1 // @(#)root/base:$Id$
2 // Author: Fons Rademakers 04/08/95
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_TRegexp
13 #define ROOT_TRegexp
14
15
16 //////////////////////////////////////////////////////////////////////////
17 // //
18 // TRegexp //
19 // //
20 // Declarations for regular expression class. //
21 // //
22 //////////////////////////////////////////////////////////////////////////
23
24 #ifndef ROOT_Rtypes
25 #include "Rtypes.h"
26 #endif
27
28 #ifndef ROOT_Match
29 #include "Match.h"
30 #endif
31
32 class TString;
33
34
35 class TRegexp {
36
37 public:
38 enum EStatVal { kOK = 0, kIllegal, kNomem, kToolong };
39
40 private:
41 Pattern_t *fPattern; // Compiled pattern
42 EStatVal fStat; // Status
43 static const unsigned fgMaxpat; // Max length of compiled pattern
44
45 void CopyPattern(const TRegexp& re);
46 void GenPattern(const char *re);
47 const char *MakeWildcard(const char *re);
48
49 public:
50 TRegexp(const char *re, Bool_t wildcard = kFALSE);
51 TRegexp(const TString& re);
52 TRegexp(const TRegexp& re);
53 virtual ~TRegexp();
54
55 TRegexp& operator=(const TRegexp& re);
56 TRegexp& operator=(const TString& re); // Recompiles pattern
57 TRegexp& operator=(const char *re); // Recompiles pattern
58 Ssiz_t Index(const TString& str, Ssiz_t *len, Ssiz_t start=0) const;
59 EStatVal Status(); // Return & clear status
60
61 ClassDef(TRegexp,0) // Regular expression class
62 };
63
64 #endif
65