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diff --git a/include/oox/vml/vmlshapecontainer.hxx b/include/oox/vml/vmlshapecontainer.hxx
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+/* -*- 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_OOX_VML_VMLSHAPECONTAINER_HXX
+#define INCLUDED_OOX_VML_VMLSHAPECONTAINER_HXX
+
+#include <cstddef>
+#include <functional>
+#include <memory>
+#include <stack>
+
+#include <com/sun/star/awt/Rectangle.hpp>
+#include <com/sun/star/uno/Reference.hxx>
+#include <oox/helper/refmap.hxx>
+#include <oox/helper/refvector.hxx>
+#include <rtl/ustring.hxx>
+
+namespace com::sun::star {
+    namespace drawing { class XShapes; }
+}
+
+namespace oox::vml {
+
+class Drawing;
+class ShapeType;
+class ShapeBase;
+
+
+struct ShapeParentAnchor
+{
+    css::awt::Rectangle maShapeRect;
+    css::awt::Rectangle maCoordSys;
+};
+
+
+/** Container that holds a list of shapes and shape templates. */
+class ShapeContainer
+{
+public:
+    explicit            ShapeContainer( Drawing& rDrawing );
+                        ~ShapeContainer();
+
+    /** Returns the drawing this shape container is part of. */
+    Drawing&     getDrawing() { return mrDrawing; }
+
+    /** Creates and returns a new shape template object. */
+    std::shared_ptr<ShapeType> createShapeType();
+    /** Creates and returns a new shape object of the specified type. */
+    template< typename ShapeT >
+    std::shared_ptr<ShapeT> createShape();
+
+    /** Final processing after import of the drawing fragment. */
+    void                finalizeFragmentImport();
+
+    /** Returns true, if this container does not contain any shapes. */
+    bool         empty() const { return maShapes.empty(); }
+
+    /** Returns the shape template with the passed identifier.
+        Searches in all group shapes too. */
+    const ShapeType*    getShapeTypeById( const OUString& rShapeId ) const;
+    /** Returns the shape with the passed identifier.
+        Searches in all group shapes too. */
+    const ShapeBase*    getShapeById( const OUString& rShapeId ) const;
+
+    /** Searches for a shape by using the passed functor that takes a constant
+        reference of a ShapeBase object. */
+    template< typename Functor >
+    const ShapeBase*    findShape( const Functor& rFunctor ) const;
+
+    /**
+      (Word only) Returns the last shape in the collection, if it is after the last
+      mark from pushMark(), and removes it.
+    */
+    std::shared_ptr< ShapeBase > takeLastShape();
+    /**
+      Adds a recursion mark to the stack. It is possible that a shape contains <w:txbxContent>
+      which contains another shape, and writerfilter needs to know which shape is from the inner
+      ooxml context and which from the outer ooxml context, while it is necessary to keep
+      at least shape types across such blocks. Therefore this function marks beginning
+      of each shape xml block, and takeLastShape() returns only shapes from this block.
+    */
+    void pushMark();
+    /**
+      Removes a recursion mark.
+    */
+    void popMark();
+
+    /** Creates and inserts all UNO shapes into the passed container. */
+    void                convertAndInsert(
+                            const css::uno::Reference< css::drawing::XShapes >& rxShapes,
+                            const ShapeParentAnchor* pParentAnchor = nullptr ) const;
+
+private:
+    typedef RefVector< ShapeType >                  ShapeTypeVector;
+    typedef RefVector< ShapeBase >                  ShapeVector;
+    typedef RefMap< OUString, ShapeType >    ShapeTypeMap;
+    typedef RefMap< OUString, ShapeBase >    ShapeMap;
+
+    Drawing&            mrDrawing;          ///< The VML drawing page that contains this shape.
+    ShapeTypeVector     maTypes;            ///< All shape templates.
+    ShapeVector         maShapes;           ///< All shape definitions.
+    ShapeTypeMap        maTypesById;        ///< All shape templates mapped by identifier.
+    ShapeMap            maShapesById;       ///< All shape definitions mapped by identifier.
+    std::stack< size_t > markStack;         ///< Recursion marks from pushMark()/popMark().
+};
+
+
+template< typename ShapeT >
+std::shared_ptr<ShapeT> ShapeContainer::createShape()
+{
+    auto xShape = std::make_shared<ShapeT>( mrDrawing );
+    xShape->setContainer(this);
+    maShapes.push_back( xShape );
+    return xShape;
+}
+
+template< typename Functor >
+const ShapeBase* ShapeContainer::findShape( const Functor& rFunctor ) const
+{
+    return maShapes.findIf( rFunctor ).get();
+}
+
+
+} // namespace oox::vml
+
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */