PhysicsTools/FWLite/interface/VariableMapCont.h - master - githubmirror/cmssw

PhysicsTools/FWLite/interface/VariableMapCont.h
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31 май 2019, 18:05
31 май 2019, 18:0529b5de2
// -*- C++ -*-

#if !defined(VariableMapCont_H)
#define VariableMapCont_H

#include <map>
#include <vector>
#include <string>

namespace optutl {

  class VariableMapCont {
  public:
    //////////////////////
    // Public Constants //
    //////////////////////

    // typedefs
    typedef std::vector<int> IVec;
    typedef std::vector<double> DVec;
    typedef std::vector<std::string> SVec;
    typedef std::map<std::string, int> SIMap;
    typedef std::map<std::string, double> SDMap;
    typedef std::map<std::string, bool> SBMap;
    typedef std::map<std::string, std::string> SSMap;
    typedef std::map<std::string, IVec> SIVecMap;
    typedef std::map<std::string, DVec> SDVecMap;
    typedef std::map<std::string, SVec> SSVecMap;
    // Iterators
    typedef IVec::iterator IVecIter;
    typedef DVec::iterator DVecIter;
    typedef SVec::iterator SVecIter;
    typedef SIMap::iterator SIMapIter;
    typedef SDMap::iterator SDMapIter;
    typedef SBMap::iterator SBMapIter;
    typedef SSMap::iterator SSMapIter;
    typedef SIVecMap::iterator SIVecMapIter;
    typedef SDVecMap::iterator SDVecMapIter;
    typedef SSVecMap::iterator SSVecMapIter;
    // constant iterators
    typedef IVec::const_iterator IVecConstIter;
    typedef DVec::const_iterator DVecConstIter;
    typedef SVec::const_iterator SVecConstIter;
    typedef SIMap::const_iterator SIMapConstIter;
    typedef SDMap::const_iterator SDMapConstIter;
    typedef SBMap::const_iterator SBMapConstIter;
    typedef SSMap::const_iterator SSMapConstIter;
    typedef SIVecMap::const_iterator SIVecMapConstIter;
    typedef SDVecMap::const_iterator SDVecMapConstIter;
    typedef SSVecMap::const_iterator SSVecMapConstIter;

    // constants
    static const int kDefaultInteger;
    static const double kDefaultDouble;
    static const std::string kDefaultString;
    static const bool kDefaultBool;
    static const IVec kEmptyIVec;
    static const DVec kEmptyDVec;
    static const SVec kEmptySVec;

    enum OptionType {
      kNone = 0,
      kInteger,
      kDouble,
      kString,
      kBool,
      kIntegerVector,
      kDoubleVector,
      kStringVector,
      kNumOptionTypes
    };

    /////////////
    // friends //
    /////////////
    // tells particle data how to print itself out
    friend std::ostream &operator<<(std::ostream &o_stream, const VariableMapCont &rhs);

    //////////////////////////
    //            _         //
    // |\/|      |_         //
    // |  |EMBER | UNCTIONS //
    //                      //
    //////////////////////////

    /////////////////////////////////
    // Constructors and Destructor //
    /////////////////////////////////
    VariableMapCont();

    //////////////////////////////
    // Regular Member Functions //
    //////////////////////////////

    // prints out '--help' screen, then exits.
    void help();

    // returns OptionType (or kNone (0)) of a given option.
    OptionType hasVariable(std::string key);
    OptionType hasOption(std::string key) { return hasVariable(key); }

    // Add variable to option maps.  'key' is passed in by copy
    // because it is modified in place.
    void addOption(std::string key, OptionType type, const std::string &description = "");
    void addOption(std::string key, OptionType type, const std::string &description, int defaultValue);
    void addOption(std::string key, OptionType type, const std::string &description, double defaultValue);
    void addOption(std::string key, OptionType type, const std::string &description, const std::string &defaultValue);
    void addOption(std::string key, OptionType type, const std::string &description, const char *defaultValue);
    void addOption(std::string key, OptionType type, const std::string &description, bool defaultValue);
    //   addVariable works just like addOption, but has no description.
    void addVariable(std::string key, OptionType type) { addOption(key, type, ""); }
    void addVariable(std::string key, OptionType type, int defaultValue) { addOption(key, type, "", defaultValue); }
    void addVariable(std::string key, OptionType type, double defaultValue) { addOption(key, type, "", defaultValue); }
    void addVariable(std::string key, OptionType type, const std::string &defaultValue) {
      addOption(key, type, "", defaultValue);
    }
    void addVariable(std::string key, OptionType type, const char *defaultValue) {
      addOption(key, type, "", defaultValue);
    }
    void addVariable(std::string key, OptionType type, bool defaultValue) { addOption(key, type, "", defaultValue); }

    // some of the guts of above
    void _checkKey(std::string &key, const std::string &description = "");

    int &integerValue(std::string key);
    double &doubleValue(std::string key);
    std::string &stringValue(std::string key);
    bool &boolValue(std::string key);
    IVec &integerVector(std::string key);
    DVec &doubleVector(std::string key);
    SVec &stringVector(std::string key);

    /////////////////////////////
    // Static Member Functions //
    /////////////////////////////

    // converts a string to lower case characters
    static void lowercaseString(std::string &arg);

    // converts a single character to lower case
    static char toLower(char &ch);

  protected:
    // returns true if a variable has been modified from the command
    // line.
    bool _valueHasBeenModified(const std::string &key);

    /////////////////////////
    // Private Member Data //
    /////////////////////////

    SIMap m_integerMap;
    SDMap m_doubleMap;
    SSMap m_stringMap;
    SBMap m_boolMap;
    SIVecMap m_integerVecMap;
    SDVecMap m_doubleVecMap;
    SSVecMap m_stringVecMap;
    SBMap m_variableModifiedMap;
    SSMap m_variableDescriptionMap;
  };

}  // namespace optutl
#endif  // VariableMapCont_H