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119 lines
3.1 KiB
C++
119 lines
3.1 KiB
C++
/*
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* This file is part of the syndication library
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*
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* Copyright (C) 2006 Frank Osterfeld <osterfeld@kde.org>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SYNDICATION_RDF_SEQUENCE_H
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#define SYNDICATION_RDF_SEQUENCE_H
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#include <syndication/ksyndication_export.h>
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#include <syndication/rdf/resource.h>
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#include <boost/shared_ptr.hpp>
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#include <QList>
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namespace Syndication {
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namespace RDF {
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//@cond PRIVATE
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class Sequence;
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typedef boost::shared_ptr<Sequence> SequencePtr;
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//@endcond
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/**
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* Sequence container, a sequence contains an ordered list
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* of RDF nodes. (opposed to the usually unordered graph
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* structure)
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*/
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class SYNDICATION_EXPORT Sequence : public Resource
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{
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public:
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/**
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* creates a null sequence
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*/
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Sequence();
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/**
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* creates a sequence with the given URI. Do not use this directly,
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* use Model::createSequence() instead.
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*/
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explicit Sequence(const QString& uri);
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/**
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* copies a sequence
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*
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* @param other sequence
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*/
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Sequence(const Sequence& other);
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/**
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* destructor
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*/
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virtual ~Sequence();
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/**
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* assigns another sequence
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*
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* @param other the sequence to assign
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*/
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virtual Sequence& operator=(const Sequence& other);
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/**
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* Used by visitors for double dispatch. See NodeVisitor
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* for more information.
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* @param visitor the visitor calling the method
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* @param ptr a shared pointer object for this node
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*/
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virtual void accept(NodeVisitor* visitor, NodePtr ptr);
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/**
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* creates a copy of the sequence
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*/
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virtual Sequence* clone() const;
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/**
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* appends a node at the end of the sequence
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*
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* @param node the RDF node to append to the sequence
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*/
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virtual void append(NodePtr node);
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/**
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* the list of the list items in the sequence, in the
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* specified order
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*/
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virtual QList<NodePtr> items() const;
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/**
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* returns @p true
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*/
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virtual bool isSequence() const;
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private:
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class SequencePrivate;
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boost::shared_ptr<SequencePrivate> d;
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};
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} // namespace RDF
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} // namespace Syndication
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#endif // SYNDICATION_RDF_SEQUENCE_H
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