ttrpc/cmd/protoc-gen-go-ttrpc/main.go
Derek McGowan 73b6a9156d Add optional feature in protobuf compiler
Fixes error "is a proto3 file that contains optional fields, but code generator protoc-gen-go-ttrpc hasn't been updated to support optional fields in proto3. Please ask the owner of this code generator to support proto3 optional."

Signed-off-by: Derek McGowan <derek@mcg.dev>
2024-02-21 13:51:52 -08:00

46 lines
1.2 KiB
Go

/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package main
import (
"google.golang.org/protobuf/compiler/protogen"
"google.golang.org/protobuf/types/pluginpb"
)
func main() {
var servicePrefix string
protogen.Options{
ParamFunc: func(name, value string) error {
if name == "prefix" {
servicePrefix = value
}
return nil
},
}.Run(func(gen *protogen.Plugin) error {
gen.SupportedFeatures = uint64(pluginpb.CodeGeneratorResponse_FEATURE_PROTO3_OPTIONAL)
for _, f := range gen.Files {
if !f.Generate {
continue
}
if err := generate(gen, f, servicePrefix); err != nil {
return err
}
}
return nil
})
}