// Copyright 2023 Google LLC

//

// 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

//

//     https://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.

#include "absl/log/absl_check.h"

#include "absl/types/optional.h"

#include "common/type.h"

#include "common/value.h"

#include "google/protobuf/message.h"

namespace cel::common_internal {

StructType LegacyStructValue::GetRuntimeType() const {

  return MessageType(message_ptr_->GetDescriptor());

}

bool IsLegacyStructValue(const Value& value) {

  return value.variant_.Is<LegacyStructValue>();

}

LegacyStructValue GetLegacyStructValue(const Value& value) {

  ABSL_DCHECK(IsLegacyStructValue(value));

  return value.variant_.Get<LegacyStructValue>();

}

absl::optional<LegacyStructValue> AsLegacyStructValue(const Value& value) {

  if (IsLegacyStructValue(value)) {

    return GetLegacyStructValue(value);

  }

  return std::nullopt;

}

}  // namespace cel::common_internal