choiceelement.h

/***************************************************************************
*   Copyright (C) 2014 by Okkel Klaver   *
*   info@vanhetland.nl   *
*                                                                         *
*   This program is free software; you can redistribute it and/or modify  *
*   it under the terms of the GNU General Public License as published by  *
*   the Free Software Foundation; either version 2 of the License, or     *
*   (at your option) any later version.                                   *
*                                                                         *
*   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; if not, write to the                         *
*   Free Software Foundation, Inc.,                                       *
*   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
***************************************************************************/

#ifndef SEPARATISTA_CHOICEELEMENT_H
#define SEPARATISTA_CHOICEELEMENT_H

#include "separatista/separatista.h"
#include "separatista/xerces_types.h"
#include "separatista/element.h"
#include "separatista/exception.h"
#include "separatista/debug/debug.h"
#include "separatista/elementdescriptor.h"

namespace Separatista
{
    class InvalidChoiceException : public Exception
    {
    public:
        InvalidChoiceException(const wchar_t *pMessage) : Exception(pMessage) { };

#ifdef SEPARATISTA_DEBUG
        InvalidChoiceException(const wchar_t *pMessage, const wchar_t *pPath, int line) : Exception(pMessage, pPath, line) { };
#endif
    };

    class ChoiceElement : public Element
    {
    public:
        ~ChoiceElement();
        
        void fromDOMDocument(xercesc::DOMElement *pDOMElement, const ErrorOptions errorOptions = ThrowExceptions);

        IOErrorCode toDOMDocument(xercesc::DOMDocument *pDOMDocument, xercesc::DOMElement *pDOMParent, const ErrorOptions errorOptions = ThrowExceptions) const;

        static Element* createElement(const ChildElementDescriptor *pChildElementDescriptor);

        Element* getElementByTag(const wchar_t *pTagName, size_t nIndex = 0) const;

        Element* createElementByTag(const wchar_t *pTagName, size_t nIndex = 0);

        void destroyElement(Element *pChildElement);

    protected:
        ChoiceElement(const ChildElementDescriptor *pChildElementDescriptor);

    private:
        Element *m_pChosenElement;
    };
}
#endif // SEPARATISTA_CHOICEELEMENT_H