berryXMLMemento.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/


#ifndef BERRYXMLMEMENTO_H_
#define BERRYXMLMEMENTO_H_

#include <berryMacros.h>
#include "berryIMemento.h"
#include "berryUIException.h"

#include "Poco/DOM/Document.h"
#include "Poco/DOM/Element.h"
#include "Poco/SAX/XMLReader.h"


namespace berry {

class BERRY_UI_QT XMLMemento : public IMemento
{

  public:
    berryObjectMacro(XMLMemento);

    typedef std::ostream XMLByteOutputStream;

    typedef std::istream XMLByteInputStream;

    XMLMemento(Poco::XML::Document* document, Poco::XML::Element* elem);

    ~XMLMemento() override;

    static XMLMemento::Pointer CreateReadRoot(berry::XMLMemento::XMLByteInputStream& reader);

    static XMLMemento::Pointer CreateReadRoot(berry::XMLMemento::XMLByteInputStream& reader, const QString& baseDir);

    static XMLMemento::Pointer CreateWriteRoot(const QString& type);

    IMemento::Pointer CopyChild(IMemento::Pointer child);

    IMemento::Pointer CreateChild(const QString& type) override;

    IMemento::Pointer CreateChild(const QString& type, const QString& id) override;

    IMemento::Pointer GetChild(const QString& type) const override;

    QList< IMemento::Pointer > GetChildren(const QString& type) const override;

    QString GetType() const override;

    QString GetID() const override;

    bool GetInteger(const QString& key, int& value) const override;

    bool GetFloat(const QString& key, double& value) const override;

    bool GetString(const QString& key, QString& value) const override;

    bool GetBoolean(const QString& key, bool& value) const override;

    QString GetTextData() const override;

    QList< QString > GetAttributeKeys() const override;

    void PutFloat(const QString& key, double value) override;

    void PutInteger(const QString& key, int value) override;

    void PutMemento(IMemento::Pointer memento) override;

    void PutString(const QString& key, const QString& value) override;

    void PutBoolean(const QString& key, bool value) override;

    void PutTextData(const QString& data) override;

    void Save(XMLByteOutputStream& writer); //TODO: throw(IOException)

    virtual Poco::XML::Element* GetElement() const;

private:

    Poco::XML::Text* GetTextNode() const;

    void PutElement(Poco::XML::Element* element, bool copyText);

    Poco::XML::Document* factory;
    Poco::XML::Element* element;

};
}//namespace berry
#endif /* BERRYXMLMEMENTO_H_ */