Dep.h

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#ifndef ZYPP_DEP_H
#define ZYPP_DEP_H

#include <iosfwd>
#include <string>

namespace zypp
{ 

  //
  //    CLASS NAME : Dep
  //
  struct Dep
  {
    friend bool operator==( const Dep & lhs, const Dep & rhs );
    friend bool operator!=( const Dep & lhs, const Dep & rhs );
    friend bool operator<( const Dep & lhs, const Dep & rhs );

    static const Dep PROVIDES;
    static const Dep PREREQUIRES;
    static const Dep REQUIRES;
    static const Dep CONFLICTS;
    static const Dep OBSOLETES;
    static const Dep RECOMMENDS;
    static const Dep SUGGESTS;
    static const Dep ENHANCES;
    static const Dep SUPPLEMENTS;

    enum for_use_in_switch {
      PROVIDES_e,
      PREREQUIRES_e,
      REQUIRES_e,
      CONFLICTS_e,
      OBSOLETES_e,
      RECOMMENDS_e,
      SUGGESTS_e,
      ENHANCES_e,
      SUPPLEMENTS_e,
    };

    explicit
    Dep( const std::string & strval_r );

    const std::string & asString() const;

    for_use_in_switch inSwitch() const
    { return _type; }

  private:
    Dep( for_use_in_switch type_r )
    : _type( type_r )
    {}
    for_use_in_switch _type;
  };

  inline std::ostream & operator<<( std::ostream & str, const Dep & obj )
  { return str << obj.asString(); }


  inline bool operator==( const Dep & lhs, const Dep & rhs )
  { return lhs._type == rhs._type; }

  inline bool operator!=( const Dep & lhs, const Dep & rhs )
  { return lhs._type != rhs._type; }

  inline bool operator<( const Dep & lhs, const Dep & rhs )
  { return lhs._type < rhs._type; }

} // namespace zypp
#endif // ZYPP_DEP_H