/* Copyright (c) 2018 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 <string>
#include <vector>

#include "common/types.h"
#include "framework/framework.pb-c.h"
#include "framework/program/block_desc.h"

namespace paddle_mobile {
namespace framework {

class ProgramDesc {
 public:
  friend class Node;
  friend class ProgramOptimize;
  explicit ProgramDesc(PaddleMobile__Framework__Proto__ProgramDesc *desc);

  ProgramDesc(const ProgramDesc &program_desc) {
    for (auto &block : program_desc.blocks_) {
      std::shared_ptr<BlockDesc> copy_block =
          std::make_shared<BlockDesc>(*block);
      blocks_.push_back(copy_block);
    }
  }

  std::shared_ptr<BlockDesc> Block(size_t idx);

  BlockDesc *MutableBlock(size_t idx) {
    if (idx == -1) {
      return nullptr;
    } else {
      return blocks_[idx].get();
    }
  }

  const std::vector<std::shared_ptr<BlockDesc>> &Blocks() const {
    return blocks_;
  }

  void Description(std::string header = "") const;

 private:
  std::vector<std::shared_ptr<BlockDesc>> blocks_;
};

}  // namespace framework
}  // namespace paddle_mobile