146 lines
3.5 KiB
C
146 lines
3.5 KiB
C
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#pragma once
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class CImpIStream : public IStream
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{
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private:
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LONG m_cRef;
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protected:
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ULONG m_cbSeek;
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STATSTG m_statstg;
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public:
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CImpIStream(void);
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CImpIStream(PVOID pvData,ULONG cbSize);
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virtual ~CImpIStream(void);
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//IUnknown
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STDMETHODIMP QueryInterface(
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REFIID riid,
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void __RPC_FAR *__RPC_FAR *ppvObject);
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STDMETHODIMP_(ULONG) AddRef(void);
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STDMETHODIMP_(ULONG) Release(void);
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// IStream
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STDMETHODIMP Read(
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void __RPC_FAR *pv,
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ULONG cb,
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ULONG __RPC_FAR *pcbRead);
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STDMETHODIMP Write(
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const void __RPC_FAR *pv,
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ULONG cb,
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ULONG __RPC_FAR *pcbWritten);
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STDMETHODIMP Seek(
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LARGE_INTEGER dlibMove,
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DWORD dwOrigin,
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ULARGE_INTEGER __RPC_FAR *plibNewPosition);
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STDMETHODIMP SetSize(
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ULARGE_INTEGER libNewSize);
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STDMETHODIMP CopyTo(
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IStream __RPC_FAR *pstm,
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ULARGE_INTEGER cb,
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ULARGE_INTEGER __RPC_FAR *pcbRead,
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ULARGE_INTEGER __RPC_FAR *pcbWritten);
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STDMETHODIMP Commit(
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DWORD grfCommitFlags);
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STDMETHODIMP Revert( void);
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STDMETHODIMP LockRegion(
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ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb,
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DWORD dwLockType);
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STDMETHODIMP UnlockRegion(
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ULARGE_INTEGER libOffset,
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ULARGE_INTEGER cb,
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DWORD dwLockType);
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STDMETHODIMP Stat(
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STATSTG __RPC_FAR *pstatstg,
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DWORD grfStatFlag);
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STDMETHODIMP Clone(
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IStream __RPC_FAR *__RPC_FAR *ppstm);
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};
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class CStreamMem : public CImpIStream
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{
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private:
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PVOID m_pvData;
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BOOL m_fExternalData;
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public:
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CStreamMem(void);
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CStreamMem(PVOID pvData,ULONG cbSize);
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~CStreamMem(void);
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// IStream
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STDMETHODIMP Read(
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void __RPC_FAR *pv,
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ULONG cb,
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ULONG __RPC_FAR *pcbRead);
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STDMETHODIMP Write(
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const void __RPC_FAR *pv,
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ULONG cb,
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ULONG __RPC_FAR *pcbWritten);
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STDMETHODIMP Seek(
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LARGE_INTEGER dlibMove,
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DWORD dwOrigin,
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ULARGE_INTEGER __RPC_FAR *plibNewPosition);
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STDMETHODIMP SetSize(
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ULARGE_INTEGER libNewSize);
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STDMETHODIMP CopyTo(
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IStream __RPC_FAR *pstm,
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ULARGE_INTEGER cb,
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ULARGE_INTEGER __RPC_FAR *pcbRead,
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ULARGE_INTEGER __RPC_FAR *pcbWritten);
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STDMETHODIMP GetPointerFromStream(PVOID *ppv,DWORD *pdwSize);
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};
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class CStreamFile : public CImpIStream
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{
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private:
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HANDLE m_hFile;
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BOOL m_fCloseHandle;
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BOOL m_fReadOnly;
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public:
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CStreamFile(HANDLE hFile,BOOL fCloseHandle = FALSE, BOOL fReadOnly = FALSE);
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~CStreamFile(void);
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// IStream
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STDMETHODIMP Read(
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void __RPC_FAR *pv,
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ULONG cb,
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ULONG __RPC_FAR *pcbRead);
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STDMETHODIMP Write(
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const void __RPC_FAR *pv,
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ULONG cb,
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ULONG __RPC_FAR *pcbWritten);
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STDMETHODIMP Seek(
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LARGE_INTEGER dlibMove,
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DWORD dwOrigin,
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ULARGE_INTEGER __RPC_FAR *plibNewPosition);
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STDMETHODIMP SetSize(
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ULARGE_INTEGER libNewSize);
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STDMETHODIMP Commit(
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DWORD grfCommitFlags);
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};
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