Jpp  18.2.0
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JPrintName.cc
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1 #include <string>
2 #include <iostream>
3 #include <iomanip>
4 #include <sstream>
5 #include <cmath>
6 
7 #include "TROOT.h"
8 #include "TFile.h"
9 #include "TObject.h"
10 #include "TKey.h"
11 #include "TString.h"
12 #include "TRegexp.h"
13 
14 #include "JGizmo/JRootObjectID.hh"
15 #include "JGizmo/JGizmoToolkit.hh"
16 
17 #include "Jeep/JParser.hh"
18 #include "Jeep/JMessage.hh"
19 #include "Jeep/JPrint.hh"
20 
21 
22 /**
23  * \file
24  *
25  * Auxiliary program to print name of ROOT objects.
26  *
27  * The option <tt>-f</tt> corresponds to <tt><file name>:<object name></tt>.
28  * \author mdejong
29  */
30 int main(int argc, char **argv)
31 {
32  using namespace std;
33  using namespace JPP;
34 
35  vector<JRootObjectID> inputFile;
36  int debug;
37 
38  try {
39 
40  JParser<> zap("Auxiliary program to print name of ROOT objects.");
41 
42  zap['f'] = make_field(inputFile, "<input file>:<object name>");
43  zap['d'] = make_field(debug) = 0;
44 
45  zap(argc, argv);
46  }
47  catch(const exception &error) {
48  FATAL(error.what() << endl);
49  }
50 
51  for (vector<JRootObjectID>::const_iterator input = inputFile.begin(); input != inputFile.end(); ++input) {
52 
53  DEBUG("Input: " << *input << endl);
54 
55  TDirectory* dir = getDirectory(*input);
56 
57  if (dir == NULL) {
58  ERROR("File: " << input->getFullFilename() << " not opened." << endl);
59  continue;
60  }
61 
62  const TRegexp regexp(input->getObjectName());
63 
64  TIter iter(dir->GetListOfKeys());
65 
66  for (TKey* key; (key = (TKey*) iter.Next()) != NULL; ) {
67 
68  const TString tag(key->GetName());
69 
70  DEBUG("Key: " << tag << " match = " << tag.Contains(regexp) << endl);
71 
72  // option match
73 
74  if (tag.Contains(regexp) && isTObject(key)) {
75 
76  TObject* object = key->ReadObj();
77 
78  cout << object->GetName() << endl;
79  }
80  }
81  }
82 }
Utility class to parse command line options.
Definition: JParser.hh:1514
int main(int argc, char *argv[])
Definition: Main.cc:15
Definition: JRoot.hh:19
I/O formatting auxiliaries.
#define make_field(A,...)
macro to convert parameter to JParserTemplateElement object
Definition: JParser.hh:1989
#define ERROR(A)
Definition: JMessage.hh:66
General purpose messaging.
#define FATAL(A)
Definition: JMessage.hh:67
Utility class to parse command line options.
bool isTObject(const TKey *key)
Check if given key corresponds to a TObject.
TDirectory * getDirectory(const JRootObjectID &id)
Get TDirectory pointer.
int debug
debug level
#define DEBUG(A)
Message macros.
Definition: JMessage.hh:62