// Copyright (c) 2019 PaddlePaddle Authors. All Rights Reserved.
//
// 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
//
//     http://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.

#pragma once

#include <vector>
#include "lite/core/framework.pb.h"
#include "lite/model_parser/desc_apis.h"
#include "lite/utils/cp_logging.h"

namespace paddle {
namespace lite {
namespace pb {

class ProgramDesc : public ProgramDescAPI {
 public:
  ProgramDesc() = delete;

  explicit ProgramDesc(framework::proto::ProgramDesc *desc) : desc_(desc) {
    CHECK(desc_);
  }

  framework::proto::ProgramDesc *Proto() { return desc_; }

  const framework::proto::ProgramDesc &ReadonlyProto() const { return *desc_; }

  size_t BlocksSize() const override { return desc_->blocks_size(); }

  void ClearBlocks() override { desc_->clear_blocks(); }

  template <typename T>
  T *GetBlock(int32_t idx);

  template <typename T>
  T const *GetBlock(int32_t idx) const {
    return GetBlock<T>(idx);
  }

  template <typename T>
  T *AddBlock();

  bool HasVersion() const override { return desc_->has_version(); }

  int64_t Version() const override { return desc_->version().version(); }

  void SetVersion(int64_t version) override {
    desc_->mutable_version()->set_version(version);
  }

 private:
  framework::proto::ProgramDesc *desc_;  // not_own
};

}  // namespace pb
}  // namespace lite
}  // namespace paddle
