#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 boost::shared_ptr< StringObjectFunction< Obj > > &func) const
template<typename Obj >
boost::shared_ptr < StringObjectFunction< Obj > >	tryGet (const std::string &str)
Private Attributes
boost::shared_ptr < StringObjectFunction < reco::Candidate > >	candFunc_
boost::shared_ptr < StringObjectFunction < pat::Electron > >	eleFunc_
std::string	expr_
boost::shared_ptr < StringObjectFunction < pat::Photon > >	gamFunc_
boost::shared_ptr < StringObjectFunction < pat::GenericParticle > >	gpFunc_
boost::shared_ptr < StringObjectFunction < pat::Jet > >	jetFunc_
boost::shared_ptr < StringObjectFunction < pat::MET > >	metFunc_
boost::shared_ptr < StringObjectFunction < pat::Muon > >	muFunc_
boost::shared_ptr < StringObjectFunction < pat::PFParticle > >	pfFunc_
boost::shared_ptr < StringObjectFunction < pat::Tau > >	tauFunc_

Detailed Description

Definition at line 17 of file StringParserTools.h.

Constructor & Destructor Documentation

PATStringObjectFunction::PATStringObjectFunction ( ) [inline]

Definition at line 20 of file StringParserTools.h.

{}

PATStringObjectFunction::PATStringObjectFunction ( const std::string & string )

Definition at line 4 of file StringParserTools.cc.

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

                                                                        :
    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);
   } 
}

Member Function Documentation

double PATStringObjectFunction::operator() ( const reco::Candidate & c ) const

Definition at line 21 of file StringParserTools.cc.

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

                                                                 {
    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"; 
}

void PATStringObjectFunction::throwBadType ( const std::type_info & ty1 ) const [private]

Definition at line 36 of file StringParserTools.cc.

References Exception, and expr_.

Referenced by tryEval().

                                                                   {
    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";
}

template<typename Obj >

double PATStringObjectFunction::tryEval	(	const reco::Candidate &	c,
		const boost::shared_ptr< StringObjectFunction< Obj > > &	func
	)		const `[inline, private]`

Definition at line 49 of file StringParserTools.h.

References trackerHits::c, and throwBadType().

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

template<typename Obj >

boost::shared_ptr<StringObjectFunction<Obj> > PATStringObjectFunction::tryGet ( const std::string & str ) [inline, private]

Definition at line 39 of file StringParserTools.h.

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