xml_reference.h

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#ifndef __XML_REFERENCE_H
#define __XML_REFERENCE_H

#include "mimasconfig.h"

#ifdef HAVE_XALAN

#include <cassert>
#include <string>
#include <XalanDOM/XalanNode.hpp>
#include <util/XMLException.hpp>
#include "mimasexception.h"
#include "object.h"

#ifdef XERCES_HAS_CPP_NAMESPACE
using namespace XERCES_CPP_NAMESPACE;
#endif
#ifdef XALAN_HAS_CPP_NAMESPACE
using namespace XALAN_CPP_NAMESPACE;
#endif

namespace mimas {

class xml_document;
class xml_node_reference_list;

template< class T >
class xml_reference: public object
{
 public:
  xml_reference( T *_node, xml_document *_document );
  xml_reference( const xml_reference< T > &r );
  xml_reference< T > &operator=( const xml_reference< T > &r );
  T &operator*(void) const { assert( node != NULL ); return *node; }
  T *operator->(void) const { assert( node != NULL ); return node; }
  T *get(void) const { return node; }
  operator bool(void) const { return node != NULL; }
  bool operator! () const { return node == NULL; }
  std::string getNodeText(void) const throw (mimasexception,XMLException);
  xml_reference< XalanNode > selectNode( const char *xPath ) const
    throw (mimasexception,XMLException);
  xml_node_reference_list selectNodes( const char *xPath ) const
    throw (mimasexception,XMLException);
  bool existNode( const char *xPath ) const throw (XMLException);
  xml_document *getDocument(void) const { return document; }
 protected:
  T *node;
  xml_document *document;
};

template<class T, class U>
xml_reference<T> dynamic_pointer_cast( xml_reference<U> const & r )
{
  return xml_reference<T>( (T *)r.get(), r.getDocument() );
}


};

#include "xml_reference.tcc"

#endif

#endif

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