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 #ifndef _ShapePersistent_TopoDS_HeaderFile
0015 #define _ShapePersistent_TopoDS_HeaderFile
0016
0017 #include <ShapePersistent_TriangleMode.hxx>
0018
0019 #include <StdPersistent_HArray1.hxx>
0020 #include <StdLPersistent_HArray1.hxx>
0021 #include <StdObject_Shape.hxx>
0022 #include <NCollection_DataMap.hxx>
0023
0024 #include <TopoDS_TWire.hxx>
0025 #include <TopoDS_TShell.hxx>
0026 #include <TopoDS_TSolid.hxx>
0027 #include <TopoDS_TCompSolid.hxx>
0028 #include <TopoDS_TCompound.hxx>
0029 class Standard_Transient;
0030 class StdObjMgt_Persistent;
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 void Read(StdObjMgt_ReadData& theReadData) override;
0040     //! Write persistent data to a file
0041     Standard_EXPORT void Write(StdObjMgt_WriteData& theWriteData) const override;
0042     //! Gets persistent child objects
0043     Standard_EXPORT void PChildren(SequenceOfPersistent& theChildren) const override;
0044
0045     //! Returns persistent type name
0046     const char* PName() const override { return "PTopoDS_HShape"; }
0047
0048   private:
0049     occ::handle<StdObjMgt_Persistent> myEntry;
0050   };
0051
0052 protected:
0053   class pTBase : public pTShape
0054   {
0055   public:
0056     inline occ::handle<TopoDS_TShape> Import() const
0057     {
0058       occ::handle<TopoDS_TShape> aTShape = createTShape();
0059
0060       TopoDS_Shape aWrapperShape;
0061       aWrapperShape.TShape(aTShape);
0062       addShapes(aWrapperShape);
0063
0064       setFlags(aTShape);
0065
0066       return aTShape;
0067     }
0068
0069   private:
0070     virtual occ::handle<TopoDS_TShape> createTShape() const = 0;
0071
0072     virtual void addShapes(TopoDS_Shape& theParent) const = 0;
0073
0074     void setFlags(const occ::handle<TopoDS_TShape>& theTShape) const;
0075
0076   protected:
0077     template <class ShapesArray>
0078     void addShapesT(TopoDS_Shape& theParent) const;
0079   };
0080
0081 private:
0082   template <class Target>
0083   class pTSimple : public pTBase
0084   {
0085     occ::handle<TopoDS_TShape> createTShape() const override;
0086
0087   public:
0088     inline const char* PName() const;
0089   };
0090
0091   template <class Persistent, class ShapesArray>
0092   class pTObject : public Persistent
0093   {
0094     void addShapes(TopoDS_Shape& theParent) const override
0095     {
0096       pTBase::addShapesT<ShapesArray>(theParent);
0097     }
0098   };
0099
0100   template <class Persistent, class ShapesArray>
0101   struct tObjectT : public Delayed<DelayedBase<TShape, TopoDS_TShape, pTBase>,
0102                                    pTObject<Persistent, ShapesArray>>
0103   {
0104     typedef pTObject<Persistent, ShapesArray> pTObjectT;
0105   };
0106
0107 protected:
0108   template <class Persistent>
0109   struct tObject : public tObjectT<Persistent, StdLPersistent_HArray1::Persistent>
0110   {
0111   };
0112
0113   template <class Persistent>
0114   struct tObject1 : public tObjectT<Persistent, StdPersistent_HArray1::Shape1>
0115   {
0116   };
0117
0118 public:
0119   typedef tObject<pTSimple<TopoDS_TWire>>      TWire;
0120   typedef tObject<pTSimple<TopoDS_TShell>>     TShell;
0121   typedef tObject<pTSimple<TopoDS_TSolid>>     TSolid;
0122   typedef tObject<pTSimple<TopoDS_TCompSolid>> TCompSolid;
0123   typedef tObject<pTSimple<TopoDS_TCompound>>  TCompound;
0124
0125   typedef tObject1<pTSimple<TopoDS_TWire>>      TWire1;
0126   typedef tObject1<pTSimple<TopoDS_TShell>>     TShell1;
0127   typedef tObject1<pTSimple<TopoDS_TSolid>>     TSolid1;
0128   typedef tObject1<pTSimple<TopoDS_TCompSolid>> TCompSolid1;
0129   typedef tObject1<pTSimple<TopoDS_TCompound>>  TCompound1;
0130
0131 public:
0132   //! Create a persistent object for a shape
0133   Standard_EXPORT static occ::handle<HShape> Translate(
0134     const TopoDS_Shape& theShape,
0135     NCollection_DataMap<occ::handle<Standard_Transient>, occ::handle<StdObjMgt_Persistent>>& theMap,
0136     ShapePersistent_TriangleMode theTriangleMode);
0137 };
0138
0139 template <>
0140 inline const char* ShapePersistent_TopoDS::pTSimple<TopoDS_TWire>::PName() const
0141 {
0142   return "PTopoDS_TWire";
0143 }
0144
0145 template <>
0146 inline const char* ShapePersistent_TopoDS::pTSimple<TopoDS_TShell>::PName() const
0147 {
0148   return "PTopoDS_TShell";
0149 }
0150
0151 template <>
0152 inline const char* ShapePersistent_TopoDS::pTSimple<TopoDS_TSolid>::PName() const
0153 {
0154   return "PTopoDS_TSolid";
0155 }
0156
0157 template <>
0158 inline const char* ShapePersistent_TopoDS::pTSimple<TopoDS_TCompSolid>::PName() const
0159 {
0160   return "PTopoDS_TCompSolid";
0161 }
0162
0163 template <>
0164 inline const char* ShapePersistent_TopoDS::pTSimple<TopoDS_TCompound>::PName() const
0165 {
0166   return "PTopoDS_TCompound";
0167 }
0168
0169 #endif