include/opencascade/ShapePersistent_TopoDS.hxx

0001 // Copyright (c) 2015 OPEN CASCADE SAS
0002 //
0003 // This file is part of Open CASCADE Technology software library.
0004 //
0005 // This library is free software; you can redistribute it and/or modify it under
0006 // the terms of the GNU Lesser General Public License version 2.1 as published
0007 // by the Free Software Foundation, with special exception defined in the file
0008 // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
0009 // distribution for complete text of the license and disclaimer of any warranty.
0010 //
0011 // Alternatively, this file may be used under the terms of Open CASCADE
0012 // commercial license or contractual agreement.
0013
0014
0015 #ifndef _ShapePersistent_TopoDS_HeaderFile
0016 #define _ShapePersistent_TopoDS_HeaderFile
0017
0018 #include <ShapePersistent_TriangleMode.hxx>
0019
0020 #include <StdPersistent_HArray1.hxx>
0021 #include <StdLPersistent_HArray1.hxx>
0022 #include <StdObject_Shape.hxx>
0023 #include <StdObjMgt_TransientPersistentMap.hxx>
0024
0025 #include <TopoDS_TWire.hxx>
0026 #include <TopoDS_TShell.hxx>
0027 #include <TopoDS_TSolid.hxx>
0028 #include <TopoDS_TCompSolid.hxx>
0029 #include <TopoDS_TCompound.hxx>
0030
0031
0032 class ShapePersistent_TopoDS : public StdPersistent_TopoDS
0033 {
0034 public:
0035   class HShape : public StdObjMgt_Persistent, public StdObject_Shape
0036   {
0037   public:
0038     //! Read persistent data from a file.
0039     Standard_EXPORT virtual void Read (StdObjMgt_ReadData& theReadData);
0040     //! Write persistent data to a file
0041     Standard_EXPORT virtual void Write (StdObjMgt_WriteData& theWriteData) const;
0042     //! Gets persistent child objects
0043     Standard_EXPORT virtual void PChildren(SequenceOfPersistent& theChildren) const;
0044     //! Returns persistent type name
0045     virtual Standard_CString PName() const { return "PTopoDS_HShape"; }
0046
0047   private:
0048     Handle(StdObjMgt_Persistent) myEntry;
0049   };
0050
0051 protected:
0052   class pTBase : public pTShape
0053   {
0054   public:
0055     inline Handle(TopoDS_TShape) Import() const
0056     {
0057       Handle(TopoDS_TShape) aTShape = createTShape();
0058
0059       TopoDS_Shape aWrapperShape;
0060       aWrapperShape.TShape (aTShape);
0061       addShapes (aWrapperShape);
0062
0063       setFlags (aTShape);
0064
0065       return aTShape;
0066     }
0067
0068   private:
0069     virtual Handle(TopoDS_TShape) createTShape() const = 0;
0070
0071     virtual void addShapes (TopoDS_Shape& theParent) const = 0;
0072
0073     void setFlags (const Handle(TopoDS_TShape)& theTShape) const;
0074
0075   protected:
0076     template <class ShapesArray>
0077     void addShapesT (TopoDS_Shape& theParent) const;
0078   };
0079
0080 private:
0081   template <class Target>
0082   class pTSimple : public pTBase
0083   {
0084     virtual Handle(TopoDS_TShape) createTShape() const;
0085   public:
0086     inline Standard_CString PName() const;
0087   };
0088
0089   template <class Persistent, class ShapesArray>
0090   class pTObject : public Persistent
0091   {
0092     virtual void addShapes (TopoDS_Shape& theParent) const
0093       { pTBase::addShapesT<ShapesArray> (theParent); }
0094   };
0095
0096   template <class Persistent, class ShapesArray>
0097   struct tObjectT : public Delayed <DelayedBase<TShape, TopoDS_TShape, pTBase>,
0098                                     pTObject<Persistent, ShapesArray> >
0099     { typedef pTObject<Persistent, ShapesArray> pTObjectT; };
0100
0101 protected:
0102   template <class Persistent>
0103   struct tObject : public tObjectT<Persistent, StdLPersistent_HArray1::Persistent> { };
0104
0105   template <class Persistent>
0106   struct tObject1 : public tObjectT<Persistent, StdPersistent_HArray1::Shape1> { };
0107
0108 public:
0109   typedef tObject  <pTSimple<TopoDS_TWire>      > TWire;
0110   typedef tObject  <pTSimple<TopoDS_TShell>     > TShell;
0111   typedef tObject  <pTSimple<TopoDS_TSolid>     > TSolid;
0112   typedef tObject  <pTSimple<TopoDS_TCompSolid> > TCompSolid;
0113   typedef tObject  <pTSimple<TopoDS_TCompound>  > TCompound;
0114
0115   typedef tObject1 <pTSimple<TopoDS_TWire>      > TWire1;
0116   typedef tObject1 <pTSimple<TopoDS_TShell>     > TShell1;
0117   typedef tObject1 <pTSimple<TopoDS_TSolid>     > TSolid1;
0118   typedef tObject1 <pTSimple<TopoDS_TCompSolid> > TCompSolid1;
0119   typedef tObject1 <pTSimple<TopoDS_TCompound>  > TCompound1;
0120
0121 public:
0122   //! Create a persistent object for a shape
0123   Standard_EXPORT static Handle(HShape) Translate (const TopoDS_Shape& theShape,
0124                                                    StdObjMgt_TransientPersistentMap& theMap,
0125                                                    ShapePersistent_TriangleMode theTriangleMode);
0126 };
0127
0128 template<>
0129 inline Standard_CString ShapePersistent_TopoDS::pTSimple<TopoDS_TWire>::PName() const
0130   { return "PTopoDS_TWire"; }
0131
0132 template<>
0133 inline Standard_CString ShapePersistent_TopoDS::pTSimple<TopoDS_TShell>::PName() const
0134   { return "PTopoDS_TShell"; }
0135
0136 template<>
0137 inline Standard_CString ShapePersistent_TopoDS::pTSimple<TopoDS_TSolid>::PName() const
0138   { return "PTopoDS_TSolid"; }
0139
0140 template<>
0141 inline Standard_CString ShapePersistent_TopoDS::pTSimple<TopoDS_TCompSolid>::PName() const
0142   { return "PTopoDS_TCompSolid"; }
0143
0144 template<>
0145 inline Standard_CString ShapePersistent_TopoDS::pTSimple<TopoDS_TCompound>::PName() const
0146   { return "PTopoDS_TCompound"; }
0147
0148 #endif