PatternExpander.h

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#ifndef ZYPP_UI_PATTERNEXPANDER_H
#define ZYPP_UI_PATTERNEXPANDER_H

#include <iosfwd>
#include <map>

#include "zypp/base/PtrTypes.h"
#include "zypp/base/NonCopyable.h"
#include "zypp/base/DefaultIntegral.h"
#include "zypp/base/Iterator.h"

#include "zypp/Pattern.h"

namespace zypp
{ 

  class ResPool;

  namespace ui
  { 

    //
    //  CLASS NAME : PatternExpander
    //
    class PatternExpander : private base::NonCopyable
    {
    private:
      class Impl;
      typedef std::map<Pattern::constPtr,
                       DefaultIntegral<bool, false> > PatternMap;

    public:
      typedef PatternMap::size_type size_type;
      typedef PatternMap::key_type  value_type;
      typedef MapKVIteratorTraits<PatternMap>::Key_const_iterator const_iterator;

    public:
      PatternExpander( const ResPool & pool_r );

    public:
      size_type expand( const ResObject::constPtr & obj_r )
      { return expand( asKind<Pattern>(obj_r) ); }

      size_type expand( const Pattern::constPtr & pat_r );

      size_type size() const;

      bool empty() const;

      const_iterator begin() const;

      const_iterator end() const;

    private:
      RW_pointer<Impl> _pimpl;
    };

  } // namespace ui
} // namespace zypp
#endif // ZYPP_UI_PATTERNEXPANDER_H

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