DetectorDescription/Core/src/DDComparator.cc - master - githubmirror/cmssw

DetectorDescription/Core/src/DDComparator.cc
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29 май 2019, 08:28
29 май 2019, 08:2896591f2
#include "DetectorDescription/Core/interface/DDComparator.h"

#include <cstddef>
#include <memory>

#include "DetectorDescription/Core/interface/DDBase.h"

// reason for the ctor: reference initialization at construction.
// FIXME: DDCompareEqual: use pointers instead of references, initialize to 0 and
// FIXME: do the check in operator() instead of in the ctor

bool DDCompareEqual::operator()(const DDGeoHistory&, const DDPartSelection&) { return (*this)(); }

bool DDCompareEqual::operator()() {
  // don't compare, if history or partsel is empty! (see ctor)
  bool result(absResult_);

  /*
     sIndex_  =  running index in the part-selection-std::vector
     sMax_    =  max. value + 1 of sIndex_
     hIndex_  =  runninig index in the geo-history-std::vector
     hMax_    =  max. value + 1 of hIndex_
     sLp_     =  current LogicalPart (the redir-ptr!) in the part-selection-std::vector
     hLp_     =  current LogicalPart (the redir-ptr!) in the geo-history-std::vector
     sCopyno_ =  current copy-no in the part-selection-std::vector
  */
  //DCOUT('U', "DDCompareEqual: comparing");

  while (result && sIndex_ < sMax_) {
    sLp_ = partsel_[sIndex_].lp_;
    sCopyno_ = partsel_[sIndex_].copyno_;
    ddselection_type stype = partsel_[sIndex_].selectionType_;
    switch (stype) {
      case ddanylogp:
        result = nextAnylogp();
        break;

      case ddanyposp:
        result = nextAnyposp();
        break;

      case ddchildlogp:
        result = nextChildlogp();
        break;

      case ddchildposp:
        result = nextChildposp();
        break;

      case ddanychild:
        ++sIndex_;
        ++hIndex_;
        result = true;
        break;

      // ddanynode IS NOT SUPPORTED IN PROTOTYPE SW !!!!
      case ddanynode:
        result = false;
        break;

      default:
        result = false;
        //throw DDException("DDCompareEqual: undefined state!");
    }
    ++sIndex_;
  }
  return result;
}

bool DDCompareEqual::nextAnylogp() {
  size_t hi = hIndex_;
  while (hi < hMax_) {
    if (sLp_ == hist_[hi].logicalPart()) {
      hIndex_ = hi + 1;
      return true;
    }
    ++hi;
  }
  hIndex_ = hi;
  return false;
}

bool DDCompareEqual::nextAnyposp() {
  bool result(false);
  while (hIndex_ < hMax_) {
    if (sLp_ == hist_[hIndex_].logicalPart() && sCopyno_ == hist_[hIndex_].copyno()) {
      result = true;
      ++hIndex_;
      break;
    }
    ++hIndex_;
  }
  return result;
}

bool DDCompareEqual::nextChildlogp() {
  bool result(false);
  if (hIndex_ < hMax_) {
    if (sLp_ == hist_[hIndex_].logicalPart()) {
      ++hIndex_;
      result = true;
    }
  }
  return result;
}

bool DDCompareEqual::nextChildposp() {
  bool result(false);
  if (hIndex_ < hMax_) {
    if (sLp_ == hist_[hIndex_].logicalPart() && sCopyno_ == hist_[hIndex_].copyno()) {
      ++hIndex_;
      result = true;
    }
  }
  return result;
}