#ifndef ATTRIBUTE_H

 #define ATTRIBUTE_H

 #include <QStringList>

 #include "xmlobj.h"

 class AttributeTable;

 /*! \brief A key and a value

 */

 class Attribute:public XMLObj {

 public:

 	Attribute();

 	void setKey (const QString &k);

 	QString getKey ();

 	void setValue (const QString &v);

 	QString getValue();

 	void setTable (AttributeTable *at);

 	AttributeTable* getTable();

 	QString getDataXML();

 protected:

 	QString key;

 	QString value;

 	AttributeTable *table;

 };

 /*! \brief A table containing a list of keys and each of these keys has

    a list of default values. The keys and the values for each key are

    unique.

 */

 class AttributeTable:public XMLObj{

 public:

 	AttributeTable();

 	~AttributeTable();

 	void clear();

 	void addKey (const QString &k);		//!< Adds a key to the table

 	void removeKey (const QString &k);	//!< Removes key and its default values

 	int countKeys();					//!< Return number of keys

 	void addValue (const QString &k, const QString &v);	//!< Adds key and value

 	QStringList getKeys ();

 	QStringList getValues(const QString &k);

 	QString getDataXML();

 protected:

 	QStringList keys;

 	QList <QStringList> values;

 };

 #endif