FWModelExpressionSelector Class Reference

#include <Fireworks/Core/interface/FWModelExpressionSelector.h>

Public Member Functions
	FWModelExpressionSelector ()
bool	select (FWEventItem *iItem, const std::string &iExpression) const

Private Member Functions
	FWModelExpressionSelector (const FWModelExpressionSelector &)
const FWModelExpressionSelector &	operator= (const FWModelExpressionSelector &)

Detailed Description

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Usage: <usage>

Definition at line 30 of file FWModelExpressionSelector.h.

Constructor & Destructor Documentation

FWModelExpressionSelector::FWModelExpressionSelector ( )

inline

Definition at line 34 of file FWModelExpressionSelector.h.

                               {
   }

FWModelExpressionSelector::FWModelExpressionSelector ( const FWModelExpressionSelector &  )

private

Member Function Documentation

const FWModelExpressionSelector& FWModelExpressionSelector::operator= ( const FWModelExpressionSelector &  )

private

bool FWModelExpressionSelector::select	(	FWEventItem *	iItem,
		const std::string &	iExpression
	)		const

Throws an FWExpressionException if there is a problem

Definition at line 74 of file FWModelExpressionSelector.cc.

References reco::parser::baseExceptionWhat(), FWEventItem::changeManager(), ExpressReco_HICollisions_FallBack::e, getHLTprescales::index, fireworks::expression::indexFromNewFormatToOldFormat(), FWEventItem::modelData(), FWEventItem::modelType(), connectstrParser::o, fireworks::expression::oldToNewFormat(), triggerExpression::parse(), FWEventItem::select(), FWEventItem::size(), summarizeEdmComparisonLogfiles::succeeded, and cond::rpcobtemp::temp.

Referenced by python.Vispa.Views.LineDecayView.LineDecayContainer::createObject(), python.Vispa.Plugins.Browser.BrowserTabController.BrowserTabController::find(), python.Vispa.Views.LineDecayView.LineDecayContainer::mousePressEvent(), python.Vispa.Gui.PortConnection.PointToPointConnection::mousePressEvent(), python.Vispa.Gui.VispaWidget.VispaWidget::mousePressEvent(), python.Vispa.Views.AbstractView.AbstractView::restoreSelection(), and CmsShowEDI::runSelection().

{
   using namespace fireworks::expression;

   ROOT::Reflex::Type type= ROOT::Reflex::Type::ByName(iItem->modelType()->GetName());
   assert(type != ROOT::Reflex::Type());

   //Backwards compatibility with old format
   std::string temp = oldToNewFormat(iExpression);

   //now setup the parser
   using namespace boost::spirit::classic;
   reco::parser::SelectorPtr selectorPtr;
   reco::parser::Grammar grammar(selectorPtr,type);
   bool succeeded=true;
   try {
      if(!parse(temp.c_str(), grammar.use_parser<0>() >> end_p, space_p).full) {
         throw FWExpressionException("syntax error", -1);
         //std::cout <<"failed to parse "<<iExpression<<" because of syntax error"<<std::endl;
         succeeded=false;
      }
   } catch(const reco::parser::BaseException& e) {
      //NOTE: need to calculate actual position before doing the regex
      throw FWExpressionException(reco::parser::baseExceptionWhat(e), indexFromNewFormatToOldFormat(temp,e.where-temp.c_str(),iExpression));
      //std::cout <<"failed to parse "<<iExpression<<" because "<<reco::parser::baseExceptionWhat(e)<<std::endl;
      succeeded=false;
   }
   if(!succeeded) { return false;}


   FWChangeSentry sentry(*(iItem->changeManager()));
   for( unsigned int index = 0; index < iItem->size(); ++index ) {
      ROOT::Reflex::Object o(type, const_cast<void *>(iItem->modelData(index)));

      if((*selectorPtr)(o)) {
         iItem->select(index);
      }
   }

   return true;
}