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Syndication Library

elementwrapper.h
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 #ifndef SYNDICATION_ELEMENTWRAPPER_H
00023 #define SYNDICATION_ELEMENTWRAPPER_H
00024 
00025 #include <QtCore/QString>
00026 
00027 #include <boost/shared_ptr.hpp>
00028 
00029 #include "ksyndication_export.h"
00030 
00031 class QDomElement;
00032 template <class T> class QList;
00033 
00034 namespace Syndication {
00035 
00043 class SYNDICATION_EXPORT ElementWrapper
00044 {
00045     public:
00046 
00051         ElementWrapper();
00052 
00057         ElementWrapper(const ElementWrapper& other);
00058 
00063         ElementWrapper(const QDomElement& element); // implicit
00064 
00068         virtual ~ElementWrapper();
00069 
00077         ElementWrapper& operator=(const ElementWrapper& other);
00078 
00084         bool operator==(const ElementWrapper& other) const;
00085 
00089         const QDomElement& element() const;
00090 
00096         bool isNull() const;
00097 
00106         QString xmlBase() const;
00107 
00115         QString xmlLang() const;
00116 
00135         QString completeURI(const QString& uri) const;
00136 
00160         QString extractElementTextNS(const QString& namespaceURI,
00161                                      const QString& localName) const;
00162 
00178         QString extractElementText(const QString& tagName) const;
00179 
00188         QList<QDomElement> elementsByTagName(const QString& tagName) const;
00189 
00196         QString childNodesAsXML() const;
00197 
00215         static QString childNodesAsXML(const QDomElement& parent);
00216 
00229         QList<QDomElement> elementsByTagNameNS(const QString& nsURI,
00230                                                const QString& tagName) const;
00231 
00242         QDomElement firstElementByTagNameNS(const QString& nsURI,
00243                                             const QString& tagName) const;
00244 
00249         QString text() const;
00250 
00259         QString attribute(const QString& name,
00260                           const QString& defValue=QString()) const;
00261 
00272         QString attributeNS(const QString& nsURI, const QString& localName,
00273                             const QString& defValue=QString()) const;
00274 
00275 
00282         bool hasAttribute(const QString& name) const;
00283 
00291         bool hasAttributeNS(const QString& nsURI, const QString& localName) const;
00292 
00293     private:
00294 
00295         class ElementWrapperPrivate;
00296         boost::shared_ptr<ElementWrapperPrivate> d;
00297 };
00298 
00299 } // namespace Syndication
00300 
00301 #endif // SYNDICATION_ELEMENTWRAPPER_H
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