libcmo21/LibCmo/VxMemoryMappedFile.hpp
2023-02-25 17:39:39 +08:00

43 lines
933 B
C++

#pragma once
#include "VTUtils.hpp"
#if defined(LIBCMO_OS_WIN32)
#include <Windows.h>
#else
#include <sys/mman.h>
#endif
#include <string>
namespace LibCmo {
class VxMemoryMappedFile {
private:
#if defined(LIBCMO_OS_WIN32)
std::wstring m_szFilePath;
HANDLE m_hFile;
DWORD m_dwFileSizeLow, m_dwFileSizeHigh;
HANDLE m_hFileMapping;
LPVOID m_hFileMapView;
#else
std::string m_szFilePath;
#error NO IMPLEMENTATION FOR LINUX MMAP!
#endif
void* m_pMemoryMappedFileBase;
size_t m_cbFile;
bool m_bIsValid;
public:
VxMemoryMappedFile(const char* u8_filepath);
VxMemoryMappedFile(const VxMemoryMappedFile&) = delete;
VxMemoryMappedFile& operator=(const VxMemoryMappedFile&) = delete;
~VxMemoryMappedFile(void);
inline void* GetBase(void) { return this->m_pMemoryMappedFileBase; }
inline size_t GetFileSize(void) { return this->m_cbFile; }
inline bool IsValid(void) { return this->m_bIsValid; }
};
}