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diff --git a/cosv/inc/cosv/persist.hxx b/cosv/inc/cosv/persist.hxx
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+++ b/cosv/inc/cosv/persist.hxx
@@ -0,0 +1,105 @@
+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * 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 CSV_PERSIST_HXX
+#define CSV_PERSIST_HXX
+
+
+// USED SERVICES
+    // BASE CLASSES
+    // COMPONENTS
+#include <cosv/string.hxx>
+    // PARAMETERS
+
+
+namespace csv
+{
+namespace ploc
+{
+
+class Path;
+
+
+inline const char *
+Delimiter()
+{
+#ifdef WNT
+    return "\\";
+#elif defined(UNX)
+    return "/";
+#else
+#error  For using csv::ploc there has to be defined: WNT or UNX.
+#endif
+}
+
+
+
+class Persistent
+{
+  public:
+    virtual             ~Persistent() {}
+
+    const Path &        MyPath() const;
+    /// @return all pathes without completing delimiter, even directories.
+    const char *        StrPath() const;
+    bool                Exists() const;
+
+  protected:
+                        Persistent();
+    void                InvalidatePath();
+
+  private:
+    virtual const Path &
+                        inq_MyPath() const = 0;
+    // DATA
+    mutable StreamStr   sPath;
+};
+
+
+
+// IMPLEMENTATION
+
+inline
+Persistent::Persistent()
+    :   sPath(30) { }
+inline const Path &
+Persistent::MyPath() const
+    { return inq_MyPath(); }
+inline void
+Persistent::InvalidatePath()
+    { sPath.clear(); }
+
+
+
+}   // namespace csv
+}   // namespace ploc
+
+
+#endif
+
+
+