/data/doxygen/doxygen-1.7.3/gen/CMSSW_4_2_8/src/FWCore/ParameterSet/interface/ParameterWildcardBase.h

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#ifndef FWCore_ParameterSet_ParameterWildcardBase_h
#define FWCore_ParameterSet_ParameterWildcardBase_h

#include "FWCore/ParameterSet/interface/ParameterDescriptionNode.h"

#include <set>
#include <string>
#include <iosfwd>
#include <vector>


namespace edm {

  class ParameterSet;
  class DocFormatHelper;

  enum WildcardValidationCriteria {
    RequireZeroOrMore,
    RequireAtLeastOne,
    RequireExactlyOne
  };

  class ParameterWildcardBase : public ParameterDescriptionNode 
  {
  public:
    virtual ~ParameterWildcardBase();

    ParameterTypes type() const { return type_; }
    bool isTracked() const { return isTracked_; }
    WildcardValidationCriteria criteria() const { return criteria_; }
 
  protected:
    ParameterWildcardBase(ParameterTypes iType,
                          bool isTracked,
                          WildcardValidationCriteria criteria
                         );

    void throwIfInvalidPattern(char const* pattern) const;
    void throwIfInvalidPattern(std::string const& pattern) const;

    void validateMatchingNames(std::vector<std::string> const& matchingNames,
                               std::set<std::string> & validatedLabels,
                               bool optional) const;

  private:

    virtual void checkAndGetLabelsAndTypes_(std::set<std::string> & usedLabels,
                                            std::set<ParameterTypes> & parameterTypes,
                                            std::set<ParameterTypes> & wildcardTypes) const;

    virtual void writeCfi_(std::ostream & os,
                           bool & startWithComma,
                           int indentation,
                           bool & wroteSomething) const;

    virtual void print_(std::ostream & os,
                        bool optional,
                        bool writeToCfi,
                        DocFormatHelper & dfh);

    virtual bool partiallyExists_(ParameterSet const& pset) const;

    virtual int howManyXORSubNodesExist_(ParameterSet const& pset) const;

    ParameterTypes type_;
    bool isTracked_;
    WildcardValidationCriteria criteria_;

    // In the future we may want to add a string for the label if
    // default values are added to be inserted into a ParameterSet
    // when missing.

    // In the future we may want to add a string for the wildcard
    // pattern if we implement regular expressions, globbing, or some
    // other kind of wildcard patterns other than "*".
  };
}
#endif