Panda3D
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00001 // Filename: nodePointerTo.h 00002 // Created by: drose (07May05) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef NODEPOINTERTO_H 00016 #define NODEPOINTERTO_H 00017 00018 #include "pandabase.h" 00019 #include "nodePointerToBase.h" 00020 00021 //////////////////////////////////////////////////////////////////// 00022 // Class : NodePointerTo 00023 // Description : This implements the special NodePointerTo template 00024 // class, which works just like PointerTo except it 00025 // manages the objects node_ref_count instead of the 00026 // normal ref_count. 00027 //////////////////////////////////////////////////////////////////// 00028 template <class T> 00029 class NodePointerTo : public NodePointerToBase<T> { 00030 public: 00031 // By hiding this template from interrogate, we improve compile-time 00032 // speed and memory utilization. 00033 #ifndef CPPPARSER 00034 typedef TYPENAME NodePointerToBase<T>::To To; 00035 INLINE NodePointerTo(To *ptr = (To *)NULL); 00036 INLINE NodePointerTo(const NodePointerTo<T> ©); 00037 INLINE ~NodePointerTo(); 00038 00039 INLINE To &operator *() const; 00040 INLINE To *operator -> () const; 00041 00042 // MSVC.NET 2005 insists that we use T *, and not To *, here. 00043 INLINE operator T *() const; 00044 00045 INLINE To *p() const; 00046 00047 INLINE NodePointerTo<T> &operator = (To *ptr); 00048 INLINE NodePointerTo<T> &operator = (const NodePointerTo<T> ©); 00049 #endif // CPPPARSER 00050 }; 00051 00052 00053 //////////////////////////////////////////////////////////////////// 00054 // Class : NodeConstPointerTo 00055 // Description : A NodeConstPointerTo is similar to a NodePointerTo, 00056 // except it keeps a const pointer to the thing. 00057 //////////////////////////////////////////////////////////////////// 00058 template <class T> 00059 class NodeConstPointerTo : public NodePointerToBase<T> { 00060 public: 00061 // By hiding this template from interrogate, we improve compile-time 00062 // speed and memory utilization. 00063 #ifndef CPPPARSER 00064 typedef TYPENAME NodePointerToBase<T>::To To; 00065 INLINE NodeConstPointerTo(const To *ptr = (const To *)NULL); 00066 INLINE NodeConstPointerTo(const NodePointerTo<T> ©); 00067 INLINE NodeConstPointerTo(const NodeConstPointerTo<T> ©); 00068 INLINE ~NodeConstPointerTo(); 00069 00070 INLINE const To &operator *() const; 00071 INLINE const To *operator -> () const; 00072 INLINE operator const T *() const; 00073 00074 INLINE const To *p() const; 00075 00076 INLINE NodeConstPointerTo<T> &operator = (const To *ptr); 00077 INLINE NodeConstPointerTo<T> &operator = (const NodePointerTo<T> ©); 00078 INLINE NodeConstPointerTo<T> &operator = (const NodeConstPointerTo<T> ©); 00079 #endif // CPPPARSER 00080 }; 00081 00082 #define NPT(type) NodePointerTo< type > 00083 #define NCPT(type) NodeConstPointerTo< type > 00084 00085 #include "nodePointerTo.I" 00086 00087 #endif