1 files changed, 57 insertions, 0 deletions
diff --git a/sd/inc/sdiocmpt.hxx b/sd/inc/sdiocmpt.hxx
new file mode 100644
index 0000000000..9f1395fd7c
--- /dev/null
+++ b/sd/inc/sdiocmpt.hxx
@@ -0,0 +1,57 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   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 .
+ */
+
+#pragma once
+
+#include <tools/stream.hxx>
+#include "sddllapi.h"
+
+
+class old_SdrDownCompat
+{
+protected:
+    SvStream&                   rStream;
+    sal_uInt32                  nSubRecSiz;
+    sal_uInt32                  nSubRecPos;
+    StreamMode                  nMode;
+    bool                        bOpen;
+
+protected:
+    void Write();
+
+public:
+    old_SdrDownCompat(SvStream& rNewStream, StreamMode nNewMode);
+    ~old_SdrDownCompat();
+    void  OpenSubRecord();
+    void  CloseSubRecord();
+};
+
+#define SDIOCOMPAT_VERSIONDONTKNOW sal_uInt16(0xffff)
+
+class SD_DLLPUBLIC SdIOCompat : public old_SdrDownCompat
+{
+public:
+                // nNewMode: StreamMode::READ or StreamMode::WRITE
+                // nVer:     specify only when writing
+            SdIOCompat(SvStream& rNewStream, StreamMode nNewMode,
+                       sal_uInt16 nVer = SDIOCOMPAT_VERSIONDONTKNOW);
+            ~SdIOCompat();
+};
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */