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diff --git a/svl/inc/instrm.hxx b/svl/inc/instrm.hxx
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2008 by Sun Microsystems, Inc.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * $RCSfile: instrm.hxx,v $
+ * $Revision: 1.4 $
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+#ifndef SVTOOLS_INSTRM_HXX
+#define SVTOOLS_INSTRM_HXX
+
+#include "svl/svldllapi.h"
+#include <com/sun/star/uno/Reference.h>
+#include <tools/stream.hxx>
+
+namespace com { namespace sun { namespace star { namespace io {
+    class XInputStream;
+    class XSeekable;
+} } } }
+
+class SvDataPipe_Impl;
+
+//============================================================================
+class SVL_DLLPUBLIC SvInputStream: public SvStream
+{
+    com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
+        m_xStream;
+    com::sun::star::uno::Reference< com::sun::star::io::XSeekable >
+        m_xSeekable;
+    SvDataPipe_Impl * m_pPipe;
+    ULONG m_nSeekedFrom;
+
+    SVL_DLLPRIVATE bool open();
+
+    SVL_DLLPRIVATE virtual ULONG GetData(void * pData, ULONG nSize);
+
+    SVL_DLLPRIVATE virtual ULONG PutData(void const *, ULONG);
+
+    SVL_DLLPRIVATE virtual ULONG SeekPos(ULONG nPos);
+
+    SVL_DLLPRIVATE virtual void FlushData();
+
+    SVL_DLLPRIVATE virtual void SetSize(ULONG);
+
+public:
+    SvInputStream(
+        com::sun::star::uno::Reference< com::sun::star::io::XInputStream >
+                const &
+            rTheStream);
+
+    virtual ~SvInputStream();
+
+    virtual USHORT IsA() const;
+
+    virtual void AddMark(ULONG nPos);
+
+    virtual void RemoveMark(ULONG nPos);
+};
+
+#endif // SVTOOLS_INSTRM_HXX
+