File.hpp

 
#pragma once
#include <alicorn\boost\filesystem\load-binary-file.hpp>
 
namespace covellite
{
 
namespace gui
{

class File final :
  public CovelliteGui::FileInterface
{
  using Path_t = CovelliteGui::String;
  using Handle_t = CovelliteGui::FileHandle;
  using Data_t = ::alicorn::extension::std::memory::BinaryData_t;
 
  struct FileInfo
  {
    Data_t Data;
    size_t Position;
  };
 
public:
  // Интерфейс FileInterface:
  Handle_t Open(const Path_t &) override;
  void Close(Handle_t) override;
 
  size_t Read(void *, size_t, Handle_t) override;
  bool Seek(Handle_t, long, int) override;
  size_t Tell(Handle_t) override;
 
  size_t Length(Handle_t) override;
 
private:
  static Handle_t MakeUniqueHandle(void) noexcept;
 
private:
  ::std::map<Handle_t, FileInfo> m_Infos;
};
 
} // namespace gui
 
} // namespace covellite