1 files changed, 65 insertions, 0 deletions
diff --git a/include/tools/vcompat.hxx b/include/tools/vcompat.hxx
new file mode 100644
index 0000000000..39cd0cd0bd
--- /dev/null
+++ b/include/tools/vcompat.hxx
@@ -0,0 +1,65 @@
+/* -*- 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 .
+ */
+#ifndef INCLUDED_TOOLS_VCOMPAT_HXX
+#define INCLUDED_TOOLS_VCOMPAT_HXX
+
+#include <tools/toolsdllapi.h>
+
+inline sal_uInt32 COMPAT_FORMAT(char char1, char char2, char char3, char char4)
+{
+    return static_cast<sal_uInt32>(char1) | (static_cast<sal_uInt32>(char2) << 8)
+           | (static_cast<sal_uInt32>(char3) << 16) | (static_cast<sal_uInt32>(char4) << 24);
+};
+
+class SvStream;
+
+class TOOLS_DLLPUBLIC VersionCompatRead
+{
+    SvStream& mrRStm;
+    sal_uInt32 mnCompatPos;
+    sal_uInt32 mnTotalSize;
+    sal_uInt16 mnVersion;
+
+    VersionCompatRead(const VersionCompatRead&) = delete;
+    VersionCompatRead& operator=(const VersionCompatRead&) = delete;
+
+public:
+    VersionCompatRead(SvStream& rStm);
+    ~VersionCompatRead();
+
+    sal_uInt16 GetVersion() const { return mnVersion; }
+};
+
+class TOOLS_DLLPUBLIC VersionCompatWrite
+{
+    SvStream& mrWStm;
+    sal_uInt32 mnCompatPos;
+    sal_uInt32 mnTotalSize;
+
+    VersionCompatWrite(const VersionCompatWrite&) = delete;
+    VersionCompatWrite& operator=(const VersionCompatWrite&) = delete;
+
+public:
+    VersionCompatWrite(SvStream& rStm, sal_uInt16 nVersion = 1);
+    ~VersionCompatWrite();
+};
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */