ListImpl.h

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/* --------------------------------------------------------------------------
 
   libmusicbrainz5 - Client library to access MusicBrainz
 
   Copyright (C) 2012 Andrew Hawkins
 
   This file is part of libmusicbrainz5.
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Lesser General Public
   License as published by the Free Software Foundation; either
   version 2.1 of the License, or (at your option) any later version.
 
   libmusicbrainz5 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
   Lesser General Public License for more details.
 
   You should have received a copy of the GNU General Public License
   along with this library.  If not, see <http://www.gnu.org/licenses/>.
 
     $Id$
 
----------------------------------------------------------------------------*/
 
#ifndef _MUSICBRAINZ5_LIST_IMPL_H
#define _MUSICBRAINZ5_LIST_IMPL_H
 
#include "musicbrainz5/List.h"
 
namespace MusicBrainz5
{
    template <class T>
    class CListImpl: public CList
    {
    public:
        CListImpl(const XMLNode& Node=XMLNode::emptyNode())
        :   CList()
        {
            if (!Node.isEmpty())
            {
                //std::cout << T::GetElementName() << " List node: " << std::endl << Node.createXMLString(true) << std::endl;
 
                Parse(Node);
            }
        }
 
        CListImpl(const CListImpl<T>& Other)
        :   CList()
        {
            *this=Other;
        }
 
        MusicBrainz5::CListImpl<T>& operator =(const CListImpl<T>& Other)
        {
            if (this!=&Other)
            {
                CList::operator =(Other);
            }
 
            return *this;
        }
 
        virtual ~CListImpl()
        {
        }
 
        CListImpl<T> *Clone()
        {
            return new CListImpl<T>(*this);
        }
 
        virtual std::ostream& Serialise(std::ostream& os) const
        {
            os << T::GetElementName() << " List (impl):" << std::endl;
 
            CList::Serialise(os);
 
            for (int count=0;count<NumItems();count++)
            {
                T *ThisItem=Item(count);
 
                os << *ThisItem << std::endl;
            }
 
            return os;
        }
 
        static std::string GetElementName()
        {
            return "";
        }
 
        T *Item(int Item) const
        {
            return dynamic_cast<T *>(CList::Item(Item));
        }
 
        void AddItem(T *Item)
        {
            CList::AddItem(Item);
        }
 
    protected:
        void ParseElement(const XMLNode& Node)
        {
            std::string NodeName=Node.getName();
 
            if (T::GetElementName()==NodeName)
            {
                T *Item=0;
 
                ProcessItem(Node,Item);
                AddItem(Item);
            }
            else
                CList::ParseElement(Node);
        }
    };
}
 
#endif