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mirror of https://github.com/v2fly/v2ray-core.git synced 2024-12-21 17:46:58 -05:00
v2fly/common/protoext/extensions.go
2021-09-04 11:13:31 +01:00

32 lines
1.0 KiB
Go

package protoext
import (
"github.com/golang/protobuf/proto"
"google.golang.org/protobuf/reflect/protoreflect"
"google.golang.org/protobuf/types/descriptorpb"
)
//go:generate go run github.com/v2fly/v2ray-core/v4/common/errors/errorgen
func GetMessageOptions(msgDesc protoreflect.MessageDescriptor) (*MessageOpt, error) {
msgOpt := msgDesc.Options().(*descriptorpb.MessageOptions)
var V2MessageOption *MessageOpt
if msgOptRet, err := proto.GetExtension(msgOpt, E_MessageOpt); err != nil {
return nil, newError("unable to parse extension from message").Base(err)
} else {
V2MessageOption = msgOptRet.(*MessageOpt)
}
return V2MessageOption, nil
}
func GetFieldOptions(fieldDesc protoreflect.FieldDescriptor) (*FieldOpt, error) {
fieldOpt := fieldDesc.Options().(*descriptorpb.FieldOptions)
var V2FieldOption *FieldOpt
if msgOptRet, err := proto.GetExtension(fieldOpt, E_FieldOpt); err != nil {
return nil, newError("unable to parse extension from message").Base(err)
} else {
V2FieldOption = msgOptRet.(*FieldOpt)
}
return V2FieldOption, nil
}