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Diffstat (limited to 'vendor/google.golang.org/protobuf/reflect/protodesc/proto.go')
-rw-r--r--vendor/google.golang.org/protobuf/reflect/protodesc/proto.go252
1 files changed, 252 insertions, 0 deletions
diff --git a/vendor/google.golang.org/protobuf/reflect/protodesc/proto.go b/vendor/google.golang.org/protobuf/reflect/protodesc/proto.go
new file mode 100644
index 00000000..a7c5ceff
--- /dev/null
+++ b/vendor/google.golang.org/protobuf/reflect/protodesc/proto.go
@@ -0,0 +1,252 @@
+// 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 protodesc
+
+import (
+ "fmt"
+ "strings"
+
+ "google.golang.org/protobuf/internal/encoding/defval"
+ "google.golang.org/protobuf/internal/strs"
+ "google.golang.org/protobuf/proto"
+ "google.golang.org/protobuf/reflect/protoreflect"
+
+ "google.golang.org/protobuf/types/descriptorpb"
+)
+
+// ToFileDescriptorProto copies a protoreflect.FileDescriptor into a
+// google.protobuf.FileDescriptorProto message.
+func ToFileDescriptorProto(file protoreflect.FileDescriptor) *descriptorpb.FileDescriptorProto {
+ p := &descriptorpb.FileDescriptorProto{
+ Name: proto.String(file.Path()),
+ Options: proto.Clone(file.Options()).(*descriptorpb.FileOptions),
+ }
+ if file.Package() != "" {
+ p.Package = proto.String(string(file.Package()))
+ }
+ for i, imports := 0, file.Imports(); i < imports.Len(); i++ {
+ imp := imports.Get(i)
+ p.Dependency = append(p.Dependency, imp.Path())
+ if imp.IsPublic {
+ p.PublicDependency = append(p.PublicDependency, int32(i))
+ }
+ if imp.IsWeak {
+ p.WeakDependency = append(p.WeakDependency, int32(i))
+ }
+ }
+ for i, locs := 0, file.SourceLocations(); i < locs.Len(); i++ {
+ loc := locs.Get(i)
+ l := &descriptorpb.SourceCodeInfo_Location{}
+ l.Path = append(l.Path, loc.Path...)
+ if loc.StartLine == loc.EndLine {
+ l.Span = []int32{int32(loc.StartLine), int32(loc.StartColumn), int32(loc.EndColumn)}
+ } else {
+ l.Span = []int32{int32(loc.StartLine), int32(loc.StartColumn), int32(loc.EndLine), int32(loc.EndColumn)}
+ }
+ l.LeadingDetachedComments = append([]string(nil), loc.LeadingDetachedComments...)
+ if loc.LeadingComments != "" {
+ l.LeadingComments = proto.String(loc.LeadingComments)
+ }
+ if loc.TrailingComments != "" {
+ l.TrailingComments = proto.String(loc.TrailingComments)
+ }
+ if p.SourceCodeInfo == nil {
+ p.SourceCodeInfo = &descriptorpb.SourceCodeInfo{}
+ }
+ p.SourceCodeInfo.Location = append(p.SourceCodeInfo.Location, l)
+
+ }
+ for i, messages := 0, file.Messages(); i < messages.Len(); i++ {
+ p.MessageType = append(p.MessageType, ToDescriptorProto(messages.Get(i)))
+ }
+ for i, enums := 0, file.Enums(); i < enums.Len(); i++ {
+ p.EnumType = append(p.EnumType, ToEnumDescriptorProto(enums.Get(i)))
+ }
+ for i, services := 0, file.Services(); i < services.Len(); i++ {
+ p.Service = append(p.Service, ToServiceDescriptorProto(services.Get(i)))
+ }
+ for i, exts := 0, file.Extensions(); i < exts.Len(); i++ {
+ p.Extension = append(p.Extension, ToFieldDescriptorProto(exts.Get(i)))
+ }
+ if syntax := file.Syntax(); syntax != protoreflect.Proto2 {
+ p.Syntax = proto.String(file.Syntax().String())
+ }
+ return p
+}
+
+// ToDescriptorProto copies a protoreflect.MessageDescriptor into a
+// google.protobuf.DescriptorProto message.
+func ToDescriptorProto(message protoreflect.MessageDescriptor) *descriptorpb.DescriptorProto {
+ p := &descriptorpb.DescriptorProto{
+ Name: proto.String(string(message.Name())),
+ Options: proto.Clone(message.Options()).(*descriptorpb.MessageOptions),
+ }
+ for i, fields := 0, message.Fields(); i < fields.Len(); i++ {
+ p.Field = append(p.Field, ToFieldDescriptorProto(fields.Get(i)))
+ }
+ for i, exts := 0, message.Extensions(); i < exts.Len(); i++ {
+ p.Extension = append(p.Extension, ToFieldDescriptorProto(exts.Get(i)))
+ }
+ for i, messages := 0, message.Messages(); i < messages.Len(); i++ {
+ p.NestedType = append(p.NestedType, ToDescriptorProto(messages.Get(i)))
+ }
+ for i, enums := 0, message.Enums(); i < enums.Len(); i++ {
+ p.EnumType = append(p.EnumType, ToEnumDescriptorProto(enums.Get(i)))
+ }
+ for i, xranges := 0, message.ExtensionRanges(); i < xranges.Len(); i++ {
+ xrange := xranges.Get(i)
+ p.ExtensionRange = append(p.ExtensionRange, &descriptorpb.DescriptorProto_ExtensionRange{
+ Start: proto.Int32(int32(xrange[0])),
+ End: proto.Int32(int32(xrange[1])),
+ Options: proto.Clone(message.ExtensionRangeOptions(i)).(*descriptorpb.ExtensionRangeOptions),
+ })
+ }
+ for i, oneofs := 0, message.Oneofs(); i < oneofs.Len(); i++ {
+ p.OneofDecl = append(p.OneofDecl, ToOneofDescriptorProto(oneofs.Get(i)))
+ }
+ for i, ranges := 0, message.ReservedRanges(); i < ranges.Len(); i++ {
+ rrange := ranges.Get(i)
+ p.ReservedRange = append(p.ReservedRange, &descriptorpb.DescriptorProto_ReservedRange{
+ Start: proto.Int32(int32(rrange[0])),
+ End: proto.Int32(int32(rrange[1])),
+ })
+ }
+ for i, names := 0, message.ReservedNames(); i < names.Len(); i++ {
+ p.ReservedName = append(p.ReservedName, string(names.Get(i)))
+ }
+ return p
+}
+
+// ToFieldDescriptorProto copies a protoreflect.FieldDescriptor into a
+// google.protobuf.FieldDescriptorProto message.
+func ToFieldDescriptorProto(field protoreflect.FieldDescriptor) *descriptorpb.FieldDescriptorProto {
+ p := &descriptorpb.FieldDescriptorProto{
+ Name: proto.String(string(field.Name())),
+ Number: proto.Int32(int32(field.Number())),
+ Label: descriptorpb.FieldDescriptorProto_Label(field.Cardinality()).Enum(),
+ Options: proto.Clone(field.Options()).(*descriptorpb.FieldOptions),
+ }
+ if field.IsExtension() {
+ p.Extendee = fullNameOf(field.ContainingMessage())
+ }
+ if field.Kind().IsValid() {
+ p.Type = descriptorpb.FieldDescriptorProto_Type(field.Kind()).Enum()
+ }
+ if field.Enum() != nil {
+ p.TypeName = fullNameOf(field.Enum())
+ }
+ if field.Message() != nil {
+ p.TypeName = fullNameOf(field.Message())
+ }
+ if field.HasJSONName() {
+ // A bug in older versions of protoc would always populate the
+ // "json_name" option for extensions when it is meaningless.
+ // When it did so, it would always use the camel-cased field name.
+ if field.IsExtension() {
+ p.JsonName = proto.String(strs.JSONCamelCase(string(field.Name())))
+ } else {
+ p.JsonName = proto.String(field.JSONName())
+ }
+ }
+ if field.Syntax() == protoreflect.Proto3 && field.HasOptionalKeyword() {
+ p.Proto3Optional = proto.Bool(true)
+ }
+ if field.HasDefault() {
+ def, err := defval.Marshal(field.Default(), field.DefaultEnumValue(), field.Kind(), defval.Descriptor)
+ if err != nil && field.DefaultEnumValue() != nil {
+ def = string(field.DefaultEnumValue().Name()) // occurs for unresolved enum values
+ } else if err != nil {
+ panic(fmt.Sprintf("%v: %v", field.FullName(), err))
+ }
+ p.DefaultValue = proto.String(def)
+ }
+ if oneof := field.ContainingOneof(); oneof != nil {
+ p.OneofIndex = proto.Int32(int32(oneof.Index()))
+ }
+ return p
+}
+
+// ToOneofDescriptorProto copies a protoreflect.OneofDescriptor into a
+// google.protobuf.OneofDescriptorProto message.
+func ToOneofDescriptorProto(oneof protoreflect.OneofDescriptor) *descriptorpb.OneofDescriptorProto {
+ return &descriptorpb.OneofDescriptorProto{
+ Name: proto.String(string(oneof.Name())),
+ Options: proto.Clone(oneof.Options()).(*descriptorpb.OneofOptions),
+ }
+}
+
+// ToEnumDescriptorProto copies a protoreflect.EnumDescriptor into a
+// google.protobuf.EnumDescriptorProto message.
+func ToEnumDescriptorProto(enum protoreflect.EnumDescriptor) *descriptorpb.EnumDescriptorProto {
+ p := &descriptorpb.EnumDescriptorProto{
+ Name: proto.String(string(enum.Name())),
+ Options: proto.Clone(enum.Options()).(*descriptorpb.EnumOptions),
+ }
+ for i, values := 0, enum.Values(); i < values.Len(); i++ {
+ p.Value = append(p.Value, ToEnumValueDescriptorProto(values.Get(i)))
+ }
+ for i, ranges := 0, enum.ReservedRanges(); i < ranges.Len(); i++ {
+ rrange := ranges.Get(i)
+ p.ReservedRange = append(p.ReservedRange, &descriptorpb.EnumDescriptorProto_EnumReservedRange{
+ Start: proto.Int32(int32(rrange[0])),
+ End: proto.Int32(int32(rrange[1])),
+ })
+ }
+ for i, names := 0, enum.ReservedNames(); i < names.Len(); i++ {
+ p.ReservedName = append(p.ReservedName, string(names.Get(i)))
+ }
+ return p
+}
+
+// ToEnumValueDescriptorProto copies a protoreflect.EnumValueDescriptor into a
+// google.protobuf.EnumValueDescriptorProto message.
+func ToEnumValueDescriptorProto(value protoreflect.EnumValueDescriptor) *descriptorpb.EnumValueDescriptorProto {
+ return &descriptorpb.EnumValueDescriptorProto{
+ Name: proto.String(string(value.Name())),
+ Number: proto.Int32(int32(value.Number())),
+ Options: proto.Clone(value.Options()).(*descriptorpb.EnumValueOptions),
+ }
+}
+
+// ToServiceDescriptorProto copies a protoreflect.ServiceDescriptor into a
+// google.protobuf.ServiceDescriptorProto message.
+func ToServiceDescriptorProto(service protoreflect.ServiceDescriptor) *descriptorpb.ServiceDescriptorProto {
+ p := &descriptorpb.ServiceDescriptorProto{
+ Name: proto.String(string(service.Name())),
+ Options: proto.Clone(service.Options()).(*descriptorpb.ServiceOptions),
+ }
+ for i, methods := 0, service.Methods(); i < methods.Len(); i++ {
+ p.Method = append(p.Method, ToMethodDescriptorProto(methods.Get(i)))
+ }
+ return p
+}
+
+// ToMethodDescriptorProto copies a protoreflect.MethodDescriptor into a
+// google.protobuf.MethodDescriptorProto message.
+func ToMethodDescriptorProto(method protoreflect.MethodDescriptor) *descriptorpb.MethodDescriptorProto {
+ p := &descriptorpb.MethodDescriptorProto{
+ Name: proto.String(string(method.Name())),
+ InputType: fullNameOf(method.Input()),
+ OutputType: fullNameOf(method.Output()),
+ Options: proto.Clone(method.Options()).(*descriptorpb.MethodOptions),
+ }
+ if method.IsStreamingClient() {
+ p.ClientStreaming = proto.Bool(true)
+ }
+ if method.IsStreamingServer() {
+ p.ServerStreaming = proto.Bool(true)
+ }
+ return p
+}
+
+func fullNameOf(d protoreflect.Descriptor) *string {
+ if d == nil {
+ return nil
+ }
+ if strings.HasPrefix(string(d.FullName()), unknownPrefix) {
+ return proto.String(string(d.FullName()[len(unknownPrefix):]))
+ }
+ return proto.String("." + string(d.FullName()))
+}