DDAlgoArguments.h

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#ifndef DETECTOR_DESCRIPTION_DD_ALGO_ARGUMENTS_H
#define DETECTOR_DESCRIPTION_DD_ALGO_ARGUMENTS_H

#include "XML/XML.h"
#include "DD4hep/DetElement.h"
#include "DetectorDescription/DDCMS/interface/DDXMLTags.h"
#include "DetectorDescription/DDCMS/interface/DDNamespace.h"
#include "DetectorDescription/DDCMS/interface/DDParsingContext.h"

#include <map>
#include <sstream>

namespace cms {
  using DD3Vector = ROOT::Math::DisplacementVector3D<ROOT::Math::Cartesian3D<double>>;

  static constexpr long s_executed = 1l;

  constexpr unsigned int hash(const char* str, int h = 0) { return !str[h] ? 5381 : (hash(str, h + 1) * 33) ^ str[h]; }

  inline unsigned int hash(const std::string& str) { return hash(str.c_str()); }

  dd4hep::Rotation3D makeRotation3D(double thetaX, double phiX, double thetaY, double phiY, double thetaZ, double phiZ);

  dd4hep::Rotation3D makeRotReflect(double thetaX, double phiX, double thetaY, double phiY, double thetaZ, double phiZ);

  dd4hep::Rotation3D makeRotation3D(dd4hep::Rotation3D rotation, const std::string& axis, double angle);

  class DDAlgoArguments {
  public:
    DDAlgoArguments(cms::DDParsingContext&, xml_h algorithm);

    DDAlgoArguments() = delete;
    DDAlgoArguments(const DDAlgoArguments& copy) = delete;
    DDAlgoArguments& operator=(const DDAlgoArguments& copy) = delete;
    ~DDAlgoArguments() = default;

    std::string name;
    cms::DDParsingContext& context;
    xml_h element;

    std::string parentName() const;
    std::string childName() const;
    bool find(const std::string& name) const;
    template <typename T>
    T value(const std::string& name) const;
    std::string str(const std::string& nam) const;
    double dble(const std::string& nam) const;
    int integer(const std::string& nam) const;
    std::vector<double> vecDble(const std::string& nam) const;
    std::vector<int> vecInt(const std::string& nam) const;
    std::vector<std::string> vecStr(const std::string& nam) const;
    std::string resolveValue(const std::string& value) const;

  private:
    xml_h rawArgument(const std::string& name) const;
    std::string resolved_scalar_arg(const std::string& name) const;
  };
}  // namespace cms

#endif