EvtMultiChannelParser.hh

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//-----------------------------------------------------------------------
// File and Version Information:
//      $Id: EvtMultiChannelParser.hh,v 1.1.1.2 2007/10/26 05:03:14 pingrg Exp $
//
// Environment:
//      This software is part of the EvtGen package developed jointly
//      for the BaBar and CLEO collaborations. If you use all or part
//      of it, please give an appropriate acknowledgement.
//
// Copyright Information:
//      Copyright (C) 1998 Caltech, UCSB
//
// Module creator:
//      Alexei Dvoretskii, Caltech, 2001-2002.
//-----------------------------------------------------------------------
 
// Parse decay file tokens from a file or a vector
 
#ifndef EVT_MULTI_CHANNEL_PARSER
#define EVT_MULTI_CHANNEL_PARSER
 
#include "EvtComplex.hh"
#include <string>
#include <vector>
 
class EvtDecayMode;
 
enum { POLAR_RAD, POLAR_DEG, CARTESIAN };
 
class EvtMultiChannelParser {
 
public:
  EvtMultiChannelParser() : _pdfMax( -1. ), _nScan( 0 ), _dm( 0. ) {}
  ~EvtMultiChannelParser() {}
 
  static EvtDecayMode getDecayMode( const char* file );
 
  void parse( const char* file, const char* model );
  void parse( const std::vector<std::string>& v );
 
  static void   parseComplexCoef( int& i, const std::vector<std::string>& v, EvtComplex& c,
                                  int& format );
  static double parseRealCoef( int& i, const std::vector<std::string>& v );
  static bool   isKeyword( const std::string& s );
 
  inline double pdfMax() const { return _pdfMax; }
  inline int    nScan() const { return _nScan; }
  inline double dm() const { return _dm; }
 
  inline std::vector<std::string> amp( int i ) const { return _amp[i]; }
  inline std::vector<std::string> ampConj( int i ) const { return _ampConj[i]; }
  inline EvtComplex               ampCoef( int i ) const { return _ampCoef[i]; }
  inline EvtComplex               ampConjCoef( int i ) const { return _ampConjCoef[i]; }
 
  inline int coefFormat( int i ) const { return _coefFormat[i]; }
  inline int coefConjFormat( int i ) const { return _coefConjFormat[i]; }
 
  inline int getNAmp() const { return _amp.size(); }
  inline int getNAmpConj() const { return _ampConj.size(); }
 
private:
  double _pdfMax;
  int    _nScan;
  double _dm;
 
  std::vector<std::vector<std::string>> _amp;
  std::vector<std::vector<std::string>> _ampConj;
  std::vector<EvtComplex>               _ampCoef;
  std::vector<int>                      _coefFormat;
  std::vector<EvtComplex>               _ampConjCoef;
  std::vector<int>                      _coefConjFormat;
};
 
#endif