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diff --git a/oox/inc/oox/core/relations.hxx b/oox/inc/oox/core/relations.hxx
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+++ b/oox/inc/oox/core/relations.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 OOX_CORE_RELATIONS_HXX
+#define OOX_CORE_RELATIONS_HXX
+
+#include <map>
+#include <boost/shared_ptr.hpp>
+#include "oox/helper/helper.hxx"
+
+namespace oox {
+namespace core {
+
+// ============================================================================
+
+/** Expands to an OUString containing an 'officeDocument' relation type created
+    from the passed literal(!) ASCII(!) character array. */
+#define CREATE_OFFICEDOC_RELATION_TYPE( ascii ) \
+    CREATE_OUSTRING( "http://schemas.openxmlformats.org/officeDocument/2006/relationships/" ascii )
+
+/** Expands to an OUString containing a 'package' relation type created from
+    the passed literal(!) ASCII(!) character array. */
+#define CREATE_PACKAGE_RELATION_TYPE( ascii ) \
+    CREATE_OUSTRING( "http://schemas.openxmlformats.org/package/2006/relationships/" ascii )
+
+/** Expands to an OUString containing an MS Office specific relation type
+    created from the passed literal(!) ASCII(!) character array. */
+#define CREATE_MSOFFICE_RELATION_TYPE( ascii ) \
+    CREATE_OUSTRING( "http://schemas.microsoft.com/office/2006/relationships/" ascii )
+
+// ============================================================================
+
+struct Relation
+{
+    ::rtl::OUString     maId;
+    ::rtl::OUString     maType;
+    ::rtl::OUString     maTarget;
+    bool                mbExternal;
+
+    inline explicit     Relation() : mbExternal( false ) {}
+};
+
+// ============================================================================
+
+class Relations;
+typedef ::boost::shared_ptr< Relations > RelationsRef;
+
+class Relations : public ::std::map< ::rtl::OUString, Relation >
+{
+public:
+    explicit            Relations( const ::rtl::OUString& rFragmentPath );
+
+    /** Returns the path of the fragment this relations collection is related to. */
+    inline const ::rtl::OUString& getFragmentPath() const { return maFragmentPath; }
+
+    /** Returns the relation with the passed relation identifier. */
+    const Relation*     getRelationFromRelId( const ::rtl::OUString& rId ) const;
+    /** Returns the first relation with the passed type. */
+    const Relation*     getRelationFromFirstType( const ::rtl::OUString& rType ) const;
+    /** Finds all relations associated with the passed type. */
+    RelationsRef        getRelationsFromType( const ::rtl::OUString& rType ) const;
+
+    /** Returns the external target of the relation with the passed relation identifier. */
+    ::rtl::OUString     getExternalTargetFromRelId( const ::rtl::OUString& rRelId ) const;
+    /** Returns the external target of the first relation with the passed type. */
+    ::rtl::OUString     getExternalTargetFromFirstType( const ::rtl::OUString& rType ) const;
+
+    /** Returns the full fragment path for the target of the passed relation. */
+    ::rtl::OUString     getFragmentPathFromRelation( const Relation& rRelation ) const;
+    /** Returns the full fragment path for the passed relation identifier. */
+    ::rtl::OUString     getFragmentPathFromRelId( const ::rtl::OUString& rRelId ) const;
+    /** Returns the full fragment path for the first relation of the passed type. */
+    ::rtl::OUString     getFragmentPathFromFirstType( const ::rtl::OUString& rType ) const;
+
+private:
+    ::rtl::OUString     maFragmentPath;
+};
+
+// ============================================================================
+
+} // namespace core
+} // namespace oox
+
+#endif