/**************************************************************
 * 
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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#ifndef _SDSTOR_STGOLE_HXX
#define _SDSTOR_STGOLE_HXX

#include <string.h> // memset()

#include "sot/stg.hxx"
#include "stgelem.hxx"

class StgInternalStream : public SvStream
{
    BaseStorageStream* pStrm;
	virtual sal_uLong GetData( void* pData, sal_uLong nSize );
    virtual sal_uLong PutData( const void* pData, sal_uLong nSize );
    virtual sal_uLong SeekPos( sal_uLong nPos );
    virtual void  FlushData();
public:
    StgInternalStream( BaseStorage&, const String&, sal_Bool );
   ~StgInternalStream();
	void Commit();
};

// standard stream "\1CompObj"

class StgCompObjStream : public StgInternalStream
{
	ClsId  aClsId;
	String aUserName;
	sal_uLong  nCbFormat;
public:
    StgCompObjStream( BaseStorage&, sal_Bool );
	ClsId&  GetClsId()    { return aClsId;    }
	String& GetUserName() { return aUserName; }
	sal_uLong&  GetCbFormat() { return nCbFormat; }
	sal_Bool    Load();
	sal_Bool    Store();
};

// standard stream "\1Ole"

class StgOleStream : public StgInternalStream
{
	sal_uInt32 nFlags;
public:
    StgOleStream( BaseStorage&, sal_Bool );
	sal_uInt32& GetFlags() { return nFlags; }
	sal_Bool Load();
	sal_Bool Store();
};

#endif