/// <summary>
/// From
/// </summary>
/// <param name="xDerivation"></param>
/// <returns></returns>
public static Derivation From(XElement xDerivation)
{
if (xDerivation == null)
{
return(null);
}
if (xDerivation.Name != strDerivation)
{
return(null);
}
var result = new Derivation();
result.Left = ProductionNode.From(xDerivation.Element(strLeft));
result.Right = ProductionNodeList.From(xDerivation.Element(strRight));
return(result);
}
/// <summary>
/// From
/// </summary>
/// <param name="xContextfreeProduction"></param>
/// <returns></returns>
public static ContextfreeProduction From(XElement xContextfreeProduction)
{
if (xContextfreeProduction == null)
{
return(null);
}
if (xContextfreeProduction.Name != strContextfreeProduction)
{
return(null);
}
var result = new ContextfreeProduction();
result.Left = ProductionNode.From(xContextfreeProduction.Element(ProductionNode.strProductionNode));
result.RightCollection = RightSection.From(xContextfreeProduction.Element(RightSection.strRightSection));
return(result);
}