SEBA-902 single-olt tests;
Pin protoc-gen-go to 1.3.2 to resolve compatibility issue;
Run go mod tidy / go mod vendor on importer;
Add Go Module support to demotest
Change-Id: Ifde824fc9a6317b0adc1e12bea54ee1f9b788906
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/buffer.go b/demo_test/vendor/github.com/golang/protobuf/proto/buffer.go
new file mode 100644
index 0000000..62df7e3
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/buffer.go
@@ -0,0 +1,324 @@
+// 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 proto
+
+import (
+ "errors"
+ "fmt"
+
+ "google.golang.org/protobuf/encoding/prototext"
+ "google.golang.org/protobuf/encoding/protowire"
+ "google.golang.org/protobuf/runtime/protoimpl"
+)
+
+const (
+ WireVarint = 0
+ WireFixed32 = 5
+ WireFixed64 = 1
+ WireBytes = 2
+ WireStartGroup = 3
+ WireEndGroup = 4
+)
+
+// EncodeVarint returns the varint encoded bytes of v.
+func EncodeVarint(v uint64) []byte {
+ return protowire.AppendVarint(nil, v)
+}
+
+// SizeVarint returns the length of the varint encoded bytes of v.
+// This is equal to len(EncodeVarint(v)).
+func SizeVarint(v uint64) int {
+ return protowire.SizeVarint(v)
+}
+
+// DecodeVarint parses a varint encoded integer from b, returning the
+// integer value and the length of the varint.
+// It returns (0, 0) if there is a parse error.
+func DecodeVarint(b []byte) (uint64, int) {
+ v, n := protowire.ConsumeVarint(b)
+ if n < 0 {
+ return 0, 0
+ }
+ return v, n
+}
+
+// Buffer is a buffer for encoding and decoding the protobuf wire format.
+// It may be reused between invocations to reduce memory usage.
+type Buffer struct {
+ buf []byte
+ idx int
+ deterministic bool
+}
+
+// NewBuffer allocates a new Buffer initialized with buf,
+// where the contents of buf are considered the unread portion of the buffer.
+func NewBuffer(buf []byte) *Buffer {
+ return &Buffer{buf: buf}
+}
+
+// SetDeterministic specifies whether to use deterministic serialization.
+//
+// Deterministic serialization guarantees that for a given binary, equal
+// messages will always be serialized to the same bytes. This implies:
+//
+// - Repeated serialization of a message will return the same bytes.
+// - Different processes of the same binary (which may be executing on
+// different machines) will serialize equal messages to the same bytes.
+//
+// Note that the deterministic serialization is NOT canonical across
+// languages. It is not guaranteed to remain stable over time. It is unstable
+// across different builds with schema changes due to unknown fields.
+// Users who need canonical serialization (e.g., persistent storage in a
+// canonical form, fingerprinting, etc.) should define their own
+// canonicalization specification and implement their own serializer rather
+// than relying on this API.
+//
+// If deterministic serialization is requested, map entries will be sorted
+// by keys in lexographical order. This is an implementation detail and
+// subject to change.
+func (b *Buffer) SetDeterministic(deterministic bool) {
+ b.deterministic = deterministic
+}
+
+// SetBuf sets buf as the internal buffer,
+// where the contents of buf are considered the unread portion of the buffer.
+func (b *Buffer) SetBuf(buf []byte) {
+ b.buf = buf
+ b.idx = 0
+}
+
+// Reset clears the internal buffer of all written and unread data.
+func (b *Buffer) Reset() {
+ b.buf = b.buf[:0]
+ b.idx = 0
+}
+
+// Bytes returns the internal buffer.
+func (b *Buffer) Bytes() []byte {
+ return b.buf
+}
+
+// Unread returns the unread portion of the buffer.
+func (b *Buffer) Unread() []byte {
+ return b.buf[b.idx:]
+}
+
+// Marshal appends the wire-format encoding of m to the buffer.
+func (b *Buffer) Marshal(m Message) error {
+ var err error
+ b.buf, err = marshalAppend(b.buf, m, b.deterministic)
+ return err
+}
+
+// Unmarshal parses the wire-format message in the buffer and places the decoded results in m.
+//
+// Unlike proto.Unmarshal, this does not reset the message before starting to unmarshal.
+func (b *Buffer) Unmarshal(m Message) error {
+ err := UnmarshalMerge(b.Unread(), m)
+ b.idx = len(b.buf)
+ return err
+}
+
+type unknownFields struct{ XXX_unrecognized protoimpl.UnknownFields }
+
+func (m *unknownFields) String() string { panic("not implemented") }
+func (m *unknownFields) Reset() { panic("not implemented") }
+func (m *unknownFields) ProtoMessage() { panic("not implemented") }
+
+// DebugPrint dumps the encoded bytes of b with a header and footer including s
+// to stdout. This is only intended for debugging.
+func (*Buffer) DebugPrint(s string, b []byte) {
+ m := MessageReflect(new(unknownFields))
+ m.SetUnknown(b)
+ b, _ = prototext.MarshalOptions{AllowPartial: true, Indent: "\t"}.Marshal(m.Interface())
+ fmt.Printf("==== %s ====\n%s==== %s ====\n", s, b, s)
+}
+
+// EncodeVarint appends an unsigned varint encoding to the buffer.
+func (b *Buffer) EncodeVarint(v uint64) error {
+ b.buf = protowire.AppendVarint(b.buf, v)
+ return nil
+}
+
+// EncodeZigzag32 appends a 32-bit zig-zag varint encoding to the buffer.
+func (b *Buffer) EncodeZigzag32(v uint64) error {
+ return b.EncodeVarint(uint64((uint32(v) << 1) ^ uint32((int32(v) >> 31))))
+}
+
+// EncodeZigzag64 appends a 64-bit zig-zag varint encoding to the buffer.
+func (b *Buffer) EncodeZigzag64(v uint64) error {
+ return b.EncodeVarint(uint64((uint64(v) << 1) ^ uint64((int64(v) >> 63))))
+}
+
+// EncodeFixed32 appends a 32-bit little-endian integer to the buffer.
+func (b *Buffer) EncodeFixed32(v uint64) error {
+ b.buf = protowire.AppendFixed32(b.buf, uint32(v))
+ return nil
+}
+
+// EncodeFixed64 appends a 64-bit little-endian integer to the buffer.
+func (b *Buffer) EncodeFixed64(v uint64) error {
+ b.buf = protowire.AppendFixed64(b.buf, uint64(v))
+ return nil
+}
+
+// EncodeRawBytes appends a length-prefixed raw bytes to the buffer.
+func (b *Buffer) EncodeRawBytes(v []byte) error {
+ b.buf = protowire.AppendBytes(b.buf, v)
+ return nil
+}
+
+// EncodeStringBytes appends a length-prefixed raw bytes to the buffer.
+// It does not validate whether v contains valid UTF-8.
+func (b *Buffer) EncodeStringBytes(v string) error {
+ b.buf = protowire.AppendString(b.buf, v)
+ return nil
+}
+
+// EncodeMessage appends a length-prefixed encoded message to the buffer.
+func (b *Buffer) EncodeMessage(m Message) error {
+ var err error
+ b.buf = protowire.AppendVarint(b.buf, uint64(Size(m)))
+ b.buf, err = marshalAppend(b.buf, m, b.deterministic)
+ return err
+}
+
+// DecodeVarint consumes an encoded unsigned varint from the buffer.
+func (b *Buffer) DecodeVarint() (uint64, error) {
+ v, n := protowire.ConsumeVarint(b.buf[b.idx:])
+ if n < 0 {
+ return 0, protowire.ParseError(n)
+ }
+ b.idx += n
+ return uint64(v), nil
+}
+
+// DecodeZigzag32 consumes an encoded 32-bit zig-zag varint from the buffer.
+func (b *Buffer) DecodeZigzag32() (uint64, error) {
+ v, err := b.DecodeVarint()
+ if err != nil {
+ return 0, err
+ }
+ return uint64((uint32(v) >> 1) ^ uint32((int32(v&1)<<31)>>31)), nil
+}
+
+// DecodeZigzag64 consumes an encoded 64-bit zig-zag varint from the buffer.
+func (b *Buffer) DecodeZigzag64() (uint64, error) {
+ v, err := b.DecodeVarint()
+ if err != nil {
+ return 0, err
+ }
+ return uint64((uint64(v) >> 1) ^ uint64((int64(v&1)<<63)>>63)), nil
+}
+
+// DecodeFixed32 consumes a 32-bit little-endian integer from the buffer.
+func (b *Buffer) DecodeFixed32() (uint64, error) {
+ v, n := protowire.ConsumeFixed32(b.buf[b.idx:])
+ if n < 0 {
+ return 0, protowire.ParseError(n)
+ }
+ b.idx += n
+ return uint64(v), nil
+}
+
+// DecodeFixed64 consumes a 64-bit little-endian integer from the buffer.
+func (b *Buffer) DecodeFixed64() (uint64, error) {
+ v, n := protowire.ConsumeFixed64(b.buf[b.idx:])
+ if n < 0 {
+ return 0, protowire.ParseError(n)
+ }
+ b.idx += n
+ return uint64(v), nil
+}
+
+// DecodeRawBytes consumes a length-prefixed raw bytes from the buffer.
+// If alloc is specified, it returns a copy the raw bytes
+// rather than a sub-slice of the buffer.
+func (b *Buffer) DecodeRawBytes(alloc bool) ([]byte, error) {
+ v, n := protowire.ConsumeBytes(b.buf[b.idx:])
+ if n < 0 {
+ return nil, protowire.ParseError(n)
+ }
+ b.idx += n
+ if alloc {
+ v = append([]byte(nil), v...)
+ }
+ return v, nil
+}
+
+// DecodeStringBytes consumes a length-prefixed raw bytes from the buffer.
+// It does not validate whether the raw bytes contain valid UTF-8.
+func (b *Buffer) DecodeStringBytes() (string, error) {
+ v, n := protowire.ConsumeString(b.buf[b.idx:])
+ if n < 0 {
+ return "", protowire.ParseError(n)
+ }
+ b.idx += n
+ return v, nil
+}
+
+// DecodeMessage consumes a length-prefixed message from the buffer.
+// It does not reset m.
+func (b *Buffer) DecodeMessage(m Message) error {
+ v, err := b.DecodeRawBytes(false)
+ if err != nil {
+ return err
+ }
+ return UnmarshalMerge(v, m)
+}
+
+// DecodeGroup consumes a message group from the buffer.
+// It assumes that the start group marker has already been consumed and
+// consumes all bytes until (and including the end group marker).
+// It does not reset m.
+func (b *Buffer) DecodeGroup(m Message) error {
+ v, n, err := consumeGroup(b.buf[b.idx:])
+ if err != nil {
+ return err
+ }
+ b.idx += n
+ return UnmarshalMerge(v, m)
+}
+
+// consumeGroup parses b until it finds an end group marker, returning
+// the raw bytes of the message (excluding the end group marker) and the
+// the total length of the message (including the end group marker).
+func consumeGroup(b []byte) ([]byte, int, error) {
+ b0 := b
+ depth := 1 // assume this follows a start group marker
+ for {
+ _, wtyp, tagLen := protowire.ConsumeTag(b)
+ if tagLen < 0 {
+ return nil, 0, protowire.ParseError(tagLen)
+ }
+ b = b[tagLen:]
+
+ var valLen int
+ switch wtyp {
+ case protowire.VarintType:
+ _, valLen = protowire.ConsumeVarint(b)
+ case protowire.Fixed32Type:
+ _, valLen = protowire.ConsumeFixed32(b)
+ case protowire.Fixed64Type:
+ _, valLen = protowire.ConsumeFixed64(b)
+ case protowire.BytesType:
+ _, valLen = protowire.ConsumeBytes(b)
+ case protowire.StartGroupType:
+ depth++
+ case protowire.EndGroupType:
+ depth--
+ default:
+ return nil, 0, errors.New("proto: cannot parse reserved wire type")
+ }
+ if valLen < 0 {
+ return nil, 0, protowire.ParseError(valLen)
+ }
+ b = b[valLen:]
+
+ if depth == 0 {
+ return b0[:len(b0)-len(b)-tagLen], len(b0) - len(b), nil
+ }
+ }
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/defaults.go b/demo_test/vendor/github.com/golang/protobuf/proto/defaults.go
new file mode 100644
index 0000000..d399bf0
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/defaults.go
@@ -0,0 +1,63 @@
+// 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 proto
+
+import (
+ "google.golang.org/protobuf/reflect/protoreflect"
+)
+
+// SetDefaults sets unpopulated scalar fields to their default values.
+// Fields within a oneof are not set even if they have a default value.
+// SetDefaults is recursively called upon any populated message fields.
+func SetDefaults(m Message) {
+ if m != nil {
+ setDefaults(MessageReflect(m))
+ }
+}
+
+func setDefaults(m protoreflect.Message) {
+ fds := m.Descriptor().Fields()
+ for i := 0; i < fds.Len(); i++ {
+ fd := fds.Get(i)
+ if !m.Has(fd) {
+ if fd.HasDefault() && fd.ContainingOneof() == nil {
+ v := fd.Default()
+ if fd.Kind() == protoreflect.BytesKind {
+ v = protoreflect.ValueOf(append([]byte(nil), v.Bytes()...)) // copy the default bytes
+ }
+ m.Set(fd, v)
+ }
+ continue
+ }
+ }
+
+ m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
+ switch {
+ // Handle singular message.
+ case fd.Cardinality() != protoreflect.Repeated:
+ if fd.Message() != nil {
+ setDefaults(m.Get(fd).Message())
+ }
+ // Handle list of messages.
+ case fd.IsList():
+ if fd.Message() != nil {
+ ls := m.Get(fd).List()
+ for i := 0; i < ls.Len(); i++ {
+ setDefaults(ls.Get(i).Message())
+ }
+ }
+ // Handle map of messages.
+ case fd.IsMap():
+ if fd.MapValue().Message() != nil {
+ ms := m.Get(fd).Map()
+ ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
+ setDefaults(v.Message())
+ return true
+ })
+ }
+ }
+ return true
+ })
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/deprecated.go b/demo_test/vendor/github.com/golang/protobuf/proto/deprecated.go
new file mode 100644
index 0000000..a205482
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/deprecated.go
@@ -0,0 +1,92 @@
+// Copyright 2018 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 proto
+
+import (
+ "encoding/json"
+ "errors"
+ "fmt"
+ "strconv"
+)
+
+var (
+ // Deprecated: No longer returned.
+ ErrNil = errors.New("proto: Marshal called with nil")
+
+ // Deprecated: No longer returned.
+ ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
+
+ // Deprecated: No longer returned.
+ ErrInternalBadWireType = errors.New("proto: internal error: bad wiretype for oneof")
+)
+
+// Deprecated: Do not use.
+type Stats struct{ Emalloc, Dmalloc, Encode, Decode, Chit, Cmiss, Size uint64 }
+
+// Deprecated: Do not use.
+func GetStats() Stats { return Stats{} }
+
+// Deprecated: Do not use.
+func MarshalMessageSet(interface{}) ([]byte, error) {
+ return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: Do not use.
+func UnmarshalMessageSet([]byte, interface{}) error {
+ return errors.New("proto: not implemented")
+}
+
+// Deprecated: Do not use.
+func MarshalMessageSetJSON(interface{}) ([]byte, error) {
+ return nil, errors.New("proto: not implemented")
+}
+
+// Deprecated: Do not use.
+func UnmarshalMessageSetJSON([]byte, interface{}) error {
+ return errors.New("proto: not implemented")
+}
+
+// Deprecated: Do not use.
+func RegisterMessageSetType(Message, int32, string) {}
+
+// Deprecated: Do not use.
+func EnumName(m map[int32]string, v int32) string {
+ s, ok := m[v]
+ if ok {
+ return s
+ }
+ return strconv.Itoa(int(v))
+}
+
+// Deprecated: Do not use.
+func UnmarshalJSONEnum(m map[string]int32, data []byte, enumName string) (int32, error) {
+ if data[0] == '"' {
+ // New style: enums are strings.
+ var repr string
+ if err := json.Unmarshal(data, &repr); err != nil {
+ return -1, err
+ }
+ val, ok := m[repr]
+ if !ok {
+ return 0, fmt.Errorf("unrecognized enum %s value %q", enumName, repr)
+ }
+ return val, nil
+ }
+ // Old style: enums are ints.
+ var val int32
+ if err := json.Unmarshal(data, &val); err != nil {
+ return 0, fmt.Errorf("cannot unmarshal %#q into enum %s", data, enumName)
+ }
+ return val, nil
+}
+
+// Deprecated: Do not use.
+type InternalMessageInfo struct{}
+
+func (*InternalMessageInfo) DiscardUnknown(Message) { panic("not implemented") }
+func (*InternalMessageInfo) Marshal([]byte, Message, bool) ([]byte, error) { panic("not implemented") }
+func (*InternalMessageInfo) Merge(Message, Message) { panic("not implemented") }
+func (*InternalMessageInfo) Size(Message) int { panic("not implemented") }
+func (*InternalMessageInfo) Unmarshal(Message, []byte) error { panic("not implemented") }
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/discard.go b/demo_test/vendor/github.com/golang/protobuf/proto/discard.go
new file mode 100644
index 0000000..2187e87
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/discard.go
@@ -0,0 +1,58 @@
+// 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 proto
+
+import (
+ "google.golang.org/protobuf/reflect/protoreflect"
+)
+
+// DiscardUnknown recursively discards all unknown fields from this message
+// and all embedded messages.
+//
+// When unmarshaling a message with unrecognized fields, the tags and values
+// of such fields are preserved in the Message. This allows a later call to
+// marshal to be able to produce a message that continues to have those
+// unrecognized fields. To avoid this, DiscardUnknown is used to
+// explicitly clear the unknown fields after unmarshaling.
+func DiscardUnknown(m Message) {
+ if m != nil {
+ discardUnknown(MessageReflect(m))
+ }
+}
+
+func discardUnknown(m protoreflect.Message) {
+ m.Range(func(fd protoreflect.FieldDescriptor, val protoreflect.Value) bool {
+ switch {
+ // Handle singular message.
+ case fd.Cardinality() != protoreflect.Repeated:
+ if fd.Message() != nil {
+ discardUnknown(m.Get(fd).Message())
+ }
+ // Handle list of messages.
+ case fd.IsList():
+ if fd.Message() != nil {
+ ls := m.Get(fd).List()
+ for i := 0; i < ls.Len(); i++ {
+ discardUnknown(ls.Get(i).Message())
+ }
+ }
+ // Handle map of messages.
+ case fd.IsMap():
+ if fd.MapValue().Message() != nil {
+ ms := m.Get(fd).Map()
+ ms.Range(func(_ protoreflect.MapKey, v protoreflect.Value) bool {
+ discardUnknown(v.Message())
+ return true
+ })
+ }
+ }
+ return true
+ })
+
+ // Discard unknown fields.
+ if len(m.GetUnknown()) > 0 {
+ m.SetUnknown(nil)
+ }
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/extensions.go b/demo_test/vendor/github.com/golang/protobuf/proto/extensions.go
new file mode 100644
index 0000000..5ed131c
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/extensions.go
@@ -0,0 +1,356 @@
+// Copyright 2010 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 proto
+
+import (
+ "errors"
+ "fmt"
+ "reflect"
+
+ "google.golang.org/protobuf/encoding/protowire"
+ "google.golang.org/protobuf/proto"
+ "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/reflect/protoregistry"
+ "google.golang.org/protobuf/runtime/protoiface"
+ "google.golang.org/protobuf/runtime/protoimpl"
+)
+
+type (
+ // ExtensionDesc represents an extension descriptor and
+ // is used to interact with an extension field in a message.
+ //
+ // Variables of this type are generated in code by protoc-gen-go.
+ ExtensionDesc = protoimpl.ExtensionInfo
+
+ // ExtensionRange represents a range of message extensions.
+ // Used in code generated by protoc-gen-go.
+ ExtensionRange = protoiface.ExtensionRangeV1
+
+ // Deprecated: Do not use; this is an internal type.
+ Extension = protoimpl.ExtensionFieldV1
+
+ // Deprecated: Do not use; this is an internal type.
+ XXX_InternalExtensions = protoimpl.ExtensionFields
+)
+
+// ErrMissingExtension reports whether the extension was not present.
+var ErrMissingExtension = errors.New("proto: missing extension")
+
+var errNotExtendable = errors.New("proto: not an extendable proto.Message")
+
+// HasExtension reports whether the extension field is present in m
+// either as an explicitly populated field or as an unknown field.
+func HasExtension(m Message, xt *ExtensionDesc) (has bool) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() {
+ return false
+ }
+
+ // Check whether any populated known field matches the field number.
+ xtd := xt.TypeDescriptor()
+ if isValidExtension(mr.Descriptor(), xtd) {
+ has = mr.Has(xtd)
+ } else {
+ mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
+ has = int32(fd.Number()) == xt.Field
+ return !has
+ })
+ }
+
+ // Check whether any unknown field matches the field number.
+ for b := mr.GetUnknown(); !has && len(b) > 0; {
+ num, _, n := protowire.ConsumeField(b)
+ has = int32(num) == xt.Field
+ b = b[n:]
+ }
+ return has
+}
+
+// ClearExtension removes the the exntesion field from m
+// either as an explicitly populated field or as an unknown field.
+func ClearExtension(m Message, xt *ExtensionDesc) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() {
+ return
+ }
+
+ xtd := xt.TypeDescriptor()
+ if isValidExtension(mr.Descriptor(), xtd) {
+ mr.Clear(xtd)
+ } else {
+ mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
+ if int32(fd.Number()) == xt.Field {
+ mr.Clear(fd)
+ return false
+ }
+ return true
+ })
+ }
+ clearUnknown(mr, fieldNum(xt.Field))
+}
+
+// ClearAllExtensions clears all extensions from m.
+// This includes populated fields and unknown fields in the extension range.
+func ClearAllExtensions(m Message) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() {
+ return
+ }
+
+ mr.Range(func(fd protoreflect.FieldDescriptor, _ protoreflect.Value) bool {
+ if fd.IsExtension() {
+ mr.Clear(fd)
+ }
+ return true
+ })
+ clearUnknown(mr, mr.Descriptor().ExtensionRanges())
+}
+
+// GetExtension retrieves a proto2 extended field from pb.
+//
+// If the descriptor is type complete (i.e., ExtensionDesc.ExtensionType is non-nil),
+// then GetExtension parses the encoded field and returns a Go value of the specified type.
+// If the field is not present, then the default value is returned (if one is specified),
+// otherwise ErrMissingExtension is reported.
+//
+// If the descriptor is type incomplete (i.e., ExtensionDesc.ExtensionType is nil),
+// then GetExtension returns the raw encoded bytes for the extension field.
+func GetExtension(m Message, xt *ExtensionDesc) (interface{}, error) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
+ return nil, errNotExtendable
+ }
+
+ // Retrieve the unknown fields for this extension field.
+ var bo protoreflect.RawFields
+ for bi := mr.GetUnknown(); len(bi) > 0; {
+ num, _, n := protowire.ConsumeField(bi)
+ if int32(num) == xt.Field {
+ bo = append(bo, bi[:n]...)
+ }
+ bi = bi[n:]
+ }
+
+ // For type incomplete descriptors, only retrieve the unknown fields.
+ if xt.ExtensionType == nil {
+ return []byte(bo), nil
+ }
+
+ // If the extension field only exists as unknown fields, unmarshal it.
+ // This is rarely done since proto.Unmarshal eagerly unmarshals extensions.
+ xtd := xt.TypeDescriptor()
+ if !isValidExtension(mr.Descriptor(), xtd) {
+ return nil, fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
+ }
+ if !mr.Has(xtd) && len(bo) > 0 {
+ m2 := mr.New()
+ if err := (proto.UnmarshalOptions{
+ Resolver: extensionResolver{xt},
+ }.Unmarshal(bo, m2.Interface())); err != nil {
+ return nil, err
+ }
+ if m2.Has(xtd) {
+ mr.Set(xtd, m2.Get(xtd))
+ clearUnknown(mr, fieldNum(xt.Field))
+ }
+ }
+
+ // Check whether the message has the extension field set or a default.
+ var pv protoreflect.Value
+ switch {
+ case mr.Has(xtd):
+ pv = mr.Get(xtd)
+ case xtd.HasDefault():
+ pv = xtd.Default()
+ default:
+ return nil, ErrMissingExtension
+ }
+
+ v := xt.InterfaceOf(pv)
+ rv := reflect.ValueOf(v)
+ if isScalarKind(rv.Kind()) {
+ rv2 := reflect.New(rv.Type())
+ rv2.Elem().Set(rv)
+ v = rv2.Interface()
+ }
+ return v, nil
+}
+
+// extensionResolver is a custom extension resolver that stores a single
+// extension type that takes precedence over the global registry.
+type extensionResolver struct{ xt protoreflect.ExtensionType }
+
+func (r extensionResolver) FindExtensionByName(field protoreflect.FullName) (protoreflect.ExtensionType, error) {
+ if xtd := r.xt.TypeDescriptor(); xtd.FullName() == field {
+ return r.xt, nil
+ }
+ return protoregistry.GlobalTypes.FindExtensionByName(field)
+}
+
+func (r extensionResolver) FindExtensionByNumber(message protoreflect.FullName, field protoreflect.FieldNumber) (protoreflect.ExtensionType, error) {
+ if xtd := r.xt.TypeDescriptor(); xtd.ContainingMessage().FullName() == message && xtd.Number() == field {
+ return r.xt, nil
+ }
+ return protoregistry.GlobalTypes.FindExtensionByNumber(message, field)
+}
+
+// GetExtensions returns a list of the extensions values present in m,
+// corresponding with the provided list of extension descriptors, xts.
+// If an extension is missing in m, the corresponding value is nil.
+func GetExtensions(m Message, xts []*ExtensionDesc) ([]interface{}, error) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() {
+ return nil, errNotExtendable
+ }
+
+ vs := make([]interface{}, len(xts))
+ for i, xt := range xts {
+ v, err := GetExtension(m, xt)
+ if err != nil {
+ if err == ErrMissingExtension {
+ continue
+ }
+ return vs, err
+ }
+ vs[i] = v
+ }
+ return vs, nil
+}
+
+// SetExtension sets an extension field in m to the provided value.
+func SetExtension(m Message, xt *ExtensionDesc, v interface{}) error {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
+ return errNotExtendable
+ }
+
+ rv := reflect.ValueOf(v)
+ if reflect.TypeOf(v) != reflect.TypeOf(xt.ExtensionType) {
+ return fmt.Errorf("proto: bad extension value type. got: %T, want: %T", v, xt.ExtensionType)
+ }
+ if rv.Kind() == reflect.Ptr {
+ if rv.IsNil() {
+ return fmt.Errorf("proto: SetExtension called with nil value of type %T", v)
+ }
+ if isScalarKind(rv.Elem().Kind()) {
+ v = rv.Elem().Interface()
+ }
+ }
+
+ xtd := xt.TypeDescriptor()
+ if !isValidExtension(mr.Descriptor(), xtd) {
+ return fmt.Errorf("proto: bad extended type; %T does not extend %T", xt.ExtendedType, m)
+ }
+ mr.Set(xtd, xt.ValueOf(v))
+ clearUnknown(mr, fieldNum(xt.Field))
+ return nil
+}
+
+// SetRawExtension inserts b into the unknown fields of m.
+//
+// Deprecated: Use Message.ProtoReflect.SetUnknown instead.
+func SetRawExtension(m Message, fnum int32, b []byte) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() {
+ return
+ }
+
+ // Verify that the raw field is valid.
+ for b0 := b; len(b0) > 0; {
+ num, _, n := protowire.ConsumeField(b0)
+ if int32(num) != fnum {
+ panic(fmt.Sprintf("mismatching field number: got %d, want %d", num, fnum))
+ }
+ b0 = b0[n:]
+ }
+
+ ClearExtension(m, &ExtensionDesc{Field: fnum})
+ mr.SetUnknown(append(mr.GetUnknown(), b...))
+}
+
+// ExtensionDescs returns a list of extension descriptors found in m,
+// containing descriptors for both populated extension fields in m and
+// also unknown fields of m that are in the extension range.
+// For the later case, an type incomplete descriptor is provided where only
+// the ExtensionDesc.Field field is populated.
+// The order of the extension descriptors is undefined.
+func ExtensionDescs(m Message) ([]*ExtensionDesc, error) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() || mr.Descriptor().ExtensionRanges().Len() == 0 {
+ return nil, errNotExtendable
+ }
+
+ // Collect a set of known extension descriptors.
+ extDescs := make(map[protoreflect.FieldNumber]*ExtensionDesc)
+ mr.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
+ if fd.IsExtension() {
+ xt := fd.(protoreflect.ExtensionTypeDescriptor)
+ if xd, ok := xt.Type().(*ExtensionDesc); ok {
+ extDescs[fd.Number()] = xd
+ }
+ }
+ return true
+ })
+
+ // Collect a set of unknown extension descriptors.
+ extRanges := mr.Descriptor().ExtensionRanges()
+ for b := mr.GetUnknown(); len(b) > 0; {
+ num, _, n := protowire.ConsumeField(b)
+ if extRanges.Has(num) && extDescs[num] == nil {
+ extDescs[num] = nil
+ }
+ b = b[n:]
+ }
+
+ // Transpose the set of descriptors into a list.
+ var xts []*ExtensionDesc
+ for num, xt := range extDescs {
+ if xt == nil {
+ xt = &ExtensionDesc{Field: int32(num)}
+ }
+ xts = append(xts, xt)
+ }
+ return xts, nil
+}
+
+// isValidExtension reports whether xtd is a valid extension descriptor for md.
+func isValidExtension(md protoreflect.MessageDescriptor, xtd protoreflect.ExtensionTypeDescriptor) bool {
+ return xtd.ContainingMessage() == md && md.ExtensionRanges().Has(xtd.Number())
+}
+
+// isScalarKind reports whether k is a protobuf scalar kind (except bytes).
+// This function exists for historical reasons since the representation of
+// scalars differs between v1 and v2, where v1 uses *T and v2 uses T.
+func isScalarKind(k reflect.Kind) bool {
+ switch k {
+ case reflect.Bool, reflect.Int32, reflect.Int64, reflect.Uint32, reflect.Uint64, reflect.Float32, reflect.Float64, reflect.String:
+ return true
+ default:
+ return false
+ }
+}
+
+// clearUnknown removes unknown fields from m where remover.Has reports true.
+func clearUnknown(m protoreflect.Message, remover interface {
+ Has(protoreflect.FieldNumber) bool
+}) {
+ var bo protoreflect.RawFields
+ for bi := m.GetUnknown(); len(bi) > 0; {
+ num, _, n := protowire.ConsumeField(bi)
+ if !remover.Has(num) {
+ bo = append(bo, bi[:n]...)
+ }
+ bi = bi[n:]
+ }
+ if bi := m.GetUnknown(); len(bi) != len(bo) {
+ m.SetUnknown(bo)
+ }
+}
+
+type fieldNum protoreflect.FieldNumber
+
+func (n1 fieldNum) Has(n2 protoreflect.FieldNumber) bool {
+ return protoreflect.FieldNumber(n1) == n2
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/properties.go b/demo_test/vendor/github.com/golang/protobuf/proto/properties.go
new file mode 100644
index 0000000..dcdc220
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/properties.go
@@ -0,0 +1,306 @@
+// Copyright 2010 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 proto
+
+import (
+ "fmt"
+ "reflect"
+ "strconv"
+ "strings"
+ "sync"
+
+ "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/runtime/protoimpl"
+)
+
+// StructProperties represents protocol buffer type information for a
+// generated protobuf message in the open-struct API.
+//
+// Deprecated: Do not use.
+type StructProperties struct {
+ // Prop are the properties for each field.
+ //
+ // Fields belonging to a oneof are stored in OneofTypes instead, with a
+ // single Properties representing the parent oneof held here.
+ //
+ // The order of Prop matches the order of fields in the Go struct.
+ // Struct fields that are not related to protobufs have a "XXX_" prefix
+ // in the Properties.Name and must be ignored by the user.
+ Prop []*Properties
+
+ // OneofTypes contains information about the oneof fields in this message.
+ // It is keyed by the protobuf field name.
+ OneofTypes map[string]*OneofProperties
+}
+
+// Properties represents the type information for a protobuf message field.
+//
+// Deprecated: Do not use.
+type Properties struct {
+ // Name is a placeholder name with little meaningful semantic value.
+ // If the name has an "XXX_" prefix, the entire Properties must be ignored.
+ Name string
+ // OrigName is the protobuf field name or oneof name.
+ OrigName string
+ // JSONName is the JSON name for the protobuf field.
+ JSONName string
+ // Enum is a placeholder name for enums.
+ // For historical reasons, this is neither the Go name for the enum,
+ // nor the protobuf name for the enum.
+ Enum string // Deprecated: Do not use.
+ // Weak contains the full name of the weakly referenced message.
+ Weak string
+ // Wire is a string representation of the wire type.
+ Wire string
+ // WireType is the protobuf wire type for the field.
+ WireType int
+ // Tag is the protobuf field number.
+ Tag int
+ // Required reports whether this is a required field.
+ Required bool
+ // Optional reports whether this is a optional field.
+ Optional bool
+ // Repeated reports whether this is a repeated field.
+ Repeated bool
+ // Packed reports whether this is a packed repeated field of scalars.
+ Packed bool
+ // Proto3 reports whether this field operates under the proto3 syntax.
+ Proto3 bool
+ // Oneof reports whether this field belongs within a oneof.
+ Oneof bool
+
+ // Default is the default value in string form.
+ Default string
+ // HasDefault reports whether the field has a default value.
+ HasDefault bool
+
+ // MapKeyProp is the properties for the key field for a map field.
+ MapKeyProp *Properties
+ // MapValProp is the properties for the value field for a map field.
+ MapValProp *Properties
+}
+
+// OneofProperties represents the type information for a protobuf oneof.
+//
+// Deprecated: Do not use.
+type OneofProperties struct {
+ // Type is a pointer to the generated wrapper type for the field value.
+ // This is nil for messages that are not in the open-struct API.
+ Type reflect.Type
+ // Field is the index into StructProperties.Prop for the containing oneof.
+ Field int
+ // Prop is the properties for the field.
+ Prop *Properties
+}
+
+// String formats the properties in the protobuf struct field tag style.
+func (p *Properties) String() string {
+ s := p.Wire
+ s += "," + strconv.Itoa(p.Tag)
+ if p.Required {
+ s += ",req"
+ }
+ if p.Optional {
+ s += ",opt"
+ }
+ if p.Repeated {
+ s += ",rep"
+ }
+ if p.Packed {
+ s += ",packed"
+ }
+ s += ",name=" + p.OrigName
+ if p.JSONName != "" {
+ s += ",json=" + p.JSONName
+ }
+ if len(p.Enum) > 0 {
+ s += ",enum=" + p.Enum
+ }
+ if len(p.Weak) > 0 {
+ s += ",weak=" + p.Weak
+ }
+ if p.Proto3 {
+ s += ",proto3"
+ }
+ if p.Oneof {
+ s += ",oneof"
+ }
+ if p.HasDefault {
+ s += ",def=" + p.Default
+ }
+ return s
+}
+
+// Parse populates p by parsing a string in the protobuf struct field tag style.
+func (p *Properties) Parse(tag string) {
+ // For example: "bytes,49,opt,name=foo,def=hello!"
+ for len(tag) > 0 {
+ i := strings.IndexByte(tag, ',')
+ if i < 0 {
+ i = len(tag)
+ }
+ switch s := tag[:i]; {
+ case strings.HasPrefix(s, "name="):
+ p.OrigName = s[len("name="):]
+ case strings.HasPrefix(s, "json="):
+ p.JSONName = s[len("json="):]
+ case strings.HasPrefix(s, "enum="):
+ p.Enum = s[len("enum="):]
+ case strings.HasPrefix(s, "weak="):
+ p.Weak = s[len("weak="):]
+ case strings.Trim(s, "0123456789") == "":
+ n, _ := strconv.ParseUint(s, 10, 32)
+ p.Tag = int(n)
+ case s == "opt":
+ p.Optional = true
+ case s == "req":
+ p.Required = true
+ case s == "rep":
+ p.Repeated = true
+ case s == "varint" || s == "zigzag32" || s == "zigzag64":
+ p.Wire = s
+ p.WireType = WireVarint
+ case s == "fixed32":
+ p.Wire = s
+ p.WireType = WireFixed32
+ case s == "fixed64":
+ p.Wire = s
+ p.WireType = WireFixed64
+ case s == "bytes":
+ p.Wire = s
+ p.WireType = WireBytes
+ case s == "group":
+ p.Wire = s
+ p.WireType = WireStartGroup
+ case s == "packed":
+ p.Packed = true
+ case s == "proto3":
+ p.Proto3 = true
+ case s == "oneof":
+ p.Oneof = true
+ case strings.HasPrefix(s, "def="):
+ // The default tag is special in that everything afterwards is the
+ // default regardless of the presence of commas.
+ p.HasDefault = true
+ p.Default, i = tag[len("def="):], len(tag)
+ }
+ tag = strings.TrimPrefix(tag[i:], ",")
+ }
+}
+
+// Init populates the properties from a protocol buffer struct tag.
+//
+// Deprecated: Do not use.
+func (p *Properties) Init(typ reflect.Type, name, tag string, f *reflect.StructField) {
+ p.Name = name
+ p.OrigName = name
+ if tag == "" {
+ return
+ }
+ p.Parse(tag)
+
+ if typ != nil && typ.Kind() == reflect.Map {
+ p.MapKeyProp = new(Properties)
+ p.MapKeyProp.Init(nil, "Key", f.Tag.Get("protobuf_key"), nil)
+ p.MapValProp = new(Properties)
+ p.MapValProp.Init(nil, "Value", f.Tag.Get("protobuf_val"), nil)
+ }
+}
+
+var propertiesCache sync.Map // map[reflect.Type]*StructProperties
+
+// GetProperties returns the list of properties for the type represented by t,
+// which must be a generated protocol buffer message in the open-struct API,
+// where protobuf message fields are represented by exported Go struct fields.
+//
+// Deprecated: Use protobuf reflection instead.
+func GetProperties(t reflect.Type) *StructProperties {
+ if p, ok := propertiesCache.Load(t); ok {
+ return p.(*StructProperties)
+ }
+ p, _ := propertiesCache.LoadOrStore(t, newProperties(t))
+ return p.(*StructProperties)
+}
+
+func newProperties(t reflect.Type) *StructProperties {
+ if t.Kind() != reflect.Struct {
+ panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
+ }
+
+ var hasOneof bool
+ prop := new(StructProperties)
+
+ // Construct a list of properties for each field in the struct.
+ for i := 0; i < t.NumField(); i++ {
+ p := new(Properties)
+ f := t.Field(i)
+ tagField := f.Tag.Get("protobuf")
+ p.Init(f.Type, f.Name, tagField, &f)
+
+ tagOneof := f.Tag.Get("protobuf_oneof")
+ if tagOneof != "" {
+ hasOneof = true
+ p.OrigName = tagOneof
+ }
+
+ // Rename unrelated struct fields with the "XXX_" prefix since so much
+ // user code simply checks for this to exclude special fields.
+ if tagField == "" && tagOneof == "" && !strings.HasPrefix(p.Name, "XXX_") {
+ p.Name = "XXX_" + p.Name
+ p.OrigName = "XXX_" + p.OrigName
+ } else if p.Weak != "" {
+ p.Name = p.OrigName // avoid possible "XXX_" prefix on weak field
+ }
+
+ prop.Prop = append(prop.Prop, p)
+ }
+
+ // Construct a mapping of oneof field names to properties.
+ if hasOneof {
+ var oneofWrappers []interface{}
+ if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofFuncs"); ok {
+ oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[3].Interface().([]interface{})
+ }
+ if fn, ok := reflect.PtrTo(t).MethodByName("XXX_OneofWrappers"); ok {
+ oneofWrappers = fn.Func.Call([]reflect.Value{reflect.Zero(fn.Type.In(0))})[0].Interface().([]interface{})
+ }
+ if m, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(protoreflect.ProtoMessage); ok {
+ if m, ok := m.ProtoReflect().(interface{ ProtoMessageInfo() *protoimpl.MessageInfo }); ok {
+ oneofWrappers = m.ProtoMessageInfo().OneofWrappers
+ }
+ }
+
+ prop.OneofTypes = make(map[string]*OneofProperties)
+ for _, wrapper := range oneofWrappers {
+ p := &OneofProperties{
+ Type: reflect.ValueOf(wrapper).Type(), // *T
+ Prop: new(Properties),
+ }
+ f := p.Type.Elem().Field(0)
+ p.Prop.Name = f.Name
+ p.Prop.Parse(f.Tag.Get("protobuf"))
+
+ // Determine the struct field that contains this oneof.
+ // Each wrapper is assignable to exactly one parent field.
+ var foundOneof bool
+ for i := 0; i < t.NumField() && !foundOneof; i++ {
+ if p.Type.AssignableTo(t.Field(i).Type) {
+ p.Field = i
+ foundOneof = true
+ }
+ }
+ if !foundOneof {
+ panic(fmt.Sprintf("%v is not a generated message in the open-struct API", t))
+ }
+ prop.OneofTypes[p.Prop.OrigName] = p
+ }
+ }
+
+ return prop
+}
+
+func (sp *StructProperties) Len() int { return len(sp.Prop) }
+func (sp *StructProperties) Less(i, j int) bool { return false }
+func (sp *StructProperties) Swap(i, j int) { return }
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/proto.go b/demo_test/vendor/github.com/golang/protobuf/proto/proto.go
new file mode 100644
index 0000000..5aee89c
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/proto.go
@@ -0,0 +1,167 @@
+// 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 proto provides functionality for handling protocol buffer messages.
+// In particular, it provides marshaling and unmarshaling between a protobuf
+// message and the binary wire format.
+//
+// See https://developers.google.com/protocol-buffers/docs/gotutorial for
+// more information.
+//
+// Deprecated: Use the "google.golang.org/protobuf/proto" package instead.
+package proto
+
+import (
+ protoV2 "google.golang.org/protobuf/proto"
+ "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/runtime/protoiface"
+ "google.golang.org/protobuf/runtime/protoimpl"
+)
+
+const (
+ ProtoPackageIsVersion1 = true
+ ProtoPackageIsVersion2 = true
+ ProtoPackageIsVersion3 = true
+ ProtoPackageIsVersion4 = true
+)
+
+// GeneratedEnum is any enum type generated by protoc-gen-go
+// which is a named int32 kind.
+// This type exists for documentation purposes.
+type GeneratedEnum interface{}
+
+// GeneratedMessage is any message type generated by protoc-gen-go
+// which is a pointer to a named struct kind.
+// This type exists for documentation purposes.
+type GeneratedMessage interface{}
+
+// Message is a protocol buffer message.
+//
+// This is the v1 version of the message interface and is marginally better
+// than an empty interface as it lacks any method to programatically interact
+// with the contents of the message.
+//
+// A v2 message is declared in "google.golang.org/protobuf/proto".Message and
+// exposes protobuf reflection as a first-class feature of the interface.
+//
+// To convert a v1 message to a v2 message, use the MessageV2 function.
+// To convert a v2 message to a v1 message, use the MessageV1 function.
+type Message = protoiface.MessageV1
+
+// MessageV1 converts either a v1 or v2 message to a v1 message.
+// It returns nil if m is nil.
+func MessageV1(m GeneratedMessage) protoiface.MessageV1 {
+ return protoimpl.X.ProtoMessageV1Of(m)
+}
+
+// MessageV2 converts either a v1 or v2 message to a v2 message.
+// It returns nil if m is nil.
+func MessageV2(m GeneratedMessage) protoV2.Message {
+ return protoimpl.X.ProtoMessageV2Of(m)
+}
+
+// MessageReflect returns a reflective view for a message.
+// It returns nil if m is nil.
+func MessageReflect(m Message) protoreflect.Message {
+ return protoimpl.X.MessageOf(m)
+}
+
+// Marshaler is implemented by messages that can marshal themselves.
+// This interface is used by the following functions: Size, Marshal,
+// Buffer.Marshal, and Buffer.EncodeMessage.
+//
+// Deprecated: Do not implement.
+type Marshaler interface {
+ // Marshal formats the encoded bytes of the message.
+ // It should be deterministic and emit valid protobuf wire data.
+ // The caller takes ownership of the returned buffer.
+ Marshal() ([]byte, error)
+}
+
+// Unmarshaler is implemented by messages that can unmarshal themselves.
+// This interface is used by the following functions: Unmarshal, UnmarshalMerge,
+// Buffer.Unmarshal, Buffer.DecodeMessage, and Buffer.DecodeGroup.
+//
+// Deprecated: Do not implement.
+type Unmarshaler interface {
+ // Unmarshal parses the encoded bytes of the protobuf wire input.
+ // The provided buffer is only valid for during method call.
+ // It should not reset the receiver message.
+ Unmarshal([]byte) error
+}
+
+// Merger is implemented by messages that can merge themselves.
+// This interface is used by the following functions: Clone and Merge.
+//
+// Deprecated: Do not implement.
+type Merger interface {
+ // Merge merges the contents of src into the receiver message.
+ // It clones all data structures in src such that it aliases no mutable
+ // memory referenced by src.
+ Merge(src Message)
+}
+
+// RequiredNotSetError is an error type returned when
+// marshaling or unmarshaling a message with missing required fields.
+type RequiredNotSetError struct {
+ err error
+}
+
+func (e *RequiredNotSetError) Error() string {
+ if e.err != nil {
+ return e.err.Error()
+ }
+ return "proto: required field not set"
+}
+func (e *RequiredNotSetError) RequiredNotSet() bool {
+ return true
+}
+
+func checkRequiredNotSet(m protoV2.Message) error {
+ if err := protoV2.CheckInitialized(m); err != nil {
+ return &RequiredNotSetError{err: err}
+ }
+ return nil
+}
+
+// Clone returns a deep copy of src.
+func Clone(src Message) Message {
+ return MessageV1(protoV2.Clone(MessageV2(src)))
+}
+
+// Merge merges src into dst, which must be messages of the same type.
+//
+// Populated scalar fields in src are copied to dst, while populated
+// singular messages in src are merged into dst by recursively calling Merge.
+// The elements of every list field in src is appended to the corresponded
+// list fields in dst. The entries of every map field in src is copied into
+// the corresponding map field in dst, possibly replacing existing entries.
+// The unknown fields of src are appended to the unknown fields of dst.
+func Merge(dst, src Message) {
+ protoV2.Merge(MessageV2(dst), MessageV2(src))
+}
+
+// Equal reports whether two messages are equal.
+// If two messages marshal to the same bytes under deterministic serialization,
+// then Equal is guaranteed to report true.
+//
+// Two messages are equal if they are the same protobuf message type,
+// have the same set of populated known and extension field values,
+// and the same set of unknown fields values.
+//
+// Scalar values are compared with the equivalent of the == operator in Go,
+// except bytes values which are compared using bytes.Equal and
+// floating point values which specially treat NaNs as equal.
+// Message values are compared by recursively calling Equal.
+// Lists are equal if each element value is also equal.
+// Maps are equal if they have the same set of keys, where the pair of values
+// for each key is also equal.
+func Equal(x, y Message) bool {
+ return protoV2.Equal(MessageV2(x), MessageV2(y))
+}
+
+func isMessageSet(md protoreflect.MessageDescriptor) bool {
+ ms, ok := md.(interface{ IsMessageSet() bool })
+ return ok && ms.IsMessageSet()
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/registry.go b/demo_test/vendor/github.com/golang/protobuf/proto/registry.go
new file mode 100644
index 0000000..abab110
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/registry.go
@@ -0,0 +1,323 @@
+// 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 proto
+
+import (
+ "bytes"
+ "compress/gzip"
+ "fmt"
+ "io/ioutil"
+ "reflect"
+ "strings"
+ "sync"
+
+ "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/reflect/protoregistry"
+ "google.golang.org/protobuf/runtime/protoimpl"
+)
+
+// filePath is the path to the proto source file.
+type filePath = string // e.g., "google/protobuf/descriptor.proto"
+
+// fileDescGZIP is the compressed contents of the encoded FileDescriptorProto.
+type fileDescGZIP = []byte
+
+var fileCache sync.Map // map[filePath]fileDescGZIP
+
+// RegisterFile is called from generated code to register the compressed
+// FileDescriptorProto with the file path for a proto source file.
+//
+// Deprecated: Use protoregistry.GlobalFiles.Register instead.
+func RegisterFile(s filePath, d fileDescGZIP) {
+ // Decompress the descriptor.
+ zr, err := gzip.NewReader(bytes.NewReader(d))
+ if err != nil {
+ panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
+ }
+ b, err := ioutil.ReadAll(zr)
+ if err != nil {
+ panic(fmt.Sprintf("proto: invalid compressed file descriptor: %v", err))
+ }
+
+ // Construct a protoreflect.FileDescriptor from the raw descriptor.
+ // Note that DescBuilder.Build automatically registers the constructed
+ // file descriptor with the v2 registry.
+ protoimpl.DescBuilder{RawDescriptor: b}.Build()
+
+ // Locally cache the raw descriptor form for the file.
+ fileCache.Store(s, d)
+}
+
+// FileDescriptor returns the compressed FileDescriptorProto given the file path
+// for a proto source file. It returns nil if not found.
+//
+// Deprecated: Use protoregistry.GlobalFiles.RangeFilesByPath instead.
+func FileDescriptor(s filePath) fileDescGZIP {
+ if v, ok := fileCache.Load(s); ok {
+ return v.(fileDescGZIP)
+ }
+
+ // Find the descriptor in the v2 registry.
+ var b []byte
+ if fd, _ := protoregistry.GlobalFiles.FindFileByPath(s); fd != nil {
+ if fd, ok := fd.(interface{ ProtoLegacyRawDesc() []byte }); ok {
+ b = fd.ProtoLegacyRawDesc()
+ } else {
+ // TODO: Use protodesc.ToFileDescriptorProto to construct
+ // a descriptorpb.FileDescriptorProto and marshal it.
+ // However, doing so causes the proto package to have a dependency
+ // on descriptorpb, leading to cyclic dependency issues.
+ }
+ }
+
+ // Locally cache the raw descriptor form for the file.
+ if len(b) > 0 {
+ v, _ := fileCache.LoadOrStore(s, protoimpl.X.CompressGZIP(b))
+ return v.(fileDescGZIP)
+ }
+ return nil
+}
+
+// enumName is the name of an enum. For historical reasons, the enum name is
+// neither the full Go name nor the full protobuf name of the enum.
+// The name is the dot-separated combination of just the proto package that the
+// enum is declared within followed by the Go type name of the generated enum.
+type enumName = string // e.g., "my.proto.package.GoMessage_GoEnum"
+
+// enumsByName maps enum values by name to their numeric counterpart.
+type enumsByName = map[string]int32
+
+// enumsByNumber maps enum values by number to their name counterpart.
+type enumsByNumber = map[int32]string
+
+var enumCache sync.Map // map[enumName]enumsByName
+var numFilesCache sync.Map // map[protoreflect.FullName]int
+
+// RegisterEnum is called from the generated code to register the mapping of
+// enum value names to enum numbers for the enum identified by s.
+//
+// Deprecated: Use protoregistry.GlobalTypes.Register instead.
+func RegisterEnum(s enumName, _ enumsByNumber, m enumsByName) {
+ if _, ok := enumCache.Load(s); ok {
+ panic("proto: duplicate enum registered: " + s)
+ }
+ enumCache.Store(s, m)
+
+ // This does not forward registration to the v2 registry since this API
+ // lacks sufficient information to construct a complete v2 enum descriptor.
+}
+
+// EnumValueMap returns the mapping from enum value names to enum numbers for
+// the enum of the given name. It returns nil if not found.
+//
+// Deprecated: Use protoregistry.GlobalTypes.FindEnumByName instead.
+func EnumValueMap(s enumName) enumsByName {
+ if v, ok := enumCache.Load(s); ok {
+ return v.(enumsByName)
+ }
+
+ // Check whether the cache is stale. If the number of files in the current
+ // package differs, then it means that some enums may have been recently
+ // registered upstream that we do not know about.
+ var protoPkg protoreflect.FullName
+ if i := strings.LastIndexByte(s, '.'); i >= 0 {
+ protoPkg = protoreflect.FullName(s[:i])
+ }
+ v, _ := numFilesCache.Load(protoPkg)
+ numFiles, _ := v.(int)
+ if protoregistry.GlobalFiles.NumFilesByPackage(protoPkg) == numFiles {
+ return nil // cache is up-to-date; was not found earlier
+ }
+
+ // Update the enum cache for all enums declared in the given proto package.
+ numFiles = 0
+ protoregistry.GlobalFiles.RangeFilesByPackage(protoPkg, func(fd protoreflect.FileDescriptor) bool {
+ walkEnums(fd, func(ed protoreflect.EnumDescriptor) {
+ name := protoimpl.X.LegacyEnumName(ed)
+ if _, ok := enumCache.Load(name); !ok {
+ m := make(enumsByName)
+ evs := ed.Values()
+ for i := evs.Len() - 1; i >= 0; i-- {
+ ev := evs.Get(i)
+ m[string(ev.Name())] = int32(ev.Number())
+ }
+ enumCache.LoadOrStore(name, m)
+ }
+ })
+ numFiles++
+ return true
+ })
+ numFilesCache.Store(protoPkg, numFiles)
+
+ // Check cache again for enum map.
+ if v, ok := enumCache.Load(s); ok {
+ return v.(enumsByName)
+ }
+ return nil
+}
+
+// walkEnums recursively walks all enums declared in d.
+func walkEnums(d interface {
+ Enums() protoreflect.EnumDescriptors
+ Messages() protoreflect.MessageDescriptors
+}, f func(protoreflect.EnumDescriptor)) {
+ eds := d.Enums()
+ for i := eds.Len() - 1; i >= 0; i-- {
+ f(eds.Get(i))
+ }
+ mds := d.Messages()
+ for i := mds.Len() - 1; i >= 0; i-- {
+ walkEnums(mds.Get(i), f)
+ }
+}
+
+// messageName is the full name of protobuf message.
+type messageName = string
+
+var messageTypeCache sync.Map // map[messageName]reflect.Type
+
+// RegisterType is called from generated code to register the message Go type
+// for a message of the given name.
+//
+// Deprecated: Use protoregistry.GlobalTypes.Register instead.
+func RegisterType(m Message, s messageName) {
+ mt := protoimpl.X.LegacyMessageTypeOf(m, protoreflect.FullName(s))
+ if err := protoregistry.GlobalTypes.RegisterMessage(mt); err != nil {
+ panic(err)
+ }
+ messageTypeCache.Store(s, reflect.TypeOf(m))
+}
+
+// RegisterMapType is called from generated code to register the Go map type
+// for a protobuf message representing a map entry.
+//
+// Deprecated: Do not use.
+func RegisterMapType(m interface{}, s messageName) {
+ t := reflect.TypeOf(m)
+ if t.Kind() != reflect.Map {
+ panic(fmt.Sprintf("invalid map kind: %v", t))
+ }
+ if _, ok := messageTypeCache.Load(s); ok {
+ panic(fmt.Errorf("proto: duplicate proto message registered: %s", s))
+ }
+ messageTypeCache.Store(s, t)
+}
+
+// MessageType returns the message type for a named message.
+// It returns nil if not found.
+//
+// Deprecated: Use protoregistry.GlobalTypes.FindMessageByName instead.
+func MessageType(s messageName) reflect.Type {
+ if v, ok := messageTypeCache.Load(s); ok {
+ return v.(reflect.Type)
+ }
+
+ // Derive the message type from the v2 registry.
+ var t reflect.Type
+ if mt, _ := protoregistry.GlobalTypes.FindMessageByName(protoreflect.FullName(s)); mt != nil {
+ t = messageGoType(mt)
+ }
+
+ // If we could not get a concrete type, it is possible that it is a
+ // pseudo-message for a map entry.
+ if t == nil {
+ d, _ := protoregistry.GlobalFiles.FindDescriptorByName(protoreflect.FullName(s))
+ if md, _ := d.(protoreflect.MessageDescriptor); md != nil && md.IsMapEntry() {
+ kt := goTypeForField(md.Fields().ByNumber(1))
+ vt := goTypeForField(md.Fields().ByNumber(2))
+ t = reflect.MapOf(kt, vt)
+ }
+ }
+
+ // Locally cache the message type for the given name.
+ if t != nil {
+ v, _ := messageTypeCache.LoadOrStore(s, t)
+ return v.(reflect.Type)
+ }
+ return nil
+}
+
+func goTypeForField(fd protoreflect.FieldDescriptor) reflect.Type {
+ switch k := fd.Kind(); k {
+ case protoreflect.EnumKind:
+ if et, _ := protoregistry.GlobalTypes.FindEnumByName(fd.Enum().FullName()); et != nil {
+ return enumGoType(et)
+ }
+ return reflect.TypeOf(protoreflect.EnumNumber(0))
+ case protoreflect.MessageKind, protoreflect.GroupKind:
+ if mt, _ := protoregistry.GlobalTypes.FindMessageByName(fd.Message().FullName()); mt != nil {
+ return messageGoType(mt)
+ }
+ return reflect.TypeOf((*protoreflect.Message)(nil)).Elem()
+ default:
+ return reflect.TypeOf(fd.Default().Interface())
+ }
+}
+
+func enumGoType(et protoreflect.EnumType) reflect.Type {
+ return reflect.TypeOf(et.New(0))
+}
+
+func messageGoType(mt protoreflect.MessageType) reflect.Type {
+ return reflect.TypeOf(MessageV1(mt.Zero().Interface()))
+}
+
+// MessageName returns the full protobuf name for the given message type.
+//
+// Deprecated: Use protoreflect.MessageDescriptor.FullName instead.
+func MessageName(m Message) messageName {
+ if m == nil {
+ return ""
+ }
+ if m, ok := m.(interface{ XXX_MessageName() messageName }); ok {
+ return m.XXX_MessageName()
+ }
+ return messageName(protoimpl.X.MessageDescriptorOf(m).FullName())
+}
+
+// RegisterExtension is called from the generated code to register
+// the extension descriptor.
+//
+// Deprecated: Use protoregistry.GlobalTypes.Register instead.
+func RegisterExtension(d *ExtensionDesc) {
+ if err := protoregistry.GlobalTypes.RegisterExtension(d); err != nil {
+ panic(err)
+ }
+}
+
+type extensionsByNumber = map[int32]*ExtensionDesc
+
+var extensionCache sync.Map // map[messageName]extensionsByNumber
+
+// RegisteredExtensions returns a map of the registered extensions for the
+// provided protobuf message, indexed by the extension field number.
+//
+// Deprecated: Use protoregistry.GlobalTypes.RangeExtensionsByMessage instead.
+func RegisteredExtensions(m Message) extensionsByNumber {
+ // Check whether the cache is stale. If the number of extensions for
+ // the given message differs, then it means that some extensions were
+ // recently registered upstream that we do not know about.
+ s := MessageName(m)
+ v, _ := extensionCache.Load(s)
+ xs, _ := v.(extensionsByNumber)
+ if protoregistry.GlobalTypes.NumExtensionsByMessage(protoreflect.FullName(s)) == len(xs) {
+ return xs // cache is up-to-date
+ }
+
+ // Cache is stale, re-compute the extensions map.
+ xs = make(extensionsByNumber)
+ protoregistry.GlobalTypes.RangeExtensionsByMessage(protoreflect.FullName(s), func(xt protoreflect.ExtensionType) bool {
+ if xd, ok := xt.(*ExtensionDesc); ok {
+ xs[int32(xt.TypeDescriptor().Number())] = xd
+ } else {
+ // TODO: This implies that the protoreflect.ExtensionType is a
+ // custom type not generated by protoc-gen-go. We could try and
+ // convert the type to an ExtensionDesc.
+ }
+ return true
+ })
+ extensionCache.Store(s, xs)
+ return xs
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/text_decode.go b/demo_test/vendor/github.com/golang/protobuf/proto/text_decode.go
new file mode 100644
index 0000000..4a59310
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/text_decode.go
@@ -0,0 +1,801 @@
+// Copyright 2010 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 proto
+
+import (
+ "encoding"
+ "errors"
+ "fmt"
+ "reflect"
+ "strconv"
+ "strings"
+ "unicode/utf8"
+
+ "google.golang.org/protobuf/encoding/prototext"
+ protoV2 "google.golang.org/protobuf/proto"
+ "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/reflect/protoregistry"
+)
+
+const wrapTextUnmarshalV2 = false
+
+// ParseError is returned by UnmarshalText.
+type ParseError struct {
+ Message string
+
+ // Deprecated: Do not use.
+ Line, Offset int
+}
+
+func (e *ParseError) Error() string {
+ if wrapTextUnmarshalV2 {
+ return e.Message
+ }
+ if e.Line == 1 {
+ return fmt.Sprintf("line 1.%d: %v", e.Offset, e.Message)
+ }
+ return fmt.Sprintf("line %d: %v", e.Line, e.Message)
+}
+
+// UnmarshalText parses a proto text formatted string into m.
+func UnmarshalText(s string, m Message) error {
+ if u, ok := m.(encoding.TextUnmarshaler); ok {
+ return u.UnmarshalText([]byte(s))
+ }
+
+ m.Reset()
+ mi := MessageV2(m)
+
+ if wrapTextUnmarshalV2 {
+ err := prototext.UnmarshalOptions{
+ AllowPartial: true,
+ }.Unmarshal([]byte(s), mi)
+ if err != nil {
+ return &ParseError{Message: err.Error()}
+ }
+ return checkRequiredNotSet(mi)
+ } else {
+ if err := newTextParser(s).unmarshalMessage(mi.ProtoReflect(), ""); err != nil {
+ return err
+ }
+ return checkRequiredNotSet(mi)
+ }
+}
+
+type textParser struct {
+ s string // remaining input
+ done bool // whether the parsing is finished (success or error)
+ backed bool // whether back() was called
+ offset, line int
+ cur token
+}
+
+type token struct {
+ value string
+ err *ParseError
+ line int // line number
+ offset int // byte number from start of input, not start of line
+ unquoted string // the unquoted version of value, if it was a quoted string
+}
+
+func newTextParser(s string) *textParser {
+ p := new(textParser)
+ p.s = s
+ p.line = 1
+ p.cur.line = 1
+ return p
+}
+
+func (p *textParser) unmarshalMessage(m protoreflect.Message, terminator string) (err error) {
+ md := m.Descriptor()
+ fds := md.Fields()
+
+ // A struct is a sequence of "name: value", terminated by one of
+ // '>' or '}', or the end of the input. A name may also be
+ // "[extension]" or "[type/url]".
+ //
+ // The whole struct can also be an expanded Any message, like:
+ // [type/url] < ... struct contents ... >
+ seen := make(map[protoreflect.FieldNumber]bool)
+ for {
+ tok := p.next()
+ if tok.err != nil {
+ return tok.err
+ }
+ if tok.value == terminator {
+ break
+ }
+ if tok.value == "[" {
+ if err := p.unmarshalExtensionOrAny(m, seen); err != nil {
+ return err
+ }
+ continue
+ }
+
+ // This is a normal, non-extension field.
+ name := protoreflect.Name(tok.value)
+ fd := fds.ByName(name)
+ switch {
+ case fd == nil:
+ gd := fds.ByName(protoreflect.Name(strings.ToLower(string(name))))
+ if gd != nil && gd.Kind() == protoreflect.GroupKind && gd.Message().Name() == name {
+ fd = gd
+ }
+ case fd.Kind() == protoreflect.GroupKind && fd.Message().Name() != name:
+ fd = nil
+ case fd.IsWeak() && fd.Message().IsPlaceholder():
+ fd = nil
+ }
+ if fd == nil {
+ typeName := string(md.FullName())
+ if m, ok := m.Interface().(Message); ok {
+ t := reflect.TypeOf(m)
+ if t.Kind() == reflect.Ptr {
+ typeName = t.Elem().String()
+ }
+ }
+ return p.errorf("unknown field name %q in %v", name, typeName)
+ }
+ if od := fd.ContainingOneof(); od != nil && m.WhichOneof(od) != nil {
+ return p.errorf("field '%s' would overwrite already parsed oneof '%s'", name, od.Name())
+ }
+ if fd.Cardinality() != protoreflect.Repeated && seen[fd.Number()] {
+ return p.errorf("non-repeated field %q was repeated", fd.Name())
+ }
+ seen[fd.Number()] = true
+
+ // Consume any colon.
+ if err := p.checkForColon(fd); err != nil {
+ return err
+ }
+
+ // Parse into the field.
+ v := m.Get(fd)
+ if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
+ v = m.Mutable(fd)
+ }
+ if v, err = p.unmarshalValue(v, fd); err != nil {
+ return err
+ }
+ m.Set(fd, v)
+
+ if err := p.consumeOptionalSeparator(); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+func (p *textParser) unmarshalExtensionOrAny(m protoreflect.Message, seen map[protoreflect.FieldNumber]bool) error {
+ name, err := p.consumeExtensionOrAnyName()
+ if err != nil {
+ return err
+ }
+
+ // If it contains a slash, it's an Any type URL.
+ if slashIdx := strings.LastIndex(name, "/"); slashIdx >= 0 {
+ tok := p.next()
+ if tok.err != nil {
+ return tok.err
+ }
+ // consume an optional colon
+ if tok.value == ":" {
+ tok = p.next()
+ if tok.err != nil {
+ return tok.err
+ }
+ }
+
+ var terminator string
+ switch tok.value {
+ case "<":
+ terminator = ">"
+ case "{":
+ terminator = "}"
+ default:
+ return p.errorf("expected '{' or '<', found %q", tok.value)
+ }
+
+ mt, err := protoregistry.GlobalTypes.FindMessageByURL(name)
+ if err != nil {
+ return p.errorf("unrecognized message %q in google.protobuf.Any", name[slashIdx+len("/"):])
+ }
+ m2 := mt.New()
+ if err := p.unmarshalMessage(m2, terminator); err != nil {
+ return err
+ }
+ b, err := protoV2.Marshal(m2.Interface())
+ if err != nil {
+ return p.errorf("failed to marshal message of type %q: %v", name[slashIdx+len("/"):], err)
+ }
+
+ urlFD := m.Descriptor().Fields().ByName("type_url")
+ valFD := m.Descriptor().Fields().ByName("value")
+ if seen[urlFD.Number()] {
+ return p.errorf("Any message unpacked multiple times, or %q already set", urlFD.Name())
+ }
+ if seen[valFD.Number()] {
+ return p.errorf("Any message unpacked multiple times, or %q already set", valFD.Name())
+ }
+ m.Set(urlFD, protoreflect.ValueOfString(name))
+ m.Set(valFD, protoreflect.ValueOfBytes(b))
+ seen[urlFD.Number()] = true
+ seen[valFD.Number()] = true
+ return nil
+ }
+
+ xname := protoreflect.FullName(name)
+ xt, _ := protoregistry.GlobalTypes.FindExtensionByName(xname)
+ if xt == nil && isMessageSet(m.Descriptor()) {
+ xt, _ = protoregistry.GlobalTypes.FindExtensionByName(xname.Append("message_set_extension"))
+ }
+ if xt == nil {
+ return p.errorf("unrecognized extension %q", name)
+ }
+ fd := xt.TypeDescriptor()
+ if fd.ContainingMessage().FullName() != m.Descriptor().FullName() {
+ return p.errorf("extension field %q does not extend message %q", name, m.Descriptor().FullName())
+ }
+
+ if err := p.checkForColon(fd); err != nil {
+ return err
+ }
+
+ v := m.Get(fd)
+ if !m.Has(fd) && (fd.IsList() || fd.IsMap() || fd.Message() != nil) {
+ v = m.Mutable(fd)
+ }
+ v, err = p.unmarshalValue(v, fd)
+ if err != nil {
+ return err
+ }
+ m.Set(fd, v)
+ return p.consumeOptionalSeparator()
+}
+
+func (p *textParser) unmarshalValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
+ tok := p.next()
+ if tok.err != nil {
+ return v, tok.err
+ }
+ if tok.value == "" {
+ return v, p.errorf("unexpected EOF")
+ }
+
+ switch {
+ case fd.IsList():
+ lv := v.List()
+ var err error
+ if tok.value == "[" {
+ // Repeated field with list notation, like [1,2,3].
+ for {
+ vv := lv.NewElement()
+ vv, err = p.unmarshalSingularValue(vv, fd)
+ if err != nil {
+ return v, err
+ }
+ lv.Append(vv)
+
+ tok := p.next()
+ if tok.err != nil {
+ return v, tok.err
+ }
+ if tok.value == "]" {
+ break
+ }
+ if tok.value != "," {
+ return v, p.errorf("Expected ']' or ',' found %q", tok.value)
+ }
+ }
+ return v, nil
+ }
+
+ // One value of the repeated field.
+ p.back()
+ vv := lv.NewElement()
+ vv, err = p.unmarshalSingularValue(vv, fd)
+ if err != nil {
+ return v, err
+ }
+ lv.Append(vv)
+ return v, nil
+ case fd.IsMap():
+ // The map entry should be this sequence of tokens:
+ // < key : KEY value : VALUE >
+ // However, implementations may omit key or value, and technically
+ // we should support them in any order.
+ var terminator string
+ switch tok.value {
+ case "<":
+ terminator = ">"
+ case "{":
+ terminator = "}"
+ default:
+ return v, p.errorf("expected '{' or '<', found %q", tok.value)
+ }
+
+ keyFD := fd.MapKey()
+ valFD := fd.MapValue()
+
+ mv := v.Map()
+ kv := keyFD.Default()
+ vv := mv.NewValue()
+ for {
+ tok := p.next()
+ if tok.err != nil {
+ return v, tok.err
+ }
+ if tok.value == terminator {
+ break
+ }
+ var err error
+ switch tok.value {
+ case "key":
+ if err := p.consumeToken(":"); err != nil {
+ return v, err
+ }
+ if kv, err = p.unmarshalSingularValue(kv, keyFD); err != nil {
+ return v, err
+ }
+ if err := p.consumeOptionalSeparator(); err != nil {
+ return v, err
+ }
+ case "value":
+ if err := p.checkForColon(valFD); err != nil {
+ return v, err
+ }
+ if vv, err = p.unmarshalSingularValue(vv, valFD); err != nil {
+ return v, err
+ }
+ if err := p.consumeOptionalSeparator(); err != nil {
+ return v, err
+ }
+ default:
+ p.back()
+ return v, p.errorf(`expected "key", "value", or %q, found %q`, terminator, tok.value)
+ }
+ }
+ mv.Set(kv.MapKey(), vv)
+ return v, nil
+ default:
+ p.back()
+ return p.unmarshalSingularValue(v, fd)
+ }
+}
+
+func (p *textParser) unmarshalSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) (protoreflect.Value, error) {
+ tok := p.next()
+ if tok.err != nil {
+ return v, tok.err
+ }
+ if tok.value == "" {
+ return v, p.errorf("unexpected EOF")
+ }
+
+ switch fd.Kind() {
+ case protoreflect.BoolKind:
+ switch tok.value {
+ case "true", "1", "t", "True":
+ return protoreflect.ValueOfBool(true), nil
+ case "false", "0", "f", "False":
+ return protoreflect.ValueOfBool(false), nil
+ }
+ case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind:
+ if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
+ return protoreflect.ValueOfInt32(int32(x)), nil
+ }
+
+ // The C++ parser accepts large positive hex numbers that uses
+ // two's complement arithmetic to represent negative numbers.
+ // This feature is here for backwards compatibility with C++.
+ if strings.HasPrefix(tok.value, "0x") {
+ if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
+ return protoreflect.ValueOfInt32(int32(-(int64(^x) + 1))), nil
+ }
+ }
+ case protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
+ if x, err := strconv.ParseInt(tok.value, 0, 64); err == nil {
+ return protoreflect.ValueOfInt64(int64(x)), nil
+ }
+
+ // The C++ parser accepts large positive hex numbers that uses
+ // two's complement arithmetic to represent negative numbers.
+ // This feature is here for backwards compatibility with C++.
+ if strings.HasPrefix(tok.value, "0x") {
+ if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
+ return protoreflect.ValueOfInt64(int64(-(int64(^x) + 1))), nil
+ }
+ }
+ case protoreflect.Uint32Kind, protoreflect.Fixed32Kind:
+ if x, err := strconv.ParseUint(tok.value, 0, 32); err == nil {
+ return protoreflect.ValueOfUint32(uint32(x)), nil
+ }
+ case protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
+ if x, err := strconv.ParseUint(tok.value, 0, 64); err == nil {
+ return protoreflect.ValueOfUint64(uint64(x)), nil
+ }
+ case protoreflect.FloatKind:
+ // Ignore 'f' for compatibility with output generated by C++,
+ // but don't remove 'f' when the value is "-inf" or "inf".
+ v := tok.value
+ if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
+ v = v[:len(v)-len("f")]
+ }
+ if x, err := strconv.ParseFloat(v, 32); err == nil {
+ return protoreflect.ValueOfFloat32(float32(x)), nil
+ }
+ case protoreflect.DoubleKind:
+ // Ignore 'f' for compatibility with output generated by C++,
+ // but don't remove 'f' when the value is "-inf" or "inf".
+ v := tok.value
+ if strings.HasSuffix(v, "f") && v != "-inf" && v != "inf" {
+ v = v[:len(v)-len("f")]
+ }
+ if x, err := strconv.ParseFloat(v, 64); err == nil {
+ return protoreflect.ValueOfFloat64(float64(x)), nil
+ }
+ case protoreflect.StringKind:
+ if isQuote(tok.value[0]) {
+ return protoreflect.ValueOfString(tok.unquoted), nil
+ }
+ case protoreflect.BytesKind:
+ if isQuote(tok.value[0]) {
+ return protoreflect.ValueOfBytes([]byte(tok.unquoted)), nil
+ }
+ case protoreflect.EnumKind:
+ if x, err := strconv.ParseInt(tok.value, 0, 32); err == nil {
+ return protoreflect.ValueOfEnum(protoreflect.EnumNumber(x)), nil
+ }
+ vd := fd.Enum().Values().ByName(protoreflect.Name(tok.value))
+ if vd != nil {
+ return protoreflect.ValueOfEnum(vd.Number()), nil
+ }
+ case protoreflect.MessageKind, protoreflect.GroupKind:
+ var terminator string
+ switch tok.value {
+ case "{":
+ terminator = "}"
+ case "<":
+ terminator = ">"
+ default:
+ return v, p.errorf("expected '{' or '<', found %q", tok.value)
+ }
+ err := p.unmarshalMessage(v.Message(), terminator)
+ return v, err
+ default:
+ panic(fmt.Sprintf("invalid kind %v", fd.Kind()))
+ }
+ return v, p.errorf("invalid %v: %v", fd.Kind(), tok.value)
+}
+
+// Consume a ':' from the input stream (if the next token is a colon),
+// returning an error if a colon is needed but not present.
+func (p *textParser) checkForColon(fd protoreflect.FieldDescriptor) *ParseError {
+ tok := p.next()
+ if tok.err != nil {
+ return tok.err
+ }
+ if tok.value != ":" {
+ if fd.Message() == nil {
+ return p.errorf("expected ':', found %q", tok.value)
+ }
+ p.back()
+ }
+ return nil
+}
+
+// consumeExtensionOrAnyName consumes an extension name or an Any type URL and
+// the following ']'. It returns the name or URL consumed.
+func (p *textParser) consumeExtensionOrAnyName() (string, error) {
+ tok := p.next()
+ if tok.err != nil {
+ return "", tok.err
+ }
+
+ // If extension name or type url is quoted, it's a single token.
+ if len(tok.value) > 2 && isQuote(tok.value[0]) && tok.value[len(tok.value)-1] == tok.value[0] {
+ name, err := unquoteC(tok.value[1:len(tok.value)-1], rune(tok.value[0]))
+ if err != nil {
+ return "", err
+ }
+ return name, p.consumeToken("]")
+ }
+
+ // Consume everything up to "]"
+ var parts []string
+ for tok.value != "]" {
+ parts = append(parts, tok.value)
+ tok = p.next()
+ if tok.err != nil {
+ return "", p.errorf("unrecognized type_url or extension name: %s", tok.err)
+ }
+ if p.done && tok.value != "]" {
+ return "", p.errorf("unclosed type_url or extension name")
+ }
+ }
+ return strings.Join(parts, ""), nil
+}
+
+// consumeOptionalSeparator consumes an optional semicolon or comma.
+// It is used in unmarshalMessage to provide backward compatibility.
+func (p *textParser) consumeOptionalSeparator() error {
+ tok := p.next()
+ if tok.err != nil {
+ return tok.err
+ }
+ if tok.value != ";" && tok.value != "," {
+ p.back()
+ }
+ return nil
+}
+
+func (p *textParser) errorf(format string, a ...interface{}) *ParseError {
+ pe := &ParseError{fmt.Sprintf(format, a...), p.cur.line, p.cur.offset}
+ p.cur.err = pe
+ p.done = true
+ return pe
+}
+
+func (p *textParser) skipWhitespace() {
+ i := 0
+ for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') {
+ if p.s[i] == '#' {
+ // comment; skip to end of line or input
+ for i < len(p.s) && p.s[i] != '\n' {
+ i++
+ }
+ if i == len(p.s) {
+ break
+ }
+ }
+ if p.s[i] == '\n' {
+ p.line++
+ }
+ i++
+ }
+ p.offset += i
+ p.s = p.s[i:len(p.s)]
+ if len(p.s) == 0 {
+ p.done = true
+ }
+}
+
+func (p *textParser) advance() {
+ // Skip whitespace
+ p.skipWhitespace()
+ if p.done {
+ return
+ }
+
+ // Start of non-whitespace
+ p.cur.err = nil
+ p.cur.offset, p.cur.line = p.offset, p.line
+ p.cur.unquoted = ""
+ switch p.s[0] {
+ case '<', '>', '{', '}', ':', '[', ']', ';', ',', '/':
+ // Single symbol
+ p.cur.value, p.s = p.s[0:1], p.s[1:len(p.s)]
+ case '"', '\'':
+ // Quoted string
+ i := 1
+ for i < len(p.s) && p.s[i] != p.s[0] && p.s[i] != '\n' {
+ if p.s[i] == '\\' && i+1 < len(p.s) {
+ // skip escaped char
+ i++
+ }
+ i++
+ }
+ if i >= len(p.s) || p.s[i] != p.s[0] {
+ p.errorf("unmatched quote")
+ return
+ }
+ unq, err := unquoteC(p.s[1:i], rune(p.s[0]))
+ if err != nil {
+ p.errorf("invalid quoted string %s: %v", p.s[0:i+1], err)
+ return
+ }
+ p.cur.value, p.s = p.s[0:i+1], p.s[i+1:len(p.s)]
+ p.cur.unquoted = unq
+ default:
+ i := 0
+ for i < len(p.s) && isIdentOrNumberChar(p.s[i]) {
+ i++
+ }
+ if i == 0 {
+ p.errorf("unexpected byte %#x", p.s[0])
+ return
+ }
+ p.cur.value, p.s = p.s[0:i], p.s[i:len(p.s)]
+ }
+ p.offset += len(p.cur.value)
+}
+
+// Back off the parser by one token. Can only be done between calls to next().
+// It makes the next advance() a no-op.
+func (p *textParser) back() { p.backed = true }
+
+// Advances the parser and returns the new current token.
+func (p *textParser) next() *token {
+ if p.backed || p.done {
+ p.backed = false
+ return &p.cur
+ }
+ p.advance()
+ if p.done {
+ p.cur.value = ""
+ } else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) {
+ // Look for multiple quoted strings separated by whitespace,
+ // and concatenate them.
+ cat := p.cur
+ for {
+ p.skipWhitespace()
+ if p.done || !isQuote(p.s[0]) {
+ break
+ }
+ p.advance()
+ if p.cur.err != nil {
+ return &p.cur
+ }
+ cat.value += " " + p.cur.value
+ cat.unquoted += p.cur.unquoted
+ }
+ p.done = false // parser may have seen EOF, but we want to return cat
+ p.cur = cat
+ }
+ return &p.cur
+}
+
+func (p *textParser) consumeToken(s string) error {
+ tok := p.next()
+ if tok.err != nil {
+ return tok.err
+ }
+ if tok.value != s {
+ p.back()
+ return p.errorf("expected %q, found %q", s, tok.value)
+ }
+ return nil
+}
+
+var errBadUTF8 = errors.New("proto: bad UTF-8")
+
+func unquoteC(s string, quote rune) (string, error) {
+ // This is based on C++'s tokenizer.cc.
+ // Despite its name, this is *not* parsing C syntax.
+ // For instance, "\0" is an invalid quoted string.
+
+ // Avoid allocation in trivial cases.
+ simple := true
+ for _, r := range s {
+ if r == '\\' || r == quote {
+ simple = false
+ break
+ }
+ }
+ if simple {
+ return s, nil
+ }
+
+ buf := make([]byte, 0, 3*len(s)/2)
+ for len(s) > 0 {
+ r, n := utf8.DecodeRuneInString(s)
+ if r == utf8.RuneError && n == 1 {
+ return "", errBadUTF8
+ }
+ s = s[n:]
+ if r != '\\' {
+ if r < utf8.RuneSelf {
+ buf = append(buf, byte(r))
+ } else {
+ buf = append(buf, string(r)...)
+ }
+ continue
+ }
+
+ ch, tail, err := unescape(s)
+ if err != nil {
+ return "", err
+ }
+ buf = append(buf, ch...)
+ s = tail
+ }
+ return string(buf), nil
+}
+
+func unescape(s string) (ch string, tail string, err error) {
+ r, n := utf8.DecodeRuneInString(s)
+ if r == utf8.RuneError && n == 1 {
+ return "", "", errBadUTF8
+ }
+ s = s[n:]
+ switch r {
+ case 'a':
+ return "\a", s, nil
+ case 'b':
+ return "\b", s, nil
+ case 'f':
+ return "\f", s, nil
+ case 'n':
+ return "\n", s, nil
+ case 'r':
+ return "\r", s, nil
+ case 't':
+ return "\t", s, nil
+ case 'v':
+ return "\v", s, nil
+ case '?':
+ return "?", s, nil // trigraph workaround
+ case '\'', '"', '\\':
+ return string(r), s, nil
+ case '0', '1', '2', '3', '4', '5', '6', '7':
+ if len(s) < 2 {
+ return "", "", fmt.Errorf(`\%c requires 2 following digits`, r)
+ }
+ ss := string(r) + s[:2]
+ s = s[2:]
+ i, err := strconv.ParseUint(ss, 8, 8)
+ if err != nil {
+ return "", "", fmt.Errorf(`\%s contains non-octal digits`, ss)
+ }
+ return string([]byte{byte(i)}), s, nil
+ case 'x', 'X', 'u', 'U':
+ var n int
+ switch r {
+ case 'x', 'X':
+ n = 2
+ case 'u':
+ n = 4
+ case 'U':
+ n = 8
+ }
+ if len(s) < n {
+ return "", "", fmt.Errorf(`\%c requires %d following digits`, r, n)
+ }
+ ss := s[:n]
+ s = s[n:]
+ i, err := strconv.ParseUint(ss, 16, 64)
+ if err != nil {
+ return "", "", fmt.Errorf(`\%c%s contains non-hexadecimal digits`, r, ss)
+ }
+ if r == 'x' || r == 'X' {
+ return string([]byte{byte(i)}), s, nil
+ }
+ if i > utf8.MaxRune {
+ return "", "", fmt.Errorf(`\%c%s is not a valid Unicode code point`, r, ss)
+ }
+ return string(i), s, nil
+ }
+ return "", "", fmt.Errorf(`unknown escape \%c`, r)
+}
+
+func isIdentOrNumberChar(c byte) bool {
+ switch {
+ case 'A' <= c && c <= 'Z', 'a' <= c && c <= 'z':
+ return true
+ case '0' <= c && c <= '9':
+ return true
+ }
+ switch c {
+ case '-', '+', '.', '_':
+ return true
+ }
+ return false
+}
+
+func isWhitespace(c byte) bool {
+ switch c {
+ case ' ', '\t', '\n', '\r':
+ return true
+ }
+ return false
+}
+
+func isQuote(c byte) bool {
+ switch c {
+ case '"', '\'':
+ return true
+ }
+ return false
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/text_encode.go b/demo_test/vendor/github.com/golang/protobuf/proto/text_encode.go
new file mode 100644
index 0000000..7ac02e6
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/text_encode.go
@@ -0,0 +1,560 @@
+// Copyright 2010 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 proto
+
+import (
+ "bytes"
+ "encoding"
+ "fmt"
+ "io"
+ "math"
+ "sort"
+ "strings"
+
+ "google.golang.org/protobuf/encoding/prototext"
+ "google.golang.org/protobuf/encoding/protowire"
+ "google.golang.org/protobuf/proto"
+ "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/reflect/protoregistry"
+)
+
+const wrapTextMarshalV2 = false
+
+// TextMarshaler is a configurable text format marshaler.
+type TextMarshaler struct {
+ Compact bool // use compact text format (one line)
+ ExpandAny bool // expand google.protobuf.Any messages of known types
+}
+
+// Marshal writes the proto text format of m to w.
+func (tm *TextMarshaler) Marshal(w io.Writer, m Message) error {
+ b, err := tm.marshal(m)
+ if len(b) > 0 {
+ if _, err := w.Write(b); err != nil {
+ return err
+ }
+ }
+ return err
+}
+
+// Text returns a proto text formatted string of m.
+func (tm *TextMarshaler) Text(m Message) string {
+ b, _ := tm.marshal(m)
+ return string(b)
+}
+
+func (tm *TextMarshaler) marshal(m Message) ([]byte, error) {
+ mr := MessageReflect(m)
+ if mr == nil || !mr.IsValid() {
+ return []byte("<nil>"), nil
+ }
+
+ if wrapTextMarshalV2 {
+ if m, ok := m.(encoding.TextMarshaler); ok {
+ return m.MarshalText()
+ }
+
+ opts := prototext.MarshalOptions{
+ AllowPartial: true,
+ EmitUnknown: true,
+ }
+ if !tm.Compact {
+ opts.Indent = " "
+ }
+ if !tm.ExpandAny {
+ opts.Resolver = (*protoregistry.Types)(nil)
+ }
+ return opts.Marshal(mr.Interface())
+ } else {
+ w := &textWriter{
+ compact: tm.Compact,
+ expandAny: tm.ExpandAny,
+ complete: true,
+ }
+
+ if m, ok := m.(encoding.TextMarshaler); ok {
+ b, err := m.MarshalText()
+ if err != nil {
+ return nil, err
+ }
+ w.Write(b)
+ return w.buf, nil
+ }
+
+ err := w.writeMessage(mr)
+ return w.buf, err
+ }
+}
+
+var (
+ defaultTextMarshaler = TextMarshaler{}
+ compactTextMarshaler = TextMarshaler{Compact: true}
+)
+
+// MarshalText writes the proto text format of m to w.
+func MarshalText(w io.Writer, pb Message) error { return defaultTextMarshaler.Marshal(w, pb) }
+
+// MarshalTextString returns a proto text formatted string of m.
+func MarshalTextString(pb Message) string { return defaultTextMarshaler.Text(pb) }
+
+// CompactText writes the compact proto text format of m to w.
+func CompactText(w io.Writer, pb Message) error { return compactTextMarshaler.Marshal(w, pb) }
+
+// CompactTextString returns a compact proto text formatted string of m.
+func CompactTextString(pb Message) string { return compactTextMarshaler.Text(pb) }
+
+var (
+ newline = []byte("\n")
+ endBraceNewline = []byte("}\n")
+ posInf = []byte("inf")
+ negInf = []byte("-inf")
+ nan = []byte("nan")
+)
+
+// textWriter is an io.Writer that tracks its indentation level.
+type textWriter struct {
+ compact bool // same as TextMarshaler.Compact
+ expandAny bool // same as TextMarshaler.ExpandAny
+ complete bool // whether the current position is a complete line
+ indent int // indentation level; never negative
+ buf []byte
+}
+
+func (w *textWriter) Write(p []byte) (n int, _ error) {
+ newlines := bytes.Count(p, newline)
+ if newlines == 0 {
+ if !w.compact && w.complete {
+ w.writeIndent()
+ }
+ w.buf = append(w.buf, p...)
+ w.complete = false
+ return len(p), nil
+ }
+
+ frags := bytes.SplitN(p, newline, newlines+1)
+ if w.compact {
+ for i, frag := range frags {
+ if i > 0 {
+ w.buf = append(w.buf, ' ')
+ n++
+ }
+ w.buf = append(w.buf, frag...)
+ n += len(frag)
+ }
+ return n, nil
+ }
+
+ for i, frag := range frags {
+ if w.complete {
+ w.writeIndent()
+ }
+ w.buf = append(w.buf, frag...)
+ n += len(frag)
+ if i+1 < len(frags) {
+ w.buf = append(w.buf, '\n')
+ n++
+ }
+ }
+ w.complete = len(frags[len(frags)-1]) == 0
+ return n, nil
+}
+
+func (w *textWriter) WriteByte(c byte) error {
+ if w.compact && c == '\n' {
+ c = ' '
+ }
+ if !w.compact && w.complete {
+ w.writeIndent()
+ }
+ w.buf = append(w.buf, c)
+ w.complete = c == '\n'
+ return nil
+}
+
+func (w *textWriter) writeName(fd protoreflect.FieldDescriptor) {
+ if !w.compact && w.complete {
+ w.writeIndent()
+ }
+ w.complete = false
+
+ if fd.Kind() != protoreflect.GroupKind {
+ w.buf = append(w.buf, fd.Name()...)
+ w.WriteByte(':')
+ } else {
+ // Use message type name for group field name.
+ w.buf = append(w.buf, fd.Message().Name()...)
+ }
+
+ if !w.compact {
+ w.WriteByte(' ')
+ }
+}
+
+func requiresQuotes(u string) bool {
+ // When type URL contains any characters except [0-9A-Za-z./\-]*, it must be quoted.
+ for _, ch := range u {
+ switch {
+ case ch == '.' || ch == '/' || ch == '_':
+ continue
+ case '0' <= ch && ch <= '9':
+ continue
+ case 'A' <= ch && ch <= 'Z':
+ continue
+ case 'a' <= ch && ch <= 'z':
+ continue
+ default:
+ return true
+ }
+ }
+ return false
+}
+
+// writeProto3Any writes an expanded google.protobuf.Any message.
+//
+// It returns (false, nil) if sv value can't be unmarshaled (e.g. because
+// required messages are not linked in).
+//
+// It returns (true, error) when sv was written in expanded format or an error
+// was encountered.
+func (w *textWriter) writeProto3Any(m protoreflect.Message) (bool, error) {
+ md := m.Descriptor()
+ fdURL := md.Fields().ByName("type_url")
+ fdVal := md.Fields().ByName("value")
+
+ url := m.Get(fdURL).String()
+ mt, err := protoregistry.GlobalTypes.FindMessageByURL(url)
+ if err != nil {
+ return false, nil
+ }
+
+ b := m.Get(fdVal).Bytes()
+ m2 := mt.New()
+ if err := proto.Unmarshal(b, m2.Interface()); err != nil {
+ return false, nil
+ }
+ w.Write([]byte("["))
+ if requiresQuotes(url) {
+ w.writeQuotedString(url)
+ } else {
+ w.Write([]byte(url))
+ }
+ if w.compact {
+ w.Write([]byte("]:<"))
+ } else {
+ w.Write([]byte("]: <\n"))
+ w.indent++
+ }
+ if err := w.writeMessage(m2); err != nil {
+ return true, err
+ }
+ if w.compact {
+ w.Write([]byte("> "))
+ } else {
+ w.indent--
+ w.Write([]byte(">\n"))
+ }
+ return true, nil
+}
+
+func (w *textWriter) writeMessage(m protoreflect.Message) error {
+ md := m.Descriptor()
+ if w.expandAny && md.FullName() == "google.protobuf.Any" {
+ if canExpand, err := w.writeProto3Any(m); canExpand {
+ return err
+ }
+ }
+
+ fds := md.Fields()
+ for i := 0; i < fds.Len(); {
+ fd := fds.Get(i)
+ if od := fd.ContainingOneof(); od != nil {
+ fd = m.WhichOneof(od)
+ i += od.Fields().Len()
+ } else {
+ i++
+ }
+ if fd == nil || !m.Has(fd) {
+ continue
+ }
+
+ switch {
+ case fd.IsList():
+ lv := m.Get(fd).List()
+ for j := 0; j < lv.Len(); j++ {
+ w.writeName(fd)
+ v := lv.Get(j)
+ if err := w.writeSingularValue(v, fd); err != nil {
+ return err
+ }
+ w.WriteByte('\n')
+ }
+ case fd.IsMap():
+ kfd := fd.MapKey()
+ vfd := fd.MapValue()
+ mv := m.Get(fd).Map()
+
+ type entry struct{ key, val protoreflect.Value }
+ var entries []entry
+ mv.Range(func(k protoreflect.MapKey, v protoreflect.Value) bool {
+ entries = append(entries, entry{k.Value(), v})
+ return true
+ })
+ sort.Slice(entries, func(i, j int) bool {
+ switch kfd.Kind() {
+ case protoreflect.BoolKind:
+ return !entries[i].key.Bool() && entries[j].key.Bool()
+ case protoreflect.Int32Kind, protoreflect.Sint32Kind, protoreflect.Sfixed32Kind, protoreflect.Int64Kind, protoreflect.Sint64Kind, protoreflect.Sfixed64Kind:
+ return entries[i].key.Int() < entries[j].key.Int()
+ case protoreflect.Uint32Kind, protoreflect.Fixed32Kind, protoreflect.Uint64Kind, protoreflect.Fixed64Kind:
+ return entries[i].key.Uint() < entries[j].key.Uint()
+ case protoreflect.StringKind:
+ return entries[i].key.String() < entries[j].key.String()
+ default:
+ panic("invalid kind")
+ }
+ })
+ for _, entry := range entries {
+ w.writeName(fd)
+ w.WriteByte('<')
+ if !w.compact {
+ w.WriteByte('\n')
+ }
+ w.indent++
+ w.writeName(kfd)
+ if err := w.writeSingularValue(entry.key, kfd); err != nil {
+ return err
+ }
+ w.WriteByte('\n')
+ w.writeName(vfd)
+ if err := w.writeSingularValue(entry.val, vfd); err != nil {
+ return err
+ }
+ w.WriteByte('\n')
+ w.indent--
+ w.WriteByte('>')
+ w.WriteByte('\n')
+ }
+ default:
+ w.writeName(fd)
+ if err := w.writeSingularValue(m.Get(fd), fd); err != nil {
+ return err
+ }
+ w.WriteByte('\n')
+ }
+ }
+
+ if b := m.GetUnknown(); len(b) > 0 {
+ w.writeUnknownFields(b)
+ }
+ return w.writeExtensions(m)
+}
+
+func (w *textWriter) writeSingularValue(v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
+ switch fd.Kind() {
+ case protoreflect.FloatKind, protoreflect.DoubleKind:
+ switch vf := v.Float(); {
+ case math.IsInf(vf, +1):
+ w.Write(posInf)
+ case math.IsInf(vf, -1):
+ w.Write(negInf)
+ case math.IsNaN(vf):
+ w.Write(nan)
+ default:
+ fmt.Fprint(w, v.Interface())
+ }
+ case protoreflect.StringKind:
+ // NOTE: This does not validate UTF-8 for historical reasons.
+ w.writeQuotedString(string(v.String()))
+ case protoreflect.BytesKind:
+ w.writeQuotedString(string(v.Bytes()))
+ case protoreflect.MessageKind, protoreflect.GroupKind:
+ var bra, ket byte = '<', '>'
+ if fd.Kind() == protoreflect.GroupKind {
+ bra, ket = '{', '}'
+ }
+ w.WriteByte(bra)
+ if !w.compact {
+ w.WriteByte('\n')
+ }
+ w.indent++
+ m := v.Message()
+ if m2, ok := m.Interface().(encoding.TextMarshaler); ok {
+ b, err := m2.MarshalText()
+ if err != nil {
+ return err
+ }
+ w.Write(b)
+ } else {
+ w.writeMessage(m)
+ }
+ w.indent--
+ w.WriteByte(ket)
+ case protoreflect.EnumKind:
+ if ev := fd.Enum().Values().ByNumber(v.Enum()); ev != nil {
+ fmt.Fprint(w, ev.Name())
+ } else {
+ fmt.Fprint(w, v.Enum())
+ }
+ default:
+ fmt.Fprint(w, v.Interface())
+ }
+ return nil
+}
+
+// writeQuotedString writes a quoted string in the protocol buffer text format.
+func (w *textWriter) writeQuotedString(s string) {
+ w.WriteByte('"')
+ for i := 0; i < len(s); i++ {
+ switch c := s[i]; c {
+ case '\n':
+ w.buf = append(w.buf, `\n`...)
+ case '\r':
+ w.buf = append(w.buf, `\r`...)
+ case '\t':
+ w.buf = append(w.buf, `\t`...)
+ case '"':
+ w.buf = append(w.buf, `\"`...)
+ case '\\':
+ w.buf = append(w.buf, `\\`...)
+ default:
+ if isPrint := c >= 0x20 && c < 0x7f; isPrint {
+ w.buf = append(w.buf, c)
+ } else {
+ w.buf = append(w.buf, fmt.Sprintf(`\%03o`, c)...)
+ }
+ }
+ }
+ w.WriteByte('"')
+}
+
+func (w *textWriter) writeUnknownFields(b []byte) {
+ if !w.compact {
+ fmt.Fprintf(w, "/* %d unknown bytes */\n", len(b))
+ }
+
+ for len(b) > 0 {
+ num, wtyp, n := protowire.ConsumeTag(b)
+ if n < 0 {
+ return
+ }
+ b = b[n:]
+
+ if wtyp == protowire.EndGroupType {
+ w.indent--
+ w.Write(endBraceNewline)
+ continue
+ }
+ fmt.Fprint(w, num)
+ if wtyp != protowire.StartGroupType {
+ w.WriteByte(':')
+ }
+ if !w.compact || wtyp == protowire.StartGroupType {
+ w.WriteByte(' ')
+ }
+ switch wtyp {
+ case protowire.VarintType:
+ v, n := protowire.ConsumeVarint(b)
+ if n < 0 {
+ return
+ }
+ b = b[n:]
+ fmt.Fprint(w, v)
+ case protowire.Fixed32Type:
+ v, n := protowire.ConsumeFixed32(b)
+ if n < 0 {
+ return
+ }
+ b = b[n:]
+ fmt.Fprint(w, v)
+ case protowire.Fixed64Type:
+ v, n := protowire.ConsumeFixed64(b)
+ if n < 0 {
+ return
+ }
+ b = b[n:]
+ fmt.Fprint(w, v)
+ case protowire.BytesType:
+ v, n := protowire.ConsumeBytes(b)
+ if n < 0 {
+ return
+ }
+ b = b[n:]
+ fmt.Fprintf(w, "%q", v)
+ case protowire.StartGroupType:
+ w.WriteByte('{')
+ w.indent++
+ default:
+ fmt.Fprintf(w, "/* unknown wire type %d */", wtyp)
+ }
+ w.WriteByte('\n')
+ }
+}
+
+// writeExtensions writes all the extensions in m.
+func (w *textWriter) writeExtensions(m protoreflect.Message) error {
+ md := m.Descriptor()
+ if md.ExtensionRanges().Len() == 0 {
+ return nil
+ }
+
+ type ext struct {
+ desc protoreflect.FieldDescriptor
+ val protoreflect.Value
+ }
+ var exts []ext
+ m.Range(func(fd protoreflect.FieldDescriptor, v protoreflect.Value) bool {
+ if fd.IsExtension() {
+ exts = append(exts, ext{fd, v})
+ }
+ return true
+ })
+ sort.Slice(exts, func(i, j int) bool {
+ return exts[i].desc.Number() < exts[j].desc.Number()
+ })
+
+ for _, ext := range exts {
+ // For message set, use the name of the message as the extension name.
+ name := string(ext.desc.FullName())
+ if isMessageSet(ext.desc.ContainingMessage()) {
+ name = strings.TrimSuffix(name, ".message_set_extension")
+ }
+
+ if !ext.desc.IsList() {
+ if err := w.writeSingularExtension(name, ext.val, ext.desc); err != nil {
+ return err
+ }
+ } else {
+ lv := ext.val.List()
+ for i := 0; i < lv.Len(); i++ {
+ if err := w.writeSingularExtension(name, lv.Get(i), ext.desc); err != nil {
+ return err
+ }
+ }
+ }
+ }
+ return nil
+}
+
+func (w *textWriter) writeSingularExtension(name string, v protoreflect.Value, fd protoreflect.FieldDescriptor) error {
+ fmt.Fprintf(w, "[%s]:", name)
+ if !w.compact {
+ w.WriteByte(' ')
+ }
+ if err := w.writeSingularValue(v, fd); err != nil {
+ return err
+ }
+ w.WriteByte('\n')
+ return nil
+}
+
+func (w *textWriter) writeIndent() {
+ if !w.complete {
+ return
+ }
+ for i := 0; i < w.indent*2; i++ {
+ w.buf = append(w.buf, ' ')
+ }
+ w.complete = false
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/wire.go b/demo_test/vendor/github.com/golang/protobuf/proto/wire.go
new file mode 100644
index 0000000..d7c28da
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/wire.go
@@ -0,0 +1,78 @@
+// 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 proto
+
+import (
+ protoV2 "google.golang.org/protobuf/proto"
+ "google.golang.org/protobuf/runtime/protoiface"
+)
+
+// Size returns the size in bytes of the wire-format encoding of m.
+func Size(m Message) int {
+ if m == nil {
+ return 0
+ }
+ mi := MessageV2(m)
+ return protoV2.Size(mi)
+}
+
+// Marshal returns the wire-format encoding of m.
+func Marshal(m Message) ([]byte, error) {
+ b, err := marshalAppend(nil, m, false)
+ if b == nil {
+ b = zeroBytes
+ }
+ return b, err
+}
+
+var zeroBytes = make([]byte, 0, 0)
+
+func marshalAppend(buf []byte, m Message, deterministic bool) ([]byte, error) {
+ if m == nil {
+ return nil, ErrNil
+ }
+ mi := MessageV2(m)
+ nbuf, err := protoV2.MarshalOptions{
+ Deterministic: deterministic,
+ AllowPartial: true,
+ }.MarshalAppend(buf, mi)
+ if err != nil {
+ return buf, err
+ }
+ if len(buf) == len(nbuf) {
+ if !mi.ProtoReflect().IsValid() {
+ return buf, ErrNil
+ }
+ }
+ return nbuf, checkRequiredNotSet(mi)
+}
+
+// Unmarshal parses a wire-format message in b and places the decoded results in m.
+//
+// Unmarshal resets m before starting to unmarshal, so any existing data in m is always
+// removed. Use UnmarshalMerge to preserve and append to existing data.
+func Unmarshal(b []byte, m Message) error {
+ m.Reset()
+ return UnmarshalMerge(b, m)
+}
+
+// UnmarshalMerge parses a wire-format message in b and places the decoded results in m.
+func UnmarshalMerge(b []byte, m Message) error {
+ mi := MessageV2(m)
+ out, err := protoV2.UnmarshalOptions{
+ AllowPartial: true,
+ Merge: true,
+ }.UnmarshalState(protoiface.UnmarshalInput{
+ Buf: b,
+ Message: mi.ProtoReflect(),
+ })
+ if err != nil {
+ return err
+ }
+ if out.Flags&protoiface.UnmarshalInitialized > 0 {
+ return nil
+ }
+ return checkRequiredNotSet(mi)
+}
diff --git a/demo_test/vendor/github.com/golang/protobuf/proto/wrappers.go b/demo_test/vendor/github.com/golang/protobuf/proto/wrappers.go
new file mode 100644
index 0000000..398e348
--- /dev/null
+++ b/demo_test/vendor/github.com/golang/protobuf/proto/wrappers.go
@@ -0,0 +1,34 @@
+// 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 proto
+
+// Bool stores v in a new bool value and returns a pointer to it.
+func Bool(v bool) *bool { return &v }
+
+// Int stores v in a new int32 value and returns a pointer to it.
+//
+// Deprecated: Use Int32 instead.
+func Int(v int) *int32 { return Int32(int32(v)) }
+
+// Int32 stores v in a new int32 value and returns a pointer to it.
+func Int32(v int32) *int32 { return &v }
+
+// Int64 stores v in a new int64 value and returns a pointer to it.
+func Int64(v int64) *int64 { return &v }
+
+// Uint32 stores v in a new uint32 value and returns a pointer to it.
+func Uint32(v uint32) *uint32 { return &v }
+
+// Uint64 stores v in a new uint64 value and returns a pointer to it.
+func Uint64(v uint64) *uint64 { return &v }
+
+// Float32 stores v in a new float32 value and returns a pointer to it.
+func Float32(v float32) *float32 { return &v }
+
+// Float64 stores v in a new float64 value and returns a pointer to it.
+func Float64(v float64) *float64 { return &v }
+
+// String stores v in a new string value and returns a pointer to it.
+func String(v string) *string { return &v }