#pragma once
#import <msxml3.dll> raw_method_prefix("") high_method_prefix("_") exclude("IErrorInfo") 

class IFileStream : public IStream
{
	HANDLE m_hFile;
public:
	IFileStream(LPCWSTR szFile);
	virtual ~IFileStream();

    // This must be correctly implemented, if your handler must be a COM Object 
	// the current implementation is NOT thread-safe
    long __stdcall QueryInterface(const struct _GUID &,void ** );
    unsigned long __stdcall AddRef(void);
    unsigned long __stdcall Release(void);

    virtual /* [local] */ HRESULT STDMETHODCALLTYPE Write( 
            /* [size_is][in] */ const void __RPC_FAR *pv,
            /* [in] */ ULONG cb,
            /* [out] */ ULONG __RPC_FAR *pcbWritten);

	//NOTE: MXXMLWriter only calls the Write method of the IStream interface,
	//so the remaining IStream methods are stubbed out below to NO-OPs.
	virtual /* [local] */ HRESULT STDMETHODCALLTYPE Read( 
            /* [length_is][size_is][out] */ void __RPC_FAR *pv,
            /* [in] */ ULONG cb,
            /* [out] */ ULONG __RPC_FAR *pcbRead) { return S_OK; }
        

    virtual /* [local] */ HRESULT STDMETHODCALLTYPE Seek( 
        /* [in] */ LARGE_INTEGER dlibMove,
        /* [in] */ DWORD dwOrigin,
        /* [out] */ ULARGE_INTEGER __RPC_FAR *plibNewPosition) { return S_OK; }
    
    virtual HRESULT STDMETHODCALLTYPE SetSize( 
	/* [in] */ ULARGE_INTEGER libNewSize) { return S_OK; }
    
    virtual /* [local] */ HRESULT STDMETHODCALLTYPE CopyTo( 
        /* [unique][in] */ IStream __RPC_FAR *pstm,
        /* [in] */ ULARGE_INTEGER cb,
        /* [out] */ ULARGE_INTEGER __RPC_FAR *pcbRead,
        /* [out] */ ULARGE_INTEGER __RPC_FAR *pcbWritten) { return S_OK; }
    
    virtual HRESULT STDMETHODCALLTYPE Commit( 
	/* [in] */ DWORD grfCommitFlags) { return S_OK; }
    
    virtual HRESULT STDMETHODCALLTYPE Revert( void) { return S_OK; }
    
    virtual HRESULT STDMETHODCALLTYPE LockRegion( 
        /* [in] */ ULARGE_INTEGER libOffset,
        /* [in] */ ULARGE_INTEGER cb,
        /* [in] */ DWORD dwLockType) {return S_OK;}
    
    virtual HRESULT STDMETHODCALLTYPE UnlockRegion( 
        /* [in] */ ULARGE_INTEGER libOffset,
        /* [in] */ ULARGE_INTEGER cb,
        /* [in] */ DWORD dwLockType) { return S_OK; }
    
    virtual HRESULT STDMETHODCALLTYPE Stat( 
        /* [out] */ STATSTG __RPC_FAR *pstatstg,
        /* [in] */ DWORD grfStatFlag) { return S_OK; }
    
    virtual HRESULT STDMETHODCALLTYPE Clone( 
	/* [out] */ IStream __RPC_FAR *__RPC_FAR *ppstm) { return S_OK; }
private:
	ULONG m_refCnt;
};


class MXFileWriter : public MSXML2::IMXWriterPtr
{
	IFileStream *m_pFileStream;
public:
	MXFileWriter(LPCWSTR szFile);
	virtual ~MXFileWriter();
	SetFileLocation(LPCWSTR szFile);
};