StorageFile.hpp

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// ----------------- BEGIN LICENSE BLOCK ---------------------------------
//
// Copyright (C) 2018-2021 Intel Corporation
//
// SPDX-License-Identifier: MIT
//
// ----------------- END LICENSE BLOCK -----------------------------------
#pragma once
 
#include <stdio.h>
#include "ad/map/serialize/IStorage.hpp"
 
namespace ad {
namespace map {
namespace serialize {
 
class StorageFile : protected virtual IStorage
{
protected: // Constructor/Destructor
  StorageFile();
  virtual ~StorageFile();
 
public: // IStorage Implementation
  const char *getStorageType() override
  {
    return "File";
  }
 
protected: // IStorage Implementation
  bool doOpenForRead(std::string const &config) override
  {
    return doOpen(config, "rb");
  };
 
  bool doOpenForWrite(std::string const &config) override
  {
    return doOpen(config, "wb");
  }
 
  bool doCloseForRead() override
  {
    return doClose();
  }
 
  bool doCloseForWrite() override
  {
    return doClose();
  }
 
  bool doWrite(const void *x, size_t bytes) override;
  bool doRead(void *x, size_t bytes) override;
 
private: // Aux Methods
  bool doOpen(std::string const &config, std::string const &flags);
  bool doClose();
 
private: // Data Members
  FILE *file_;
};
 
} // namespace serialize
} // namespace map
} // namespace ad