1 // @(#)root/tree:$Id$
2 // Author: Rene Brun 14/04/97
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_TCut
13 #define ROOT_TCut
14
15 //////////////////////////////////////////////////////////////////////////
16 // //
17 // TCut //
18 // //
19 // A specialized string object used in TTree selections. //
20 // //
21 //////////////////////////////////////////////////////////////////////////
22
23 #ifndef ROOT_TNamed
24 #include "TNamed.h"
25 #endif
26
27 class TCut : public TNamed {
28 private:
29 // Prevent meaningless operator (which otherwise can be reached via
30 // the conversion to 'const char*'
31 Bool_t operator<(const TCut &rhs); // Intentional left unimplemented
32 Bool_t operator<=(const TCut &rhs); // Intentional left unimplemented
33 Bool_t operator>(const TCut &rhs); // Intentional left unimplemented
34 Bool_t operator>=(const TCut &rhs); // Intentional left unimplemented
35 public:
36 TCut();
37 TCut(const char *title);
38 TCut(const char *name, const char *title);
39 TCut(const TCut &cut);
40 virtual ~TCut();
41
42 // Assignment
43 TCut& operator=(const char *rhs);
44 TCut& operator=(const TCut &rhs);
45 TCut& operator+=(const char *rhs);
46 TCut& operator+=(const TCut &rhs);
47 TCut& operator*=(const char *rhs);
48 TCut& operator*=(const TCut &rhs);
49
50 // Comparison
51 Bool_t operator==(const char *rhs) const;
52 Bool_t operator==(const TCut &rhs) const;
53 Bool_t operator!=(const char *rhs) const;
54 Bool_t operator!=(const TCut &rhs) const;
55
56 friend TCut operator+(const TCut &lhs, const char *rhs);
57 friend TCut operator+(const char *lhs, const TCut &rhs);
58 friend TCut operator+(const TCut &lhs, const TCut &rhs);
59 friend TCut operator*(const TCut &lhs, const char *rhs);
60 friend TCut operator*(const char *lhs, const TCut &rhs);
61 friend TCut operator*(const TCut &lhs, const TCut &rhs);
62 // Preventing warnings with -Weffc++ in GCC since the overloading of the && and || operators was a design choice.
63 #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= 40600
64 #pragma GCC diagnostic push
65 #pragma GCC diagnostic ignored "-Weffc++"
66 #endif
67 friend TCut operator&&(const TCut &lhs, const char *rhs);
68 friend TCut operator&&(const char *lhs, const TCut &rhs);
69 friend TCut operator&&(const TCut &lhs, const TCut &rhs);
70 friend TCut operator||(const TCut &lhs, const char *rhs);
71 friend TCut operator||(const char *lhs, const TCut &rhs);
72 friend TCut operator||(const TCut &lhs, const TCut &rhs);
73 #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= 40600
74 #pragma GCC diagnostic pop
75 #endif
76 friend TCut operator!(const TCut &rhs);
77
78 // Type conversion
79 operator const char*() const { return GetTitle(); }
80
81 ClassDef(TCut,1) //A specialized string object used for TTree selections
82 };
83
84 // Declarations.
85 TCut operator+(const TCut &lhs, const char *rhs);
86 TCut operator+(const char *lhs, const TCut &rhs);
87 TCut operator+(const TCut &lhs, const TCut &rhs);
88 TCut operator*(const TCut &lhs, const char *rhs);
89 TCut operator*(const char *lhs, const TCut &rhs);
90 TCut operator*(const TCut &lhs, const TCut &rhs);
91 // Preventing warnings with -Weffc++ in GCC since the overloading of the && and || operators was a design choice.
92 #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= 40600
93 #pragma GCC diagnostic push
94 #pragma GCC diagnostic ignored "-Weffc++"
95 #endif
96 TCut operator&&(const TCut &lhs, const char *rhs);
97 TCut operator&&(const char *lhs, const TCut &rhs);
98 TCut operator&&(const TCut &lhs, const TCut &rhs);
99 TCut operator||(const TCut &lhs, const char *rhs);
100 TCut operator||(const char *lhs, const TCut &rhs);
101 TCut operator||(const TCut &lhs, const TCut &rhs);
102 #if (__GNUC__ * 10000 + __GNUC_MINOR__ * 100 + __GNUC_PATCHLEVEL__) >= 40600
103 #pragma GCC diagnostic pop
104 #endif
105 TCut operator!(const TCut &rhs);
106
107 #endif
108