File indexing completed on 2024-12-01 12:41:53

 /*
     This file is part of the syndication library
     SPDX-FileCopyrightText: 2006 Frank Osterfeld <osterfeld@kde.org>
 
     SPDX-License-Identifier: LGPL-2.0-or-later
 */
 
 #ifndef SYNDICATION_SPECIFICITEMVISITOR_H
 #define SYNDICATION_SPECIFICITEMVISITOR_H
 
 #include "syndication_export.h"
 
 namespace Syndication
 {
 class SpecificItem;
 
 namespace Atom
 {
 class Entry;
 }
 
 namespace RDF
 {
 class Item;
 }
 
 namespace RSS2
 {
 class Item;
 }
 
 /**
  * Visitor interface, following the Visitor design pattern. Use this if you
  * want to process items and the way how to handle the items depends
  * on it's concrete type (e.g. RSS2::Item, RDF::Item...).
  *
  * TODO: insert code example
  *
  * @author Frank Osterfeld
  */
 class SYNDICATION_EXPORT SpecificItemVisitor // krazy:exclude=dpointer
 {
 public:
     /**
      * destructor
      */
     virtual ~SpecificItemVisitor();
 
     /**
      * call this method to handle an item. Depending on the concrete type
      * of the item, a specialized visit method is called.
      *
      * @param item the item to process
      * @return whether this visitor handles the type of the item
      */
     virtual bool visit(SpecificItem *item);
 
     /**
      * reimplement this method to handle RSS2 items.
      *
      * @param item the RSS2 item to visit
      * @return whether the visitor handled the item.
      * Reimplementations of this method must return @c true.
      */
     virtual bool visitRSS2Item(Syndication::RSS2::Item *item);
 
     /**
      * reimplement this method to handle RDF items.
      *
      * @param item the RDF item to visit
      * @return whether the visitor handled the item.
      * Reimplementations of this method must return @c true.
      */
     virtual bool visitRDFItem(Syndication::RDF::Item *item);
 
     /**
      * reimplement this method to handle Atom entries.
      *
      * @param item the Atom entry to visit
      * @return whether the visitor handled the entry.
      * Reimplementations of this method must return @c true.
      */
     virtual bool visitAtomEntry(Syndication::Atom::Entry *item);
 };
 
 } // namespace Syndication
 
 #endif // SYNDICATION_SPECIFICITEMVISITOR_H