DDVectorGetter.h

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#ifndef CORE_DDVECTOR_GETTER_H
#define CORE_DDVECTOR_GETTER_H
 
#include "DetectorDescription/Core/interface/DDVector.h"
#include <string>
#include <vector>
 
namespace DDVectorGetter {
  bool check(const std::string&);
  std::vector<double> get(const std::string&);
  void beginWith(const std::string&, std::vector<std::string>&);
 
  inline bool check(const std::string& str) {
    DDVector::iterator<DDVector> vit;
    DDVector::iterator<DDVector> ved(DDVector::end());
 
    for (; vit != ved; ++vit) {
      if (vit->isDefined().second) {
        DDName vname(vit->name());
        if (vname.name() == str)
          return true;
      }
    }
 
    return false;
  }
 
  inline std::vector<double> get(const std::string& str) {
    DDVector::iterator<DDVector> vit;
    DDVector::iterator<DDVector> ved(DDVector::end());
    if (vit == ved)
      throw cms::Exception("DDException") << "DDVectorGetter: vectors are empty, cannot get array " << str;
 
    for (; vit != ved; ++vit) {
      if (vit->isDefined().second) {
        DDName vname(vit->name());
        if (vname.name() == str) {
          const std::vector<double>& fvec = vit->values();
          return fvec;
        }
      }
    }
 
    throw cms::Exception("DDException") << "DDVectorGetter: cannot get array " << str;
  }
 
  inline void beginWith(const std::string& str, std::vector<std::string>& vstring) {
    DDVector::iterator<DDVector> vit;
    DDVector::iterator<DDVector> ved(DDVector::end());
 
    for (; vit != ved; ++vit) {
      if (vit->isDefined().second) {
        DDName vname(vit->name());
        if (vname.name().compare(0, str.size(), str) == 0)
          vstring.emplace_back(vname.name());
      }
    }
  }
};  // namespace DDVectorGetter
 
#endif  // CORE_DDVECTOR_GETTER_H