func (g *Generator) GetMapKeyField(field, keyField *descriptor.FieldDescriptorProto) *descriptor.FieldDescriptorProto {
if !gogoproto.IsCastKey(field) {
return keyField
}
keyField = proto.Clone(keyField).(*descriptor.FieldDescriptorProto)
if keyField.Options == nil {
keyField.Options = &descriptor.FieldOptions{}
}
keyType := gogoproto.GetCastKey(field)
if err := proto.SetExtension(keyField.Options, gogoproto.E_Casttype, &keyType); err != nil {
g.Fail(err.Error())
}
return keyField
}
func (g *Generator) GetMapValueField(field, valField *descriptor.FieldDescriptorProto) *descriptor.FieldDescriptorProto {
if gogoproto.IsCustomType(field) && gogoproto.IsCastValue(field) {
g.Fail("cannot have a customtype and casttype: ", field.String())
}
valField = proto.Clone(valField).(*descriptor.FieldDescriptorProto)
if valField.Options == nil {
valField.Options = &descriptor.FieldOptions{}
}
stdtime := gogoproto.IsStdTime(field)
if stdtime {
if err := proto.SetExtension(valField.Options, gogoproto.E_Stdtime, &stdtime); err != nil {
g.Fail(err.Error())
}
}
stddur := gogoproto.IsStdDuration(field)
if stddur {
if err := proto.SetExtension(valField.Options, gogoproto.E_Stdduration, &stddur); err != nil {
g.Fail(err.Error())
}
}
if valType := gogoproto.GetCastValue(field); len(valType) > 0 {
if err := proto.SetExtension(valField.Options, gogoproto.E_Casttype, &valType); err != nil {
g.Fail(err.Error())
}
}
if valType := gogoproto.GetCustomType(field); len(valType) > 0 {
if err := proto.SetExtension(valField.Options, gogoproto.E_Customtype, &valType); err != nil {
g.Fail(err.Error())
}
}
nullable := gogoproto.IsNullable(field)
if err := proto.SetExtension(valField.Options, gogoproto.E_Nullable, &nullable); err != nil {
g.Fail(err.Error())
}
return valField
}