// Copyright 2024 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.

#ifndef THIRD_PARTY_CEL_CPP_INTERNAL_MESSAGE_EQUALITY_H_

#define THIRD_PARTY_CEL_CPP_INTERNAL_MESSAGE_EQUALITY_H_

#include "absl/base/nullability.h"

#include "absl/status/statusor.h"

#include "google/protobuf/descriptor.h"

#include "google/protobuf/message.h"

namespace cel::internal {

// Tests whether one message is equal to another following CEL equality

// semantics.

absl::StatusOr<bool> MessageEquals(

const google::protobuf::Message& lhs, const google::protobuf::Message& rhs,

const google::protobuf::DescriptorPool* absl_nonnull pool,

google::protobuf::MessageFactory* absl_nonnull factory);

// Tests whether one message field is equal to another following CEL equality

// semantics.

absl::StatusOr<bool> MessageFieldEquals(

const google::protobuf::Message& lhs,

const google::protobuf::FieldDescriptor* absl_nonnull lhs_field,

const google::protobuf::Message& rhs,

const google::protobuf::FieldDescriptor* absl_nonnull rhs_field,

const google::protobuf::DescriptorPool* absl_nonnull pool,

google::protobuf::MessageFactory* absl_nonnull factory);

absl::StatusOr<bool> MessageFieldEquals(

const google::protobuf::Message& lhs, const google::protobuf::Message& rhs,

const google::protobuf::FieldDescriptor* absl_nonnull rhs_field,

const google::protobuf::DescriptorPool* absl_nonnull pool,

google::protobuf::MessageFactory* absl_nonnull factory);

absl::StatusOr<bool> MessageFieldEquals(

const google::protobuf::Message& lhs,

const google::protobuf::FieldDescriptor* absl_nonnull lhs_field,

const google::protobuf::Message& rhs, const google::protobuf::DescriptorPool* absl_nonnull pool,

google::protobuf::MessageFactory* absl_nonnull factory);

} // namespace cel::internal

#endif // THIRD_PARTY_CEL_CPP_INTERNAL_MESSAGE_EQUALITY_H_