PATStringObjectFunction Class Reference

#include <StringParserTools.h>

Public Member Functions
double	operator() (const reco::Candidate &c) const
	PATStringObjectFunction ()
	PATStringObjectFunction (const std::string &string)

Private Member Functions
void	throwBadType (const std::type_info &ty1) const
template<typename Obj >
double	tryEval (const reco::Candidate &c, const std::shared_ptr< StringObjectFunction< Obj > > &func) const
template<typename Obj >
std::shared_ptr< StringObjectFunction< Obj > >	tryGet (const std::string &str)

Private Attributes
std::shared_ptr< StringObjectFunction< reco::Candidate > >	candFunc_
std::shared_ptr< StringObjectFunction< pat::Electron > >	eleFunc_
std::string	expr_
std::shared_ptr< StringObjectFunction< pat::Photon > >	gamFunc_
std::shared_ptr< StringObjectFunction< pat::GenericParticle > >	gpFunc_
std::shared_ptr< StringObjectFunction< pat::Jet > >	jetFunc_
std::shared_ptr< StringObjectFunction< pat::MET > >	metFunc_
std::shared_ptr< StringObjectFunction< pat::Muon > >	muFunc_
std::shared_ptr< StringObjectFunction< pat::PFParticle > >	pfFunc_
std::shared_ptr< StringObjectFunction< pat::Tau > >	tauFunc_

Detailed Description

Definition at line 16 of file StringParserTools.h.

Constructor & Destructor Documentation

PATStringObjectFunction() [1/2]

PATStringObjectFunction::PATStringObjectFunction ( )

inline

Definition at line 18 of file StringParserTools.h.

{}

PATStringObjectFunction() [2/2]

PATStringObjectFunction::PATStringObjectFunction

(

const std::string &

string

)

Definition at line 4 of file StringParserTools.cc.

                                                                        : expr_(string) {
  candFunc_ = tryGet<reco::Candidate>(string);
  if (!candFunc_.get()) {
    eleFunc_ = tryGet<pat::Electron>(string);
    muFunc_ = tryGet<pat::Muon>(string);
    tauFunc_ = tryGet<pat::Tau>(string);
    gamFunc_ = tryGet<pat::Photon>(string);
    jetFunc_ = tryGet<pat::Jet>(string);
    metFunc_ = tryGet<pat::MET>(string);
    gpFunc_ = tryGet<pat::GenericParticle>(string);
    pfFunc_ = tryGet<pat::PFParticle>(string);
  }
}

References candFunc_, eleFunc_, gamFunc_, gpFunc_, jetFunc_, metFunc_, muFunc_, pfFunc_, and tauFunc_.

Member Function Documentation

operator()()

double PATStringObjectFunction::operator()

(

const reco::Candidate &

c

)

const

Definition at line 18 of file StringParserTools.cc.

                                                                       {
  if (candFunc_.get())
    return (*candFunc_)(c);
  const std::type_info &type = typeid(c);
  if (type == typeid(pat::Electron))
    return tryEval<pat::Electron>(c, eleFunc_);
  else if (type == typeid(pat::Muon))
    return tryEval<pat::Muon>(c, muFunc_);
  else if (type == typeid(pat::Tau))
    return tryEval<pat::Tau>(c, tauFunc_);
  else if (type == typeid(pat::Photon))
    return tryEval<pat::Photon>(c, gamFunc_);
  else if (type == typeid(pat::Jet))
    return tryEval<pat::Jet>(c, jetFunc_);
  else if (type == typeid(pat::MET))
    return tryEval<pat::MET>(c, metFunc_);
  else if (type == typeid(pat::GenericParticle))
    return tryEval<pat::GenericParticle>(c, gpFunc_);
  else if (type == typeid(pat::PFParticle))
    return tryEval<pat::PFParticle>(c, pfFunc_);
  else
    throw cms::Exception("Type Error") << "Cannot evaluate '" << expr_ << "' on an object of unsupported type "
                                       << type.name() << "\n";
}

References c, candFunc_, eleFunc_, Exception, expr_, gamFunc_, gpFunc_, jetFunc_, metFunc_, muFunc_, pfFunc_, and tauFunc_.

throwBadType()

void PATStringObjectFunction::throwBadType ( const std::type_info &  ty1 ) const

private

Definition at line 43 of file StringParserTools.cc.

                                                                       {
  throw cms::Exception("Type Error") << "Expression '" << expr_ << "' can't be evaluated on an object of type "
                                     << ty.name() << "\n(hint: use c++filt to demangle the type name)\n";
}

References Exception, and expr_.

Referenced by tryEval().

tryEval()

template<typename Obj >

double PATStringObjectFunction::tryEval ( const reco::Candidate &  c, const std::shared_ptr< StringObjectFunction< Obj > > &  func  ) const

inlineprivate

Definition at line 46 of file StringParserTools.h.

                                                                                                      {
    if (func.get())
      return (*func)(static_cast<const Obj &>(c));
    else
      throwBadType(typeid(c));
    assert(false);
    return 0;
  }

References cms::cuda::assert(), c, TrackCollections2monitor_cff::func, and throwBadType().

tryGet()

template<typename Obj >

std::shared_ptr<StringObjectFunction<Obj> > PATStringObjectFunction::tryGet ( const std::string &  str )

inlineprivate

Definition at line 37 of file StringParserTools.h.

                                                                         {
    try {
      return std::shared_ptr<StringObjectFunction<Obj> >(new StringObjectFunction<Obj>(str));
    } catch (cms::Exception const &) {
      return std::shared_ptr<StringObjectFunction<Obj> >();
    }
  }

References str.

Member Data Documentation

candFunc_

std::shared_ptr<StringObjectFunction<reco::Candidate> > PATStringObjectFunction::candFunc_

private

Definition at line 25 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

eleFunc_

std::shared_ptr<StringObjectFunction<pat::Electron> > PATStringObjectFunction::eleFunc_

private

Definition at line 27 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

expr_

std::string PATStringObjectFunction::expr_

private

Definition at line 24 of file StringParserTools.h.

Referenced by operator()(), and throwBadType().

gamFunc_

std::shared_ptr<StringObjectFunction<pat::Photon> > PATStringObjectFunction::gamFunc_

private

Definition at line 30 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

gpFunc_

std::shared_ptr<StringObjectFunction<pat::GenericParticle> > PATStringObjectFunction::gpFunc_

private

Definition at line 33 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

jetFunc_

std::shared_ptr<StringObjectFunction<pat::Jet> > PATStringObjectFunction::jetFunc_

private

Definition at line 31 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

metFunc_

std::shared_ptr<StringObjectFunction<pat::MET> > PATStringObjectFunction::metFunc_

private

Definition at line 32 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

muFunc_

std::shared_ptr<StringObjectFunction<pat::Muon> > PATStringObjectFunction::muFunc_

private

Definition at line 28 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

pfFunc_

std::shared_ptr<StringObjectFunction<pat::PFParticle> > PATStringObjectFunction::pfFunc_

private

Definition at line 34 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().

tauFunc_

std::shared_ptr<StringObjectFunction<pat::Tau> > PATStringObjectFunction::tauFunc_

private

Definition at line 29 of file StringParserTools.h.

Referenced by operator()(), and PATStringObjectFunction().