1 // @(#)root/base:$Id$
2 // Author: Fons Rademakers 15/07/96
3
4 /*************************************************************************
5 * Copyright (C) 1995-2000, Rene Brun and Fons Rademakers. *
6 * All rights reserved. *
7 * *
8 * For the licensing terms see $ROOTSYS/LICENSE. *
9 * For the list of contributors see $ROOTSYS/README/CREDITS. *
10 *************************************************************************/
11
12 #ifndef ROOT_TMemberInspector
13 #define ROOT_TMemberInspector
14
15 //////////////////////////////////////////////////////////////////////////
16 // //
17 // TMemberInspector //
18 // //
19 // Abstract base class for accessing the datamembers of a class. //
20 // Classes derived from this class can be given as argument to the //
21 // ShowMembers() methods of ROOT classes. This feature facilitates //
22 // the writing of class browsers and inspectors. //
23 // //
24 //////////////////////////////////////////////////////////////////////////
25
26 #include "Rtypes.h"
27
28 class TObject;
29 class TClass;
30
31 class TMemberInspector {
32 private:
33 class TParentBuf;
34 TParentBuf* fParent; // current inspection "path"
35
36 TMemberInspector(const TMemberInspector&); // Not implemented.
37 TMemberInspector &operator=(const TMemberInspector&); // Not implemented.
38
39 public:
40 TMemberInspector();
41 virtual ~TMemberInspector();
42
43 virtual void Inspect(TClass *cl, const char *parent, const char *name, const void *addr) = 0;
44
45 const char* GetParent() const;
46 Ssiz_t GetParentLen() const;
47 void AddToParent(const char* name);
48 void RemoveFromParent(Ssiz_t startingAt);
49
50 template <class T>
51 void InspectMember(T& obj, const char* name) {
52 Ssiz_t len = GetParentLen();
53 AddToParent(name);
54 obj.ShowMembers(*this);
55 RemoveFromParent(len);
56 }
57
58 void InspectMember(TObject& obj, const char* name);
59 void InspectMember(const char* topclassname, void* pobj, const char* name,
60 Bool_t transient);
61 void InspectMember(TClass* cl, void* pobj, const char* name);
62
63 void GenericShowMembers(const char *topClassName, void *obj,
64 Bool_t transientMember);
65
66 ClassDef(TMemberInspector,0) //ABC for inspecting class data members
67 };
68
69 #endif
70