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TLeafO.cxx
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1 // @(#)root/tree:$Id$
2 // Author: Philippe Canal 20/1/05
3 
4 /*************************************************************************
5  * Copyright (C) 1995-2005, 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 /** \class TLeafO
13 \ingroup tree
14 
15 A TLeaf for a bool data type.
16 */
17 
18 #include "TLeafO.h"
19 #include "TBranch.h"
20 #include "TBuffer.h"
21 #include "TClonesArray.h"
22 #include <iostream>
23 
25 
26 ////////////////////////////////////////////////////////////////////////////////
27 /// Default constructor for LeafO.
28 
30 {
31  fValue = 0;
32  fPointer = 0;
33  fMinimum = 0;
34  fMaximum = 0;
35  fLenType = sizeof(Bool_t);
36 }
37 
38 ////////////////////////////////////////////////////////////////////////////////
39 /// Create a LeafO.
40 
41 TLeafO::TLeafO(TBranch *parent, const char *name, const char *type)
42  : TLeaf(parent,name,type)
43 {
44  fLenType = sizeof(Bool_t);
45  fMinimum = 0;
46  fMaximum = 0;
47  fValue = 0;
48  fPointer = 0;
49 }
50 
51 ////////////////////////////////////////////////////////////////////////////////
52 /// Default destructor for a LeafO.
53 
55 {
56  if (ResetAddress(0,kTRUE)) delete [] fValue;
57 }
58 
59 ////////////////////////////////////////////////////////////////////////////////
60 /// Export element from local leaf buffer to ClonesArray.
61 
63 {
64  Int_t j = 0;
65  for (Int_t i=0;i<n;i++) {
66  memcpy((char*)list->UncheckedAt(i) + fOffset,&fValue[j], fLen);
67  j += fLen;
68  }
69 }
70 
71 ////////////////////////////////////////////////////////////////////////////////
72 /// Pack leaf elements in Basket output buffer.
73 
75 {
76  Int_t len = GetLen();
77  if (fPointer) fValue = *fPointer;
78  if (IsRange()) {
79  if (fValue[0] > fMaximum) fMaximum = fValue[0];
80  }
81  b.WriteFastArray(fValue,len);
82 }
83 
84 ////////////////////////////////////////////////////////////////////////////////
85 /// Returns name of leaf type.
86 
87 const char *TLeafO::GetTypeName() const
88 {
89  return "Bool_t";
90 }
91 
92 ////////////////////////////////////////////////////////////////////////////////
93 /// Copy/set fMinimum and fMaximum to include/be wide than those of the parameter
94 
96 {
97  if (input) {
98  if (input->GetMaximum() > this->GetMaximum())
99  this->SetMaximum( input->GetMaximum() );
100  if (input->GetMinimum() < this->GetMinimum())
101  this->SetMinimum( input->GetMinimum() );
102  return kTRUE;
103  } else {
104  return kFALSE;
105  }
106 }
107 
108 ////////////////////////////////////////////////////////////////////////////////
109 /// Import element from ClonesArray into local leaf buffer.
110 
112 {
113  Int_t j = 0;
114  for (Int_t i=0;i<n;i++) {
115  memcpy(&fValue[j],(char*)list->UncheckedAt(i) + fOffset, fLen);
116  j += fLen;
117  }
118 }
119 
120 ////////////////////////////////////////////////////////////////////////////////
121 /// Prints leaf value.
122 
124 {
125  char *value = (char*)GetValuePointer();
126  printf("%d",(Int_t)value[l]);
127 }
128 
129 ////////////////////////////////////////////////////////////////////////////////
130 /// Read leaf elements from Basket input buffer.
131 
133 {
134  if (!fLeafCount && fNdata == 1) {
135  b.ReadBool(fValue[0]);
136  }else {
137  if (fLeafCount) {
138  Long64_t entry = fBranch->GetReadEntry();
139  if (fLeafCount->GetBranch()->GetReadEntry() != entry) {
140  fLeafCount->GetBranch()->GetEntry(entry);
141  }
142  Int_t len = Int_t(fLeafCount->GetValue());
143  if (len > fLeafCount->GetMaximum()) {
144  printf("ERROR leaf:%s, len=%d and max=%d\n",GetName(),len,fLeafCount->GetMaximum());
145  len = fLeafCount->GetMaximum();
146  }
147  fNdata = len*fLen;
148  b.ReadFastArray(fValue,len*fLen);
149  } else {
150  b.ReadFastArray(fValue,fLen);
151  }
152  }
153 }
154 
155 ////////////////////////////////////////////////////////////////////////////////
156 /// Read leaf elements from Basket input buffer and export buffer to
157 /// TClonesArray objects.
158 
160 {
161  b.ReadFastArray(fValue,n*fLen);
162 
163  Int_t j = 0;
164  for (Int_t i=0;i<n;i++) {
165  memcpy((char*)list->UncheckedAt(i) + fOffset,&fValue[j], fLen);
166  j += fLen;
167  }
168 }
169 
170 ////////////////////////////////////////////////////////////////////////////////
171 /// Read a string from std::istream s and store it into the branch buffer.
172 
173 void TLeafO::ReadValue(std::istream &s, Char_t /*delim = ' '*/)
174 {
175  char *value = (char*)GetValuePointer();
176  s >> value;
177 }
178 
179 ////////////////////////////////////////////////////////////////////////////////
180 /// Set leaf buffer data address.
181 
182 void TLeafO::SetAddress(void *add)
183 {
184  if (ResetAddress(add)) {
185  delete [] fValue;
186  }
187  if (add) {
188  if (TestBit(kIndirectAddress)) {
189  fPointer = (Bool_t**) add;
190  Int_t ncountmax = fLen;
191  if (fLeafCount) ncountmax = fLen*(fLeafCount->GetMaximum() + 1);
192  if ((fLeafCount && ncountmax > Int_t(fLeafCount->GetValue())) ||
193  ncountmax > fNdata || *fPointer == 0) {
194  if (*fPointer) delete [] *fPointer;
195  if (ncountmax > fNdata) fNdata = ncountmax;
196  *fPointer = new Bool_t[fNdata];
197  }
198  fValue = *fPointer;
199  } else {
200  fValue = (Bool_t*)add;
201  }
202  } else {
203  fValue = new Bool_t[fNdata];
204  fValue[0] = 0;
205  }
206 }
l
auto * l
Definition: textangle.C:4
n
const Int_t n
Definition: legend1.C:16
kTRUE
const Bool_t kTRUE
Definition: RtypesCore.h:91
TObject::TestBit
R__ALWAYS_INLINE Bool_t TestBit(UInt_t f) const
Definition: TObject.h:172
TLeafO::Export
virtual void Export(TClonesArray *list, Int_t n)
Export element from local leaf buffer to ClonesArray.
Definition: TLeafO.cxx:62
ClassImp
#define ClassImp(name)
Definition: Rtypes.h:364
TLeafO::SetMaximum
virtual void SetMaximum(Bool_t max)
Definition: TLeafO.h:59
TBranch.h
Long64_t
long long Long64_t
Definition: RtypesCore.h:73
TBranch::GetReadEntry
Long64_t GetReadEntry() const
Definition: TBranch.h:233
TLeafO::GetTypeName
const char * GetTypeName() const
Returns name of leaf type.
Definition: TLeafO.cxx:87
TLeafO::fMinimum
Bool_t fMinimum
Minimum value if leaf range is specified.
Definition: TLeafO.h:35
TGeant4Unit::s
static constexpr double s
Definition: TGeant4SystemOfUnits.h:168
Int_t
int Int_t
Definition: RtypesCore.h:45
TLeafO.h
TLeafO::GetValuePointer
virtual void * GetValuePointer() const
Definition: TLeafO.h:51
TLeafO::fPointer
Bool_t ** fPointer
! Address of a pointer to data buffer!
Definition: TLeafO.h:38
TLeafO::fMaximum
Bool_t fMaximum
Maximum value if leaf range is specified.
Definition: TLeafO.h:36
TLeaf::GetValue
virtual Double_t GetValue(Int_t i=0) const
Definition: TLeaf.h:182
TLeafO::ReadValue
virtual void ReadValue(std::istream &s, Char_t delim=' ')
Read a string from std::istream s and store it into the branch buffer.
Definition: TLeafO.cxx:173
TBuffer
Definition: TBuffer.h:43
TObjArray::UncheckedAt
TObject * UncheckedAt(Int_t i) const
Definition: TObjArray.h:90
TLeafO::Import
virtual void Import(TClonesArray *list, Int_t n)
Import element from ClonesArray into local leaf buffer.
Definition: TLeafO.cxx:111
Bool_t
bool Bool_t
Definition: RtypesCore.h:63
b
#define b(i)
Definition: RSha256.hxx:118
bool
TClonesArray.h
TLeafO::SetAddress
virtual void SetAddress(void *add=0)
Set leaf buffer data address.
Definition: TLeafO.cxx:182
TLeaf::fLenType
Int_t fLenType
Number of bytes for this data type.
Definition: TLeaf.h:73
TBranch
Definition: TBranch.h:89
TBuffer.h
TLeaf
Definition: TLeaf.h:57
TLeaf::fLen
Int_t fLen
Number of fixed length elements in the leaf's data.
Definition: TLeaf.h:72
kFALSE
const Bool_t kFALSE
Definition: RtypesCore.h:92
TBranch::GetEntry
virtual Int_t GetEntry(Long64_t entry=0, Int_t getall=0)
Read all leaves of entry and return total number of bytes read.
Definition: TBranch.cxx:1582
TLeaf::kIndirectAddress
@ kIndirectAddress
Data member is a pointer to an array of basic types.
Definition: TLeaf.h:95
TLeaf::IsRange
virtual Bool_t IsRange() const
Definition: TLeaf.h:148
TLeafO::PrintValue
virtual void PrintValue(Int_t i=0) const
Prints leaf value.
Definition: TLeafO.cxx:123
TLeaf::ResetAddress
Int_t ResetAddress(void *add, Bool_t destructor=kFALSE)
Helper routine for TLeafX::SetAddress.
Definition: TLeaf.cxx:406
TLeafO::IncludeRange
virtual Bool_t IncludeRange(TLeaf *)
Copy/set fMinimum and fMaximum to include/be wide than those of the parameter.
Definition: TLeafO.cxx:95
TLeaf::fOffset
Int_t fOffset
Offset in ClonesArray object (if one)
Definition: TLeaf.h:74
TLeafO::ReadBasketExport
virtual void ReadBasketExport(TBuffer &b, TClonesArray *list, Int_t n)
Read leaf elements from Basket input buffer and export buffer to TClonesArray objects.
Definition: TLeafO.cxx:159
TLeaf::fNdata
Int_t fNdata
! Number of elements in fAddress data buffer.
Definition: TLeaf.h:71
TLeafO
Definition: TLeafO.h:26
TLeaf::GetLen
virtual Int_t GetLen() const
Return the number of effective elements of this leaf, for the current entry.
Definition: TLeaf.cxx:381
TLeaf::GetBranch
TBranch * GetBranch() const
Definition: TLeaf.h:115
TLeaf::GetMaximum
virtual Int_t GetMaximum() const
Definition: TLeaf.h:133
TLeafO::fValue
Bool_t * fValue
! Pointer to data buffer
Definition: TLeafO.h:37
TLeaf::GetMinimum
virtual Int_t GetMinimum() const
Definition: TLeaf.h:134
name
char name[80]
Definition: TGX11.cxx:110
TLeafO::SetMinimum
virtual void SetMinimum(Bool_t min)
Definition: TLeafO.h:60
TLeafO::ReadBasket
virtual void ReadBasket(TBuffer &b)
Read leaf elements from Basket input buffer.
Definition: TLeafO.cxx:132
TLeaf::fLeafCount
TLeaf * fLeafCount
Pointer to Leaf count if variable length (we do not own the counter)
Definition: TLeaf.h:77
TNamed::GetName
virtual const char * GetName() const
Returns name of object.
Definition: TNamed.h:53
type
int type
Definition: TGX11.cxx:121
TLeafO::FillBasket
virtual void FillBasket(TBuffer &b)
Pack leaf elements in Basket output buffer.
Definition: TLeafO.cxx:74
Char_t
char Char_t
Definition: RtypesCore.h:33
TClonesArray
Definition: TClonesArray.h:29
TLeaf::fBranch
TBranch * fBranch
! Pointer to supporting branch (we do not own the branch)
Definition: TLeaf.h:78
TLeafO::~TLeafO
virtual ~TLeafO()
Default destructor for a LeafO.
Definition: TLeafO.cxx:54
int
TLeafO::TLeafO
TLeafO()
Default constructor for LeafO.
Definition: TLeafO.cxx:29