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TArray.h
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1// @(#)root/cont:$Id$
2// Author: Fons Rademakers 21/10/97
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_TArray
13#define ROOT_TArray
14
15
16//////////////////////////////////////////////////////////////////////////
17// //
18// TArray //
19// //
20// Abstract array base class. Used by TArrayC, TArrayS, TArrayI, //
21// TArrayL, TArrayF and TArrayD. //
22// Data member is public for historical reasons. //
23// //
24//////////////////////////////////////////////////////////////////////////
25
26#include "Rtypes.h"
27#include <string.h>
28
29class TBuffer;
30
31class TArray {
32
33protected:
34 Bool_t BoundsOk(const char *where, Int_t at) const;
35 Bool_t OutOfBoundsError(const char *where, Int_t i) const;
36
37public:
38 Int_t fN; //Number of array elements
39
40 TArray(): fN(0) { }
41 TArray(Int_t n): fN(n) { }
42 TArray(const TArray &a): fN(a.fN) { }
43 TArray &operator=(const TArray &rhs)
44 {if(this!=&rhs) fN = rhs.fN; return *this; }
45 virtual ~TArray() { fN = 0; }
46
47 Int_t GetSize() const { return fN; }
48 virtual void Set(Int_t n) = 0;
49
50 virtual Double_t GetAt(Int_t i) const = 0;
51 virtual void SetAt(Double_t v, Int_t i) = 0;
52
53 static TArray *ReadArray(TBuffer &b, const TClass *clReq);
54 static void WriteArray(TBuffer &b, const TArray *a);
55
56 friend TBuffer &operator<<(TBuffer &b, const TArray *obj);
57
58 ClassDef(TArray,1) //Abstract array base class
59};
60
61#if defined R__TEMPLATE_OVERLOAD_BUG
62template <>
63#endif
64inline TBuffer &operator>>(TBuffer &buf, TArray *&obj)
65{
66 // Read TArray object from buffer.
67
68 obj = (TArray *) TArray::ReadArray(buf, TArray::Class());
69 return buf;
70}
71
72#if defined R__TEMPLATE_OVERLOAD_BUG
73template <>
74#endif
75TBuffer &operator<<(TBuffer &b, const TArray *obj);
76
77inline Bool_t TArray::BoundsOk(const char *where, Int_t at) const
78{
79 return (at < 0 || at >= fN)
80 ? OutOfBoundsError(where, at)
81 : kTRUE;
82}
83
84#endif
void Class()
Definition: Class.C:29
#define b(i)
Definition: RSha256.hxx:100
int Int_t
Definition: RtypesCore.h:43
bool Bool_t
Definition: RtypesCore.h:61
double Double_t
Definition: RtypesCore.h:57
const Bool_t kTRUE
Definition: RtypesCore.h:89
#define ClassDef(name, id)
Definition: Rtypes.h:322
TBuffer & operator>>(TBuffer &buf, TArray *&obj)
Definition: TArray.h:64
TBuffer & operator<<(TBuffer &b, const TArray *obj)
Write TArray or derived object to buffer.
Definition: TArray.cxx:112
Abstract array base class.
Definition: TArray.h:31
virtual void SetAt(Double_t v, Int_t i)=0
Int_t fN
Definition: TArray.h:38
static void WriteArray(TBuffer &b, const TArray *a)
Write TArray object to buffer.
Definition: TArray.cxx:82
virtual ~TArray()
Definition: TArray.h:45
TArray()
Definition: TArray.h:40
virtual Double_t GetAt(Int_t i) const =0
Bool_t BoundsOk(const char *where, Int_t at) const
Definition: TArray.h:77
virtual void Set(Int_t n)=0
Int_t GetSize() const
Definition: TArray.h:47
TArray & operator=(const TArray &rhs)
Definition: TArray.h:43
static TArray * ReadArray(TBuffer &b, const TClass *clReq)
Read TArray object from buffer.
Definition: TArray.cxx:41
Bool_t OutOfBoundsError(const char *where, Int_t i) const
Generate an out-of-bounds error. Always returns false.
Definition: TArray.cxx:30
TArray(const TArray &a)
Definition: TArray.h:42
TArray(Int_t n)
Definition: TArray.h:41
friend TBuffer & operator<<(TBuffer &b, const TArray *obj)
Write TArray or derived object to buffer.
Definition: TArray.cxx:112
Buffer base class used for serializing objects.
Definition: TBuffer.h:42
TClass instances represent classes, structs and namespaces in the ROOT type system.
Definition: TClass.h:80
const Int_t n
Definition: legend1.C:16
auto * a
Definition: textangle.C:12