source: trunk/Mars/mdata/MDataChain.h@ 17242

Last change on this file since 17242 was 6577, checked in by tbretz, 20 years ago
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1#ifndef MARS_MDataChain
2#define MARS_MDataChain
3
4/////////////////////////////////////////////////////////////////////////////
5// //
6// MDataList //
7// //
8// List of several filters //
9// //
10/////////////////////////////////////////////////////////////////////////////
11
12#ifndef MARS_MData
13#include "MData.h"
14#endif
15
16class MDataChain : public MData
17{
18private:
19 MData *fMember; // Filter
20
21 // PLEASE, always add new enums to the end of the enumeration,
22 // otherwise you would break loading old data chains...
23 typedef enum {
24 kENoop,
25 kELog, kELog2, kELog10,
26 kEAbs,
27 kESin, kECos, kETan, kESinH, kECosH, kETanH,
28 kEASin, kEACos, kEATan, kEASinH, kEACosH, kEATanH,
29 kESqrt, kESqr, kEPow10, kEExp,
30 kESgn,
31 kEPositive,
32 kENegative,
33 kEFloor, kECeil, kERound,
34 kERad2Deg, kEDeg2Rad, kERandom,
35 kERandomP, kERandomE, kERandomI, kERandomG, kERandomL,
36 kEIsNaN, kEFinite
37 } OperatorType_t;
38
39 OperatorType_t fOperatorType;
40
41 OperatorType_t ParseOperator(TString txt) const;
42
43 Int_t IsAlNum(TString txt);
44 Int_t GetBracket(TString txt, char open, char close);
45
46 void SimplifyString(TString &txt) const;
47 void AddParenthesis(TString &test, const TString op="^%*/+-") const;
48 MData *ParseString(TString txt, Int_t level=0);
49 MData *ParseDataMember(TString txt);
50
51 MDataChain(const char *rule, OperatorType_t op);
52
53public:
54 MDataChain(const char *rule=NULL, const char *name=NULL, const char *title=NULL);
55 ~MDataChain();
56
57 // MData
58 Double_t GetValue() const;
59
60 Bool_t IsValid() const { return fMember ? kTRUE : kFALSE; }
61 Bool_t PreProcess(const MParList *plist);
62
63 TString GetRule() const;
64 TString GetDataMember() const;
65 //void ReconstructElements() { if (fMember) fMember->ReconstructElements(); }
66
67 // MParContainer
68 Bool_t IsReadyToSave() const;
69 void SetVariables(const TArrayD &arr);
70 Int_t ReadEnv(const TEnv &env, TString prefix, Bool_t print=kFALSE);
71
72 ClassDef(MDataChain, 1) // A chain/concatenation of MData objects
73};
74
75#endif
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