GrpcDocStringExtractor.java 文件源码

private static Optional<String> appendToFullName(
        DescriptorProto messageDescriptor, List<Integer> path, String fullNameSoFar) {
    switch (path.get(0)) {
        case DescriptorProto.NESTED_TYPE_FIELD_NUMBER:
            DescriptorProto nestedMessage = messageDescriptor.getNestedType(path.get(1));
            return appendMessageToFullName(nestedMessage, path, fullNameSoFar);
        case DescriptorProto.ENUM_TYPE_FIELD_NUMBER:
            EnumDescriptorProto enumDescriptor = messageDescriptor.getEnumType(path.get(1));
            return Optional.of(appendEnumToFullName(enumDescriptor, path, fullNameSoFar));
        case DescriptorProto.FIELD_FIELD_NUMBER:
            FieldDescriptorProto fieldDescriptor = messageDescriptor.getField(path.get(1));
            return Optional.of(appendFieldComponent(fullNameSoFar, fieldDescriptor.getName()));
        default:
            return Optional.empty();
    }
}