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Diffstat (limited to 'vendor/google.golang.org/protobuf')
-rw-r--r--vendor/google.golang.org/protobuf/encoding/protojson/decode.go665
-rw-r--r--vendor/google.golang.org/protobuf/encoding/protojson/doc.go11
-rw-r--r--vendor/google.golang.org/protobuf/encoding/protojson/encode.go344
-rw-r--r--vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go889
-rw-r--r--vendor/google.golang.org/protobuf/internal/encoding/json/decode.go340
-rw-r--r--vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go254
-rw-r--r--vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go91
-rw-r--r--vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go192
-rw-r--r--vendor/google.golang.org/protobuf/internal/encoding/json/encode.go276
-rw-r--r--vendor/google.golang.org/protobuf/types/known/emptypb/empty.pb.go168
10 files changed, 3230 insertions, 0 deletions
diff --git a/vendor/google.golang.org/protobuf/encoding/protojson/decode.go b/vendor/google.golang.org/protobuf/encoding/protojson/decode.go
new file mode 100644
index 000000000..07da5db34
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/encoding/protojson/decode.go
@@ -0,0 +1,665 @@
+// 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 protojson
+
+import (
+ "encoding/base64"
+ "fmt"
+ "math"
+ "strconv"
+ "strings"
+
+ "google.golang.org/protobuf/internal/encoding/json"
+ "google.golang.org/protobuf/internal/encoding/messageset"
+ "google.golang.org/protobuf/internal/errors"
+ "google.golang.org/protobuf/internal/flags"
+ "google.golang.org/protobuf/internal/genid"
+ "google.golang.org/protobuf/internal/pragma"
+ "google.golang.org/protobuf/internal/set"
+ "google.golang.org/protobuf/proto"
+ pref "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/reflect/protoregistry"
+)
+
+// Unmarshal reads the given []byte into the given proto.Message.
+// The provided message must be mutable (e.g., a non-nil pointer to a message).
+func Unmarshal(b []byte, m proto.Message) error {
+ return UnmarshalOptions{}.Unmarshal(b, m)
+}
+
+// UnmarshalOptions is a configurable JSON format parser.
+type UnmarshalOptions struct {
+ pragma.NoUnkeyedLiterals
+
+ // If AllowPartial is set, input for messages that will result in missing
+ // required fields will not return an error.
+ AllowPartial bool
+
+ // If DiscardUnknown is set, unknown fields are ignored.
+ DiscardUnknown bool
+
+ // Resolver is used for looking up types when unmarshaling
+ // google.protobuf.Any messages or extension fields.
+ // If nil, this defaults to using protoregistry.GlobalTypes.
+ Resolver interface {
+ protoregistry.MessageTypeResolver
+ protoregistry.ExtensionTypeResolver
+ }
+}
+
+// Unmarshal reads the given []byte and populates the given proto.Message
+// using options in the UnmarshalOptions object.
+// It will clear the message first before setting the fields.
+// If it returns an error, the given message may be partially set.
+// The provided message must be mutable (e.g., a non-nil pointer to a message).
+func (o UnmarshalOptions) Unmarshal(b []byte, m proto.Message) error {
+ return o.unmarshal(b, m)
+}
+
+// unmarshal is a centralized function that all unmarshal operations go through.
+// For profiling purposes, avoid changing the name of this function or
+// introducing other code paths for unmarshal that do not go through this.
+func (o UnmarshalOptions) unmarshal(b []byte, m proto.Message) error {
+ proto.Reset(m)
+
+ if o.Resolver == nil {
+ o.Resolver = protoregistry.GlobalTypes
+ }
+
+ dec := decoder{json.NewDecoder(b), o}
+ if err := dec.unmarshalMessage(m.ProtoReflect(), false); err != nil {
+ return err
+ }
+
+ // Check for EOF.
+ tok, err := dec.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.EOF {
+ return dec.unexpectedTokenError(tok)
+ }
+
+ if o.AllowPartial {
+ return nil
+ }
+ return proto.CheckInitialized(m)
+}
+
+type decoder struct {
+ *json.Decoder
+ opts UnmarshalOptions
+}
+
+// newError returns an error object with position info.
+func (d decoder) newError(pos int, f string, x ...interface{}) error {
+ line, column := d.Position(pos)
+ head := fmt.Sprintf("(line %d:%d): ", line, column)
+ return errors.New(head+f, x...)
+}
+
+// unexpectedTokenError returns a syntax error for the given unexpected token.
+func (d decoder) unexpectedTokenError(tok json.Token) error {
+ return d.syntaxError(tok.Pos(), "unexpected token %s", tok.RawString())
+}
+
+// syntaxError returns a syntax error for given position.
+func (d decoder) syntaxError(pos int, f string, x ...interface{}) error {
+ line, column := d.Position(pos)
+ head := fmt.Sprintf("syntax error (line %d:%d): ", line, column)
+ return errors.New(head+f, x...)
+}
+
+// unmarshalMessage unmarshals a message into the given protoreflect.Message.
+func (d decoder) unmarshalMessage(m pref.Message, skipTypeURL bool) error {
+ if unmarshal := wellKnownTypeUnmarshaler(m.Descriptor().FullName()); unmarshal != nil {
+ return unmarshal(d, m)
+ }
+
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.ObjectOpen {
+ return d.unexpectedTokenError(tok)
+ }
+
+ messageDesc := m.Descriptor()
+ if !flags.ProtoLegacy && messageset.IsMessageSet(messageDesc) {
+ return errors.New("no support for proto1 MessageSets")
+ }
+
+ var seenNums set.Ints
+ var seenOneofs set.Ints
+ fieldDescs := messageDesc.Fields()
+ for {
+ // Read field name.
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ switch tok.Kind() {
+ default:
+ return d.unexpectedTokenError(tok)
+ case json.ObjectClose:
+ return nil
+ case json.Name:
+ // Continue below.
+ }
+
+ name := tok.Name()
+ // Unmarshaling a non-custom embedded message in Any will contain the
+ // JSON field "@type" which should be skipped because it is not a field
+ // of the embedded message, but simply an artifact of the Any format.
+ if skipTypeURL && name == "@type" {
+ d.Read()
+ continue
+ }
+
+ // Get the FieldDescriptor.
+ var fd pref.FieldDescriptor
+ if strings.HasPrefix(name, "[") && strings.HasSuffix(name, "]") {
+ // Only extension names are in [name] format.
+ extName := pref.FullName(name[1 : len(name)-1])
+ extType, err := d.opts.Resolver.FindExtensionByName(extName)
+ if err != nil && err != protoregistry.NotFound {
+ return d.newError(tok.Pos(), "unable to resolve %s: %v", tok.RawString(), err)
+ }
+ if extType != nil {
+ fd = extType.TypeDescriptor()
+ if !messageDesc.ExtensionRanges().Has(fd.Number()) || fd.ContainingMessage().FullName() != messageDesc.FullName() {
+ return d.newError(tok.Pos(), "message %v cannot be extended by %v", messageDesc.FullName(), fd.FullName())
+ }
+ }
+ } else {
+ // The name can either be the JSON name or the proto field name.
+ fd = fieldDescs.ByJSONName(name)
+ if fd == nil {
+ fd = fieldDescs.ByTextName(name)
+ }
+ }
+ if flags.ProtoLegacy {
+ if fd != nil && fd.IsWeak() && fd.Message().IsPlaceholder() {
+ fd = nil // reset since the weak reference is not linked in
+ }
+ }
+
+ if fd == nil {
+ // Field is unknown.
+ if d.opts.DiscardUnknown {
+ if err := d.skipJSONValue(); err != nil {
+ return err
+ }
+ continue
+ }
+ return d.newError(tok.Pos(), "unknown field %v", tok.RawString())
+ }
+
+ // Do not allow duplicate fields.
+ num := uint64(fd.Number())
+ if seenNums.Has(num) {
+ return d.newError(tok.Pos(), "duplicate field %v", tok.RawString())
+ }
+ seenNums.Set(num)
+
+ // No need to set values for JSON null unless the field type is
+ // google.protobuf.Value or google.protobuf.NullValue.
+ if tok, _ := d.Peek(); tok.Kind() == json.Null && !isKnownValue(fd) && !isNullValue(fd) {
+ d.Read()
+ continue
+ }
+
+ switch {
+ case fd.IsList():
+ list := m.Mutable(fd).List()
+ if err := d.unmarshalList(list, fd); err != nil {
+ return err
+ }
+ case fd.IsMap():
+ mmap := m.Mutable(fd).Map()
+ if err := d.unmarshalMap(mmap, fd); err != nil {
+ return err
+ }
+ default:
+ // If field is a oneof, check if it has already been set.
+ if od := fd.ContainingOneof(); od != nil {
+ idx := uint64(od.Index())
+ if seenOneofs.Has(idx) {
+ return d.newError(tok.Pos(), "error parsing %s, oneof %v is already set", tok.RawString(), od.FullName())
+ }
+ seenOneofs.Set(idx)
+ }
+
+ // Required or optional fields.
+ if err := d.unmarshalSingular(m, fd); err != nil {
+ return err
+ }
+ }
+ }
+}
+
+func isKnownValue(fd pref.FieldDescriptor) bool {
+ md := fd.Message()
+ return md != nil && md.FullName() == genid.Value_message_fullname
+}
+
+func isNullValue(fd pref.FieldDescriptor) bool {
+ ed := fd.Enum()
+ return ed != nil && ed.FullName() == genid.NullValue_enum_fullname
+}
+
+// unmarshalSingular unmarshals to the non-repeated field specified
+// by the given FieldDescriptor.
+func (d decoder) unmarshalSingular(m pref.Message, fd pref.FieldDescriptor) error {
+ var val pref.Value
+ var err error
+ switch fd.Kind() {
+ case pref.MessageKind, pref.GroupKind:
+ val = m.NewField(fd)
+ err = d.unmarshalMessage(val.Message(), false)
+ default:
+ val, err = d.unmarshalScalar(fd)
+ }
+
+ if err != nil {
+ return err
+ }
+ m.Set(fd, val)
+ return nil
+}
+
+// unmarshalScalar unmarshals to a scalar/enum protoreflect.Value specified by
+// the given FieldDescriptor.
+func (d decoder) unmarshalScalar(fd pref.FieldDescriptor) (pref.Value, error) {
+ const b32 int = 32
+ const b64 int = 64
+
+ tok, err := d.Read()
+ if err != nil {
+ return pref.Value{}, err
+ }
+
+ kind := fd.Kind()
+ switch kind {
+ case pref.BoolKind:
+ if tok.Kind() == json.Bool {
+ return pref.ValueOfBool(tok.Bool()), nil
+ }
+
+ case pref.Int32Kind, pref.Sint32Kind, pref.Sfixed32Kind:
+ if v, ok := unmarshalInt(tok, b32); ok {
+ return v, nil
+ }
+
+ case pref.Int64Kind, pref.Sint64Kind, pref.Sfixed64Kind:
+ if v, ok := unmarshalInt(tok, b64); ok {
+ return v, nil
+ }
+
+ case pref.Uint32Kind, pref.Fixed32Kind:
+ if v, ok := unmarshalUint(tok, b32); ok {
+ return v, nil
+ }
+
+ case pref.Uint64Kind, pref.Fixed64Kind:
+ if v, ok := unmarshalUint(tok, b64); ok {
+ return v, nil
+ }
+
+ case pref.FloatKind:
+ if v, ok := unmarshalFloat(tok, b32); ok {
+ return v, nil
+ }
+
+ case pref.DoubleKind:
+ if v, ok := unmarshalFloat(tok, b64); ok {
+ return v, nil
+ }
+
+ case pref.StringKind:
+ if tok.Kind() == json.String {
+ return pref.ValueOfString(tok.ParsedString()), nil
+ }
+
+ case pref.BytesKind:
+ if v, ok := unmarshalBytes(tok); ok {
+ return v, nil
+ }
+
+ case pref.EnumKind:
+ if v, ok := unmarshalEnum(tok, fd); ok {
+ return v, nil
+ }
+
+ default:
+ panic(fmt.Sprintf("unmarshalScalar: invalid scalar kind %v", kind))
+ }
+
+ return pref.Value{}, d.newError(tok.Pos(), "invalid value for %v type: %v", kind, tok.RawString())
+}
+
+func unmarshalInt(tok json.Token, bitSize int) (pref.Value, bool) {
+ switch tok.Kind() {
+ case json.Number:
+ return getInt(tok, bitSize)
+
+ case json.String:
+ // Decode number from string.
+ s := strings.TrimSpace(tok.ParsedString())
+ if len(s) != len(tok.ParsedString()) {
+ return pref.Value{}, false
+ }
+ dec := json.NewDecoder([]byte(s))
+ tok, err := dec.Read()
+ if err != nil {
+ return pref.Value{}, false
+ }
+ return getInt(tok, bitSize)
+ }
+ return pref.Value{}, false
+}
+
+func getInt(tok json.Token, bitSize int) (pref.Value, bool) {
+ n, ok := tok.Int(bitSize)
+ if !ok {
+ return pref.Value{}, false
+ }
+ if bitSize == 32 {
+ return pref.ValueOfInt32(int32(n)), true
+ }
+ return pref.ValueOfInt64(n), true
+}
+
+func unmarshalUint(tok json.Token, bitSize int) (pref.Value, bool) {
+ switch tok.Kind() {
+ case json.Number:
+ return getUint(tok, bitSize)
+
+ case json.String:
+ // Decode number from string.
+ s := strings.TrimSpace(tok.ParsedString())
+ if len(s) != len(tok.ParsedString()) {
+ return pref.Value{}, false
+ }
+ dec := json.NewDecoder([]byte(s))
+ tok, err := dec.Read()
+ if err != nil {
+ return pref.Value{}, false
+ }
+ return getUint(tok, bitSize)
+ }
+ return pref.Value{}, false
+}
+
+func getUint(tok json.Token, bitSize int) (pref.Value, bool) {
+ n, ok := tok.Uint(bitSize)
+ if !ok {
+ return pref.Value{}, false
+ }
+ if bitSize == 32 {
+ return pref.ValueOfUint32(uint32(n)), true
+ }
+ return pref.ValueOfUint64(n), true
+}
+
+func unmarshalFloat(tok json.Token, bitSize int) (pref.Value, bool) {
+ switch tok.Kind() {
+ case json.Number:
+ return getFloat(tok, bitSize)
+
+ case json.String:
+ s := tok.ParsedString()
+ switch s {
+ case "NaN":
+ if bitSize == 32 {
+ return pref.ValueOfFloat32(float32(math.NaN())), true
+ }
+ return pref.ValueOfFloat64(math.NaN()), true
+ case "Infinity":
+ if bitSize == 32 {
+ return pref.ValueOfFloat32(float32(math.Inf(+1))), true
+ }
+ return pref.ValueOfFloat64(math.Inf(+1)), true
+ case "-Infinity":
+ if bitSize == 32 {
+ return pref.ValueOfFloat32(float32(math.Inf(-1))), true
+ }
+ return pref.ValueOfFloat64(math.Inf(-1)), true
+ }
+
+ // Decode number from string.
+ if len(s) != len(strings.TrimSpace(s)) {
+ return pref.Value{}, false
+ }
+ dec := json.NewDecoder([]byte(s))
+ tok, err := dec.Read()
+ if err != nil {
+ return pref.Value{}, false
+ }
+ return getFloat(tok, bitSize)
+ }
+ return pref.Value{}, false
+}
+
+func getFloat(tok json.Token, bitSize int) (pref.Value, bool) {
+ n, ok := tok.Float(bitSize)
+ if !ok {
+ return pref.Value{}, false
+ }
+ if bitSize == 32 {
+ return pref.ValueOfFloat32(float32(n)), true
+ }
+ return pref.ValueOfFloat64(n), true
+}
+
+func unmarshalBytes(tok json.Token) (pref.Value, bool) {
+ if tok.Kind() != json.String {
+ return pref.Value{}, false
+ }
+
+ s := tok.ParsedString()
+ enc := base64.StdEncoding
+ if strings.ContainsAny(s, "-_") {
+ enc = base64.URLEncoding
+ }
+ if len(s)%4 != 0 {
+ enc = enc.WithPadding(base64.NoPadding)
+ }
+ b, err := enc.DecodeString(s)
+ if err != nil {
+ return pref.Value{}, false
+ }
+ return pref.ValueOfBytes(b), true
+}
+
+func unmarshalEnum(tok json.Token, fd pref.FieldDescriptor) (pref.Value, bool) {
+ switch tok.Kind() {
+ case json.String:
+ // Lookup EnumNumber based on name.
+ s := tok.ParsedString()
+ if enumVal := fd.Enum().Values().ByName(pref.Name(s)); enumVal != nil {
+ return pref.ValueOfEnum(enumVal.Number()), true
+ }
+
+ case json.Number:
+ if n, ok := tok.Int(32); ok {
+ return pref.ValueOfEnum(pref.EnumNumber(n)), true
+ }
+
+ case json.Null:
+ // This is only valid for google.protobuf.NullValue.
+ if isNullValue(fd) {
+ return pref.ValueOfEnum(0), true
+ }
+ }
+
+ return pref.Value{}, false
+}
+
+func (d decoder) unmarshalList(list pref.List, fd pref.FieldDescriptor) error {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.ArrayOpen {
+ return d.unexpectedTokenError(tok)
+ }
+
+ switch fd.Kind() {
+ case pref.MessageKind, pref.GroupKind:
+ for {
+ tok, err := d.Peek()
+ if err != nil {
+ return err
+ }
+
+ if tok.Kind() == json.ArrayClose {
+ d.Read()
+ return nil
+ }
+
+ val := list.NewElement()
+ if err := d.unmarshalMessage(val.Message(), false); err != nil {
+ return err
+ }
+ list.Append(val)
+ }
+ default:
+ for {
+ tok, err := d.Peek()
+ if err != nil {
+ return err
+ }
+
+ if tok.Kind() == json.ArrayClose {
+ d.Read()
+ return nil
+ }
+
+ val, err := d.unmarshalScalar(fd)
+ if err != nil {
+ return err
+ }
+ list.Append(val)
+ }
+ }
+
+ return nil
+}
+
+func (d decoder) unmarshalMap(mmap pref.Map, fd pref.FieldDescriptor) error {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.ObjectOpen {
+ return d.unexpectedTokenError(tok)
+ }
+
+ // Determine ahead whether map entry is a scalar type or a message type in
+ // order to call the appropriate unmarshalMapValue func inside the for loop
+ // below.
+ var unmarshalMapValue func() (pref.Value, error)
+ switch fd.MapValue().Kind() {
+ case pref.MessageKind, pref.GroupKind:
+ unmarshalMapValue = func() (pref.Value, error) {
+ val := mmap.NewValue()
+ if err := d.unmarshalMessage(val.Message(), false); err != nil {
+ return pref.Value{}, err
+ }
+ return val, nil
+ }
+ default:
+ unmarshalMapValue = func() (pref.Value, error) {
+ return d.unmarshalScalar(fd.MapValue())
+ }
+ }
+
+Loop:
+ for {
+ // Read field name.
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ switch tok.Kind() {
+ default:
+ return d.unexpectedTokenError(tok)
+ case json.ObjectClose:
+ break Loop
+ case json.Name:
+ // Continue.
+ }
+
+ // Unmarshal field name.
+ pkey, err := d.unmarshalMapKey(tok, fd.MapKey())
+ if err != nil {
+ return err
+ }
+
+ // Check for duplicate field name.
+ if mmap.Has(pkey) {
+ return d.newError(tok.Pos(), "duplicate map key %v", tok.RawString())
+ }
+
+ // Read and unmarshal field value.
+ pval, err := unmarshalMapValue()
+ if err != nil {
+ return err
+ }
+
+ mmap.Set(pkey, pval)
+ }
+
+ return nil
+}
+
+// unmarshalMapKey converts given token of Name kind into a protoreflect.MapKey.
+// A map key type is any integral or string type.
+func (d decoder) unmarshalMapKey(tok json.Token, fd pref.FieldDescriptor) (pref.MapKey, error) {
+ const b32 = 32
+ const b64 = 64
+ const base10 = 10
+
+ name := tok.Name()
+ kind := fd.Kind()
+ switch kind {
+ case pref.StringKind:
+ return pref.ValueOfString(name).MapKey(), nil
+
+ case pref.BoolKind:
+ switch name {
+ case "true":
+ return pref.ValueOfBool(true).MapKey(), nil
+ case "false":
+ return pref.ValueOfBool(false).MapKey(), nil
+ }
+
+ case pref.Int32Kind, pref.Sint32Kind, pref.Sfixed32Kind:
+ if n, err := strconv.ParseInt(name, base10, b32); err == nil {
+ return pref.ValueOfInt32(int32(n)).MapKey(), nil
+ }
+
+ case pref.Int64Kind, pref.Sint64Kind, pref.Sfixed64Kind:
+ if n, err := strconv.ParseInt(name, base10, b64); err == nil {
+ return pref.ValueOfInt64(int64(n)).MapKey(), nil
+ }
+
+ case pref.Uint32Kind, pref.Fixed32Kind:
+ if n, err := strconv.ParseUint(name, base10, b32); err == nil {
+ return pref.ValueOfUint32(uint32(n)).MapKey(), nil
+ }
+
+ case pref.Uint64Kind, pref.Fixed64Kind:
+ if n, err := strconv.ParseUint(name, base10, b64); err == nil {
+ return pref.ValueOfUint64(uint64(n)).MapKey(), nil
+ }
+
+ default:
+ panic(fmt.Sprintf("invalid kind for map key: %v", kind))
+ }
+
+ return pref.MapKey{}, d.newError(tok.Pos(), "invalid value for %v key: %s", kind, tok.RawString())
+}
diff --git a/vendor/google.golang.org/protobuf/encoding/protojson/doc.go b/vendor/google.golang.org/protobuf/encoding/protojson/doc.go
new file mode 100644
index 000000000..00ea2fecf
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/encoding/protojson/doc.go
@@ -0,0 +1,11 @@
+// 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 protojson marshals and unmarshals protocol buffer messages as JSON
+// format. It follows the guide at
+// https://developers.google.com/protocol-buffers/docs/proto3#json.
+//
+// This package produces a different output than the standard "encoding/json"
+// package, which does not operate correctly on protocol buffer messages.
+package protojson
diff --git a/vendor/google.golang.org/protobuf/encoding/protojson/encode.go b/vendor/google.golang.org/protobuf/encoding/protojson/encode.go
new file mode 100644
index 000000000..ba971f078
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/encoding/protojson/encode.go
@@ -0,0 +1,344 @@
+// 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 protojson
+
+import (
+ "encoding/base64"
+ "fmt"
+
+ "google.golang.org/protobuf/internal/encoding/json"
+ "google.golang.org/protobuf/internal/encoding/messageset"
+ "google.golang.org/protobuf/internal/errors"
+ "google.golang.org/protobuf/internal/filedesc"
+ "google.golang.org/protobuf/internal/flags"
+ "google.golang.org/protobuf/internal/genid"
+ "google.golang.org/protobuf/internal/order"
+ "google.golang.org/protobuf/internal/pragma"
+ "google.golang.org/protobuf/proto"
+ "google.golang.org/protobuf/reflect/protoreflect"
+ pref "google.golang.org/protobuf/reflect/protoreflect"
+ "google.golang.org/protobuf/reflect/protoregistry"
+)
+
+const defaultIndent = " "
+
+// Format formats the message as a multiline string.
+// This function is only intended for human consumption and ignores errors.
+// Do not depend on the output being stable. It may change over time across
+// different versions of the program.
+func Format(m proto.Message) string {
+ return MarshalOptions{Multiline: true}.Format(m)
+}
+
+// Marshal writes the given proto.Message in JSON format using default options.
+// Do not depend on the output being stable. It may change over time across
+// different versions of the program.
+func Marshal(m proto.Message) ([]byte, error) {
+ return MarshalOptions{}.Marshal(m)
+}
+
+// MarshalOptions is a configurable JSON format marshaler.
+type MarshalOptions struct {
+ pragma.NoUnkeyedLiterals
+
+ // Multiline specifies whether the marshaler should format the output in
+ // indented-form with every textual element on a new line.
+ // If Indent is an empty string, then an arbitrary indent is chosen.
+ Multiline bool
+
+ // Indent specifies the set of indentation characters to use in a multiline
+ // formatted output such that every entry is preceded by Indent and
+ // terminated by a newline. If non-empty, then Multiline is treated as true.
+ // Indent can only be composed of space or tab characters.
+ Indent string
+
+ // AllowPartial allows messages that have missing required fields to marshal
+ // without returning an error. If AllowPartial is false (the default),
+ // Marshal will return error if there are any missing required fields.
+ AllowPartial bool
+
+ // UseProtoNames uses proto field name instead of lowerCamelCase name in JSON
+ // field names.
+ UseProtoNames bool
+
+ // UseEnumNumbers emits enum values as numbers.
+ UseEnumNumbers bool
+
+ // EmitUnpopulated specifies whether to emit unpopulated fields. It does not
+ // emit unpopulated oneof fields or unpopulated extension fields.
+ // The JSON value emitted for unpopulated fields are as follows:
+ // ╔═══════╤════════════════════════════╗
+ // ║ JSON │ Protobuf field ║
+ // ╠═══════╪════════════════════════════╣
+ // ║ false │ proto3 boolean fields ║
+ // ║ 0 │ proto3 numeric fields ║
+ // ║ "" │ proto3 string/bytes fields ║
+ // ║ null │ proto2 scalar fields ║
+ // ║ null │ message fields ║
+ // ║ [] │ list fields ║
+ // ║ {} │ map fields ║
+ // ╚═══════╧════════════════════════════╝
+ EmitUnpopulated bool
+
+ // Resolver is used for looking up types when expanding google.protobuf.Any
+ // messages. If nil, this defaults to using protoregistry.GlobalTypes.
+ Resolver interface {
+ protoregistry.ExtensionTypeResolver
+ protoregistry.MessageTypeResolver
+ }
+}
+
+// Format formats the message as a string.
+// This method is only intended for human consumption and ignores errors.
+// Do not depend on the output being stable. It may change over time across
+// different versions of the program.
+func (o MarshalOptions) Format(m proto.Message) string {
+ if m == nil || !m.ProtoReflect().IsValid() {
+ return "<nil>" // invalid syntax, but okay since this is for debugging
+ }
+ o.AllowPartial = true
+ b, _ := o.Marshal(m)
+ return string(b)
+}
+
+// Marshal marshals the given proto.Message in the JSON format using options in
+// MarshalOptions. Do not depend on the output being stable. It may change over
+// time across different versions of the program.
+func (o MarshalOptions) Marshal(m proto.Message) ([]byte, error) {
+ return o.marshal(m)
+}
+
+// marshal is a centralized function that all marshal operations go through.
+// For profiling purposes, avoid changing the name of this function or
+// introducing other code paths for marshal that do not go through this.
+func (o MarshalOptions) marshal(m proto.Message) ([]byte, error) {
+ if o.Multiline && o.Indent == "" {
+ o.Indent = defaultIndent
+ }
+ if o.Resolver == nil {
+ o.Resolver = protoregistry.GlobalTypes
+ }
+
+ internalEnc, err := json.NewEncoder(o.Indent)
+ if err != nil {
+ return nil, err
+ }
+
+ // Treat nil message interface as an empty message,
+ // in which case the output in an empty JSON object.
+ if m == nil {
+ return []byte("{}"), nil
+ }
+
+ enc := encoder{internalEnc, o}
+ if err := enc.marshalMessage(m.ProtoReflect(), ""); err != nil {
+ return nil, err
+ }
+ if o.AllowPartial {
+ return enc.Bytes(), nil
+ }
+ return enc.Bytes(), proto.CheckInitialized(m)
+}
+
+type encoder struct {
+ *json.Encoder
+ opts MarshalOptions
+}
+
+// typeFieldDesc is a synthetic field descriptor used for the "@type" field.
+var typeFieldDesc = func() protoreflect.FieldDescriptor {
+ var fd filedesc.Field
+ fd.L0.FullName = "@type"
+ fd.L0.Index = -1
+ fd.L1.Cardinality = protoreflect.Optional
+ fd.L1.Kind = protoreflect.StringKind
+ return &fd
+}()
+
+// typeURLFieldRanger wraps a protoreflect.Message and modifies its Range method
+// to additionally iterate over a synthetic field for the type URL.
+type typeURLFieldRanger struct {
+ order.FieldRanger
+ typeURL string
+}
+
+func (m typeURLFieldRanger) Range(f func(pref.FieldDescriptor, pref.Value) bool) {
+ if !f(typeFieldDesc, pref.ValueOfString(m.typeURL)) {
+ return
+ }
+ m.FieldRanger.Range(f)
+}
+
+// unpopulatedFieldRanger wraps a protoreflect.Message and modifies its Range
+// method to additionally iterate over unpopulated fields.
+type unpopulatedFieldRanger struct{ pref.Message }
+
+func (m unpopulatedFieldRanger) Range(f func(pref.FieldDescriptor, pref.Value) bool) {
+ fds := m.Descriptor().Fields()
+ for i := 0; i < fds.Len(); i++ {
+ fd := fds.Get(i)
+ if m.Has(fd) || fd.ContainingOneof() != nil {
+ continue // ignore populated fields and fields within a oneofs
+ }
+
+ v := m.Get(fd)
+ isProto2Scalar := fd.Syntax() == pref.Proto2 && fd.Default().IsValid()
+ isSingularMessage := fd.Cardinality() != pref.Repeated && fd.Message() != nil
+ if isProto2Scalar || isSingularMessage {
+ v = pref.Value{} // use invalid value to emit null
+ }
+ if !f(fd, v) {
+ return
+ }
+ }
+ m.Message.Range(f)
+}
+
+// marshalMessage marshals the fields in the given protoreflect.Message.
+// If the typeURL is non-empty, then a synthetic "@type" field is injected
+// containing the URL as the value.
+func (e encoder) marshalMessage(m pref.Message, typeURL string) error {
+ if !flags.ProtoLegacy && messageset.IsMessageSet(m.Descriptor()) {
+ return errors.New("no support for proto1 MessageSets")
+ }
+
+ if marshal := wellKnownTypeMarshaler(m.Descriptor().FullName()); marshal != nil {
+ return marshal(e, m)
+ }
+
+ e.StartObject()
+ defer e.EndObject()
+
+ var fields order.FieldRanger = m
+ if e.opts.EmitUnpopulated {
+ fields = unpopulatedFieldRanger{m}
+ }
+ if typeURL != "" {
+ fields = typeURLFieldRanger{fields, typeURL}
+ }
+
+ var err error
+ order.RangeFields(fields, order.IndexNameFieldOrder, func(fd pref.FieldDescriptor, v pref.Value) bool {
+ name := fd.JSONName()
+ if e.opts.UseProtoNames {
+ name = fd.TextName()
+ }
+
+ if err = e.WriteName(name); err != nil {
+ return false
+ }
+ if err = e.marshalValue(v, fd); err != nil {
+ return false
+ }
+ return true
+ })
+ return err
+}
+
+// marshalValue marshals the given protoreflect.Value.
+func (e encoder) marshalValue(val pref.Value, fd pref.FieldDescriptor) error {
+ switch {
+ case fd.IsList():
+ return e.marshalList(val.List(), fd)
+ case fd.IsMap():
+ return e.marshalMap(val.Map(), fd)
+ default:
+ return e.marshalSingular(val, fd)
+ }
+}
+
+// marshalSingular marshals the given non-repeated field value. This includes
+// all scalar types, enums, messages, and groups.
+func (e encoder) marshalSingular(val pref.Value, fd pref.FieldDescriptor) error {
+ if !val.IsValid() {
+ e.WriteNull()
+ return nil
+ }
+
+ switch kind := fd.Kind(); kind {
+ case pref.BoolKind:
+ e.WriteBool(val.Bool())
+
+ case pref.StringKind:
+ if e.WriteString(val.String()) != nil {
+ return errors.InvalidUTF8(string(fd.FullName()))
+ }
+
+ case pref.Int32Kind, pref.Sint32Kind, pref.Sfixed32Kind:
+ e.WriteInt(val.Int())
+
+ case pref.Uint32Kind, pref.Fixed32Kind:
+ e.WriteUint(val.Uint())
+
+ case pref.Int64Kind, pref.Sint64Kind, pref.Uint64Kind,
+ pref.Sfixed64Kind, pref.Fixed64Kind:
+ // 64-bit integers are written out as JSON string.
+ e.WriteString(val.String())
+
+ case pref.FloatKind:
+ // Encoder.WriteFloat handles the special numbers NaN and infinites.
+ e.WriteFloat(val.Float(), 32)
+
+ case pref.DoubleKind:
+ // Encoder.WriteFloat handles the special numbers NaN and infinites.
+ e.WriteFloat(val.Float(), 64)
+
+ case pref.BytesKind:
+ e.WriteString(base64.StdEncoding.EncodeToString(val.Bytes()))
+
+ case pref.EnumKind:
+ if fd.Enum().FullName() == genid.NullValue_enum_fullname {
+ e.WriteNull()
+ } else {
+ desc := fd.Enum().Values().ByNumber(val.Enum())
+ if e.opts.UseEnumNumbers || desc == nil {
+ e.WriteInt(int64(val.Enum()))
+ } else {
+ e.WriteString(string(desc.Name()))
+ }
+ }
+
+ case pref.MessageKind, pref.GroupKind:
+ if err := e.marshalMessage(val.Message(), ""); err != nil {
+ return err
+ }
+
+ default:
+ panic(fmt.Sprintf("%v has unknown kind: %v", fd.FullName(), kind))
+ }
+ return nil
+}
+
+// marshalList marshals the given protoreflect.List.
+func (e encoder) marshalList(list pref.List, fd pref.FieldDescriptor) error {
+ e.StartArray()
+ defer e.EndArray()
+
+ for i := 0; i < list.Len(); i++ {
+ item := list.Get(i)
+ if err := e.marshalSingular(item, fd); err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// marshalMap marshals given protoreflect.Map.
+func (e encoder) marshalMap(mmap pref.Map, fd pref.FieldDescriptor) error {
+ e.StartObject()
+ defer e.EndObject()
+
+ var err error
+ order.RangeEntries(mmap, order.GenericKeyOrder, func(k pref.MapKey, v pref.Value) bool {
+ if err = e.WriteName(k.String()); err != nil {
+ return false
+ }
+ if err = e.marshalSingular(v, fd.MapValue()); err != nil {
+ return false
+ }
+ return true
+ })
+ return err
+}
diff --git a/vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go b/vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go
new file mode 100644
index 000000000..72924a905
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/encoding/protojson/well_known_types.go
@@ -0,0 +1,889 @@
+// 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 protojson
+
+import (
+ "bytes"
+ "fmt"
+ "math"
+ "strconv"
+ "strings"
+ "time"
+
+ "google.golang.org/protobuf/internal/encoding/json"
+ "google.golang.org/protobuf/internal/errors"
+ "google.golang.org/protobuf/internal/genid"
+ "google.golang.org/protobuf/internal/strs"
+ "google.golang.org/protobuf/proto"
+ pref "google.golang.org/protobuf/reflect/protoreflect"
+)
+
+type marshalFunc func(encoder, pref.Message) error
+
+// wellKnownTypeMarshaler returns a marshal function if the message type
+// has specialized serialization behavior. It returns nil otherwise.
+func wellKnownTypeMarshaler(name pref.FullName) marshalFunc {
+ if name.Parent() == genid.GoogleProtobuf_package {
+ switch name.Name() {
+ case genid.Any_message_name:
+ return encoder.marshalAny
+ case genid.Timestamp_message_name:
+ return encoder.marshalTimestamp
+ case genid.Duration_message_name:
+ return encoder.marshalDuration
+ case genid.BoolValue_message_name,
+ genid.Int32Value_message_name,
+ genid.Int64Value_message_name,
+ genid.UInt32Value_message_name,
+ genid.UInt64Value_message_name,
+ genid.FloatValue_message_name,
+ genid.DoubleValue_message_name,
+ genid.StringValue_message_name,
+ genid.BytesValue_message_name:
+ return encoder.marshalWrapperType
+ case genid.Struct_message_name:
+ return encoder.marshalStruct
+ case genid.ListValue_message_name:
+ return encoder.marshalListValue
+ case genid.Value_message_name:
+ return encoder.marshalKnownValue
+ case genid.FieldMask_message_name:
+ return encoder.marshalFieldMask
+ case genid.Empty_message_name:
+ return encoder.marshalEmpty
+ }
+ }
+ return nil
+}
+
+type unmarshalFunc func(decoder, pref.Message) error
+
+// wellKnownTypeUnmarshaler returns a unmarshal function if the message type
+// has specialized serialization behavior. It returns nil otherwise.
+func wellKnownTypeUnmarshaler(name pref.FullName) unmarshalFunc {
+ if name.Parent() == genid.GoogleProtobuf_package {
+ switch name.Name() {
+ case genid.Any_message_name:
+ return decoder.unmarshalAny
+ case genid.Timestamp_message_name:
+ return decoder.unmarshalTimestamp
+ case genid.Duration_message_name:
+ return decoder.unmarshalDuration
+ case genid.BoolValue_message_name,
+ genid.Int32Value_message_name,
+ genid.Int64Value_message_name,
+ genid.UInt32Value_message_name,
+ genid.UInt64Value_message_name,
+ genid.FloatValue_message_name,
+ genid.DoubleValue_message_name,
+ genid.StringValue_message_name,
+ genid.BytesValue_message_name:
+ return decoder.unmarshalWrapperType
+ case genid.Struct_message_name:
+ return decoder.unmarshalStruct
+ case genid.ListValue_message_name:
+ return decoder.unmarshalListValue
+ case genid.Value_message_name:
+ return decoder.unmarshalKnownValue
+ case genid.FieldMask_message_name:
+ return decoder.unmarshalFieldMask
+ case genid.Empty_message_name:
+ return decoder.unmarshalEmpty
+ }
+ }
+ return nil
+}
+
+// The JSON representation of an Any message uses the regular representation of
+// the deserialized, embedded message, with an additional field `@type` which
+// contains the type URL. If the embedded message type is well-known and has a
+// custom JSON representation, that representation will be embedded adding a
+// field `value` which holds the custom JSON in addition to the `@type` field.
+
+func (e encoder) marshalAny(m pref.Message) error {
+ fds := m.Descriptor().Fields()
+ fdType := fds.ByNumber(genid.Any_TypeUrl_field_number)
+ fdValue := fds.ByNumber(genid.Any_Value_field_number)
+
+ if !m.Has(fdType) {
+ if !m.Has(fdValue) {
+ // If message is empty, marshal out empty JSON object.
+ e.StartObject()
+ e.EndObject()
+ return nil
+ } else {
+ // Return error if type_url field is not set, but value is set.
+ return errors.New("%s: %v is not set", genid.Any_message_fullname, genid.Any_TypeUrl_field_name)
+ }
+ }
+
+ typeVal := m.Get(fdType)
+ valueVal := m.Get(fdValue)
+
+ // Resolve the type in order to unmarshal value field.
+ typeURL := typeVal.String()
+ emt, err := e.opts.Resolver.FindMessageByURL(typeURL)
+ if err != nil {
+ return errors.New("%s: unable to resolve %q: %v", genid.Any_message_fullname, typeURL, err)
+ }
+
+ em := emt.New()
+ err = proto.UnmarshalOptions{
+ AllowPartial: true, // never check required fields inside an Any
+ Resolver: e.opts.Resolver,
+ }.Unmarshal(valueVal.Bytes(), em.Interface())
+ if err != nil {
+ return errors.New("%s: unable to unmarshal %q: %v", genid.Any_message_fullname, typeURL, err)
+ }
+
+ // If type of value has custom JSON encoding, marshal out a field "value"
+ // with corresponding custom JSON encoding of the embedded message as a
+ // field.
+ if marshal := wellKnownTypeMarshaler(emt.Descriptor().FullName()); marshal != nil {
+ e.StartObject()
+ defer e.EndObject()
+
+ // Marshal out @type field.
+ e.WriteName("@type")
+ if err := e.WriteString(typeURL); err != nil {
+ return err
+ }
+
+ e.WriteName("value")
+ return marshal(e, em)
+ }
+
+ // Else, marshal out the embedded message's fields in this Any object.
+ if err := e.marshalMessage(em, typeURL); err != nil {
+ return err
+ }
+
+ return nil
+}
+
+func (d decoder) unmarshalAny(m pref.Message) error {
+ // Peek to check for json.ObjectOpen to avoid advancing a read.
+ start, err := d.Peek()
+ if err != nil {
+ return err
+ }
+ if start.Kind() != json.ObjectOpen {
+ return d.unexpectedTokenError(start)
+ }
+
+ // Use another decoder to parse the unread bytes for @type field. This
+ // avoids advancing a read from current decoder because the current JSON
+ // object may contain the fields of the embedded type.
+ dec := decoder{d.Clone(), UnmarshalOptions{}}
+ tok, err := findTypeURL(dec)
+ switch err {
+ case errEmptyObject:
+ // An empty JSON object translates to an empty Any message.
+ d.Read() // Read json.ObjectOpen.
+ d.Read() // Read json.ObjectClose.
+ return nil
+
+ case errMissingType:
+ if d.opts.DiscardUnknown {
+ // Treat all fields as unknowns, similar to an empty object.
+ return d.skipJSONValue()
+ }
+ // Use start.Pos() for line position.
+ return d.newError(start.Pos(), err.Error())
+
+ default:
+ if err != nil {
+ return err
+ }
+ }
+
+ typeURL := tok.ParsedString()
+ emt, err := d.opts.Resolver.FindMessageByURL(typeURL)
+ if err != nil {
+ return d.newError(tok.Pos(), "unable to resolve %v: %q", tok.RawString(), err)
+ }
+
+ // Create new message for the embedded message type and unmarshal into it.
+ em := emt.New()
+ if unmarshal := wellKnownTypeUnmarshaler(emt.Descriptor().FullName()); unmarshal != nil {
+ // If embedded message is a custom type,
+ // unmarshal the JSON "value" field into it.
+ if err := d.unmarshalAnyValue(unmarshal, em); err != nil {
+ return err
+ }
+ } else {
+ // Else unmarshal the current JSON object into it.
+ if err := d.unmarshalMessage(em, true); err != nil {
+ return err
+ }
+ }
+ // Serialize the embedded message and assign the resulting bytes to the
+ // proto value field.
+ b, err := proto.MarshalOptions{
+ AllowPartial: true, // No need to check required fields inside an Any.
+ Deterministic: true,
+ }.Marshal(em.Interface())
+ if err != nil {
+ return d.newError(start.Pos(), "error in marshaling Any.value field: %v", err)
+ }
+
+ fds := m.Descriptor().Fields()
+ fdType := fds.ByNumber(genid.Any_TypeUrl_field_number)
+ fdValue := fds.ByNumber(genid.Any_Value_field_number)
+
+ m.Set(fdType, pref.ValueOfString(typeURL))
+ m.Set(fdValue, pref.ValueOfBytes(b))
+ return nil
+}
+
+var errEmptyObject = fmt.Errorf(`empty object`)
+var errMissingType = fmt.Errorf(`missing "@type" field`)
+
+// findTypeURL returns the token for the "@type" field value from the given
+// JSON bytes. It is expected that the given bytes start with json.ObjectOpen.
+// It returns errEmptyObject if the JSON object is empty or errMissingType if
+// @type field does not exist. It returns other error if the @type field is not
+// valid or other decoding issues.
+func findTypeURL(d decoder) (json.Token, error) {
+ var typeURL string
+ var typeTok json.Token
+ numFields := 0
+ // Skip start object.
+ d.Read()
+
+Loop:
+ for {
+ tok, err := d.Read()
+ if err != nil {
+ return json.Token{}, err
+ }
+
+ switch tok.Kind() {
+ case json.ObjectClose:
+ if typeURL == "" {
+ // Did not find @type field.
+ if numFields > 0 {
+ return json.Token{}, errMissingType
+ }
+ return json.Token{}, errEmptyObject
+ }
+ break Loop
+
+ case json.Name:
+ numFields++
+ if tok.Name() != "@type" {
+ // Skip value.
+ if err := d.skipJSONValue(); err != nil {
+ return json.Token{}, err
+ }
+ continue
+ }
+
+ // Return error if this was previously set already.
+ if typeURL != "" {
+ return json.Token{}, d.newError(tok.Pos(), `duplicate "@type" field`)
+ }
+ // Read field value.
+ tok, err := d.Read()
+ if err != nil {
+ return json.Token{}, err
+ }
+ if tok.Kind() != json.String {
+ return json.Token{}, d.newError(tok.Pos(), `@type field value is not a string: %v`, tok.RawString())
+ }
+ typeURL = tok.ParsedString()
+ if typeURL == "" {
+ return json.Token{}, d.newError(tok.Pos(), `@type field contains empty value`)
+ }
+ typeTok = tok
+ }
+ }
+
+ return typeTok, nil
+}
+
+// skipJSONValue parses a JSON value (null, boolean, string, number, object and
+// array) in order to advance the read to the next JSON value. It relies on
+// the decoder returning an error if the types are not in valid sequence.
+func (d decoder) skipJSONValue() error {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ // Only need to continue reading for objects and arrays.
+ switch tok.Kind() {
+ case json.ObjectOpen:
+ for {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ switch tok.Kind() {
+ case json.ObjectClose:
+ return nil
+ case json.Name:
+ // Skip object field value.
+ if err := d.skipJSONValue(); err != nil {
+ return err
+ }
+ }
+ }
+
+ case json.ArrayOpen:
+ for {
+ tok, err := d.Peek()
+ if err != nil {
+ return err
+ }
+ switch tok.Kind() {
+ case json.ArrayClose:
+ d.Read()
+ return nil
+ default:
+ // Skip array item.
+ if err := d.skipJSONValue(); err != nil {
+ return err
+ }
+ }
+ }
+ }
+ return nil
+}
+
+// unmarshalAnyValue unmarshals the given custom-type message from the JSON
+// object's "value" field.
+func (d decoder) unmarshalAnyValue(unmarshal unmarshalFunc, m pref.Message) error {
+ // Skip ObjectOpen, and start reading the fields.
+ d.Read()
+
+ var found bool // Used for detecting duplicate "value".
+ for {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ switch tok.Kind() {
+ case json.ObjectClose:
+ if !found {
+ return d.newError(tok.Pos(), `missing "value" field`)
+ }
+ return nil
+
+ case json.Name:
+ switch tok.Name() {
+ case "@type":
+ // Skip the value as this was previously parsed already.
+ d.Read()
+
+ case "value":
+ if found {
+ return d.newError(tok.Pos(), `duplicate "value" field`)
+ }
+ // Unmarshal the field value into the given message.
+ if err := unmarshal(d, m); err != nil {
+ return err
+ }
+ found = true
+
+ default:
+ if d.opts.DiscardUnknown {
+ if err := d.skipJSONValue(); err != nil {
+ return err
+ }
+ continue
+ }
+ return d.newError(tok.Pos(), "unknown field %v", tok.RawString())
+ }
+ }
+ }
+}
+
+// Wrapper types are encoded as JSON primitives like string, number or boolean.
+
+func (e encoder) marshalWrapperType(m pref.Message) error {
+ fd := m.Descriptor().Fields().ByNumber(genid.WrapperValue_Value_field_number)
+ val := m.Get(fd)
+ return e.marshalSingular(val, fd)
+}
+
+func (d decoder) unmarshalWrapperType(m pref.Message) error {
+ fd := m.Descriptor().Fields().ByNumber(genid.WrapperValue_Value_field_number)
+ val, err := d.unmarshalScalar(fd)
+ if err != nil {
+ return err
+ }
+ m.Set(fd, val)
+ return nil
+}
+
+// The JSON representation for Empty is an empty JSON object.
+
+func (e encoder) marshalEmpty(pref.Message) error {
+ e.StartObject()
+ e.EndObject()
+ return nil
+}
+
+func (d decoder) unmarshalEmpty(pref.Message) error {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.ObjectOpen {
+ return d.unexpectedTokenError(tok)
+ }
+
+ for {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ switch tok.Kind() {
+ case json.ObjectClose:
+ return nil
+
+ case json.Name:
+ if d.opts.DiscardUnknown {
+ if err := d.skipJSONValue(); err != nil {
+ return err
+ }
+ continue
+ }
+ return d.newError(tok.Pos(), "unknown field %v", tok.RawString())
+
+ default:
+ return d.unexpectedTokenError(tok)
+ }
+ }
+}
+
+// The JSON representation for Struct is a JSON object that contains the encoded
+// Struct.fields map and follows the serialization rules for a map.
+
+func (e encoder) marshalStruct(m pref.Message) error {
+ fd := m.Descriptor().Fields().ByNumber(genid.Struct_Fields_field_number)
+ return e.marshalMap(m.Get(fd).Map(), fd)
+}
+
+func (d decoder) unmarshalStruct(m pref.Message) error {
+ fd := m.Descriptor().Fields().ByNumber(genid.Struct_Fields_field_number)
+ return d.unmarshalMap(m.Mutable(fd).Map(), fd)
+}
+
+// The JSON representation for ListValue is JSON array that contains the encoded
+// ListValue.values repeated field and follows the serialization rules for a
+// repeated field.
+
+func (e encoder) marshalListValue(m pref.Message) error {
+ fd := m.Descriptor().Fields().ByNumber(genid.ListValue_Values_field_number)
+ return e.marshalList(m.Get(fd).List(), fd)
+}
+
+func (d decoder) unmarshalListValue(m pref.Message) error {
+ fd := m.Descriptor().Fields().ByNumber(genid.ListValue_Values_field_number)
+ return d.unmarshalList(m.Mutable(fd).List(), fd)
+}
+
+// The JSON representation for a Value is dependent on the oneof field that is
+// set. Each of the field in the oneof has its own custom serialization rule. A
+// Value message needs to be a oneof field set, else it is an error.
+
+func (e encoder) marshalKnownValue(m pref.Message) error {
+ od := m.Descriptor().Oneofs().ByName(genid.Value_Kind_oneof_name)
+ fd := m.WhichOneof(od)
+ if fd == nil {
+ return errors.New("%s: none of the oneof fields is set", genid.Value_message_fullname)
+ }
+ if fd.Number() == genid.Value_NumberValue_field_number {
+ if v := m.Get(fd).Float(); math.IsNaN(v) || math.IsInf(v, 0) {
+ return errors.New("%s: invalid %v value", genid.Value_NumberValue_field_fullname, v)
+ }
+ }
+ return e.marshalSingular(m.Get(fd), fd)
+}
+
+func (d decoder) unmarshalKnownValue(m pref.Message) error {
+ tok, err := d.Peek()
+ if err != nil {
+ return err
+ }
+
+ var fd pref.FieldDescriptor
+ var val pref.Value
+ switch tok.Kind() {
+ case json.Null:
+ d.Read()
+ fd = m.Descriptor().Fields().ByNumber(genid.Value_NullValue_field_number)
+ val = pref.ValueOfEnum(0)
+
+ case json.Bool:
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ fd = m.Descriptor().Fields().ByNumber(genid.Value_BoolValue_field_number)
+ val = pref.ValueOfBool(tok.Bool())
+
+ case json.Number:
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ fd = m.Descriptor().Fields().ByNumber(genid.Value_NumberValue_field_number)
+ var ok bool
+ val, ok = unmarshalFloat(tok, 64)
+ if !ok {
+ return d.newError(tok.Pos(), "invalid %v: %v", genid.Value_message_fullname, tok.RawString())
+ }
+
+ case json.String:
+ // A JSON string may have been encoded from the number_value field,
+ // e.g. "NaN", "Infinity", etc. Parsing a proto double type also allows
+ // for it to be in JSON string form. Given this custom encoding spec,
+ // however, there is no way to identify that and hence a JSON string is
+ // always assigned to the string_value field, which means that certain
+ // encoding cannot be parsed back to the same field.
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ fd = m.Descriptor().Fields().ByNumber(genid.Value_StringValue_field_number)
+ val = pref.ValueOfString(tok.ParsedString())
+
+ case json.ObjectOpen:
+ fd = m.Descriptor().Fields().ByNumber(genid.Value_StructValue_field_number)
+ val = m.NewField(fd)
+ if err := d.unmarshalStruct(val.Message()); err != nil {
+ return err
+ }
+
+ case json.ArrayOpen:
+ fd = m.Descriptor().Fields().ByNumber(genid.Value_ListValue_field_number)
+ val = m.NewField(fd)
+ if err := d.unmarshalListValue(val.Message()); err != nil {
+ return err
+ }
+
+ default:
+ return d.newError(tok.Pos(), "invalid %v: %v", genid.Value_message_fullname, tok.RawString())
+ }
+
+ m.Set(fd, val)
+ return nil
+}
+
+// The JSON representation for a Duration is a JSON string that ends in the
+// suffix "s" (indicating seconds) and is preceded by the number of seconds,
+// with nanoseconds expressed as fractional seconds.
+//
+// Durations less than one second are represented with a 0 seconds field and a
+// positive or negative nanos field. For durations of one second or more, a
+// non-zero value for the nanos field must be of the same sign as the seconds
+// field.
+//
+// Duration.seconds must be from -315,576,000,000 to +315,576,000,000 inclusive.
+// Duration.nanos must be from -999,999,999 to +999,999,999 inclusive.
+
+const (
+ secondsInNanos = 999999999
+ maxSecondsInDuration = 315576000000
+)
+
+func (e encoder) marshalDuration(m pref.Message) error {
+ fds := m.Descriptor().Fields()
+ fdSeconds := fds.ByNumber(genid.Duration_Seconds_field_number)
+ fdNanos := fds.ByNumber(genid.Duration_Nanos_field_number)
+
+ secsVal := m.Get(fdSeconds)
+ nanosVal := m.Get(fdNanos)
+ secs := secsVal.Int()
+ nanos := nanosVal.Int()
+ if secs < -maxSecondsInDuration || secs > maxSecondsInDuration {
+ return errors.New("%s: seconds out of range %v", genid.Duration_message_fullname, secs)
+ }
+ if nanos < -secondsInNanos || nanos > secondsInNanos {
+ return errors.New("%s: nanos out of range %v", genid.Duration_message_fullname, nanos)
+ }
+ if (secs > 0 && nanos < 0) || (secs < 0 && nanos > 0) {
+ return errors.New("%s: signs of seconds and nanos do not match", genid.Duration_message_fullname)
+ }
+ // Generated output always contains 0, 3, 6, or 9 fractional digits,
+ // depending on required precision, followed by the suffix "s".
+ var sign string
+ if secs < 0 || nanos < 0 {
+ sign, secs, nanos = "-", -1*secs, -1*nanos
+ }
+ x := fmt.Sprintf("%s%d.%09d", sign, secs, nanos)
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, ".000")
+ e.WriteString(x + "s")
+ return nil
+}
+
+func (d decoder) unmarshalDuration(m pref.Message) error {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.String {
+ return d.unexpectedTokenError(tok)
+ }
+
+ secs, nanos, ok := parseDuration(tok.ParsedString())
+ if !ok {
+ return d.newError(tok.Pos(), "invalid %v value %v", genid.Duration_message_fullname, tok.RawString())
+ }
+ // Validate seconds. No need to validate nanos because parseDuration would
+ // have covered that already.
+ if secs < -maxSecondsInDuration || secs > maxSecondsInDuration {
+ return d.newError(tok.Pos(), "%v value out of range: %v", genid.Duration_message_fullname, tok.RawString())
+ }
+
+ fds := m.Descriptor().Fields()
+ fdSeconds := fds.ByNumber(genid.Duration_Seconds_field_number)
+ fdNanos := fds.ByNumber(genid.Duration_Nanos_field_number)
+
+ m.Set(fdSeconds, pref.ValueOfInt64(secs))
+ m.Set(fdNanos, pref.ValueOfInt32(nanos))
+ return nil
+}
+
+// parseDuration parses the given input string for seconds and nanoseconds value
+// for the Duration JSON format. The format is a decimal number with a suffix
+// 's'. It can have optional plus/minus sign. There needs to be at least an
+// integer or fractional part. Fractional part is limited to 9 digits only for
+// nanoseconds precision, regardless of whether there are trailing zero digits.
+// Example values are 1s, 0.1s, 1.s, .1s, +1s, -1s, -.1s.
+func parseDuration(input string) (int64, int32, bool) {
+ b := []byte(input)
+ size := len(b)
+ if size < 2 {
+ return 0, 0, false
+ }
+ if b[size-1] != 's' {
+ return 0, 0, false
+ }
+ b = b[:size-1]
+
+ // Read optional plus/minus symbol.
+ var neg bool
+ switch b[0] {
+ case '-':
+ neg = true
+ b = b[1:]
+ case '+':
+ b = b[1:]
+ }
+ if len(b) == 0 {
+ return 0, 0, false
+ }
+
+ // Read the integer part.
+ var intp []byte
+ switch {
+ case b[0] == '0':
+ b = b[1:]
+
+ case '1' <= b[0] && b[0] <= '9':
+ intp = b[0:]
+ b = b[1:]
+ n := 1
+ for len(b) > 0 && '0' <= b[0] && b[0] <= '9' {
+ n++
+ b = b[1:]
+ }
+ intp = intp[:n]
+
+ case b[0] == '.':
+ // Continue below.
+
+ default:
+ return 0, 0, false
+ }
+
+ hasFrac := false
+ var frac [9]byte
+ if len(b) > 0 {
+ if b[0] != '.' {
+ return 0, 0, false
+ }
+ // Read the fractional part.
+ b = b[1:]
+ n := 0
+ for len(b) > 0 && n < 9 && '0' <= b[0] && b[0] <= '9' {
+ frac[n] = b[0]
+ n++
+ b = b[1:]
+ }
+ // It is not valid if there are more bytes left.
+ if len(b) > 0 {
+ return 0, 0, false
+ }
+ // Pad fractional part with 0s.
+ for i := n; i < 9; i++ {
+ frac[i] = '0'
+ }
+ hasFrac = true
+ }
+
+ var secs int64
+ if len(intp) > 0 {
+ var err error
+ secs, err = strconv.ParseInt(string(intp), 10, 64)
+ if err != nil {
+ return 0, 0, false
+ }
+ }
+
+ var nanos int64
+ if hasFrac {
+ nanob := bytes.TrimLeft(frac[:], "0")
+ if len(nanob) > 0 {
+ var err error
+ nanos, err = strconv.ParseInt(string(nanob), 10, 32)
+ if err != nil {
+ return 0, 0, false
+ }
+ }
+ }
+
+ if neg {
+ if secs > 0 {
+ secs = -secs
+ }
+ if nanos > 0 {
+ nanos = -nanos
+ }
+ }
+ return secs, int32(nanos), true
+}
+
+// The JSON representation for a Timestamp is a JSON string in the RFC 3339
+// format, i.e. "{year}-{month}-{day}T{hour}:{min}:{sec}[.{frac_sec}]Z" where
+// {year} is always expressed using four digits while {month}, {day}, {hour},
+// {min}, and {sec} are zero-padded to two digits each. The fractional seconds,
+// which can go up to 9 digits, up to 1 nanosecond resolution, is optional. The
+// "Z" suffix indicates the timezone ("UTC"); the timezone is required. Encoding
+// should always use UTC (as indicated by "Z") and a decoder should be able to
+// accept both UTC and other timezones (as indicated by an offset).
+//
+// Timestamp.seconds must be from 0001-01-01T00:00:00Z to 9999-12-31T23:59:59Z
+// inclusive.
+// Timestamp.nanos must be from 0 to 999,999,999 inclusive.
+
+const (
+ maxTimestampSeconds = 253402300799
+ minTimestampSeconds = -62135596800
+)
+
+func (e encoder) marshalTimestamp(m pref.Message) error {
+ fds := m.Descriptor().Fields()
+ fdSeconds := fds.ByNumber(genid.Timestamp_Seconds_field_number)
+ fdNanos := fds.ByNumber(genid.Timestamp_Nanos_field_number)
+
+ secsVal := m.Get(fdSeconds)
+ nanosVal := m.Get(fdNanos)
+ secs := secsVal.Int()
+ nanos := nanosVal.Int()
+ if secs < minTimestampSeconds || secs > maxTimestampSeconds {
+ return errors.New("%s: seconds out of range %v", genid.Timestamp_message_fullname, secs)
+ }
+ if nanos < 0 || nanos > secondsInNanos {
+ return errors.New("%s: nanos out of range %v", genid.Timestamp_message_fullname, nanos)
+ }
+ // Uses RFC 3339, where generated output will be Z-normalized and uses 0, 3,
+ // 6 or 9 fractional digits.
+ t := time.Unix(secs, nanos).UTC()
+ x := t.Format("2006-01-02T15:04:05.000000000")
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, "000")
+ x = strings.TrimSuffix(x, ".000")
+ e.WriteString(x + "Z")
+ return nil
+}
+
+func (d decoder) unmarshalTimestamp(m pref.Message) error {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.String {
+ return d.unexpectedTokenError(tok)
+ }
+
+ t, err := time.Parse(time.RFC3339Nano, tok.ParsedString())
+ if err != nil {
+ return d.newError(tok.Pos(), "invalid %v value %v", genid.Timestamp_message_fullname, tok.RawString())
+ }
+ // Validate seconds. No need to validate nanos because time.Parse would have
+ // covered that already.
+ secs := t.Unix()
+ if secs < minTimestampSeconds || secs > maxTimestampSeconds {
+ return d.newError(tok.Pos(), "%v value out of range: %v", genid.Timestamp_message_fullname, tok.RawString())
+ }
+
+ fds := m.Descriptor().Fields()
+ fdSeconds := fds.ByNumber(genid.Timestamp_Seconds_field_number)
+ fdNanos := fds.ByNumber(genid.Timestamp_Nanos_field_number)
+
+ m.Set(fdSeconds, pref.ValueOfInt64(secs))
+ m.Set(fdNanos, pref.ValueOfInt32(int32(t.Nanosecond())))
+ return nil
+}
+
+// The JSON representation for a FieldMask is a JSON string where paths are
+// separated by a comma. Fields name in each path are converted to/from
+// lower-camel naming conventions. Encoding should fail if the path name would
+// end up differently after a round-trip.
+
+func (e encoder) marshalFieldMask(m pref.Message) error {
+ fd := m.Descriptor().Fields().ByNumber(genid.FieldMask_Paths_field_number)
+ list := m.Get(fd).List()
+ paths := make([]string, 0, list.Len())
+
+ for i := 0; i < list.Len(); i++ {
+ s := list.Get(i).String()
+ if !pref.FullName(s).IsValid() {
+ return errors.New("%s contains invalid path: %q", genid.FieldMask_Paths_field_fullname, s)
+ }
+ // Return error if conversion to camelCase is not reversible.
+ cc := strs.JSONCamelCase(s)
+ if s != strs.JSONSnakeCase(cc) {
+ return errors.New("%s contains irreversible value %q", genid.FieldMask_Paths_field_fullname, s)
+ }
+ paths = append(paths, cc)
+ }
+
+ e.WriteString(strings.Join(paths, ","))
+ return nil
+}
+
+func (d decoder) unmarshalFieldMask(m pref.Message) error {
+ tok, err := d.Read()
+ if err != nil {
+ return err
+ }
+ if tok.Kind() != json.String {
+ return d.unexpectedTokenError(tok)
+ }
+ str := strings.TrimSpace(tok.ParsedString())
+ if str == "" {
+ return nil
+ }
+ paths := strings.Split(str, ",")
+
+ fd := m.Descriptor().Fields().ByNumber(genid.FieldMask_Paths_field_number)
+ list := m.Mutable(fd).List()
+
+ for _, s0 := range paths {
+ s := strs.JSONSnakeCase(s0)
+ if strings.Contains(s0, "_") || !pref.FullName(s).IsValid() {
+ return d.newError(tok.Pos(), "%v contains invalid path: %q", genid.FieldMask_Paths_field_fullname, s0)
+ }
+ list.Append(pref.ValueOfString(s))
+ }
+ return nil
+}
diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go
new file mode 100644
index 000000000..b13fd29e8
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/encoding/json/decode.go
@@ -0,0 +1,340 @@
+// 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 json
+
+import (
+ "bytes"
+ "fmt"
+ "io"
+ "regexp"
+ "unicode/utf8"
+
+ "google.golang.org/protobuf/internal/errors"
+)
+
+// call specifies which Decoder method was invoked.
+type call uint8
+
+const (
+ readCall call = iota
+ peekCall
+)
+
+const unexpectedFmt = "unexpected token %s"
+
+// ErrUnexpectedEOF means that EOF was encountered in the middle of the input.
+var ErrUnexpectedEOF = errors.New("%v", io.ErrUnexpectedEOF)
+
+// Decoder is a token-based JSON decoder.
+type Decoder struct {
+ // lastCall is last method called, either readCall or peekCall.
+ // Initial value is readCall.
+ lastCall call
+
+ // lastToken contains the last read token.
+ lastToken Token
+
+ // lastErr contains the last read error.
+ lastErr error
+
+ // openStack is a stack containing ObjectOpen and ArrayOpen values. The
+ // top of stack represents the object or the array the current value is
+ // directly located in.
+ openStack []Kind
+
+ // orig is used in reporting line and column.
+ orig []byte
+ // in contains the unconsumed input.
+ in []byte
+}
+
+// NewDecoder returns a Decoder to read the given []byte.
+func NewDecoder(b []byte) *Decoder {
+ return &Decoder{orig: b, in: b}
+}
+
+// Peek looks ahead and returns the next token kind without advancing a read.
+func (d *Decoder) Peek() (Token, error) {
+ defer func() { d.lastCall = peekCall }()
+ if d.lastCall == readCall {
+ d.lastToken, d.lastErr = d.Read()
+ }
+ return d.lastToken, d.lastErr
+}
+
+// Read returns the next JSON token.
+// It will return an error if there is no valid token.
+func (d *Decoder) Read() (Token, error) {
+ const scalar = Null | Bool | Number | String
+
+ defer func() { d.lastCall = readCall }()
+ if d.lastCall == peekCall {
+ return d.lastToken, d.lastErr
+ }
+
+ tok, err := d.parseNext()
+ if err != nil {
+ return Token{}, err
+ }
+
+ switch tok.kind {
+ case EOF:
+ if len(d.openStack) != 0 ||
+ d.lastToken.kind&scalar|ObjectClose|ArrayClose == 0 {
+ return Token{}, ErrUnexpectedEOF
+ }
+
+ case Null:
+ if !d.isValueNext() {
+ return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+ }
+
+ case Bool, Number:
+ if !d.isValueNext() {
+ return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+ }
+
+ case String:
+ if d.isValueNext() {
+ break
+ }
+ // This string token should only be for a field name.
+ if d.lastToken.kind&(ObjectOpen|comma) == 0 {
+ return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+ }
+ if len(d.in) == 0 {
+ return Token{}, ErrUnexpectedEOF
+ }
+ if c := d.in[0]; c != ':' {
+ return Token{}, d.newSyntaxError(d.currPos(), `unexpected character %s, missing ":" after field name`, string(c))
+ }
+ tok.kind = Name
+ d.consume(1)
+
+ case ObjectOpen, ArrayOpen:
+ if !d.isValueNext() {
+ return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+ }
+ d.openStack = append(d.openStack, tok.kind)
+
+ case ObjectClose:
+ if len(d.openStack) == 0 ||
+ d.lastToken.kind == comma ||
+ d.openStack[len(d.openStack)-1] != ObjectOpen {
+ return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+ }
+ d.openStack = d.openStack[:len(d.openStack)-1]
+
+ case ArrayClose:
+ if len(d.openStack) == 0 ||
+ d.lastToken.kind == comma ||
+ d.openStack[len(d.openStack)-1] != ArrayOpen {
+ return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+ }
+ d.openStack = d.openStack[:len(d.openStack)-1]
+
+ case comma:
+ if len(d.openStack) == 0 ||
+ d.lastToken.kind&(scalar|ObjectClose|ArrayClose) == 0 {
+ return Token{}, d.newSyntaxError(tok.pos, unexpectedFmt, tok.RawString())
+ }
+ }
+
+ // Update d.lastToken only after validating token to be in the right sequence.
+ d.lastToken = tok
+
+ if d.lastToken.kind == comma {
+ return d.Read()
+ }
+ return tok, nil
+}
+
+// Any sequence that looks like a non-delimiter (for error reporting).
+var errRegexp = regexp.MustCompile(`^([-+._a-zA-Z0-9]{1,32}|.)`)
+
+// parseNext parses for the next JSON token. It returns a Token object for
+// different types, except for Name. It does not handle whether the next token
+// is in a valid sequence or not.
+func (d *Decoder) parseNext() (Token, error) {
+ // Trim leading spaces.
+ d.consume(0)
+
+ in := d.in
+ if len(in) == 0 {
+ return d.consumeToken(EOF, 0), nil
+ }
+
+ switch in[0] {
+ case 'n':
+ if n := matchWithDelim("null", in); n != 0 {
+ return d.consumeToken(Null, n), nil
+ }
+
+ case 't':
+ if n := matchWithDelim("true", in); n != 0 {
+ return d.consumeBoolToken(true, n), nil
+ }
+
+ case 'f':
+ if n := matchWithDelim("false", in); n != 0 {
+ return d.consumeBoolToken(false, n), nil
+ }
+
+ case '-', '0', '1', '2', '3', '4', '5', '6', '7', '8', '9':
+ if n, ok := parseNumber(in); ok {
+ return d.consumeToken(Number, n), nil
+ }
+
+ case '"':
+ s, n, err := d.parseString(in)
+ if err != nil {
+ return Token{}, err
+ }
+ return d.consumeStringToken(s, n), nil
+
+ case '{':
+ return d.consumeToken(ObjectOpen, 1), nil
+
+ case '}':
+ return d.consumeToken(ObjectClose, 1), nil
+
+ case '[':
+ return d.consumeToken(ArrayOpen, 1), nil
+
+ case ']':
+ return d.consumeToken(ArrayClose, 1), nil
+
+ case ',':
+ return d.consumeToken(comma, 1), nil
+ }
+ return Token{}, d.newSyntaxError(d.currPos(), "invalid value %s", errRegexp.Find(in))
+}
+
+// newSyntaxError returns an error with line and column information useful for
+// syntax errors.
+func (d *Decoder) newSyntaxError(pos int, f string, x ...interface{}) error {
+ e := errors.New(f, x...)
+ line, column := d.Position(pos)
+ return errors.New("syntax error (line %d:%d): %v", line, column, e)
+}
+
+// Position returns line and column number of given index of the original input.
+// It will panic if index is out of range.
+func (d *Decoder) Position(idx int) (line int, column int) {
+ b := d.orig[:idx]
+ line = bytes.Count(b, []byte("\n")) + 1
+ if i := bytes.LastIndexByte(b, '\n'); i >= 0 {
+ b = b[i+1:]
+ }
+ column = utf8.RuneCount(b) + 1 // ignore multi-rune characters
+ return line, column
+}
+
+// currPos returns the current index position of d.in from d.orig.
+func (d *Decoder) currPos() int {
+ return len(d.orig) - len(d.in)
+}
+
+// matchWithDelim matches s with the input b and verifies that the match
+// terminates with a delimiter of some form (e.g., r"[^-+_.a-zA-Z0-9]").
+// As a special case, EOF is considered a delimiter. It returns the length of s
+// if there is a match, else 0.
+func matchWithDelim(s string, b []byte) int {
+ if !bytes.HasPrefix(b, []byte(s)) {
+ return 0
+ }
+
+ n := len(s)
+ if n < len(b) && isNotDelim(b[n]) {
+ return 0
+ }
+ return n
+}
+
+// isNotDelim returns true if given byte is a not delimiter character.
+func isNotDelim(c byte) bool {
+ return (c == '-' || c == '+' || c == '.' || c == '_' ||
+ ('a' <= c && c <= 'z') ||
+ ('A' <= c && c <= 'Z') ||
+ ('0' <= c && c <= '9'))
+}
+
+// consume consumes n bytes of input and any subsequent whitespace.
+func (d *Decoder) consume(n int) {
+ d.in = d.in[n:]
+ for len(d.in) > 0 {
+ switch d.in[0] {
+ case ' ', '\n', '\r', '\t':
+ d.in = d.in[1:]
+ default:
+ return
+ }
+ }
+}
+
+// isValueNext returns true if next type should be a JSON value: Null,
+// Number, String or Bool.
+func (d *Decoder) isValueNext() bool {
+ if len(d.openStack) == 0 {
+ return d.lastToken.kind == 0
+ }
+
+ start := d.openStack[len(d.openStack)-1]
+ switch start {
+ case ObjectOpen:
+ return d.lastToken.kind&Name != 0
+ case ArrayOpen:
+ return d.lastToken.kind&(ArrayOpen|comma) != 0
+ }
+ panic(fmt.Sprintf(
+ "unreachable logic in Decoder.isValueNext, lastToken.kind: %v, openStack: %v",
+ d.lastToken.kind, start))
+}
+
+// consumeToken constructs a Token for given Kind with raw value derived from
+// current d.in and given size, and consumes the given size-lenght of it.
+func (d *Decoder) consumeToken(kind Kind, size int) Token {
+ tok := Token{
+ kind: kind,
+ raw: d.in[:size],
+ pos: len(d.orig) - len(d.in),
+ }
+ d.consume(size)
+ return tok
+}
+
+// consumeBoolToken constructs a Token for a Bool kind with raw value derived from
+// current d.in and given size.
+func (d *Decoder) consumeBoolToken(b bool, size int) Token {
+ tok := Token{
+ kind: Bool,
+ raw: d.in[:size],
+ pos: len(d.orig) - len(d.in),
+ boo: b,
+ }
+ d.consume(size)
+ return tok
+}
+
+// consumeStringToken constructs a Token for a String kind with raw value derived
+// from current d.in and given size.
+func (d *Decoder) consumeStringToken(s string, size int) Token {
+ tok := Token{
+ kind: String,
+ raw: d.in[:size],
+ pos: len(d.orig) - len(d.in),
+ str: s,
+ }
+ d.consume(size)
+ return tok
+}
+
+// Clone returns a copy of the Decoder for use in reading ahead the next JSON
+// object, array or other values without affecting current Decoder.
+func (d *Decoder) Clone() *Decoder {
+ ret := *d
+ ret.openStack = append([]Kind(nil), ret.openStack...)
+ return &ret
+}
diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go
new file mode 100644
index 000000000..2999d7133
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_number.go
@@ -0,0 +1,254 @@
+// 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 json
+
+import (
+ "bytes"
+ "strconv"
+)
+
+// parseNumber reads the given []byte for a valid JSON number. If it is valid,
+// it returns the number of bytes. Parsing logic follows the definition in
+// https://tools.ietf.org/html/rfc7159#section-6, and is based off
+// encoding/json.isValidNumber function.
+func parseNumber(input []byte) (int, bool) {
+ var n int
+
+ s := input
+ if len(s) == 0 {
+ return 0, false
+ }
+
+ // Optional -
+ if s[0] == '-' {
+ s = s[1:]
+ n++
+ if len(s) == 0 {
+ return 0, false
+ }
+ }
+
+ // Digits
+ switch {
+ case s[0] == '0':
+ s = s[1:]
+ n++
+
+ case '1' <= s[0] && s[0] <= '9':
+ s = s[1:]
+ n++
+ for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+ s = s[1:]
+ n++
+ }
+
+ default:
+ return 0, false
+ }
+
+ // . followed by 1 or more digits.
+ if len(s) >= 2 && s[0] == '.' && '0' <= s[1] && s[1] <= '9' {
+ s = s[2:]
+ n += 2
+ for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+ s = s[1:]
+ n++
+ }
+ }
+
+ // e or E followed by an optional - or + and
+ // 1 or more digits.
+ if len(s) >= 2 && (s[0] == 'e' || s[0] == 'E') {
+ s = s[1:]
+ n++
+ if s[0] == '+' || s[0] == '-' {
+ s = s[1:]
+ n++
+ if len(s) == 0 {
+ return 0, false
+ }
+ }
+ for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+ s = s[1:]
+ n++
+ }
+ }
+
+ // Check that next byte is a delimiter or it is at the end.
+ if n < len(input) && isNotDelim(input[n]) {
+ return 0, false
+ }
+
+ return n, true
+}
+
+// numberParts is the result of parsing out a valid JSON number. It contains
+// the parts of a number. The parts are used for integer conversion.
+type numberParts struct {
+ neg bool
+ intp []byte
+ frac []byte
+ exp []byte
+}
+
+// parseNumber constructs numberParts from given []byte. The logic here is
+// similar to consumeNumber above with the difference of having to construct
+// numberParts. The slice fields in numberParts are subslices of the input.
+func parseNumberParts(input []byte) (numberParts, bool) {
+ var neg bool
+ var intp []byte
+ var frac []byte
+ var exp []byte
+
+ s := input
+ if len(s) == 0 {
+ return numberParts{}, false
+ }
+
+ // Optional -
+ if s[0] == '-' {
+ neg = true
+ s = s[1:]
+ if len(s) == 0 {
+ return numberParts{}, false
+ }
+ }
+
+ // Digits
+ switch {
+ case s[0] == '0':
+ // Skip first 0 and no need to store.
+ s = s[1:]
+
+ case '1' <= s[0] && s[0] <= '9':
+ intp = s
+ n := 1
+ s = s[1:]
+ for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+ s = s[1:]
+ n++
+ }
+ intp = intp[:n]
+
+ default:
+ return numberParts{}, false
+ }
+
+ // . followed by 1 or more digits.
+ if len(s) >= 2 && s[0] == '.' && '0' <= s[1] && s[1] <= '9' {
+ frac = s[1:]
+ n := 1
+ s = s[2:]
+ for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+ s = s[1:]
+ n++
+ }
+ frac = frac[:n]
+ }
+
+ // e or E followed by an optional - or + and
+ // 1 or more digits.
+ if len(s) >= 2 && (s[0] == 'e' || s[0] == 'E') {
+ s = s[1:]
+ exp = s
+ n := 0
+ if s[0] == '+' || s[0] == '-' {
+ s = s[1:]
+ n++
+ if len(s) == 0 {
+ return numberParts{}, false
+ }
+ }
+ for len(s) > 0 && '0' <= s[0] && s[0] <= '9' {
+ s = s[1:]
+ n++
+ }
+ exp = exp[:n]
+ }
+
+ return numberParts{
+ neg: neg,
+ intp: intp,
+ frac: bytes.TrimRight(frac, "0"), // Remove unnecessary 0s to the right.
+ exp: exp,
+ }, true
+}
+
+// normalizeToIntString returns an integer string in normal form without the
+// E-notation for given numberParts. It will return false if it is not an
+// integer or if the exponent exceeds than max/min int value.
+func normalizeToIntString(n numberParts) (string, bool) {
+ intpSize := len(n.intp)
+ fracSize := len(n.frac)
+
+ if intpSize == 0 && fracSize == 0 {
+ return "0", true
+ }
+
+ var exp int
+ if len(n.exp) > 0 {
+ i, err := strconv.ParseInt(string(n.exp), 10, 32)
+ if err != nil {
+ return "", false
+ }
+ exp = int(i)
+ }
+
+ var num []byte
+ if exp >= 0 {
+ // For positive E, shift fraction digits into integer part and also pad
+ // with zeroes as needed.
+
+ // If there are more digits in fraction than the E value, then the
+ // number is not an integer.
+ if fracSize > exp {
+ return "", false
+ }
+
+ // Make sure resulting digits are within max value limit to avoid
+ // unnecessarily constructing a large byte slice that may simply fail
+ // later on.
+ const maxDigits = 20 // Max uint64 value has 20 decimal digits.
+ if intpSize+exp > maxDigits {
+ return "", false
+ }
+
+ // Set cap to make a copy of integer part when appended.
+ num = n.intp[:len(n.intp):len(n.intp)]
+ num = append(num, n.frac...)
+ for i := 0; i < exp-fracSize; i++ {
+ num = append(num, '0')
+ }
+ } else {
+ // For negative E, shift digits in integer part out.
+
+ // If there are fractions, then the number is not an integer.
+ if fracSize > 0 {
+ return "", false
+ }
+
+ // index is where the decimal point will be after adjusting for negative
+ // exponent.
+ index := intpSize + exp
+ if index < 0 {
+ return "", false
+ }
+
+ num = n.intp
+ // If any of the digits being shifted to the right of the decimal point
+ // is non-zero, then the number is not an integer.
+ for i := index; i < intpSize; i++ {
+ if num[i] != '0' {
+ return "", false
+ }
+ }
+ num = num[:index]
+ }
+
+ if n.neg {
+ return "-" + string(num), true
+ }
+ return string(num), true
+}
diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go
new file mode 100644
index 000000000..f7fea7d8d
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_string.go
@@ -0,0 +1,91 @@
+// 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 json
+
+import (
+ "strconv"
+ "unicode"
+ "unicode/utf16"
+ "unicode/utf8"
+
+ "google.golang.org/protobuf/internal/strs"
+)
+
+func (d *Decoder) parseString(in []byte) (string, int, error) {
+ in0 := in
+ if len(in) == 0 {
+ return "", 0, ErrUnexpectedEOF
+ }
+ if in[0] != '"' {
+ return "", 0, d.newSyntaxError(d.currPos(), "invalid character %q at start of string", in[0])
+ }
+ in = in[1:]
+ i := indexNeedEscapeInBytes(in)
+ in, out := in[i:], in[:i:i] // set cap to prevent mutations
+ for len(in) > 0 {
+ switch r, n := utf8.DecodeRune(in); {
+ case r == utf8.RuneError && n == 1:
+ return "", 0, d.newSyntaxError(d.currPos(), "invalid UTF-8 in string")
+ case r < ' ':
+ return "", 0, d.newSyntaxError(d.currPos(), "invalid character %q in string", r)
+ case r == '"':
+ in = in[1:]
+ n := len(in0) - len(in)
+ return string(out), n, nil
+ case r == '\\':
+ if len(in) < 2 {
+ return "", 0, ErrUnexpectedEOF
+ }
+ switch r := in[1]; r {
+ case '"', '\\', '/':
+ in, out = in[2:], append(out, r)
+ case 'b':
+ in, out = in[2:], append(out, '\b')
+ case 'f':
+ in, out = in[2:], append(out, '\f')
+ case 'n':
+ in, out = in[2:], append(out, '\n')
+ case 'r':
+ in, out = in[2:], append(out, '\r')
+ case 't':
+ in, out = in[2:], append(out, '\t')
+ case 'u':
+ if len(in) < 6 {
+ return "", 0, ErrUnexpectedEOF
+ }
+ v, err := strconv.ParseUint(string(in[2:6]), 16, 16)
+ if err != nil {
+ return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:6])
+ }
+ in = in[6:]
+
+ r := rune(v)
+ if utf16.IsSurrogate(r) {
+ if len(in) < 6 {
+ return "", 0, ErrUnexpectedEOF
+ }
+ v, err := strconv.ParseUint(string(in[2:6]), 16, 16)
+ r = utf16.DecodeRune(r, rune(v))
+ if in[0] != '\\' || in[1] != 'u' ||
+ r == unicode.ReplacementChar || err != nil {
+ return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:6])
+ }
+ in = in[6:]
+ }
+ out = append(out, string(r)...)
+ default:
+ return "", 0, d.newSyntaxError(d.currPos(), "invalid escape code %q in string", in[:2])
+ }
+ default:
+ i := indexNeedEscapeInBytes(in[n:])
+ in, out = in[n+i:], append(out, in[:n+i]...)
+ }
+ }
+ return "", 0, ErrUnexpectedEOF
+}
+
+// indexNeedEscapeInBytes returns the index of the character that needs
+// escaping. If no characters need escaping, this returns the input length.
+func indexNeedEscapeInBytes(b []byte) int { return indexNeedEscapeInString(strs.UnsafeString(b)) }
diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go
new file mode 100644
index 000000000..50578d659
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/encoding/json/decode_token.go
@@ -0,0 +1,192 @@
+// 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 json
+
+import (
+ "bytes"
+ "fmt"
+ "strconv"
+)
+
+// Kind represents a token kind expressible in the JSON format.
+type Kind uint16
+
+const (
+ Invalid Kind = (1 << iota) / 2
+ EOF
+ Null
+ Bool
+ Number
+ String
+ Name
+ ObjectOpen
+ ObjectClose
+ ArrayOpen
+ ArrayClose
+
+ // comma is only for parsing in between tokens and
+ // does not need to be exported.
+ comma
+)
+
+func (k Kind) String() string {
+ switch k {
+ case EOF:
+ return "eof"
+ case Null:
+ return "null"
+ case Bool:
+ return "bool"
+ case Number:
+ return "number"
+ case String:
+ return "string"
+ case ObjectOpen:
+ return "{"
+ case ObjectClose:
+ return "}"
+ case Name:
+ return "name"
+ case ArrayOpen:
+ return "["
+ case ArrayClose:
+ return "]"
+ case comma:
+ return ","
+ }
+ return "<invalid>"
+}
+
+// Token provides a parsed token kind and value.
+//
+// Values are provided by the difference accessor methods. The accessor methods
+// Name, Bool, and ParsedString will panic if called on the wrong kind. There
+// are different accessor methods for the Number kind for converting to the
+// appropriate Go numeric type and those methods have the ok return value.
+type Token struct {
+ // Token kind.
+ kind Kind
+ // pos provides the position of the token in the original input.
+ pos int
+ // raw bytes of the serialized token.
+ // This is a subslice into the original input.
+ raw []byte
+ // boo is parsed boolean value.
+ boo bool
+ // str is parsed string value.
+ str string
+}
+
+// Kind returns the token kind.
+func (t Token) Kind() Kind {
+ return t.kind
+}
+
+// RawString returns the read value in string.
+func (t Token) RawString() string {
+ return string(t.raw)
+}
+
+// Pos returns the token position from the input.
+func (t Token) Pos() int {
+ return t.pos
+}
+
+// Name returns the object name if token is Name, else it panics.
+func (t Token) Name() string {
+ if t.kind == Name {
+ return t.str
+ }
+ panic(fmt.Sprintf("Token is not a Name: %v", t.RawString()))
+}
+
+// Bool returns the bool value if token kind is Bool, else it panics.
+func (t Token) Bool() bool {
+ if t.kind == Bool {
+ return t.boo
+ }
+ panic(fmt.Sprintf("Token is not a Bool: %v", t.RawString()))
+}
+
+// ParsedString returns the string value for a JSON string token or the read
+// value in string if token is not a string.
+func (t Token) ParsedString() string {
+ if t.kind == String {
+ return t.str
+ }
+ panic(fmt.Sprintf("Token is not a String: %v", t.RawString()))
+}
+
+// Float returns the floating-point number if token kind is Number.
+//
+// The floating-point precision is specified by the bitSize parameter: 32 for
+// float32 or 64 for float64. If bitSize=32, the result still has type float64,
+// but it will be convertible to float32 without changing its value. It will
+// return false if the number exceeds the floating point limits for given
+// bitSize.
+func (t Token) Float(bitSize int) (float64, bool) {
+ if t.kind != Number {
+ return 0, false
+ }
+ f, err := strconv.ParseFloat(t.RawString(), bitSize)
+ if err != nil {
+ return 0, false
+ }
+ return f, true
+}
+
+// Int returns the signed integer number if token is Number.
+//
+// The given bitSize specifies the integer type that the result must fit into.
+// It returns false if the number is not an integer value or if the result
+// exceeds the limits for given bitSize.
+func (t Token) Int(bitSize int) (int64, bool) {
+ s, ok := t.getIntStr()
+ if !ok {
+ return 0, false
+ }
+ n, err := strconv.ParseInt(s, 10, bitSize)
+ if err != nil {
+ return 0, false
+ }
+ return n, true
+}
+
+// Uint returns the signed integer number if token is Number.
+//
+// The given bitSize specifies the unsigned integer type that the result must
+// fit into. It returns false if the number is not an unsigned integer value
+// or if the result exceeds the limits for given bitSize.
+func (t Token) Uint(bitSize int) (uint64, bool) {
+ s, ok := t.getIntStr()
+ if !ok {
+ return 0, false
+ }
+ n, err := strconv.ParseUint(s, 10, bitSize)
+ if err != nil {
+ return 0, false
+ }
+ return n, true
+}
+
+func (t Token) getIntStr() (string, bool) {
+ if t.kind != Number {
+ return "", false
+ }
+ parts, ok := parseNumberParts(t.raw)
+ if !ok {
+ return "", false
+ }
+ return normalizeToIntString(parts)
+}
+
+// TokenEquals returns true if given Tokens are equal, else false.
+func TokenEquals(x, y Token) bool {
+ return x.kind == y.kind &&
+ x.pos == y.pos &&
+ bytes.Equal(x.raw, y.raw) &&
+ x.boo == y.boo &&
+ x.str == y.str
+}
diff --git a/vendor/google.golang.org/protobuf/internal/encoding/json/encode.go b/vendor/google.golang.org/protobuf/internal/encoding/json/encode.go
new file mode 100644
index 000000000..fbdf34873
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/internal/encoding/json/encode.go
@@ -0,0 +1,276 @@
+// 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 json
+
+import (
+ "math"
+ "math/bits"
+ "strconv"
+ "strings"
+ "unicode/utf8"
+
+ "google.golang.org/protobuf/internal/detrand"
+ "google.golang.org/protobuf/internal/errors"
+)
+
+// kind represents an encoding type.
+type kind uint8
+
+const (
+ _ kind = (1 << iota) / 2
+ name
+ scalar
+ objectOpen
+ objectClose
+ arrayOpen
+ arrayClose
+)
+
+// Encoder provides methods to write out JSON constructs and values. The user is
+// responsible for producing valid sequences of JSON constructs and values.
+type Encoder struct {
+ indent string
+ lastKind kind
+ indents []byte
+ out []byte
+}
+
+// NewEncoder returns an Encoder.
+//
+// If indent is a non-empty string, it causes every entry for an Array or Object
+// to be preceded by the indent and trailed by a newline.
+func NewEncoder(indent string) (*Encoder, error) {
+ e := &Encoder{}
+ if len(indent) > 0 {
+ if strings.Trim(indent, " \t") != "" {
+ return nil, errors.New("indent may only be composed of space or tab characters")
+ }
+ e.indent = indent
+ }
+ return e, nil
+}
+
+// Bytes returns the content of the written bytes.
+func (e *Encoder) Bytes() []byte {
+ return e.out
+}
+
+// WriteNull writes out the null value.
+func (e *Encoder) WriteNull() {
+ e.prepareNext(scalar)
+ e.out = append(e.out, "null"...)
+}
+
+// WriteBool writes out the given boolean value.
+func (e *Encoder) WriteBool(b bool) {
+ e.prepareNext(scalar)
+ if b {
+ e.out = append(e.out, "true"...)
+ } else {
+ e.out = append(e.out, "false"...)
+ }
+}
+
+// WriteString writes out the given string in JSON string value. Returns error
+// if input string contains invalid UTF-8.
+func (e *Encoder) WriteString(s string) error {
+ e.prepareNext(scalar)
+ var err error
+ if e.out, err = appendString(e.out, s); err != nil {
+ return err
+ }
+ return nil
+}
+
+// Sentinel error used for indicating invalid UTF-8.
+var errInvalidUTF8 = errors.New("invalid UTF-8")
+
+func appendString(out []byte, in string) ([]byte, error) {
+ out = append(out, '"')
+ i := indexNeedEscapeInString(in)
+ in, out = in[i:], append(out, in[:i]...)
+ for len(in) > 0 {
+ switch r, n := utf8.DecodeRuneInString(in); {
+ case r == utf8.RuneError && n == 1:
+ return out, errInvalidUTF8
+ case r < ' ' || r == '"' || r == '\\':
+ out = append(out, '\\')
+ switch r {
+ case '"', '\\':
+ out = append(out, byte(r))
+ case '\b':
+ out = append(out, 'b')
+ case '\f':
+ out = append(out, 'f')
+ case '\n':
+ out = append(out, 'n')
+ case '\r':
+ out = append(out, 'r')
+ case '\t':
+ out = append(out, 't')
+ default:
+ out = append(out, 'u')
+ out = append(out, "0000"[1+(bits.Len32(uint32(r))-1)/4:]...)
+ out = strconv.AppendUint(out, uint64(r), 16)
+ }
+ in = in[n:]
+ default:
+ i := indexNeedEscapeInString(in[n:])
+ in, out = in[n+i:], append(out, in[:n+i]...)
+ }
+ }
+ out = append(out, '"')
+ return out, nil
+}
+
+// indexNeedEscapeInString returns the index of the character that needs
+// escaping. If no characters need escaping, this returns the input length.
+func indexNeedEscapeInString(s string) int {
+ for i, r := range s {
+ if r < ' ' || r == '\\' || r == '"' || r == utf8.RuneError {
+ return i
+ }
+ }
+ return len(s)
+}
+
+// WriteFloat writes out the given float and bitSize in JSON number value.
+func (e *Encoder) WriteFloat(n float64, bitSize int) {
+ e.prepareNext(scalar)
+ e.out = appendFloat(e.out, n, bitSize)
+}
+
+// appendFloat formats given float in bitSize, and appends to the given []byte.
+func appendFloat(out []byte, n float64, bitSize int) []byte {
+ switch {
+ case math.IsNaN(n):
+ return append(out, `"NaN"`...)
+ case math.IsInf(n, +1):
+ return append(out, `"Infinity"`...)
+ case math.IsInf(n, -1):
+ return append(out, `"-Infinity"`...)
+ }
+
+ // JSON number formatting logic based on encoding/json.
+ // See floatEncoder.encode for reference.
+ fmt := byte('f')
+ if abs := math.Abs(n); abs != 0 {
+ if bitSize == 64 && (abs < 1e-6 || abs >= 1e21) ||
+ bitSize == 32 && (float32(abs) < 1e-6 || float32(abs) >= 1e21) {
+ fmt = 'e'
+ }
+ }
+ out = strconv.AppendFloat(out, n, fmt, -1, bitSize)
+ if fmt == 'e' {
+ n := len(out)
+ if n >= 4 && out[n-4] == 'e' && out[n-3] == '-' && out[n-2] == '0' {
+ out[n-2] = out[n-1]
+ out = out[:n-1]
+ }
+ }
+ return out
+}
+
+// WriteInt writes out the given signed integer in JSON number value.
+func (e *Encoder) WriteInt(n int64) {
+ e.prepareNext(scalar)
+ e.out = append(e.out, strconv.FormatInt(n, 10)...)
+}
+
+// WriteUint writes out the given unsigned integer in JSON number value.
+func (e *Encoder) WriteUint(n uint64) {
+ e.prepareNext(scalar)
+ e.out = append(e.out, strconv.FormatUint(n, 10)...)
+}
+
+// StartObject writes out the '{' symbol.
+func (e *Encoder) StartObject() {
+ e.prepareNext(objectOpen)
+ e.out = append(e.out, '{')
+}
+
+// EndObject writes out the '}' symbol.
+func (e *Encoder) EndObject() {
+ e.prepareNext(objectClose)
+ e.out = append(e.out, '}')
+}
+
+// WriteName writes out the given string in JSON string value and the name
+// separator ':'. Returns error if input string contains invalid UTF-8, which
+// should not be likely as protobuf field names should be valid.
+func (e *Encoder) WriteName(s string) error {
+ e.prepareNext(name)
+ var err error
+ // Append to output regardless of error.
+ e.out, err = appendString(e.out, s)
+ e.out = append(e.out, ':')
+ return err
+}
+
+// StartArray writes out the '[' symbol.
+func (e *Encoder) StartArray() {
+ e.prepareNext(arrayOpen)
+ e.out = append(e.out, '[')
+}
+
+// EndArray writes out the ']' symbol.
+func (e *Encoder) EndArray() {
+ e.prepareNext(arrayClose)
+ e.out = append(e.out, ']')
+}
+
+// prepareNext adds possible comma and indentation for the next value based
+// on last type and indent option. It also updates lastKind to next.
+func (e *Encoder) prepareNext(next kind) {
+ defer func() {
+ // Set lastKind to next.
+ e.lastKind = next
+ }()
+
+ if len(e.indent) == 0 {
+ // Need to add comma on the following condition.
+ if e.lastKind&(scalar|objectClose|arrayClose) != 0 &&
+ next&(name|scalar|objectOpen|arrayOpen) != 0 {
+ e.out = append(e.out, ',')
+ // For single-line output, add a random extra space after each
+ // comma to make output unstable.
+ if detrand.Bool() {
+ e.out = append(e.out, ' ')
+ }
+ }
+ return
+ }
+
+ switch {
+ case e.lastKind&(objectOpen|arrayOpen) != 0:
+ // If next type is NOT closing, add indent and newline.
+ if next&(objectClose|arrayClose) == 0 {
+ e.indents = append(e.indents, e.indent...)
+ e.out = append(e.out, '\n')
+ e.out = append(e.out, e.indents...)
+ }
+
+ case e.lastKind&(scalar|objectClose|arrayClose) != 0:
+ switch {
+ // If next type is either a value or name, add comma and newline.
+ case next&(name|scalar|objectOpen|arrayOpen) != 0:
+ e.out = append(e.out, ',', '\n')
+
+ // If next type is a closing object or array, adjust indentation.
+ case next&(objectClose|arrayClose) != 0:
+ e.indents = e.indents[:len(e.indents)-len(e.indent)]
+ e.out = append(e.out, '\n')
+ }
+ e.out = append(e.out, e.indents...)
+
+ case e.lastKind&name != 0:
+ e.out = append(e.out, ' ')
+ // For multi-line output, add a random extra space after key: to make
+ // output unstable.
+ if detrand.Bool() {
+ e.out = append(e.out, ' ')
+ }
+ }
+}
diff --git a/vendor/google.golang.org/protobuf/types/known/emptypb/empty.pb.go b/vendor/google.golang.org/protobuf/types/known/emptypb/empty.pb.go
new file mode 100644
index 000000000..e7fcea31f
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/types/known/emptypb/empty.pb.go
@@ -0,0 +1,168 @@
+// Protocol Buffers - Google's data interchange format
+// Copyright 2008 Google Inc. All rights reserved.
+// https://developers.google.com/protocol-buffers/
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+// * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// Code generated by protoc-gen-go. DO NOT EDIT.
+// source: google/protobuf/empty.proto
+
+package emptypb
+
+import (
+ protoreflect "google.golang.org/protobuf/reflect/protoreflect"
+ protoimpl "google.golang.org/protobuf/runtime/protoimpl"
+ reflect "reflect"
+ sync "sync"
+)
+
+// A generic empty message that you can re-use to avoid defining duplicated
+// empty messages in your APIs. A typical example is to use it as the request
+// or the response type of an API method. For instance:
+//
+// service Foo {
+// rpc Bar(google.protobuf.Empty) returns (google.protobuf.Empty);
+// }
+//
+// The JSON representation for `Empty` is empty JSON object `{}`.
+type Empty struct {
+ state protoimpl.MessageState
+ sizeCache protoimpl.SizeCache
+ unknownFields protoimpl.UnknownFields
+}
+
+func (x *Empty) Reset() {
+ *x = Empty{}
+ if protoimpl.UnsafeEnabled {
+ mi := &file_google_protobuf_empty_proto_msgTypes[0]
+ ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+ ms.StoreMessageInfo(mi)
+ }
+}
+
+func (x *Empty) String() string {
+ return protoimpl.X.MessageStringOf(x)
+}
+
+func (*Empty) ProtoMessage() {}
+
+func (x *Empty) ProtoReflect() protoreflect.Message {
+ mi := &file_google_protobuf_empty_proto_msgTypes[0]
+ if protoimpl.UnsafeEnabled && x != nil {
+ ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
+ if ms.LoadMessageInfo() == nil {
+ ms.StoreMessageInfo(mi)
+ }
+ return ms
+ }
+ return mi.MessageOf(x)
+}
+
+// Deprecated: Use Empty.ProtoReflect.Descriptor instead.
+func (*Empty) Descriptor() ([]byte, []int) {
+ return file_google_protobuf_empty_proto_rawDescGZIP(), []int{0}
+}
+
+var File_google_protobuf_empty_proto protoreflect.FileDescriptor
+
+var file_google_protobuf_empty_proto_rawDesc = []byte{
+ 0x0a, 0x1b, 0x67, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2f, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75,
+ 0x66, 0x2f, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x12, 0x0f, 0x67,
+ 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x22, 0x07,
+ 0x0a, 0x05, 0x45, 0x6d, 0x70, 0x74, 0x79, 0x42, 0x7d, 0x0a, 0x13, 0x63, 0x6f, 0x6d, 0x2e, 0x67,
+ 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x42, 0x0a,
+ 0x45, 0x6d, 0x70, 0x74, 0x79, 0x50, 0x72, 0x6f, 0x74, 0x6f, 0x50, 0x01, 0x5a, 0x2e, 0x67, 0x6f,
+ 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x67, 0x6f, 0x6c, 0x61, 0x6e, 0x67, 0x2e, 0x6f, 0x72, 0x67, 0x2f,
+ 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2f, 0x74, 0x79, 0x70, 0x65, 0x73, 0x2f, 0x6b,
+ 0x6e, 0x6f, 0x77, 0x6e, 0x2f, 0x65, 0x6d, 0x70, 0x74, 0x79, 0x70, 0x62, 0xf8, 0x01, 0x01, 0xa2,
+ 0x02, 0x03, 0x47, 0x50, 0x42, 0xaa, 0x02, 0x1e, 0x47, 0x6f, 0x6f, 0x67, 0x6c, 0x65, 0x2e, 0x50,
+ 0x72, 0x6f, 0x74, 0x6f, 0x62, 0x75, 0x66, 0x2e, 0x57, 0x65, 0x6c, 0x6c, 0x4b, 0x6e, 0x6f, 0x77,
+ 0x6e, 0x54, 0x79, 0x70, 0x65, 0x73, 0x62, 0x06, 0x70, 0x72, 0x6f, 0x74, 0x6f, 0x33,
+}
+
+var (
+ file_google_protobuf_empty_proto_rawDescOnce sync.Once
+ file_google_protobuf_empty_proto_rawDescData = file_google_protobuf_empty_proto_rawDesc
+)
+
+func file_google_protobuf_empty_proto_rawDescGZIP() []byte {
+ file_google_protobuf_empty_proto_rawDescOnce.Do(func() {
+ file_google_protobuf_empty_proto_rawDescData = protoimpl.X.CompressGZIP(file_google_protobuf_empty_proto_rawDescData)
+ })
+ return file_google_protobuf_empty_proto_rawDescData
+}
+
+var file_google_protobuf_empty_proto_msgTypes = make([]protoimpl.MessageInfo, 1)
+var file_google_protobuf_empty_proto_goTypes = []interface{}{
+ (*Empty)(nil), // 0: google.protobuf.Empty
+}
+var file_google_protobuf_empty_proto_depIdxs = []int32{
+ 0, // [0:0] is the sub-list for method output_type
+ 0, // [0:0] is the sub-list for method input_type
+ 0, // [0:0] is the sub-list for extension type_name
+ 0, // [0:0] is the sub-list for extension extendee
+ 0, // [0:0] is the sub-list for field type_name
+}
+
+func init() { file_google_protobuf_empty_proto_init() }
+func file_google_protobuf_empty_proto_init() {
+ if File_google_protobuf_empty_proto != nil {
+ return
+ }
+ if !protoimpl.UnsafeEnabled {
+ file_google_protobuf_empty_proto_msgTypes[0].Exporter = func(v interface{}, i int) interface{} {
+ switch v := v.(*Empty); i {
+ case 0:
+ return &v.state
+ case 1:
+ return &v.sizeCache
+ case 2:
+ return &v.unknownFields
+ default:
+ return nil
+ }
+ }
+ }
+ type x struct{}
+ out := protoimpl.TypeBuilder{
+ File: protoimpl.DescBuilder{
+ GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
+ RawDescriptor: file_google_protobuf_empty_proto_rawDesc,
+ NumEnums: 0,
+ NumMessages: 1,
+ NumExtensions: 0,
+ NumServices: 0,
+ },
+ GoTypes: file_google_protobuf_empty_proto_goTypes,
+ DependencyIndexes: file_google_protobuf_empty_proto_depIdxs,
+ MessageInfos: file_google_protobuf_empty_proto_msgTypes,
+ }.Build()
+ File_google_protobuf_empty_proto = out.File
+ file_google_protobuf_empty_proto_rawDesc = nil
+ file_google_protobuf_empty_proto_goTypes = nil
+ file_google_protobuf_empty_proto_depIdxs = nil
+}