kde-playground/khelpcenter/docentrytraverser.h
2015-02-27 09:29:54 +00:00

64 lines
1.7 KiB
C++

/* This file is part of the KDE project
Copyright 2002 Cornelius Schumacher <schumacher@kde.org>
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public
License version 2 or at your option version 3 as published
by the Free Software Foundation.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#ifndef KHC_DOCENTRYTRAVERSER_H
#define KHC_DOCENTRYTRAVERSER_H
namespace KHC {
class DocEntry;
class DocMetaInfo;
class DocEntryTraverser
{
public:
DocEntryTraverser() : mNotifyee( 0 ), mParent( 0 ), mParentEntry( 0 ) {}
virtual ~DocEntryTraverser() {}
void setNotifyee( DocMetaInfo * );
virtual void process( DocEntry * ) = 0;
virtual void startProcess( DocEntry * );
virtual DocEntryTraverser *createChild( DocEntry *parentEntry ) = 0;
virtual void deleteTraverser();
virtual void finishTraversal() {}
DocEntryTraverser *childTraverser( DocEntry *parentEntry );
virtual DocEntryTraverser *parentTraverser();
void setParentEntry( DocEntry * );
DocEntry *parentEntry();
protected:
DocMetaInfo *mNotifyee;
DocEntryTraverser *mParent;
private:
DocEntry *mParentEntry;
};
}
#endif //KHC_DOCENTRYTRAVERSER_H
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