public override string GetValue(XmlElement element, Context context)
{
if(element != null)
{
if (element.HasAttribute(Name, string.Empty))
{
return element.GetAttribute(Name);
}
else if (element.HasAttribute(Name, ResourceManager.VariableNamespace))
{
IValueNode value = (IValueNode)context.GetVariable(element.GetAttribute(Name, ResourceManager.VariableNamespace));
value.InitNewState(context);
return value.Value;
}
else
{
XmlElement valueNode = element[element.Name + "." + Name];
if (valueNode != null)
{
IValueNode value = (IValueNode)SequenceFactory.Instance.CreateChildrenAsSequence(valueNode, context);
value.InitNewState(context);
return value.Value;
}
}
}
return null;
}
private static Func<ISequenceNode> BuildVariableCreator(ParseTreeNode node, Context context)
{
ParseTreeNode nameNode = FindNode(node, SpeechExpression.NameLiteralName);
string varName = nameNode.Token.Text;
return () =>
{
return context.GetVariable(varName);
};
}