////////////////////////////////////////////////////////////////////////////////
// Copyright 2017 Google LLC.
//
// This software is licensed under the terms defined in the Widevine Master
// License Agreement. For a copy of this agreement, please contact
// widevine-licensing@google.com.
////////////////////////////////////////////////////////////////////////////////

#ifndef UTIL_PROTO_STATUS_H_
#define UTIL_PROTO_STATUS_H_

#include "google/protobuf/descriptor.h"
#include "google/protobuf/generated_enum_reflection.h"
#include "util/error_space.h"

namespace widevine {
namespace util {

template <typename T>
class ProtoEnumErrorSpace
    : public util::ErrorSpaceImpl<ProtoEnumErrorSpace<T>> {
 public:
  static std::string space_name() {
    return google::protobuf::GetEnumDescriptor<T>()->full_name();
  }

  static std::string code_to_string(int code) {
    const google::protobuf::EnumValueDescriptor* v =
        google::protobuf::GetEnumDescriptor<T>()->FindValueByNumber(code);
    if (v) return v->name();
    return std::to_string(code);
  }

};

}  // namespace util
}  // namespace widevine

#endif  // UTIL_PROTO_STATUS_H_