mirror of
https://github.com/ldematte/HostedPumpkin
synced 2026-06-08 15:25:15 +00:00
Lorenzo Dematté
99 lines
2.3 KiB
C++
99 lines
2.3 KiB
C++
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#ifndef FILESTREAM_H_INCLUDED
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#define FILESTREAM_H_INCLUDED
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#define WIN32_LEAN_AND_MEAN // Exclude rarely-used stuff from Windows headers
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#ifndef _WIN32_WINNT
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#define _WIN32_WINNT _WIN32_WINNT_WINXP
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#endif
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#include <ObjIdlbase.h>
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#include <windows.h>
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class SHFileStream : public IStream {
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private:
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volatile LONG m_cRef;
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HANDLE m_hFile;
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LPCWSTR m_fileName;
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private:
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STDMETHODIMP Open(DWORD dwOpenMode);
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public:
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SHFileStream(LPCWSTR fileName);
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virtual ~SHFileStream();
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// Additional functions
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STDMETHODIMP OpenRead();
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STDMETHODIMP OpenWrite();
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STDMETHODIMP Close();
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// IUnknown functions
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STDMETHODIMP_(DWORD) AddRef();
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STDMETHODIMP_(DWORD) Release();
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STDMETHODIMP QueryInterface(const IID &riid, void **ppvObject);
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// ISequentialStream functions
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STDMETHODIMP Read(
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/* [annotation] */
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_Out_writes_bytes_to_(cb, *pcbRead) void *pv,
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/* [annotation][in] */
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_In_ ULONG cb,
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/* [annotation] */
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_Out_opt_ ULONG *pcbRead);
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STDMETHODIMP Write(
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/* [annotation] */
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_In_reads_bytes_(cb) const void *pv,
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/* [annotation][in] */
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_In_ ULONG cb,
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/* [annotation] */
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_Out_opt_ ULONG *pcbWritten);
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// IStream functions
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STDMETHODIMP Seek(
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/* [in] */ LARGE_INTEGER dlibMove,
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/* [in] */ DWORD dwOrigin,
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/* [annotation] */
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_Out_opt_ ULARGE_INTEGER *plibNewPosition);
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STDMETHODIMP SetSize(
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/* [in] */ ULARGE_INTEGER libNewSize);
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STDMETHODIMP CopyTo(
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/* [annotation][unique][in] */
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_In_ IStream *pstm,
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/* [in] */ ULARGE_INTEGER cb,
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/* [annotation] */
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_Out_opt_ ULARGE_INTEGER *pcbRead,
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/* [annotation] */
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_Out_opt_ ULARGE_INTEGER *pcbWritten);
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STDMETHODIMP Commit(
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/* [in] */ DWORD grfCommitFlags);
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STDMETHODIMP Revert(void);
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STDMETHODIMP LockRegion(
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/* [in] */ ULARGE_INTEGER libOffset,
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/* [in] */ ULARGE_INTEGER cb,
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/* [in] */ DWORD dwLockType);
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STDMETHODIMP UnlockRegion(
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/* [in] */ ULARGE_INTEGER libOffset,
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/* [in] */ ULARGE_INTEGER cb,
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/* [in] */ DWORD dwLockType);
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STDMETHODIMP Stat(
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/* [out] */ __RPC__out STATSTG *pstatstg,
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/* [in] */ DWORD grfStatFlag);
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STDMETHODIMP Clone(
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/* [out] */ __RPC__deref_out_opt IStream **ppstm);
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};
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#endif //FILESTREAM_H_INCLUDED
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