mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-29 23:30:04 +01:00
253 lines
9.5 KiB
Go
253 lines
9.5 KiB
Go
// 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()))
|
|
}
|