func (p *enumstringer) Generate(file *generator.FileDescriptor) { p.PluginImports = generator.NewPluginImports(p.Generator) p.atleastOne = false p.localName = generator.FileName(file) strconvPkg := p.NewImport("strconv") for _, enum := range file.Enums() { if !gogoproto.IsEnumStringer(file.FileDescriptorProto, enum.EnumDescriptorProto) { continue } if gogoproto.IsGoEnumStringer(file.FileDescriptorProto, enum.EnumDescriptorProto) { panic("old enum string method needs to be disabled, please use gogoproto.old_enum_stringer or gogoproto.old_enum_string_all and set it to false") } p.atleastOne = true ccTypeName := generator.CamelCaseSlice(enum.TypeName()) p.P("func (x ", ccTypeName, ") String() string {") p.In() p.P(`s, ok := `, ccTypeName, `_name[int32(x)]`) p.P(`if ok {`) p.In() p.P(`return s`) p.Out() p.P(`}`) p.P(`return `, strconvPkg.Use(), `.Itoa(int(x))`) p.Out() p.P(`}`) } if !p.atleastOne { return } }