file_io.hpp

// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.
 
#pragma once
 
#include <azure/core/platform.hpp>
 
#include <cstdint>
#include <string>
 
namespace Azure { namespace Storage { namespace _internal {
 
#if defined(AZ_PLATFORM_WINDOWS)
  using FileHandle = void*;
#elif defined(AZ_PLATFORM_POSIX)
  using FileHandle = int;
#endif
 
  class FileReader final {
  public:
    FileReader(const std::string& filename);
 
    ~FileReader();
 
    FileHandle GetHandle() const { return m_handle; }
 
    int64_t GetFileSize() const { return m_fileSize; }
 
  private:
    FileHandle m_handle;
    int64_t m_fileSize;
  };
 
  class FileWriter final {
  public:
    FileWriter(const std::string& filename);
 
    ~FileWriter();
 
    FileHandle GetHandle() const { return m_handle; }
 
    void Write(const uint8_t* buffer, size_t length, int64_t offset);
 
  private:
    FileHandle m_handle;
  };
 
}}} // namespace Azure::Storage::_internal