 1821 | } |
| 1822 | func appendFloat64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1823 | v := math.Float64bits(*ptr.toFloat64()) |
| 1824 | b = appendVarint(b, wiretag) |
| 1825 | b = appendFixed64(b, v) |
| 1826 | return b, nil |
| 1827 | } |
| 1828 | func appendFloat64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1829 | v := math.Float64bits(*ptr.toFloat64()) |
| 1830 | if v == 0 { |
| 1831 | return b, nil |
| 1832 | } |
| 1833 | b = appendVarint(b, wiretag) |
| 1834 | b = appendFixed64(b, v) |
| 1835 | return b, nil |
| 1836 | } |
| 1837 | func appendFloat64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1838 | p := *ptr.toFloat64Ptr() |
| 1839 | if p == nil { |
| 1840 | return b, nil |
| 1841 | } |
| 1842 | b = appendVarint(b, wiretag) |
| 1843 | b = appendFixed64(b, math.Float64bits(*p)) |
| 1844 | return b, nil |
| 1845 | } |
| 1846 | func appendFloat64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1847 | s := *ptr.toFloat64Slice() |
| 1848 | for _, v := range s { |
| 1849 | b = appendVarint(b, wiretag) |
| 1850 | b = appendFixed64(b, math.Float64bits(v)) |
| 1851 | } |
| 1852 | return b, nil |
| 1853 | } |
| 1854 | func appendFloat64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1855 | s := *ptr.toFloat64Slice() |
| 1856 | if len(s) == 0 { |
| 1857 | return b, nil |
| 1858 | } |
| 1859 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1860 | b = appendVarint(b, uint64(8*len(s))) |
| 1861 | for _, v := range s { |
| 1862 | b = appendFixed64(b, math.Float64bits(v)) |
| 1863 | } |
| 1864 | return b, nil |
| 1865 | } |
| 1866 | func appendVarint32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1867 | v := *ptr.toUint32() |
| 1868 | b = appendVarint(b, wiretag) |
| 1869 | b = appendVarint(b, uint64(v)) |
| 1870 | return b, nil |
| 1871 | } |
| 1872 | func appendVarint32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1873 | v := *ptr.toUint32() |
| 1874 | if v == 0 { |
| 1875 | return b, nil |
| 1876 | } |
| 1877 | b = appendVarint(b, wiretag) |
| 1878 | b = appendVarint(b, uint64(v)) |
| 1879 | return b, nil |
| 1880 | } |
| 1881 | func appendVarint32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1882 | p := *ptr.toUint32Ptr() |
| 1883 | if p == nil { |
| 1884 | return b, nil |
| 1885 | } |
| 1886 | b = appendVarint(b, wiretag) |
| 1887 | b = appendVarint(b, uint64(*p)) |
| 1888 | return b, nil |
| 1889 | } |
| 1890 | func appendVarint32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1891 | s := *ptr.toUint32Slice() |
| 1892 | for _, v := range s { |
| 1893 | b = appendVarint(b, wiretag) |
| 1894 | b = appendVarint(b, uint64(v)) |
| 1895 | } |
| 1896 | return b, nil |
| 1897 | } |
| 1898 | func appendVarint32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1899 | s := *ptr.toUint32Slice() |
| 1900 | if len(s) == 0 { |
| 1901 | return b, nil |
| 1902 | } |
| 1903 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1904 | // compute size |
| 1905 | n := 0 |
| 1906 | for _, v := range s { |
| 1907 | n += SizeVarint(uint64(v)) |
| 1908 | } |
| 1909 | b = appendVarint(b, uint64(n)) |
| 1910 | for _, v := range s { |
| 1911 | b = appendVarint(b, uint64(v)) |
| 1912 | } |
| 1913 | return b, nil |
| 1914 | } |
| 1915 | func appendVarintS32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1916 | v := *ptr.toInt32() |
| 1917 | b = appendVarint(b, wiretag) |
| 1918 | b = appendVarint(b, uint64(v)) |
| 1919 | return b, nil |
| 1920 | } |
| 1921 | func appendVarintS32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1922 | v := *ptr.toInt32() |
| 1923 | if v == 0 { |
| 1924 | return b, nil |
| 1925 | } |
| 1926 | b = appendVarint(b, wiretag) |
| 1927 | b = appendVarint(b, uint64(v)) |
| 1928 | return b, nil |
| 1929 | } |
| 1930 | func appendVarintS32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1931 | p := ptr.getInt32Ptr() |
| 1932 | if p == nil { |
| 1933 | return b, nil |
| 1934 | } |
| 1935 | b = appendVarint(b, wiretag) |
| 1936 | b = appendVarint(b, uint64(*p)) |
| 1937 | return b, nil |
| 1938 | } |
| 1939 | func appendVarintS32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1940 | s := ptr.getInt32Slice() |
| 1941 | for _, v := range s { |
| 1942 | b = appendVarint(b, wiretag) |
| 1943 | b = appendVarint(b, uint64(v)) |
| 1944 | } |
| 1945 | return b, nil |
| 1946 | } |
| 1947 | func appendVarintS32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1948 | s := ptr.getInt32Slice() |
| 1949 | if len(s) == 0 { |
| 1950 | return b, nil |
| 1951 | } |
| 1952 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 1953 | // compute size |
| 1954 | n := 0 |
| 1955 | for _, v := range s { |
| 1956 | n += SizeVarint(uint64(v)) |
| 1957 | } |
| 1958 | b = appendVarint(b, uint64(n)) |
| 1959 | for _, v := range s { |
| 1960 | b = appendVarint(b, uint64(v)) |
| 1961 | } |
| 1962 | return b, nil |
| 1963 | } |
| 1964 | func appendVarint64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1965 | v := *ptr.toUint64() |
| 1966 | b = appendVarint(b, wiretag) |
| 1967 | b = appendVarint(b, v) |
| 1968 | return b, nil |
| 1969 | } |
| 1970 | func appendVarint64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1971 | v := *ptr.toUint64() |
| 1972 | if v == 0 { |
| 1973 | return b, nil |
| 1974 | } |
| 1975 | b = appendVarint(b, wiretag) |
| 1976 | b = appendVarint(b, v) |
| 1977 | return b, nil |
| 1978 | } |
| 1979 | func appendVarint64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1980 | p := *ptr.toUint64Ptr() |
| 1981 | if p == nil { |
| 1982 | return b, nil |
| 1983 | } |
| 1984 | b = appendVarint(b, wiretag) |
| 1985 | b = appendVarint(b, *p) |
| 1986 | return b, nil |
| 1987 | } |
| 1988 | func appendVarint64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1989 | s := *ptr.toUint64Slice() |
| 1990 | for _, v := range s { |
| 1991 | b = appendVarint(b, wiretag) |
| 1992 | b = appendVarint(b, v) |
| 1993 | } |
| 1994 | return b, nil |
| 1995 | } |
| 1996 | func appendVarint64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 1997 | s := *ptr.toUint64Slice() |
| 1998 | if len(s) == 0 { |
| 1999 | return b, nil |
| 2000 | } |
| 2001 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 2002 | // compute size |
| 2003 | n := 0 |
| 2004 | for _, v := range s { |
| 2005 | n += SizeVarint(v) |
| 2006 | } |
| 2007 | b = appendVarint(b, uint64(n)) |
| 2008 | for _, v := range s { |
| 2009 | b = appendVarint(b, v) |
| 2010 | } |
| 2011 | return b, nil |
| 2012 | } |
| 2013 | func appendVarintS64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2014 | v := *ptr.toInt64() |
| 2015 | b = appendVarint(b, wiretag) |
| 2016 | b = appendVarint(b, uint64(v)) |
| 2017 | return b, nil |
| 2018 | } |
| 2019 | func appendVarintS64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2020 | v := *ptr.toInt64() |
| 2021 | if v == 0 { |
| 2022 | return b, nil |
| 2023 | } |
| 2024 | b = appendVarint(b, wiretag) |
| 2025 | b = appendVarint(b, uint64(v)) |
| 2026 | return b, nil |
| 2027 | } |
| 2028 | func appendVarintS64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2029 | p := *ptr.toInt64Ptr() |
| 2030 | if p == nil { |
| 2031 | return b, nil |
| 2032 | } |
| 2033 | b = appendVarint(b, wiretag) |
| 2034 | b = appendVarint(b, uint64(*p)) |
| 2035 | return b, nil |
| 2036 | } |
| 2037 | func appendVarintS64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2038 | s := *ptr.toInt64Slice() |
| 2039 | for _, v := range s { |
| 2040 | b = appendVarint(b, wiretag) |
| 2041 | b = appendVarint(b, uint64(v)) |
| 2042 | } |
| 2043 | return b, nil |
| 2044 | } |
| 2045 | func appendVarintS64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2046 | s := *ptr.toInt64Slice() |
| 2047 | if len(s) == 0 { |
| 2048 | return b, nil |
| 2049 | } |
| 2050 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 2051 | // compute size |
| 2052 | n := 0 |
| 2053 | for _, v := range s { |
| 2054 | n += SizeVarint(uint64(v)) |
| 2055 | } |
| 2056 | b = appendVarint(b, uint64(n)) |
| 2057 | for _, v := range s { |
| 2058 | b = appendVarint(b, uint64(v)) |
| 2059 | } |
| 2060 | return b, nil |
| 2061 | } |
| 2062 | func appendZigzag32Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2063 | v := *ptr.toInt32() |
| 2064 | b = appendVarint(b, wiretag) |
| 2065 | b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) |
| 2066 | return b, nil |
| 2067 | } |
| 2068 | func appendZigzag32ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2069 | v := *ptr.toInt32() |
| 2070 | if v == 0 { |
| 2071 | return b, nil |
| 2072 | } |
| 2073 | b = appendVarint(b, wiretag) |
| 2074 | b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) |
| 2075 | return b, nil |
| 2076 | } |
| 2077 | func appendZigzag32Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2078 | p := ptr.getInt32Ptr() |
| 2079 | if p == nil { |
| 2080 | return b, nil |
| 2081 | } |
| 2082 | b = appendVarint(b, wiretag) |
| 2083 | v := *p |
| 2084 | b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) |
| 2085 | return b, nil |
| 2086 | } |
| 2087 | func appendZigzag32Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2088 | s := ptr.getInt32Slice() |
| 2089 | for _, v := range s { |
| 2090 | b = appendVarint(b, wiretag) |
| 2091 | b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) |
| 2092 | } |
| 2093 | return b, nil |
| 2094 | } |
| 2095 | func appendZigzag32PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2096 | s := ptr.getInt32Slice() |
| 2097 | if len(s) == 0 { |
| 2098 | return b, nil |
| 2099 | } |
| 2100 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 2101 | // compute size |
| 2102 | n := 0 |
| 2103 | for _, v := range s { |
| 2104 | n += SizeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31)))) |
| 2105 | } |
| 2106 | b = appendVarint(b, uint64(n)) |
| 2107 | for _, v := range s { |
| 2108 | b = appendVarint(b, uint64((uint32(v)<<1)^uint32((int32(v)>>31)))) |
| 2109 | } |
| 2110 | return b, nil |
| 2111 | } |
| 2112 | func appendZigzag64Value(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2113 | v := *ptr.toInt64() |
| 2114 | b = appendVarint(b, wiretag) |
| 2115 | b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) |
| 2116 | return b, nil |
| 2117 | } |
| 2118 | func appendZigzag64ValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2119 | v := *ptr.toInt64() |
| 2120 | if v == 0 { |
| 2121 | return b, nil |
| 2122 | } |
| 2123 | b = appendVarint(b, wiretag) |
| 2124 | b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) |
| 2125 | return b, nil |
| 2126 | } |
| 2127 | func appendZigzag64Ptr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2128 | p := *ptr.toInt64Ptr() |
| 2129 | if p == nil { |
| 2130 | return b, nil |
| 2131 | } |
| 2132 | b = appendVarint(b, wiretag) |
| 2133 | v := *p |
| 2134 | b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) |
| 2135 | return b, nil |
| 2136 | } |
| 2137 | func appendZigzag64Slice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2138 | s := *ptr.toInt64Slice() |
| 2139 | for _, v := range s { |
| 2140 | b = appendVarint(b, wiretag) |
| 2141 | b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) |
| 2142 | } |
| 2143 | return b, nil |
| 2144 | } |
| 2145 | func appendZigzag64PackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2146 | s := *ptr.toInt64Slice() |
| 2147 | if len(s) == 0 { |
| 2148 | return b, nil |
| 2149 | } |
| 2150 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 2151 | // compute size |
| 2152 | n := 0 |
| 2153 | for _, v := range s { |
| 2154 | n += SizeVarint(uint64(v<<1) ^ uint64((int64(v) >> 63))) |
| 2155 | } |
| 2156 | b = appendVarint(b, uint64(n)) |
| 2157 | for _, v := range s { |
| 2158 | b = appendVarint(b, uint64(v<<1)^uint64((int64(v)>>63))) |
| 2159 | } |
| 2160 | return b, nil |
| 2161 | } |
| 2162 | func appendBoolValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2163 | v := *ptr.toBool() |
| 2164 | b = appendVarint(b, wiretag) |
| 2165 | if v { |
| 2166 | b = append(b, 1) |
| 2167 | } else { |
| 2168 | b = append(b, 0) |
| 2169 | } |
| 2170 | return b, nil |
| 2171 | } |
| 2172 | func appendBoolValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2173 | v := *ptr.toBool() |
| 2174 | if !v { |
| 2175 | return b, nil |
| 2176 | } |
| 2177 | b = appendVarint(b, wiretag) |
| 2178 | b = append(b, 1) |
| 2179 | return b, nil |
| 2180 | } |
| 2181 | |
| 2182 | func appendBoolPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2183 | p := *ptr.toBoolPtr() |
| 2184 | if p == nil { |
| 2185 | return b, nil |
| 2186 | } |
| 2187 | b = appendVarint(b, wiretag) |
| 2188 | if *p { |
| 2189 | b = append(b, 1) |
| 2190 | } else { |
| 2191 | b = append(b, 0) |
| 2192 | } |
| 2193 | return b, nil |
| 2194 | } |
| 2195 | func appendBoolSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2196 | s := *ptr.toBoolSlice() |
| 2197 | for _, v := range s { |
| 2198 | b = appendVarint(b, wiretag) |
| 2199 | if v { |
| 2200 | b = append(b, 1) |
| 2201 | } else { |
| 2202 | b = append(b, 0) |
| 2203 | } |
| 2204 | } |
| 2205 | return b, nil |
| 2206 | } |
| 2207 | func appendBoolPackedSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2208 | s := *ptr.toBoolSlice() |
| 2209 | if len(s) == 0 { |
| 2210 | return b, nil |
| 2211 | } |
| 2212 | b = appendVarint(b, wiretag&^7|WireBytes) |
| 2213 | b = appendVarint(b, uint64(len(s))) |
| 2214 | for _, v := range s { |
| 2215 | if v { |
| 2216 | b = append(b, 1) |
| 2217 | } else { |
| 2218 | b = append(b, 0) |
| 2219 | } |
| 2220 | } |
| 2221 | return b, nil |
| 2222 | } |
| 2223 | func appendStringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2224 | v := *ptr.toString() |
| 2225 | b = appendVarint(b, wiretag) |
| 2226 | b = appendVarint(b, uint64(len(v))) |
| 2227 | b = append(b, v...) |
| 2228 | return b, nil |
| 2229 | } |
| 2230 | func appendStringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2231 | v := *ptr.toString() |
| 2232 | if v == "" { |
| 2233 | return b, nil |
| 2234 | } |
| 2235 | b = appendVarint(b, wiretag) |
| 2236 | b = appendVarint(b, uint64(len(v))) |
| 2237 | b = append(b, v...) |
| 2238 | return b, nil |
| 2239 | } |
| 2240 | func appendStringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2241 | p := *ptr.toStringPtr() |
| 2242 | if p == nil { |
| 2243 | return b, nil |
| 2244 | } |
| 2245 | v := *p |
| 2246 | b = appendVarint(b, wiretag) |
| 2247 | b = appendVarint(b, uint64(len(v))) |
| 2248 | b = append(b, v...) |
| 2249 | return b, nil |
| 2250 | } |
| 2251 | func appendStringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2252 | s := *ptr.toStringSlice() |
| 2253 | for _, v := range s { |
| 2254 | b = appendVarint(b, wiretag) |
| 2255 | b = appendVarint(b, uint64(len(v))) |
| 2256 | b = append(b, v...) |
| 2257 | } |
| 2258 | return b, nil |
| 2259 | } |
| 2260 | func appendUTF8StringValue(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2261 | var invalidUTF8 bool |
| 2262 | v := *ptr.toString() |
| 2263 | if !utf8.ValidString(v) { |
| 2264 | invalidUTF8 = true |
| 2265 | } |
| 2266 | b = appendVarint(b, wiretag) |
| 2267 | b = appendVarint(b, uint64(len(v))) |
| 2268 | b = append(b, v...) |
| 2269 | if invalidUTF8 { |
| 2270 | return b, errInvalidUTF8 |
| 2271 | } |
| 2272 | return b, nil |
| 2273 | } |
| 2274 | func appendUTF8StringValueNoZero(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2275 | var invalidUTF8 bool |
| 2276 | v := *ptr.toString() |
| 2277 | if v == "" { |
| 2278 | return b, nil |
| 2279 | } |
| 2280 | if !utf8.ValidString(v) { |
| 2281 | invalidUTF8 = true |
| 2282 | } |
| 2283 | b = appendVarint(b, wiretag) |
| 2284 | b = appendVarint(b, uint64(len(v))) |
| 2285 | b = append(b, v...) |
| 2286 | if invalidUTF8 { |
| 2287 | return b, errInvalidUTF8 |
| 2288 | } |
| 2289 | return b, nil |
| 2290 | } |
| 2291 | func appendUTF8StringPtr(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2292 | var invalidUTF8 bool |
| 2293 | p := *ptr.toStringPtr() |
| 2294 | if p == nil { |
| 2295 | return b, nil |
| 2296 | } |
| 2297 | v := *p |
| 2298 | if !utf8.ValidString(v) { |
| 2299 | invalidUTF8 = true |
| 2300 | } |
| 2301 | b = appendVarint(b, wiretag) |
| 2302 | b = appendVarint(b, uint64(len(v))) |
| 2303 | b = append(b, v...) |
| 2304 | if invalidUTF8 { |
| 2305 | return b, errInvalidUTF8 |
| 2306 | } |
| 2307 | return b, nil |
| 2308 | } |
| 2309 | func appendUTF8StringSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2310 | var invalidUTF8 bool |
| 2311 | s := *ptr.toStringSlice() |
| 2312 | for _, v := range s { |
| 2313 | if !utf8.ValidString(v) { |
| 2314 | invalidUTF8 = true |
| 2315 | } |
| 2316 | b = appendVarint(b, wiretag) |
| 2317 | b = appendVarint(b, uint64(len(v))) |
| 2318 | b = append(b, v...) |
| 2319 | } |
| 2320 | if invalidUTF8 { |
| 2321 | return b, errInvalidUTF8 |
| 2322 | } |
| 2323 | return b, nil |
| 2324 | } |
| 2325 | func appendBytes(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2326 | v := *ptr.toBytes() |
| 2327 | if v == nil { |
| 2328 | return b, nil |
| 2329 | } |
| 2330 | b = appendVarint(b, wiretag) |
| 2331 | b = appendVarint(b, uint64(len(v))) |
| 2332 | b = append(b, v...) |
| 2333 | return b, nil |
| 2334 | } |
| 2335 | func appendBytes3(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2336 | v := *ptr.toBytes() |
| 2337 | if len(v) == 0 { |
| 2338 | return b, nil |
| 2339 | } |
| 2340 | b = appendVarint(b, wiretag) |
| 2341 | b = appendVarint(b, uint64(len(v))) |
| 2342 | b = append(b, v...) |
| 2343 | return b, nil |
| 2344 | } |
| 2345 | func appendBytesOneof(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2346 | v := *ptr.toBytes() |
| 2347 | b = appendVarint(b, wiretag) |
| 2348 | b = appendVarint(b, uint64(len(v))) |
| 2349 | b = append(b, v...) |
| 2350 | return b, nil |
| 2351 | } |
| 2352 | func appendBytesSlice(b []byte, ptr pointer, wiretag uint64, _ bool) ([]byte, error) { |
| 2353 | s := *ptr.toBytesSlice() |
| 2354 | for _, v := range s { |
| 2355 | b = appendVarint(b, wiretag) |
| 2356 | b = appendVarint(b, uint64(len(v))) |
| 2357 | b = append(b, v...) |
| 2358 | } |
| 2359 | return b, nil |
| 2360 | } |
| 2361 | |
| 2362 | // makeGroupMarshaler returns the sizer and marshaler for a group. |
| 2363 | // u is the marshal info of the underlying message. |
| 2364 | func makeGroupMarshaler(u *marshalInfo) (sizer, marshaler) { |
| 2365 | return func(ptr pointer, tagsize int) int { |
| 2366 | p := ptr.getPointer() |
| 2367 | if p.isNil() { |
| 2368 | return 0 |
| 2369 | } |
| 2370 | return u.size(p) + 2*tagsize |
| 2371 | }, |
| 2372 | func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { |
| 2373 | p := ptr.getPointer() |
| 2374 | if p.isNil() { |
| 2375 | return b, nil |
| 2376 | } |
| 2377 | var err error |
| 2378 | b = appendVarint(b, wiretag) // start group |
| 2379 | b, err = u.marshal(b, p, deterministic) |
| 2380 | b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group |
| 2381 | return b, err |
| 2382 | } |
| 2383 | } |
| 2384 | |
| 2385 | // makeGroupSliceMarshaler returns the sizer and marshaler for a group slice. |
| 2386 | // u is the marshal info of the underlying message. |
| 2387 | func makeGroupSliceMarshaler(u *marshalInfo) (sizer, marshaler) { |
| 2388 | return func(ptr pointer, tagsize int) int { |
| 2389 | s := ptr.getPointerSlice() |
| 2390 | n := 0 |
| 2391 | for _, v := range s { |
| 2392 | if v.isNil() { |
| 2393 | continue |
| 2394 | } |
| 2395 | n += u.size(v) + 2*tagsize |
| 2396 | } |
| 2397 | return n |
| 2398 | }, |
| 2399 | func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { |
| 2400 | s := ptr.getPointerSlice() |
| 2401 | var err error |
| 2402 | var nerr nonFatal |
| 2403 | for _, v := range s { |
| 2404 | if v.isNil() { |
| 2405 | return b, errRepeatedHasNil |
| 2406 | } |
| 2407 | b = appendVarint(b, wiretag) // start group |
| 2408 | b, err = u.marshal(b, v, deterministic) |
| 2409 | b = appendVarint(b, wiretag+(WireEndGroup-WireStartGroup)) // end group |
| 2410 | if !nerr.Merge(err) { |
| 2411 | if err == ErrNil { |
| 2412 | err = errRepeatedHasNil |
| 2413 | } |
| 2414 | return b, err |
| 2415 | } |
| 2416 | } |
| 2417 | return b, nerr.E |
| 2418 | } |
| 2419 | } |
| 2420 | |
| 2421 | // makeMessageMarshaler returns the sizer and marshaler for a message field. |
| 2422 | // u is the marshal info of the message. |
| 2423 | func makeMessageMarshaler(u *marshalInfo) (sizer, marshaler) { |
| 2424 | return func(ptr pointer, tagsize int) int { |
| 2425 | p := ptr.getPointer() |
| 2426 | if p.isNil() { |
| 2427 | return 0 |
| 2428 | } |
| 2429 | siz := u.size(p) |
| 2430 | return siz + SizeVarint(uint64(siz)) + tagsize |
| 2431 | }, |
| 2432 | func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { |
| 2433 | p := ptr.getPointer() |
| 2434 | if p.isNil() { |
| 2435 | return b, nil |
| 2436 | } |
| 2437 | b = appendVarint(b, wiretag) |
| 2438 | siz := u.cachedsize(p) |
| 2439 | b = appendVarint(b, uint64(siz)) |
| 2440 | return u.marshal(b, p, deterministic) |
| 2441 | } |
| 2442 | } |
| 2443 | |
| 2444 | // makeMessageSliceMarshaler returns the sizer and marshaler for a message slice. |
| 2445 | // u is the marshal info of the message. |
| 2446 | func makeMessageSliceMarshaler(u *marshalInfo) (sizer, marshaler) { |
| 2447 | return func(ptr pointer, tagsize int) int { |
| 2448 | s := ptr.getPointerSlice() |
| 2449 | n := 0 |
| 2450 | for _, v := range s { |
| 2451 | if v.isNil() { |
| 2452 | continue |
| 2453 | } |
| 2454 | siz := u.size(v) |
| 2455 | n += siz + SizeVarint(uint64(siz)) + tagsize |
| 2456 | } |
| 2457 | return n |
| 2458 | }, |
| 2459 | func(b []byte, ptr pointer, wiretag uint64, deterministic bool) ([]byte, error) { |
| 2460 | s := ptr.getPointerSlice() |
| 2461 | var err error |
| 2462 | var nerr nonFatal |
| 2463 | for _, v := range s { |
| 2464 | if v.isNil() { |
| 2465 | return b, errRepeatedHasNil |
| 2466 | } |
| 2467 | b = appendVarint(b, wiretag) |
| 2468 | siz := u.cachedsize(v) |
| 2469 | b = appendVarint(b, uint64(siz)) |
| 2470 | b, err = u.marshal(b, v, deterministic) |
| 2471 | |
| 2472 | if !nerr.Merge(err) { |
| 2473 | if err == ErrNil { |
| 2474 | err = errRepeatedHasNil |
| 2475 | } |
| 2476 | return b, err |
| 2477 | } |
| 2478 | } |
| 2479 | return b, nerr.E |
| 2480 | } |
| 2481 | } |
| 2482 | |
| 2483 | // makeMapMarshaler returns the sizer and marshaler for a map field. |
| 2484 | // f is the pointer to the reflect data structure of the field. |
| 2485 | func makeMapMarshaler(f *reflect.StructField) (sizer, marshaler) { |
| 2486 | // figure out key and value type |
| 2487 | t := f.Type |
| 2488 | keyType := t.Key() |
| 2489 | valType := t.Elem() |
| 2490 | tags := strings.Split(f.Tag.Get("protobuf"), ",") |
| 2491 | keyTags := strings.Split(f.Tag.Get("protobuf_key"), ",") |
| 2492 | valTags := strings.Split(f.Tag.Get("protobuf_val"), ",") |
| 2493 | stdOptions := false |
| 2494 | for _, t := range tags { |
| 2495 | if strings.HasPrefix(t, "customtype=") { |
| 2496 | valTags = append(valTags, t) |
| 2497 | } |
| 2498 | if t == "stdtime" { |
| 2499 | valTags = append(valTags, t) |
| 2500 | stdOptions = true |
| 2501 | } |
| 2502 | if t == "stdduration" { |
| 2503 | valTags = append(valTags, t) |
| 2504 | stdOptions = true |
| 2505 | } |
| 2506 | if t == "wktptr" { |
| 2507 | valTags = append(valTags, t) |
| 2508 | } |
| 2509 | } |
| 2510 | keySizer, keyMarshaler := typeMarshaler(keyType, keyTags, false, false) // don't omit zero value in map |
| 2511 | valSizer, valMarshaler := typeMarshaler(valType, valTags, false, false) // don't omit zero value in map |
| 2512 | keyWireTag := 1<<3 | wiretype(keyTags[0]) |
| 2513 | valWireTag := 2<<3 | wiretype(valTags[0]) |
| 2514 | |
| 2515 | // We create an interface to get the addresses of the map key and value. |
| 2516 | // If value is pointer-typed, the interface is a direct interface, the |
| 2517 | // idata itself is the value. Otherwise, the idata is the pointer to the |
| 2518 | // value. |
| 2519 | // Key cannot be pointer-typed. |
| 2520 | valIsPtr := valType.Kind() == reflect.Ptr |
| 2521 | |
| 2522 | // If value is a message with nested maps, calling |
| 2523 | // valSizer in marshal may be quadratic. We should use |
| 2524 | // cached version in marshal (but not in size). |
| 2525 | // If value is not message type, we don't have size cache, |
| 2526 | // but it cannot be nested either. Just use valSizer. |
| 2527 | valCachedSizer := valSizer |
| 2528 | if valIsPtr && !stdOptions && valType.Elem().Kind() == reflect.Struct { |
| 2529 | u := getMarshalInfo(valType.Elem()) |
| 2530 | valCachedSizer = func(ptr pointer, tagsize int) int { |
| 2531 | // Same as message sizer, but use cache. |
| 2532 | p := ptr.getPointer() |
| 2533 | if p.isNil() { |
| 2534 | return 0 |
| 2535 | } |
| 2536 | siz := u.cachedsize(p) |
| 2537 | return siz + SizeVarint(uint64(siz)) + tagsize |
| 2538 | } |
| 2539 | } |
| 2540 | return func(ptr pointer, tagsize int) int { |
| 2541 | m := ptr.asPointerTo(t).Elem() // the map |
| 2542 | n := 0 |
| 2543 | for _, k := range m.MapKeys() { |
| 2544 | ki := k.Interface() |
| 2545 | vi := m.MapIndex(k).Interface() |
| 2546 | kaddr := toAddrPointer(&ki, false) // pointer to key |
| 2547 | vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value |
| 2548 | siz := keySizer(kaddr, 1) + valSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1) |
| 2549 | n += siz + SizeVarint(uint64(siz)) + tagsize |
| 2550 | } |
| 2551 | return n |
| 2552 | }, |
| 2553 | func(b []byte, ptr pointer, tag uint64, deterministic bool) ([]byte, error) { |
| 2554 | m := ptr.asPointerTo(t).Elem() // the map |
| 2555 | var err error |
| 2556 | keys := m.MapKeys() |
| 2557 | if len(keys) > 1 && deterministic { |
| 2558 | sort.Sort(mapKeys(keys)) |
| 2559 | } |
| 2560 | |
| 2561 | var nerr nonFatal |
| 2562 | for _, k := range keys { |
| 2563 | ki := k.Interface() |
| 2564 | vi := m.MapIndex(k).Interface() |
| 2565 | kaddr := toAddrPointer(&ki, false) // pointer to key |
| 2566 | vaddr := toAddrPointer(&vi, valIsPtr) // pointer to value |
| 2567 | b = appendVarint(b, tag) |
| 2568 | siz := keySizer(kaddr, 1) + valCachedSizer(vaddr, 1) // tag of key = 1 (size=1), tag of val = 2 (size=1) |
| 2569 | b = appendVarint(b, uint64(siz)) |
| 2570 | b, err = keyMarshaler(b, kaddr, keyWireTag, deterministic) |
| 2571 | if !nerr.Merge(err) { |
| 2572 | return b, err |
| 2573 | } |
| 2574 | b, err = valMarshaler(b, vaddr, valWireTag, deterministic) |
| 2575 | if err != ErrNil && !nerr.Merge(err) { // allow nil value in map |
| 2576 | return b, err |
| 2577 | } |
| 2578 | } |
| 2579 | return b, nerr.E |
| 2580 | } |
| 2581 | } |
| 2582 | |
| 2583 | // makeOneOfMarshaler returns the sizer and marshaler for a oneof field. |
| 2584 | // fi is the marshal info of the field. |
| 2585 | // f is the pointer to the reflect data structure of the field. |
| 2586 | func makeOneOfMarshaler(fi *marshalFieldInfo, f *reflect.StructField) (sizer, marshaler) { |
| 2587 | // Oneof field is an interface. We need to get the actual data type on the fly. |
| 2588 | t := f.Type |
| 2589 | return func(ptr pointer, _ int) int { |
| 2590 | p := ptr.getInterfacePointer() |
| 2591 | if p.isNil() { |
| 2592 | return 0 |
| 2593 | } |
| 2594 | v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct |
| 2595 | telem := v.Type() |
| 2596 | e := fi.oneofElems[telem] |
| 2597 | return e.sizer(p, e.tagsize) |
| 2598 | }, |
| 2599 | func(b []byte, ptr pointer, _ uint64, deterministic bool) ([]byte, error) { |
| 2600 | p := ptr.getInterfacePointer() |
| 2601 | if p.isNil() { |
| 2602 | return b, nil |
| 2603 | } |
| 2604 | v := ptr.asPointerTo(t).Elem().Elem().Elem() // *interface -> interface -> *struct -> struct |
| 2605 | telem := v.Type() |
| 2606 | if telem.Field(0).Type.Kind() == reflect.Ptr && p.getPointer().isNil() { |
| 2607 | return b, errOneofHasNil |
| 2608 | } |
| 2609 | e := fi.oneofElems[telem] |
| 2610 | return e.marshaler(b, p, e.wiretag, deterministic) |
| 2611 | } |
| 2612 | } |
| 2613 | |
| 2614 | // sizeExtensions computes the size of encoded data for a XXX_InternalExtensions field. |
| 2615 | func (u *marshalInfo) sizeExtensions(ext *XXX_InternalExtensions) int { |
| 2616 | m, mu := ext.extensionsRead() |
| 2617 | if m == nil { |
| 2618 | return 0 |
| 2619 | } |
| 2620 | mu.Lock() |
| 2621 | |
| 2622 | n := 0 |
| 2623 | for _, e := range m { |
| 2624 | if e.value == nil || e.desc == nil { |
| 2625 | // Extension is only in its encoded form. |
| 2626 | n += len(e.enc) |
| 2627 | continue |
| 2628 | } |
| 2629 | |
| 2630 | // We don't skip extensions that have an encoded form set, |
| 2631 | // because the extension value may have been mutated after |
| 2632 | // the last time this function was called. |
| 2633 | ei := u.getExtElemInfo(e.desc) |
| 2634 | v := e.value |
| 2635 | p := toAddrPointer(&v, ei.isptr) |
| 2636 | n += ei.sizer(p, ei.tagsize) |
| 2637 | } |
| 2638 | mu.Unlock() |
| 2639 | return n |
| 2640 | } |
| 2641 | |
| 2642 | // appendExtensions marshals a XXX_InternalExtensions field to the end of byte slice b. |
| 2643 | func (u *marshalInfo) appendExtensions(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) { |
| 2644 | m, mu := ext.extensionsRead() |
| 2645 | if m == nil { |
| 2646 | return b, nil |
| 2647 | } |
| 2648 | mu.Lock() |
| 2649 | defer mu.Unlock() |
| 2650 | |
| 2651 | var err error |
| 2652 | var nerr nonFatal |
| 2653 | |
| 2654 | // Fast-path for common cases: zero or one extensions. |
| 2655 | // Don't bother sorting the keys. |
| 2656 | if len(m) <= 1 { |
| 2657 | for _, e := range m { |
| 2658 | if e.value == nil || e.desc == nil { |
| 2659 | // Extension is only in its encoded form. |
| 2660 | b = append(b, e.enc...) |
| 2661 | continue |
| 2662 | } |
| 2663 | |
| 2664 | // We don't skip extensions that have an encoded form set, |
| 2665 | // because the extension value may have been mutated after |
| 2666 | // the last time this function was called. |
| 2667 | |
| 2668 | ei := u.getExtElemInfo(e.desc) |
| 2669 | v := e.value |
| 2670 | p := toAddrPointer(&v, ei.isptr) |
| 2671 | b, err = ei.marshaler(b, p, ei.wiretag, deterministic) |
| 2672 | if !nerr.Merge(err) { |
| 2673 | return b, err |
| 2674 | } |
| 2675 | } |
| 2676 | return b, nerr.E |
| 2677 | } |
| 2678 | |
| 2679 | // Sort the keys to provide a deterministic encoding. |
| 2680 | // Not sure this is required, but the old code does it. |
| 2681 | keys := make([]int, 0, len(m)) |
| 2682 | for k := range m { |
| 2683 | keys = append(keys, int(k)) |
| 2684 | } |
| 2685 | sort.Ints(keys) |
| 2686 | |
| 2687 | for _, k := range keys { |
| 2688 | e := m[int32(k)] |
| 2689 | if e.value == nil || e.desc == nil { |
| 2690 | // Extension is only in its encoded form. |
| 2691 | b = append(b, e.enc...) |
| 2692 | continue |
| 2693 | } |
| 2694 | |
| 2695 | // We don't skip extensions that have an encoded form set, |
| 2696 | // because the extension value may have been mutated after |
| 2697 | // the last time this function was called. |
| 2698 | |
| 2699 | ei := u.getExtElemInfo(e.desc) |
| 2700 | v := e.value |
| 2701 | p := toAddrPointer(&v, ei.isptr) |
| 2702 | b, err = ei.marshaler(b, p, ei.wiretag, deterministic) |
| 2703 | if !nerr.Merge(err) { |
| 2704 | return b, err |
| 2705 | } |
| 2706 | } |
| 2707 | return b, nerr.E |
| 2708 | } |
| 2709 | |
| 2710 | // message set format is: |
| 2711 | // message MessageSet { |
| 2712 | // repeated group Item = 1 { |
| 2713 | // required int32 type_id = 2; |
| 2714 | // required string message = 3; |
| 2715 | // }; |
| 2716 | // } |
| 2717 | |
| 2718 | // sizeMessageSet computes the size of encoded data for a XXX_InternalExtensions field |
| 2719 | // in message set format (above). |
| 2720 | func (u *marshalInfo) sizeMessageSet(ext *XXX_InternalExtensions) int { |
| 2721 | m, mu := ext.extensionsRead() |
| 2722 | if m == nil { |
| 2723 | return 0 |
| 2724 | } |
| 2725 | mu.Lock() |
| 2726 | |
| 2727 | n := 0 |
| 2728 | for id, e := range m { |
| 2729 | n += 2 // start group, end group. tag = 1 (size=1) |
| 2730 | n += SizeVarint(uint64(id)) + 1 // type_id, tag = 2 (size=1) |
| 2731 | |
| 2732 | if e.value == nil || e.desc == nil { |
| 2733 | // Extension is only in its encoded form. |
| 2734 | msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint |
| 2735 | siz := len(msgWithLen) |
| 2736 | n += siz + 1 // message, tag = 3 (size=1) |
| 2737 | continue |
| 2738 | } |
| 2739 | |
| 2740 | // We don't skip extensions that have an encoded form set, |
| 2741 | // because the extension value may have been mutated after |
| 2742 | // the last time this function was called. |
| 2743 | |
| 2744 | ei := u.getExtElemInfo(e.desc) |
| 2745 | v := e.value |
| 2746 | p := toAddrPointer(&v, ei.isptr) |
| 2747 | n += ei.sizer(p, 1) // message, tag = 3 (size=1) |
| 2748 | } |
| 2749 | mu.Unlock() |
| 2750 | return n |
| 2751 | } |
| 2752 | |
| 2753 | // appendMessageSet marshals a XXX_InternalExtensions field in message set format (above) |
| 2754 | // to the end of byte slice b. |
| 2755 | func (u *marshalInfo) appendMessageSet(b []byte, ext *XXX_InternalExtensions, deterministic bool) ([]byte, error) { |
| 2756 | m, mu := ext.extensionsRead() |
| 2757 | if m == nil { |
| 2758 | return b, nil |
| 2759 | } |
| 2760 | mu.Lock() |
| 2761 | defer mu.Unlock() |
| 2762 | |
| 2763 | var err error |
| 2764 | var nerr nonFatal |
| 2765 | |
| 2766 | // Fast-path for common cases: zero or one extensions. |
| 2767 | // Don't bother sorting the keys. |
| 2768 | if len(m) <= 1 { |
| 2769 | for id, e := range m { |
| 2770 | b = append(b, 1<<3|WireStartGroup) |
| 2771 | b = append(b, 2<<3|WireVarint) |
| 2772 | b = appendVarint(b, uint64(id)) |
| 2773 | |
| 2774 | if e.value == nil || e.desc == nil { |
| 2775 | // Extension is only in its encoded form. |
| 2776 | msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint |
| 2777 | b = append(b, 3<<3|WireBytes) |
| 2778 | b = append(b, msgWithLen...) |
| 2779 | b = append(b, 1<<3|WireEndGroup) |
| 2780 | continue |
| 2781 | } |
| 2782 | |
| 2783 | // We don't skip extensions that have an encoded form set, |
| 2784 | // because the extension value may have been mutated after |
| 2785 | // the last time this function was called. |
| 2786 | |
| 2787 | ei := u.getExtElemInfo(e.desc) |
| 2788 | v := e.value |
| 2789 | p := toAddrPointer(&v, ei.isptr) |
| 2790 | b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic) |
| 2791 | if !nerr.Merge(err) { |
| 2792 | return b, err |
| 2793 | } |
| 2794 | b = append(b, 1<<3|WireEndGroup) |
| 2795 | } |
| 2796 | return b, nerr.E |
| 2797 | } |
| 2798 | |
| 2799 | // Sort the keys to provide a deterministic encoding. |
| 2800 | keys := make([]int, 0, len(m)) |
| 2801 | for k := range m { |
| 2802 | keys = append(keys, int(k)) |
| 2803 | } |
| 2804 | sort.Ints(keys) |
| 2805 | |
| 2806 | for _, id := range keys { |
| 2807 | e := m[int32(id)] |
| 2808 | b = append(b, 1<<3|WireStartGroup) |
| 2809 | b = append(b, 2<<3|WireVarint) |
| 2810 | b = appendVarint(b, uint64(id)) |
| 2811 | |
| 2812 | if e.value == nil || e.desc == nil { |
| 2813 | // Extension is only in its encoded form. |
| 2814 | msgWithLen := skipVarint(e.enc) // skip old tag, but leave the length varint |
| 2815 | b = append(b, 3<<3|WireBytes) |
| 2816 | b = append(b, msgWithLen...) |
| 2817 | b = append(b, 1<<3|WireEndGroup) |
| 2818 | continue |
| 2819 | } |
| 2820 | |
| 2821 | // We don't skip extensions that have an encoded form set, |
| 2822 | // because the extension value may have been mutated after |
| 2823 | // the last time this function was called. |
| 2824 | |
| 2825 | ei := u.getExtElemInfo(e.desc) |
| 2826 | v := e.value |
| 2827 | p := toAddrPointer(&v, ei.isptr) |
| 2828 | b, err = ei.marshaler(b, p, 3<<3|WireBytes, deterministic) |
| 2829 | b = append(b, 1<<3|WireEndGroup) |
| 2830 | if !nerr.Merge(err) { |
| 2831 | return b, err |
| 2832 | } |
| 2833 | } |
| 2834 | return b, nerr.E |
| 2835 | } |
| 2836 | |
| 2837 | // sizeV1Extensions computes the size of encoded data for a V1-API extension field. |
| 2838 | func (u *marshalInfo) sizeV1Extensions(m map[int32]Extension) int { |
| 2839 | if m == nil { |
| 2840 | return 0 |
| 2841 | } |
| 2842 | |
| 2843 | n := 0 |
| 2844 | for _, e := range m { |
| 2845 | if e.value == nil || e.desc == nil { |
| 2846 | // Extension is only in its encoded form. |
| 2847 | n += len(e.enc) |
| 2848 | continue |
| 2849 | } |
| 2850 | |
| 2851 | // We don't skip extensions that have an encoded form set, |
| 2852 | // because the extension value may have been mutated after |
| 2853 | // the last time this function was called. |
| 2854 | |
| 2855 | ei := u.getExtElemInfo(e.desc) |
| 2856 | v := e.value |
| 2857 | p := toAddrPointer(&v, ei.isptr) |
| 2858 | n += ei.sizer(p, ei.tagsize) |
| 2859 | } |
| 2860 | return n |
| 2861 | } |
| 2862 | |
| 2863 | // appendV1Extensions marshals a V1-API extension field to the end of byte slice b. |
| 2864 | func (u *marshalInfo) appendV1Extensions(b []byte, m map[int32]Extension, deterministic bool) ([]byte, error) { |
| 2865 | if m == nil { |
| 2866 | return b, nil |
| 2867 | } |
| 2868 | |
| 2869 | // Sort the keys to provide a deterministic encoding. |
| 2870 | keys := make([]int, 0, len(m)) |
| 2871 | for k := range m { |
| 2872 | keys = append(keys, int(k)) |
| 2873 | } |
| 2874 | sort.Ints(keys) |
| 2875 | |
| 2876 | var err error |
| 2877 | var nerr nonFatal |
| 2878 | for _, k := range keys { |
| 2879 | e := m[int32(k)] |
| 2880 | if e.value == nil || e.desc == nil { |
| 2881 | // Extension is only in its encoded form. |
| 2882 | b = append(b, e.enc...) |
| 2883 | continue |
| 2884 | } |
| 2885 | |
| 2886 | // We don't skip extensions that have an encoded form set, |
| 2887 | // because the extension value may have been mutated after |
| 2888 | // the last time this function was called. |
| 2889 | |
| 2890 | ei := u.getExtElemInfo(e.desc) |
| 2891 | v := e.value |
| 2892 | p := toAddrPointer(&v, ei.isptr) |
| 2893 | b, err = ei.marshaler(b, p, ei.wiretag, deterministic) |
| 2894 | if !nerr.Merge(err) { |
| 2895 | return b, err |
| 2896 | } |
| 2897 | } |
| 2898 | return b, nerr.E |
| 2899 | } |
| 2900 | |
| 2901 | // newMarshaler is the interface representing objects that can marshal themselves. |
| 2902 | // |
| 2903 | // This exists to support protoc-gen-go generated messages. |
| 2904 | // The proto package will stop type-asserting to this interface in the future. |
| 2905 | // |
| 2906 | // DO NOT DEPEND ON THIS. |
| 2907 | type newMarshaler interface { |
| 2908 | XXX_Size() int |
| 2909 | XXX_Marshal(b []byte, deterministic bool) ([]byte, error) |
| 2910 | } |
| 2911 | |
| 2912 | // Size returns the encoded size of a protocol buffer message. |
| 2913 | // This is the main entry point. |
| 2914 | func Size(pb Message) int { |
| 2915 | if m, ok := pb.(newMarshaler); ok { |
| 2916 | return m.XXX_Size() |
| 2917 | } |
| 2918 | if m, ok := pb.(Marshaler); ok { |
| 2919 | // If the message can marshal itself, let it do it, for compatibility. |
| 2920 | // NOTE: This is not efficient. |
| 2921 | b, _ := m.Marshal() |
| 2922 | return len(b) |
| 2923 | } |
| 2924 | // in case somehow we didn't generate the wrapper |
| 2925 | if pb == nil { |
| 2926 | return 0 |
| 2927 | } |
| 2928 | var info InternalMessageInfo |
| 2929 | return info.Size(pb) |
| 2930 | } |
| 2931 | |
| 2932 | // Marshal takes a protocol buffer message |
| 2933 | // and encodes it into the wire format, returning the data. |
| 2934 | // This is the main entry point. |
| 2935 | func Marshal(pb Message) ([]byte, error) { |
| 2936 | if m, ok := pb.(newMarshaler); ok { |
| 2937 | siz := m.XXX_Size() |
| 2938 | b := make([]byte, 0, siz) |
| 2939 | return m.XXX_Marshal(b, false) |
| 2940 | } |
| 2941 | if m, ok := pb.(Marshaler); ok { |
| 2942 | // If the message can marshal itself, let it do it, for compatibility. |
| 2943 | // NOTE: This is not efficient. |
| 2944 | return m.Marshal() |
| 2945 | } |
| 2946 | // in case somehow we didn't generate the wrapper |
| 2947 | if pb == nil { |
| 2948 | return nil, ErrNil |
| 2949 | } |
| 2950 | var info InternalMessageInfo |
| 2951 | siz := info.Size(pb) |
| 2952 | b := make([]byte, 0, siz) |
| 2953 | return info.Marshal(b, pb, false) |
| 2954 | } |
| 2955 | |
| 2956 | // Marshal takes a protocol buffer message |
| 2957 | // and encodes it into the wire format, writing the result to the |
| 2958 | // Buffer. |
| 2959 | // This is an alternative entry point. It is not necessary to use |
| 2960 | // a Buffer for most applications. |
| 2961 | func (p *Buffer) Marshal(pb Message) error { |
| 2962 | var err error |
| 2963 | if p.deterministic { |
| 2964 | if _, ok := pb.(Marshaler); ok { |
| 2965 | return fmt.Errorf("proto: deterministic not supported by the Marshal method of %T", pb) |
| 2966 | } |
| 2967 | } |
| 2968 | if m, ok := pb.(newMarshaler); ok { |
| 2969 | siz := m.XXX_Size() |
| 2970 | p.grow(siz) // make sure buf has enough capacity |
| 2971 | p.buf, err = m.XXX_Marshal(p.buf, p.deterministic) |
| 2972 | return err |
| 2973 | } |
| 2974 | if m, ok := pb.(Marshaler); ok { |
| 2975 | // If the message can marshal itself, let it do it, for compatibility. |
| 2976 | // NOTE: This is not efficient. |
| 2977 | var b []byte |
| 2978 | b, err = m.Marshal() |
| 2979 | p.buf = append(p.buf, b...) |
| 2980 | return err |
| 2981 | } |
| 2982 | // in case somehow we didn't generate the wrapper |
| 2983 | if pb == nil { |
| 2984 | return ErrNil |
| 2985 | } |
| 2986 | var info InternalMessageInfo |
| 2987 | siz := info.Size(pb) |
| 2988 | p.grow(siz) // make sure buf has enough capacity |
| 2989 | p.buf, err = info.Marshal(p.buf, pb, p.deterministic) |
| 2990 | return err |
| 2991 | } |
| 2992 | |
| 2993 | // grow grows the buffer's capacity, if necessary, to guarantee space for |
| 2994 | // another n bytes. After grow(n), at least n bytes can be written to the |
| 2995 | // buffer without another allocation. |
| 2996 | func (p *Buffer) grow(n int) { |
| 2997 | need := len(p.buf) + n |
| 2998 | if need <= cap(p.buf) { |
| 2999 | return |
| 3000 | } |
| 3001 | newCap := len(p.buf) * 2 |
| 3002 | if newCap < need { |
| 3003 | newCap = need |
| 3004 | } |
| 3005 | p.buf = append(make([]byte, 0, newCap), p.buf...) |
| 3006 | } |