NodeList.h

/*
 * #%L
 * OME-XERCES C++ library for working with Xerces C++.
 * %%
 * Copyright © 2006 - 2016 Open Microscopy Environment:
 *   - Massachusetts Institute of Technology
 *   - National Institutes of Health
 *   - University of Dundee
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 *   - Glencoe Software, Inc.
 * %%
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 * modification, are permitted provided that the following conditions are met:
 *
 * 1. Redistributions of source code must retain the above copyright notice,
 *    this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright notice,
 *    this list of conditions and the following disclaimer in the documentation
 *    and/or other materials provided with the distribution.
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 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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#ifndef OME_COMMON_XML_DOM_NODELIST_H
#define OME_COMMON_XML_DOM_NODELIST_H

#include <ome/common/config.h>

#include <cassert>

#include <ome/common/xml/dom/Base.h>
#include <ome/common/xml/dom/Wrapper.h>

#include <xercesc/dom/DOMNodeList.hpp>

namespace ome
{
  namespace common
  {
    namespace xml
    {
      namespace dom
      {

        class Node;

        class NodeList : public Wrapper<xercesc::DOMNodeList, Base<xercesc::DOMNodeList> >
        {
        public:
          typedef XMLSize_t size_type;

          class iterator
          {
          private:
            iterator();

            iterator(xercesc::DOMNodeList *xmlnodelist,
                     size_type             index);

          public:
            iterator(const iterator& rhs);

            ~iterator();

            Node&
            operator* () noexcept;

            Node *
            operator-> () noexcept;

            iterator&
            operator-- ();

            iterator&
            operator++ ();

            bool
            operator == (const iterator& rhs) const noexcept;

            bool
            operator != (const iterator& rhs) const noexcept
            {
              return !(*this == rhs);
            }

            friend class NodeList;

          private:
            size_type index;
            xercesc::DOMNodeList *xmlnodelist;
            ome::compat::shared_ptr<Node> xmlnode;
          };

          NodeList ():
            Wrapper<xercesc::DOMNodeList, Base<xercesc::DOMNodeList> >()
          {
          }

          NodeList (const NodeList& nodelist):
            Wrapper<xercesc::DOMNodeList, Base<xercesc::DOMNodeList> >(nodelist)
          {
          }

          NodeList (xercesc::DOMNodeList *nodelist):
            Wrapper<xercesc::DOMNodeList, Base<xercesc::DOMNodeList> >(static_cast<base_element_type *>(nodelist))
          {
          }

          ~NodeList ()
          {
          }

          size_type
          size() const
          {
            size_type ret = 0;

            if (this->get())
              return (*this)->getLength();

            return ret;
          }

          bool
          empty() const
          {
            return size() == 0;
          }

          iterator
          begin()
          {
            return iterator(this->get(), 0);
          }

          iterator
          end()
          {
            return iterator();
          }

          Node
          at(size_type index);
        };

      }
    }
  }
}

#endif // OME_COMMON_XML_DOM_NODELIST_H

/*
 * Local Variables:
 * mode:C++
 * End:
 */