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diff --git a/cosv/inc/cosv/dirchain.hxx b/cosv/inc/cosv/dirchain.hxx
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+++ b/cosv/inc/cosv/dirchain.hxx
@@ -0,0 +1,180 @@
+/*************************************************************************
+ *
+ * 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_DIRCHAIN_HXX
+#define CSV_DIRCHAIN_HXX
+
+
+// USED SERVICES
+    // BASE CLASSES
+    // COMPONENTS
+#include <cosv/string.hxx>
+    // PARAMETERS
+#include <cosv/csv_ostream.hxx>
+
+#include <cosv/persist.hxx>
+#include <cosv/tpl/tpltools.hxx>
+
+
+
+namespace csv
+{
+    class bostream;
+
+namespace ploc
+{
+
+
+class DirectoryChain
+{
+  public:
+                        DirectoryChain();
+                        DirectoryChain(
+                            const char *        i_sPath,
+                            bool                i_bPathIsAlwaysDir = false,
+                            const char *        i_sDelimiter = Delimiter() );
+                        DirectoryChain(
+                            const DirectoryChain &
+                                                i_rDC );
+                        ~DirectoryChain();
+
+    // OPERATORS
+    DirectoryChain &    operator=(
+                            const DirectoryChain &
+                                                i_rDC );
+    DirectoryChain &    operator+=(
+                            const String &      i_sName );
+    DirectoryChain &    operator+=(
+                            const DirectoryChain &
+                                                i_rDC );
+    DirectoryChain &    operator-=(
+                            uintt               i_nLevelsUp );
+
+    // OPERATIONS
+    void                Set(
+                            const char *        i_sPath,
+                            bool                i_bPathIsAlwaysDir = false,
+                            const char *        i_sDelimiter = Delimiter() );
+    void                PushFront(
+                            const String &      i_sName );
+    void                PushFront(
+                            const DirectoryChain &
+                                                i_sPath );
+    void                PushBack(
+                            const String &      i_sName );
+    void                PushBack(
+                            const DirectoryChain &
+                                                i_sPath );
+    void                PopFront(
+                            uintt               i_nCount = 1 );
+    void                PopBack(
+                            uintt               i_nCount = 1 );
+
+    // INQUIRY
+    uintt               Size() const;
+
+    StringVector::const_iterator
+                        Begin() const;
+    StringVector::const_iterator
+                        End() const;
+
+    const String &      Front() const;
+    const String &      Back() const;
+
+    void                Get(
+                            ostream &           o_rPath,
+                            const char *        i_sDelimiter ) const;
+    void                Get(
+                            bostream &          o_rPath,
+                            const char *        i_sDelimiter ) const;
+  private:
+    StringVector        aPath;
+};
+
+
+// IMPLEMENTATION
+inline
+DirectoryChain::DirectoryChain( const DirectoryChain & i_rDC )
+    { PushBack(i_rDC); }
+
+    // OPERATORS
+inline DirectoryChain &
+DirectoryChain::operator=( const DirectoryChain & i_rDC )
+    { csv::erase_container(aPath); PushBack(i_rDC); return *this; }
+inline DirectoryChain &
+DirectoryChain::operator+=( const String & i_sName )
+    { PushBack(i_sName); return *this;  }
+inline DirectoryChain &
+DirectoryChain::operator+=( const DirectoryChain & i_rDC )
+    { PushBack(i_rDC); return *this;  }
+inline DirectoryChain &
+DirectoryChain::operator-=( uintt i_nLevelsUp )
+    { PopBack(i_nLevelsUp); return *this;  }
+inline uintt
+DirectoryChain::Size() const
+    { return aPath.size(); }
+
+inline StringVector::const_iterator
+DirectoryChain::Begin() const
+    { return aPath.begin(); }
+inline StringVector::const_iterator
+DirectoryChain::End() const
+    { return aPath.end(); }
+inline const String &
+DirectoryChain::Front() const
+    { return aPath.empty() ? String::Null_() : aPath.front(); }
+inline const String &
+DirectoryChain::Back() const
+    { return aPath.empty() ? String::Null_() : aPath.back(); }
+
+
+}   // namespace ploc
+}   // namespace csv
+
+
+inline csv::ostream &
+operator<<( csv::ostream &                     o_rOut,
+            const csv::ploc::DirectoryChain &  i_rSubPath )
+{
+     i_rSubPath.Get(o_rOut, csv::ploc::Delimiter());
+    return o_rOut;
+}
+
+inline csv::bostream &
+operator<<( csv::bostream &                     o_rOut,
+            const csv::ploc::DirectoryChain &   i_rSubPath )
+{
+     i_rSubPath.Get(o_rOut, csv::ploc::Delimiter());
+    return o_rOut;
+}
+
+
+
+#endif
+
+
+