/******************************************************************/
/* This file is part of the homework assignments for CSCI-427/527 */
/* at The College of William & Mary and authored by Pieter Peers. */
/* No part of this file, whether altered or in original form, can */
/* be distributed or used outside the context of CSCI-427/527     */
/* without consent of either the College of William & Mary or     */
/* Pieter Peers.                                                  */
/******************************************************************/
#ifndef _SCENEIO_XML_H_
#define _SCENEIO_XML_H_

#include <memory>
#include <string>
#include "tinyxml2.h"

class XMLNode {
 public:
  /////////////////
  // Constructor //
  /////////////////
  XMLNode(const std::string& filename);
  XMLNode(const tinyxml2::XMLElement* element, const std::shared_ptr<tinyxml2::XMLDocument>& xml);
  XMLNode(const XMLNode& node);

  /////////////
  // Methods //
  /////////////
  XMLNode firstChild(void) const;
  XMLNode findChild(const std::string& name) const;

  bool isValid(void) const;
  std::string name(void) const;
  std::string attribute(const std::string& attribute) const;

  ///////////////
  // Operators //
  ///////////////
  XMLNode& operator++(void);
  XMLNode& operator++(int);
  XMLNode& operator=(const XMLNode& src);

 protected:
  //////////////////
  // Data Members //
  //////////////////
  const tinyxml2::XMLElement* _element;
  std::shared_ptr<tinyxml2::XMLDocument> _xml;
};


#endif /* _SCENEIO_XML_H_ */