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diff --git a/autodoc/source/display/idl/hfi_hierarchy.hxx b/autodoc/source/display/idl/hfi_hierarchy.hxx
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+/*************************************************************************
+ *
+ * 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 ADC_DISPLAY_HFI_HIERARCHY_HXX
+#define ADC_DISPLAY_HFI_HIERARCHY_HXX
+
+// USED SERVICES
+    // BASE CLASSES
+    // COMPONENTS
+    // PARAMETERS
+#include <ary/idl/i_comrela.hxx>
+#include <ary/idl/i_types4idl.hxx>
+
+
+namespace csi
+{
+namespace xml
+{
+    class Element;
+}
+}
+
+
+class HF_IdlInterface;
+class HtmlEnvironment_Idl;
+
+
+
+/** Represents a node in an pyramidic inheritance hierarchy which shall be
+    displayed in text mode.
+*/
+class HF_IdlBaseNode
+{
+  public:
+    typedef ary::idl::CodeEntity            CE;
+    typedef ary::idl::Type                  TYPE;
+    typedef ary::idl::Gate                  GATE;
+    typedef ary::idl::Ce_id                 Ce_id;
+    typedef ary::idl::Type_id               Type_id;
+
+    /** @descr
+        The constructor recursively calls further constructors of
+        HF_IdlBaseNode for the bases of ->i_rType, if ->i_rType matches to a
+        ->CE.
+        So it builds up a complete hierarchy tree of all base classes
+        of ->i_pEntity.
+    */
+                        HF_IdlBaseNode(
+                            const TYPE &        i_rType,
+                            const GATE &        i_rGate,
+                            intt                i_nPositionOffset,
+                            HF_IdlBaseNode &    io_rDerived );
+                        ~HF_IdlBaseNode();
+
+    /** Recursively fills ->o_rPositionList with the instances of base
+        classes in the order in which they will be displayed.
+    */
+    void                FillPositionList(
+                            std::vector< const HF_IdlBaseNode* > &
+                                                o_rPositionList ) const;
+
+    Type_id             Type() const            { return nType; }
+    intt                BaseCount() const       { return nCountBases; }
+    intt                Position() const        { return nPosition; }
+    int                 Xpos() const            { return 3*Position(); }
+    int                 Ypos() const            { return 2*Position(); }
+    const HF_IdlBaseNode *        Derived() const         { return pDerived; }
+
+  private:
+    typedef std::vector< DYN HF_IdlBaseNode* > BaseList;
+
+    void                GatherBases(
+                            const CE &          i_rCe,
+                            const GATE &        i_rGate );
+
+    // DATA
+    Type_id             nType;
+    BaseList            aBases;
+    intt                nCountBases;
+    intt                nPosition;
+    HF_IdlBaseNode *    pDerived;
+};
+
+void                Write_BaseHierarchy(
+                        csi::xml::Element & o_rOut,
+                        HtmlEnvironment_Idl &
+                                            i_env,
+                        const ary::idl::CodeEntity &
+                                            i_rCe );
+
+void                Write_Bases(
+                        csi::xml::Element & o_rOut,
+                        HtmlEnvironment_Idl &
+                                            i_env,
+                        const ary::idl::CodeEntity &
+                                            i_rCe,
+                        std::vector<uintt> &
+                                            io_setColumns );
+
+#endif