FileMapping.hpp

// Copyright 2019 Pokitec
// All rights reserved.
 
#pragma once
 
#include "TTauri/Foundation/File.hpp"
#include <memory>
#include <unordered_map>
 
namespace tt {
 
struct FileMapping {
    std::shared_ptr<File> file;
 
    size_t size;
 
    FileHandle mapHandle;
 
    FileMapping(std::shared_ptr<File> const& file, size_t size);
 
    FileMapping(URL const& path, AccessMode accessMode, size_t size);
    ~FileMapping();
 
    FileMapping(FileMapping const &other) = delete;
    FileMapping(FileMapping &&other) = delete;
    FileMapping &operator=(FileMapping const &other) = delete;
    FileMapping &operator=(FileMapping &&other) = delete;
 
    [[nodiscard]] AccessMode accessMode() const noexcept{ return file->accessMode; }
 
    [[nodiscard]] URL const &location() const noexcept { return file->location; }
 
private:
    [[nodiscard]] static std::shared_ptr<File> findOrOpenFile(URL const& path, AccessMode accessMode);
};
 
}