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IdConversion.h

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// $Header: /nfs/slac/g/glast/ground/cvs/xmlUtil/xmlUtil/id/IdConversion.h,v 1.9 2002/04/05 18:28:44 jrb Exp $

#ifndef XMLUTIL_IDCONVERSION_H
#define XMLUTIL_IDCONVERSION_H

#include <dom/DOM_Element.hpp>
#include "xmlUtil/id/NamedId.h"
#include <functional>
#include <iostream>

namespace xmlUtil {
  class IdOperation;
  class IdConversion;
  std::ostream& operator<<(std::ostream& s, const IdConversion& convers);

  class IdConversion {
  public:
    IdConversion();


    IdConversion(const DOM_Element); 

    ~IdConversion();

    friend std::ostream& operator<<(std::ostream& s, 
                                    const IdConversion& convers);

    bool inDomain(const NamedId& inputId);

    NamedId * convert(const NamedId& inputId);
    // {return new NamedId(*inputId);};


    bool subpathOf(const IdConversion& other) const;

    friend class IdConverterLessThan;
  private:

    // Returns true if inputId satisfies condition
    bool satisfies(const NamedId& inputId);

    NamedId * internalConvert(const NamedId& inputId);

    void makePath(const DOM_Element& pathElt);

    void buildOp(const DOM_Element& optElt);
    
    typedef std::string  Condition;   // may want more complicated
    //definition for Condition later

    NameSeq *m_path;

    Condition *m_condition;

    IdOperation *m_op;
  };  // end of class IdConversion
}   // end of namespace
#endif

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