cfilestream.h

#ifndef CFILESTREAM_H__
#define CFILESTREAM_H__ 1

#include "p6loader.h"
#include "p6file.h"

namespace P6EXAMPLES {

   //
   // This defines a private interface that will be used
   // to initalize our console stream.  The createInstance()
   // method returns only interface pointers and this 
   // allows us to ask it for this interface.  Once 
   // initialize() has been successfully called, 
   // queryInterface() is used to retrieve the p6IDataStream
   // interface.
   //
   interface IFileStreamInit : public P6R::p6ICom
   {
      P6COMMETHOD initialize( const P6R::P6WCHAR *pFilePath ) = 0;
   };
   // {33D82C1E-C5A3-43CE-BBE1-3B8716AD6B08}
   #define IF_IFileStreamInit {0x33D82C1E,0xC5A3,0x43CE,{0xBB,0xE1,0x3B,0x87,0x16,0xAD,0x6B,0x08}}

   class CFileStream : public IFileStreamInit, public P6R::p6IDataStream
   {
   public:
      //
      // P6COM Helper macro declares p6ICom methods 
      // - queryInterface() 
      // - addref() 
      // - release() 
      // - createInstance() <- This is a static method 
      //                       used to create an instance
      //                       of this component.
      //
      P6_DECL_ICOM
   
      //
      // p6IDataStream Methods
      //
      P6COMMETHOD beginStream();
      P6COMMETHOD processStream( const P6R::P6VOID *pData, P6R::P6UINT32 cData );
      P6COMMETHOD endStream();
   
      //
      // IFileStreamTSInit methods
      //
      P6COMMETHOD initialize( const P6R::P6WCHAR *pFilePath );
   
      CFileStream();   
      virtual ~CFileStream();
   
   
   protected:      
      P6R::P6BOOL                           m_bInitialized;
      P6R::p6ComPtr<P6R::p6IUnbufferedFile> m_cpFile;
      P6R::p6ComPtr<P6R::p6ISafeString>     m_cpStr;
      P6R::P6WCHAR                          *m_pszFilepath;
   };

} // namespace 

#endif