| // Copyright 2019 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| package impl |
| |
| import ( |
| "reflect" |
| |
| "google.golang.org/protobuf/internal/encoding/wire" |
| "google.golang.org/protobuf/proto" |
| pref "google.golang.org/protobuf/reflect/protoreflect" |
| ) |
| |
| type errInvalidUTF8 struct{} |
| |
| func (errInvalidUTF8) Error() string { return "string field contains invalid UTF-8" } |
| func (errInvalidUTF8) InvalidUTF8() bool { return true } |
| |
| func makeOneofFieldCoder(si structInfo, fd pref.FieldDescriptor) pointerCoderFuncs { |
| ot := si.oneofWrappersByNumber[fd.Number()] |
| funcs := fieldCoder(fd, ot.Field(0).Type) |
| fs := si.oneofsByName[fd.ContainingOneof().Name()] |
| ft := fs.Type |
| wiretag := wire.EncodeTag(fd.Number(), wireTypes[fd.Kind()]) |
| tagsize := wire.SizeVarint(wiretag) |
| getInfo := func(p pointer) (pointer, bool) { |
| v := p.AsValueOf(ft).Elem() |
| if v.IsNil() { |
| return pointer{}, false |
| } |
| v = v.Elem() // interface -> *struct |
| if v.Elem().Type() != ot { |
| return pointer{}, false |
| } |
| return pointerOfValue(v).Apply(zeroOffset), true |
| } |
| pcf := pointerCoderFuncs{ |
| size: func(p pointer, _ int, opts marshalOptions) int { |
| v, ok := getInfo(p) |
| if !ok { |
| return 0 |
| } |
| return funcs.size(v, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| v, ok := getInfo(p) |
| if !ok { |
| return b, nil |
| } |
| return funcs.marshal(b, v, wiretag, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| var vw reflect.Value // pointer to wrapper type |
| vi := p.AsValueOf(ft).Elem() // oneof field value of interface kind |
| if !vi.IsNil() && !vi.Elem().IsNil() && vi.Elem().Elem().Type() == ot { |
| vw = vi.Elem() |
| } else { |
| vw = reflect.New(ot) |
| } |
| n, err := funcs.unmarshal(b, pointerOfValue(vw).Apply(zeroOffset), wtyp, opts) |
| if err != nil { |
| return 0, err |
| } |
| vi.Set(vw) |
| return n, nil |
| }, |
| } |
| if funcs.isInit != nil { |
| pcf.isInit = func(p pointer) error { |
| v, ok := getInfo(p) |
| if !ok { |
| return nil |
| } |
| return funcs.isInit(v) |
| } |
| } |
| return pcf |
| } |
| |
| func makeMessageFieldCoder(fd pref.FieldDescriptor, ft reflect.Type) pointerCoderFuncs { |
| if mi := getMessageInfo(ft); mi != nil { |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| return sizeMessageInfo(p, mi, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendMessageInfo(b, p, wiretag, mi, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| return consumeMessageInfo(b, p, mi, wtyp, opts) |
| }, |
| isInit: func(p pointer) error { |
| return mi.isInitializedPointer(p.Elem()) |
| }, |
| } |
| } else { |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| m := asMessage(p.AsValueOf(ft).Elem()) |
| return sizeMessage(m, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| m := asMessage(p.AsValueOf(ft).Elem()) |
| return appendMessage(b, m, wiretag, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| mp := p.AsValueOf(ft).Elem() |
| if mp.IsNil() { |
| mp.Set(reflect.New(ft.Elem())) |
| } |
| return consumeMessage(b, asMessage(mp), wtyp, opts) |
| }, |
| isInit: func(p pointer) error { |
| m := asMessage(p.AsValueOf(ft).Elem()) |
| return proto.IsInitialized(m) |
| }, |
| } |
| } |
| } |
| |
| func sizeMessageInfo(p pointer, mi *MessageInfo, tagsize int, opts marshalOptions) int { |
| return wire.SizeBytes(mi.sizePointer(p.Elem(), opts)) + tagsize |
| } |
| |
| func appendMessageInfo(b []byte, p pointer, wiretag uint64, mi *MessageInfo, opts marshalOptions) ([]byte, error) { |
| b = wire.AppendVarint(b, wiretag) |
| b = wire.AppendVarint(b, uint64(mi.sizePointer(p.Elem(), opts))) |
| return mi.marshalAppendPointer(b, p.Elem(), opts) |
| } |
| |
| func consumeMessageInfo(b []byte, p pointer, mi *MessageInfo, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.BytesType { |
| return 0, errUnknown |
| } |
| v, n := wire.ConsumeBytes(b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| if p.Elem().IsNil() { |
| p.SetPointer(pointerOfValue(reflect.New(mi.GoType.Elem()))) |
| } |
| if _, err := mi.unmarshalPointer(v, p.Elem(), 0, opts); err != nil { |
| return 0, err |
| } |
| return n, nil |
| } |
| |
| func sizeMessage(m proto.Message, tagsize int, _ marshalOptions) int { |
| return wire.SizeBytes(proto.Size(m)) + tagsize |
| } |
| |
| func appendMessage(b []byte, m proto.Message, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| b = wire.AppendVarint(b, wiretag) |
| b = wire.AppendVarint(b, uint64(proto.Size(m))) |
| return opts.Options().MarshalAppend(b, m) |
| } |
| |
| func consumeMessage(b []byte, m proto.Message, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.BytesType { |
| return 0, errUnknown |
| } |
| v, n := wire.ConsumeBytes(b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| if err := opts.Options().Unmarshal(v, m); err != nil { |
| return 0, err |
| } |
| return n, nil |
| } |
| |
| func sizeMessageIface(ival interface{}, tagsize int, opts marshalOptions) int { |
| m := Export{}.MessageOf(ival).Interface() |
| return sizeMessage(m, tagsize, opts) |
| } |
| |
| func appendMessageIface(b []byte, ival interface{}, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| m := Export{}.MessageOf(ival).Interface() |
| return appendMessage(b, m, wiretag, opts) |
| } |
| |
| func consumeMessageIface(b []byte, ival interface{}, _ wire.Number, wtyp wire.Type, opts unmarshalOptions) (interface{}, int, error) { |
| m := Export{}.MessageOf(ival).Interface() |
| n, err := consumeMessage(b, m, wtyp, opts) |
| return ival, n, err |
| } |
| |
| func isInitMessageIface(ival interface{}) error { |
| m := Export{}.MessageOf(ival).Interface() |
| return proto.IsInitialized(m) |
| } |
| |
| var coderMessageIface = ifaceCoderFuncs{ |
| size: sizeMessageIface, |
| marshal: appendMessageIface, |
| unmarshal: consumeMessageIface, |
| isInit: isInitMessageIface, |
| } |
| |
| func makeGroupFieldCoder(fd pref.FieldDescriptor, ft reflect.Type) pointerCoderFuncs { |
| num := fd.Number() |
| if mi := getMessageInfo(ft); mi != nil { |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| return sizeGroupType(p, mi, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendGroupType(b, p, wiretag, mi, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| return consumeGroupType(b, p, mi, num, wtyp, opts) |
| }, |
| isInit: func(p pointer) error { |
| return mi.isInitializedPointer(p.Elem()) |
| }, |
| } |
| } else { |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| m := asMessage(p.AsValueOf(ft).Elem()) |
| return sizeGroup(m, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| m := asMessage(p.AsValueOf(ft).Elem()) |
| return appendGroup(b, m, wiretag, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| mp := p.AsValueOf(ft).Elem() |
| if mp.IsNil() { |
| mp.Set(reflect.New(ft.Elem())) |
| } |
| return consumeGroup(b, asMessage(mp), num, wtyp, opts) |
| }, |
| isInit: func(p pointer) error { |
| m := asMessage(p.AsValueOf(ft).Elem()) |
| return proto.IsInitialized(m) |
| }, |
| } |
| } |
| } |
| |
| func sizeGroupType(p pointer, mi *MessageInfo, tagsize int, opts marshalOptions) int { |
| return 2*tagsize + mi.sizePointer(p.Elem(), opts) |
| } |
| |
| func appendGroupType(b []byte, p pointer, wiretag uint64, mi *MessageInfo, opts marshalOptions) ([]byte, error) { |
| b = wire.AppendVarint(b, wiretag) // start group |
| b, err := mi.marshalAppendPointer(b, p.Elem(), opts) |
| b = wire.AppendVarint(b, wiretag+1) // end group |
| return b, err |
| } |
| |
| func consumeGroupType(b []byte, p pointer, mi *MessageInfo, num wire.Number, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.StartGroupType { |
| return 0, errUnknown |
| } |
| if p.Elem().IsNil() { |
| p.SetPointer(pointerOfValue(reflect.New(mi.GoType.Elem()))) |
| } |
| return mi.unmarshalPointer(b, p.Elem(), num, opts) |
| } |
| |
| func sizeGroup(m proto.Message, tagsize int, _ marshalOptions) int { |
| return 2*tagsize + proto.Size(m) |
| } |
| |
| func appendGroup(b []byte, m proto.Message, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| b = wire.AppendVarint(b, wiretag) // start group |
| b, err := opts.Options().MarshalAppend(b, m) |
| b = wire.AppendVarint(b, wiretag+1) // end group |
| return b, err |
| } |
| |
| func consumeGroup(b []byte, m proto.Message, num wire.Number, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.StartGroupType { |
| return 0, errUnknown |
| } |
| b, n := wire.ConsumeGroup(num, b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| return n, opts.Options().Unmarshal(b, m) |
| } |
| |
| func makeGroupValueCoder(fd pref.FieldDescriptor, ft reflect.Type) ifaceCoderFuncs { |
| return ifaceCoderFuncs{ |
| size: func(ival interface{}, tagsize int, opts marshalOptions) int { |
| m := Export{}.MessageOf(ival).Interface() |
| return sizeGroup(m, tagsize, opts) |
| }, |
| marshal: func(b []byte, ival interface{}, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| m := Export{}.MessageOf(ival).Interface() |
| return appendGroup(b, m, wiretag, opts) |
| }, |
| unmarshal: func(b []byte, ival interface{}, num wire.Number, wtyp wire.Type, opts unmarshalOptions) (interface{}, int, error) { |
| m := Export{}.MessageOf(ival).Interface() |
| n, err := consumeGroup(b, m, num, wtyp, opts) |
| return ival, n, err |
| }, |
| isInit: isInitMessageIface, |
| } |
| } |
| |
| func makeMessageSliceFieldCoder(fd pref.FieldDescriptor, ft reflect.Type) pointerCoderFuncs { |
| if mi := getMessageInfo(ft); mi != nil { |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| return sizeMessageSliceInfo(p, mi, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendMessageSliceInfo(b, p, wiretag, mi, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| return consumeMessageSliceInfo(b, p, mi, wtyp, opts) |
| }, |
| isInit: func(p pointer) error { |
| return isInitMessageSliceInfo(p, mi) |
| }, |
| } |
| } |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| return sizeMessageSlice(p, ft, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendMessageSlice(b, p, wiretag, ft, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| return consumeMessageSlice(b, p, ft, wtyp, opts) |
| }, |
| isInit: func(p pointer) error { |
| return isInitMessageSlice(p, ft) |
| }, |
| } |
| } |
| |
| func sizeMessageSliceInfo(p pointer, mi *MessageInfo, tagsize int, opts marshalOptions) int { |
| s := p.PointerSlice() |
| n := 0 |
| for _, v := range s { |
| n += wire.SizeBytes(mi.sizePointer(v, opts)) + tagsize |
| } |
| return n |
| } |
| |
| func appendMessageSliceInfo(b []byte, p pointer, wiretag uint64, mi *MessageInfo, opts marshalOptions) ([]byte, error) { |
| s := p.PointerSlice() |
| var err error |
| for _, v := range s { |
| b = wire.AppendVarint(b, wiretag) |
| siz := mi.sizePointer(v, opts) |
| b = wire.AppendVarint(b, uint64(siz)) |
| b, err = mi.marshalAppendPointer(b, v, opts) |
| if err != nil { |
| return b, err |
| } |
| } |
| return b, nil |
| } |
| |
| func consumeMessageSliceInfo(b []byte, p pointer, mi *MessageInfo, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.BytesType { |
| return 0, errUnknown |
| } |
| v, n := wire.ConsumeBytes(b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| m := reflect.New(mi.GoType.Elem()).Interface() |
| mp := pointerOfIface(m) |
| if _, err := mi.unmarshalPointer(v, mp, 0, opts); err != nil { |
| return 0, err |
| } |
| p.AppendPointerSlice(mp) |
| return n, nil |
| } |
| |
| func isInitMessageSliceInfo(p pointer, mi *MessageInfo) error { |
| s := p.PointerSlice() |
| for _, v := range s { |
| if err := mi.isInitializedPointer(v); err != nil { |
| return err |
| } |
| } |
| return nil |
| } |
| |
| func sizeMessageSlice(p pointer, goType reflect.Type, tagsize int, _ marshalOptions) int { |
| s := p.PointerSlice() |
| n := 0 |
| for _, v := range s { |
| m := asMessage(v.AsValueOf(goType.Elem())) |
| n += wire.SizeBytes(proto.Size(m)) + tagsize |
| } |
| return n |
| } |
| |
| func appendMessageSlice(b []byte, p pointer, wiretag uint64, goType reflect.Type, opts marshalOptions) ([]byte, error) { |
| s := p.PointerSlice() |
| var err error |
| for _, v := range s { |
| m := asMessage(v.AsValueOf(goType.Elem())) |
| b = wire.AppendVarint(b, wiretag) |
| siz := proto.Size(m) |
| b = wire.AppendVarint(b, uint64(siz)) |
| b, err = opts.Options().MarshalAppend(b, m) |
| if err != nil { |
| return b, err |
| } |
| } |
| return b, nil |
| } |
| |
| func consumeMessageSlice(b []byte, p pointer, goType reflect.Type, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.BytesType { |
| return 0, errUnknown |
| } |
| v, n := wire.ConsumeBytes(b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| mp := reflect.New(goType.Elem()) |
| if err := opts.Options().Unmarshal(v, asMessage(mp)); err != nil { |
| return 0, err |
| } |
| p.AppendPointerSlice(pointerOfValue(mp)) |
| return n, nil |
| } |
| |
| func isInitMessageSlice(p pointer, goType reflect.Type) error { |
| s := p.PointerSlice() |
| for _, v := range s { |
| m := asMessage(v.AsValueOf(goType.Elem())) |
| if err := proto.IsInitialized(m); err != nil { |
| return err |
| } |
| } |
| return nil |
| } |
| |
| // Slices of messages |
| |
| func sizeMessageSliceIface(ival interface{}, tagsize int, opts marshalOptions) int { |
| p := pointerOfIface(ival) |
| return sizeMessageSlice(p, reflect.TypeOf(ival).Elem().Elem(), tagsize, opts) |
| } |
| |
| func appendMessageSliceIface(b []byte, ival interface{}, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| p := pointerOfIface(ival) |
| return appendMessageSlice(b, p, wiretag, reflect.TypeOf(ival).Elem().Elem(), opts) |
| } |
| |
| func consumeMessageSliceIface(b []byte, ival interface{}, _ wire.Number, wtyp wire.Type, opts unmarshalOptions) (interface{}, int, error) { |
| p := pointerOfIface(ival) |
| n, err := consumeMessageSlice(b, p, reflect.TypeOf(ival).Elem().Elem(), wtyp, opts) |
| return ival, n, err |
| } |
| |
| func isInitMessageSliceIface(ival interface{}) error { |
| p := pointerOfIface(ival) |
| return isInitMessageSlice(p, reflect.TypeOf(ival).Elem().Elem()) |
| } |
| |
| var coderMessageSliceIface = ifaceCoderFuncs{ |
| size: sizeMessageSliceIface, |
| marshal: appendMessageSliceIface, |
| unmarshal: consumeMessageSliceIface, |
| isInit: isInitMessageSliceIface, |
| } |
| |
| func makeGroupSliceFieldCoder(fd pref.FieldDescriptor, ft reflect.Type) pointerCoderFuncs { |
| num := fd.Number() |
| if mi := getMessageInfo(ft); mi != nil { |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| return sizeGroupSliceInfo(p, mi, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendGroupSliceInfo(b, p, wiretag, mi, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| return consumeGroupSliceInfo(b, p, num, wtyp, mi, opts) |
| }, |
| isInit: func(p pointer) error { |
| return isInitMessageSliceInfo(p, mi) |
| }, |
| } |
| } |
| return pointerCoderFuncs{ |
| size: func(p pointer, tagsize int, opts marshalOptions) int { |
| return sizeGroupSlice(p, ft, tagsize, opts) |
| }, |
| marshal: func(b []byte, p pointer, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendGroupSlice(b, p, wiretag, ft, opts) |
| }, |
| unmarshal: func(b []byte, p pointer, wtyp wire.Type, opts unmarshalOptions) (int, error) { |
| return consumeGroupSlice(b, p, num, wtyp, ft, opts) |
| }, |
| isInit: func(p pointer) error { |
| return isInitMessageSlice(p, ft) |
| }, |
| } |
| } |
| |
| func sizeGroupSlice(p pointer, messageType reflect.Type, tagsize int, _ marshalOptions) int { |
| s := p.PointerSlice() |
| n := 0 |
| for _, v := range s { |
| m := asMessage(v.AsValueOf(messageType.Elem())) |
| n += 2*tagsize + proto.Size(m) |
| } |
| return n |
| } |
| |
| func appendGroupSlice(b []byte, p pointer, wiretag uint64, messageType reflect.Type, opts marshalOptions) ([]byte, error) { |
| s := p.PointerSlice() |
| var err error |
| for _, v := range s { |
| m := asMessage(v.AsValueOf(messageType.Elem())) |
| b = wire.AppendVarint(b, wiretag) // start group |
| b, err = opts.Options().MarshalAppend(b, m) |
| if err != nil { |
| return b, err |
| } |
| b = wire.AppendVarint(b, wiretag+1) // end group |
| } |
| return b, nil |
| } |
| |
| func consumeGroupSlice(b []byte, p pointer, num wire.Number, wtyp wire.Type, goType reflect.Type, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.StartGroupType { |
| return 0, errUnknown |
| } |
| b, n := wire.ConsumeGroup(num, b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| mp := reflect.New(goType.Elem()) |
| if err := opts.Options().Unmarshal(b, asMessage(mp)); err != nil { |
| return 0, err |
| } |
| p.AppendPointerSlice(pointerOfValue(mp)) |
| return n, nil |
| } |
| |
| func sizeGroupSliceInfo(p pointer, mi *MessageInfo, tagsize int, opts marshalOptions) int { |
| s := p.PointerSlice() |
| n := 0 |
| for _, v := range s { |
| n += 2*tagsize + mi.sizePointer(v, opts) |
| } |
| return n |
| } |
| |
| func appendGroupSliceInfo(b []byte, p pointer, wiretag uint64, mi *MessageInfo, opts marshalOptions) ([]byte, error) { |
| s := p.PointerSlice() |
| var err error |
| for _, v := range s { |
| b = wire.AppendVarint(b, wiretag) // start group |
| b, err = mi.marshalAppendPointer(b, v, opts) |
| if err != nil { |
| return b, err |
| } |
| b = wire.AppendVarint(b, wiretag+1) // end group |
| } |
| return b, nil |
| } |
| |
| func consumeGroupSliceInfo(b []byte, p pointer, num wire.Number, wtyp wire.Type, mi *MessageInfo, opts unmarshalOptions) (int, error) { |
| if wtyp != wire.StartGroupType { |
| return 0, errUnknown |
| } |
| m := reflect.New(mi.GoType.Elem()).Interface() |
| mp := pointerOfIface(m) |
| n, err := mi.unmarshalPointer(b, mp, num, opts) |
| if err != nil { |
| return 0, err |
| } |
| p.AppendPointerSlice(mp) |
| return n, nil |
| } |
| |
| func sizeGroupSliceIface(ival interface{}, tagsize int, opts marshalOptions) int { |
| p := pointerOfIface(ival) |
| return sizeGroupSlice(p, reflect.TypeOf(ival).Elem().Elem(), tagsize, opts) |
| } |
| |
| func appendGroupSliceIface(b []byte, ival interface{}, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| p := pointerOfIface(ival) |
| return appendGroupSlice(b, p, wiretag, reflect.TypeOf(ival).Elem().Elem(), opts) |
| } |
| |
| func consumeGroupSliceIface(b []byte, ival interface{}, num wire.Number, wtyp wire.Type, opts unmarshalOptions) (interface{}, int, error) { |
| p := pointerOfIface(ival) |
| n, err := consumeGroupSlice(b, p, num, wtyp, reflect.TypeOf(ival).Elem().Elem(), opts) |
| return ival, n, err |
| } |
| |
| var coderGroupSliceIface = ifaceCoderFuncs{ |
| size: sizeGroupSliceIface, |
| marshal: appendGroupSliceIface, |
| unmarshal: consumeGroupSliceIface, |
| isInit: isInitMessageSliceIface, |
| } |
| |
| // Enums |
| |
| func sizeEnumIface(ival interface{}, tagsize int, _ marshalOptions) (n int) { |
| v := reflect.ValueOf(ival).Int() |
| return wire.SizeVarint(uint64(v)) + tagsize |
| } |
| |
| func appendEnumIface(b []byte, ival interface{}, wiretag uint64, _ marshalOptions) ([]byte, error) { |
| v := reflect.ValueOf(ival).Int() |
| b = wire.AppendVarint(b, wiretag) |
| b = wire.AppendVarint(b, uint64(v)) |
| return b, nil |
| } |
| |
| func consumeEnumIface(b []byte, ival interface{}, _ wire.Number, wtyp wire.Type, _ unmarshalOptions) (interface{}, int, error) { |
| if wtyp != wire.VarintType { |
| return nil, 0, errUnknown |
| } |
| v, n := wire.ConsumeVarint(b) |
| if n < 0 { |
| return nil, 0, wire.ParseError(n) |
| } |
| rv := reflect.New(reflect.TypeOf(ival)).Elem() |
| rv.SetInt(int64(v)) |
| return rv.Interface(), n, nil |
| } |
| |
| var coderEnumIface = ifaceCoderFuncs{ |
| size: sizeEnumIface, |
| marshal: appendEnumIface, |
| unmarshal: consumeEnumIface, |
| } |
| |
| func sizeEnumSliceIface(ival interface{}, tagsize int, opts marshalOptions) (size int) { |
| return sizeEnumSliceReflect(reflect.ValueOf(ival).Elem(), tagsize, opts) |
| } |
| |
| func sizeEnumSliceReflect(s reflect.Value, tagsize int, _ marshalOptions) (size int) { |
| for i, llen := 0, s.Len(); i < llen; i++ { |
| size += wire.SizeVarint(uint64(s.Index(i).Int())) + tagsize |
| } |
| return size |
| } |
| |
| func appendEnumSliceIface(b []byte, ival interface{}, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendEnumSliceReflect(b, reflect.ValueOf(ival).Elem(), wiretag, opts) |
| } |
| |
| func appendEnumSliceReflect(b []byte, s reflect.Value, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| for i, llen := 0, s.Len(); i < llen; i++ { |
| b = wire.AppendVarint(b, wiretag) |
| b = wire.AppendVarint(b, uint64(s.Index(i).Int())) |
| } |
| return b, nil |
| } |
| |
| func consumeEnumSliceIface(b []byte, ival interface{}, _ wire.Number, wtyp wire.Type, opts unmarshalOptions) (interface{}, int, error) { |
| n, err := consumeEnumSliceReflect(b, reflect.ValueOf(ival), wtyp, opts) |
| return ival, n, err |
| } |
| |
| func consumeEnumSliceReflect(b []byte, s reflect.Value, wtyp wire.Type, _ unmarshalOptions) (n int, err error) { |
| s = s.Elem() // *[]E -> []E |
| if wtyp == wire.BytesType { |
| b, n = wire.ConsumeBytes(b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| for len(b) > 0 { |
| v, n := wire.ConsumeVarint(b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| rv := reflect.New(s.Type().Elem()).Elem() |
| rv.SetInt(int64(v)) |
| s.Set(reflect.Append(s, rv)) |
| b = b[n:] |
| } |
| return n, nil |
| } |
| if wtyp != wire.VarintType { |
| return 0, errUnknown |
| } |
| v, n := wire.ConsumeVarint(b) |
| if n < 0 { |
| return 0, wire.ParseError(n) |
| } |
| rv := reflect.New(s.Type().Elem()).Elem() |
| rv.SetInt(int64(v)) |
| s.Set(reflect.Append(s, rv)) |
| return n, nil |
| } |
| |
| var coderEnumSliceIface = ifaceCoderFuncs{ |
| size: sizeEnumSliceIface, |
| marshal: appendEnumSliceIface, |
| unmarshal: consumeEnumSliceIface, |
| } |
| |
| func sizeEnumPackedSliceIface(ival interface{}, tagsize int, opts marshalOptions) (size int) { |
| return sizeEnumPackedSliceReflect(reflect.ValueOf(ival).Elem(), tagsize, opts) |
| } |
| |
| func sizeEnumPackedSliceReflect(s reflect.Value, tagsize int, _ marshalOptions) (size int) { |
| llen := s.Len() |
| if llen == 0 { |
| return 0 |
| } |
| n := 0 |
| for i := 0; i < llen; i++ { |
| n += wire.SizeVarint(uint64(s.Index(i).Int())) |
| } |
| return tagsize + wire.SizeBytes(n) |
| } |
| |
| func appendEnumPackedSliceIface(b []byte, ival interface{}, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| return appendEnumPackedSliceReflect(b, reflect.ValueOf(ival).Elem(), wiretag, opts) |
| } |
| |
| func appendEnumPackedSliceReflect(b []byte, s reflect.Value, wiretag uint64, opts marshalOptions) ([]byte, error) { |
| llen := s.Len() |
| if llen == 0 { |
| return b, nil |
| } |
| b = wire.AppendVarint(b, wiretag) |
| n := 0 |
| for i := 0; i < llen; i++ { |
| n += wire.SizeVarint(uint64(s.Index(i).Int())) |
| } |
| b = wire.AppendVarint(b, uint64(n)) |
| for i := 0; i < llen; i++ { |
| b = wire.AppendVarint(b, uint64(s.Index(i).Int())) |
| } |
| return b, nil |
| } |
| |
| var coderEnumPackedSliceIface = ifaceCoderFuncs{ |
| size: sizeEnumPackedSliceIface, |
| marshal: appendEnumPackedSliceIface, |
| unmarshal: consumeEnumSliceIface, |
| } |
| |
| func asMessage(v reflect.Value) pref.ProtoMessage { |
| if m, ok := v.Interface().(pref.ProtoMessage); ok { |
| return m |
| } |
| return legacyWrapMessage(v) |
| } |