LogicalUnaryOperator.h

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#ifndef CommonTools_Utils_LogicalUnaryOperator_h
#define CommonTools_Utils_LogicalUnaryOperator_h
/* \class reco::parser::LogicalUnaryOperator
 *
 * logical AND combiner
 *
 * \author original version: Chris Jones, Cornell, 
 *         adapted by Luca Lista, INFN
 *
 * \version $Revision: 1.2 $
 *
 */
#include "CommonTools/Utils/interface/parser/SelectorBase.h"
#include "CommonTools/Utils/interface/parser/SelectorStack.h"

namespace reco {
  namespace parser {
    template <typename Op>
    struct LogicalUnaryOperator : public SelectorBase {
      LogicalUnaryOperator(SelectorStack& selStack) {
        rhs_ = selStack.back();
        selStack.pop_back();
      }
      bool operator()(const edm::ObjectWithDict& o) const override { return op_((*rhs_)(o)); }

    private:
      Op op_;
      SelectorPtr rhs_;
    };
  }  // namespace parser
}  // namespace reco

#endif