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loizides |
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// $Id: EventHeader.cc,v 1.1 2008/06/17 14:45:22 loizides Exp $
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#include "MitAna/Utils/interface/SimpleTable.h"
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#include <Riostream.h>
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#include <TSystem.h>
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#include <TFormula.h>
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using namespace mithep;
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ClassImp(mithep::SimpleTable)
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ClassImp(mithep::SimpleTable::MyParameter)
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//--------------------------------------------------------------------------------------------------
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void SimpleTable::MyParameter::Print(Option_t */*option*/) const
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{
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// Print this parameter.
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printf("%s -> %e\n", GetName(), GetVal());
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}
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//--------------------------------------------------------------------------------------------------
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SimpleTable::SimpleTable(const char *input)
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: fTable(TCollection::kInitHashTableCapacity, 1)
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{
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// Constructor.
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fTable.SetOwner(kTRUE);
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TString ifile(gSystem->ExpandPathName(input));
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if (ifile.IsNull())
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return;
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ifstream in(ifile);
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if (!in.good())
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return;
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Char_t dummy[1024];
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TString name;
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TString value;
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while(!in.eof()) {
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in >> name >> value;
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if ((name.IsNull()) || name.BeginsWith("#"))
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continue;
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in.getline(dummy,1024);
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TFormula fval("formula",value);
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MyParameter *par = new MyParameter(name,fval.Eval(0));
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fTable.Add(par);
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}
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}
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//--------------------------------------------------------------------------------------------------
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Double_t SimpleTable::Get(const char *name) const
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{
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// Get value corresponding to name.
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const MyParameter *p = dynamic_cast<const MyParameter*>(fTable.FindObject(name));
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if(p)
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Fatal("Get", "Could not get value for given name %s", name);
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return p->GetVal();
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}
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//--------------------------------------------------------------------------------------------------
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Double_t SimpleTable::Has(const char *name) const
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{
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// Return true if table contains given name.
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TObject *o = fTable.FindObject(name);
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return (o!=0);
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}
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//--------------------------------------------------------------------------------------------------
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void SimpleTable::Print(Option_t *opt) const
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{
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// Print content of table.
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TIter iter(fTable.MakeIterator());
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const MyParameter *p = dynamic_cast<const MyParameter*>(iter.Next());
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while (p) {
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p->Print();
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p = dynamic_cast<const MyParameter*>(iter.Next());
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}
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}
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