54 lines
1.1 KiB
C++
54 lines
1.1 KiB
C++
#pragma once
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#include "../VTAll.hpp"
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#if defined(LIBCMO_OS_WIN32)
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#include <Windows.h>
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// disable annoy macro at the same time
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#undef GetObject
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#undef GetClassName
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#undef LoadImage
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#undef GetTempPath
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#else
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#include <sys/mman.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <fcntl.h>
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#include <unistd.h>
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#endif
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#include <string>
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#include <filesystem>
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namespace LibCmo::VxMath {
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class VxMemoryMappedFile {
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private:
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#if defined(LIBCMO_OS_WIN32)
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HANDLE m_hFile;
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DWORD m_dwFileSizeLow, m_dwFileSizeHigh;
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HANDLE m_hFileMapping;
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LPVOID m_hFileMapView;
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#else
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int m_hFile;
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off_t m_offFileSize;
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void* m_pFileAddr;
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#endif
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std::filesystem::path m_szFilePath;
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void* m_pMemoryMappedFileBase;
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size_t m_cbFile;
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bool m_bIsValid;
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public:
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VxMemoryMappedFile(const char* u8_filepath);
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VxMemoryMappedFile(const VxMemoryMappedFile&) = delete;
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VxMemoryMappedFile& operator=(const VxMemoryMappedFile&) = delete;
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~VxMemoryMappedFile(void);
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void* GetBase(void) { return this->m_pMemoryMappedFileBase; }
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CKDWORD GetFileSize(void) { return static_cast<CKDWORD>(this->m_cbFile); }
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bool IsValid(void) { return this->m_bIsValid; }
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};
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}
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