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syndication/rdf

sequence.cpp
00001 /*
00002  * This file is part of the syndication library
00003  *
00004  * Copyright (C) 2006 Frank Osterfeld <osterfeld@kde.org>
00005  *
00006  * This library is free software; you can redistribute it and/or
00007  * modify it under the terms of the GNU Library General Public
00008  * License as published by the Free Software Foundation; either
00009  * version 2 of the License, or (at your option) any later version.
00010  *
00011  * This library is distributed in the hope that it will be useful,
00012  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00013  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00014  * Library General Public License for more details.
00015  *
00016  * You should have received a copy of the GNU Library General Public License
00017  * along with this library; see the file COPYING.LIB.  If not, write to
00018  * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00019  * Boston, MA 02110-1301, USA.
00020  *
00021  */
00022 
00023 #include "sequence.h"
00024 #include "node.h"
00025 #include "nodevisitor.h"
00026 
00027 #include <QtCore/QList>
00028 #include <QtCore/QString>
00029 
00030 namespace Syndication {
00031 namespace RDF {
00032 
00033 class Sequence::SequencePrivate
00034 {
00035     public:
00036     
00037     QList<NodePtr> items;
00038 };
00039 
00040 Sequence::Sequence() : Resource(), d()
00041 {
00042 }
00043 
00044 Sequence::Sequence(const QString& uri)
00045     : Resource(uri), d(new SequencePrivate)
00046 {
00047 }
00048 
00049 Sequence::Sequence(const Sequence& other) : Resource(other)
00050 {
00051     *this = other;
00052 }
00053 
00054 Sequence::~Sequence()
00055 {
00056 }
00057 void Sequence::accept(NodeVisitor* visitor, NodePtr ptr)
00058 {
00059     SequencePtr sptr = boost::static_pointer_cast<Sequence>(ptr);
00060     if (!visitor->visitSequence(sptr))
00061         Resource::accept(visitor, ptr);
00062 }
00063                 
00064 Sequence* Sequence::clone() const
00065 {
00066     return new Sequence(*this);
00067 }
00068 
00069 Sequence& Sequence::operator=(const Sequence& other)
00070 {
00071     Resource::operator=(other);
00072     d = other.d;
00073     return *this;
00074 }
00075 
00076 void Sequence::append(NodePtr node)
00077 {
00078     if (d)
00079         d->items.append(node);
00080 }
00081 
00082 QList<NodePtr> Sequence::items() const
00083 {
00084     return d ? d->items : QList<NodePtr>();
00085 }
00086 
00087 bool Sequence::isSequence() const
00088 {
00089     return true;
00090 }
00091 
00092 } // namespace RDF
00093 } // namespace Syndication
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