MMapBackedFileContents.h

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#pragma once
 
#if !defined( EMSCRIPTEN )
 
#include "FileContents.h"
#include "FileHandle.h"
 
namespace Cogs {
  struct MMapBackedFileContents : public FileContents {
    FileHandle::Ptr   file;
    std::string       path;
 
    MMapBackedFileContents(const uint8_t*         ptr,
                           size_t                 size,
                           const FileHandle::Ptr& file,
                           const std::string&     path,
                           FileContentsHints hints) : FileContents(ptr, size, hints), file(file), path(path) {}
 
    ~MMapBackedFileContents() override = default;
 
    [[nodiscard]] Memory::MemoryBuffer  take() override     { return takeCopy(); }
    [[nodiscard]] StringView            origin() override   { return path; }
  };
}
 
#endif