private XElement ExecuteInnerFunctions(FunctionContextContainer contextContainer)
{
XElement resultRoot = new XElement(_element);
int loopCount = 0;
while (true)
{
XName functionXName = Namespaces.Function10 + FunctionTreeConfigurationNames.FunctionTagName;
IEnumerable <XElement> nestedFunctionCalls = resultRoot.Descendants(functionXName).Where(f => !f.Ancestors(functionXName).Any());
var evaluatedListOfInnerFunctions = nestedFunctionCalls.ToList();
if (!evaluatedListOfInnerFunctions.Any())
{
break;
}
if (loopCount++ > 1000)
{
throw new InvalidOperationException("One or more function seems to be returning markup generating endless recursion. The following markup seems to generate the problem: " + evaluatedListOfInnerFunctions.First().ToString());
}
var functionCallResults = new object[evaluatedListOfInnerFunctions.Count];
for (int i = 0; i < evaluatedListOfInnerFunctions.Count; i++)
{
XElement functionCallDefinition = evaluatedListOfInnerFunctions[i];
BaseRuntimeTreeNode runtimeTreeNode = FunctionTreeBuilder.Build(functionCallDefinition);
functionCallResults[i] = runtimeTreeNode.GetValue(contextContainer);
}
;
for (int i = 0; i < evaluatedListOfInnerFunctions.Count; i++)
{
object embedableResult = contextContainer.MakeXEmbedable(functionCallResults[i]);
if (embedableResult is XAttribute)
{
evaluatedListOfInnerFunctions[i].Parent.Add(embedableResult);
evaluatedListOfInnerFunctions[i].Remove();
}
else
{
evaluatedListOfInnerFunctions[i].ReplaceWith(embedableResult);
}
}
}
return(resultRoot);
}
private void Initialize()
{
if (_functionFunctionRuntimeNode == null)
{
lock (_lock)
{
if (_functionFunctionRuntimeNode == null)
{
if (_serializedFunction == null)
{
IFunction function = FunctionFacade.GetFunction(_functionName);
_functionFunctionRuntimeNode = new FunctionRuntimeTreeNode(function, _parameters);
}
else
{
_functionFunctionRuntimeNode = (FunctionRuntimeTreeNode)FunctionTreeBuilder.Build(_serializedFunction);
}
}
}
}
}
/// <exclude />
public static BaseRuntimeTreeNode BuildTree(XElement element)
{
return(FunctionTreeBuilder.Build(element));
}