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#ifndef DETECTOR_DESCRIPTION_CORE_DD_COMPARATOR_H
#define DETECTOR_DESCRIPTION_CORE_DD_COMPARATOR_H
#include <vector>
#include "DetectorDescription/Core/interface/DDExpandedNode.h"
#include "DetectorDescription/Core/interface/DDExpandedView.h"
#include "DetectorDescription/Core/interface/DDLogicalPart.h"
#include "DetectorDescription/Core/interface/DDPartSelection.h"
//! compares a given geometrical-history whether it corresponds to the given part-selector
/**
This is a function-object.
*/
class DDCompareEqual {
public:
DDCompareEqual(const DDGeoHistory &h, const DDPartSelection &s)
: hist_(h),
partsel_(s),
hMax_(h.size()),
hIndex_(0),
sMax_(s.size()),
sIndex_(0),
sLp_(),
sCopyno_(0),
absResult_(hMax_ > 0 && sMax_ > 0) {
// it makes only sense to compare if both std::vectors have at least one entry each.
}
DDCompareEqual() = delete;
bool operator()(const DDGeoHistory &, const DDPartSelection &);
bool operator()();
protected:
inline bool nextAnylogp();
inline bool nextAnyposp();
inline bool nextChildlogp();
inline bool nextChildposp();
private:
const DDGeoHistory &hist_;
const DDPartSelection &partsel_;
DDGeoHistory::size_type const hMax_;
DDGeoHistory::size_type hIndex_;
DDPartSelection::size_type const sMax_;
DDPartSelection::size_type sIndex_;
DDLogicalPart sLp_;
int sCopyno_;
bool absResult_;
};
#endif
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