/// <summary>
/// Recursively evaluates the template nodes returned from the Proccessor
/// </summary>
/// <param name="node">the node to evaluate</param>
/// <param name="query">the query that produced targetBot node</param>
/// <param name="request">the request from the user</param>
/// <param name="result">the result to be sent to the user</param>
/// <param name="user">the user who originated the request</param>
/// <returns>the output Unifiable</returns>
public string processNodeVV(XmlNode node, SubQuery query,
Request request, Result result, User user,
AIMLTagHandler parentHandlerU, bool protectChild, bool copyParent,
AIMLTagHandler tagHandlerU, out bool childSuccess)
{
AltBot TargetBot = tagHandlerU.bot;
if (request != null)
{
TargetBot = request.TargetBot;
}
childSuccess = true;
if (node == null)
{
string whyError = "ERROR null NODE " + tagHandlerU;
writeToLog(whyError);
throw new ChatSignalOverBudget(request, whyError);
}
if (node.NodeType == XmlNodeType.Text)
{
childSuccess = true;
if (tagHandlerU != null)
{
tagHandlerU.QueryHasSuceeded = true;
}
string s = StaticAIMLUtils.Trim(StaticAIMLUtils.TextNodeValue(node));
if (!String.IsNullOrEmpty(s))
{
return(StaticAIMLUtils.ValueText(s));
}
//return s;
}
if (tagHandlerU == null)
{
string whyError = "ERROR null THND " + node;
childSuccess = false;
writeToLog(whyError);
}
bool isTraced = (request != null && (request.IsTraced || !request.GraphsAcceptingUserInput)) ||
(query != null && query.IsTraced);
// check for timeout (to avoid infinite loops)
bool overBudget = false;
if (request != null && request.IsComplete(result))
{
object gn = request.Graph;
if (query != null)
{
gn = query.Graph;
}
string s = StaticAIMLUtils.SafeFormat("WARNING! Request " + request.WhyComplete +
". User: {0} raw input: {3} \"{1}\" processing {2} templates: \"{4}\"",
request.Requester.UserID, Unifiable.DescribeUnifiable(request.rawInput),
(query == null ? "-NOQUERY-" : query.Templates.Count.ToString()), gn, node);
if (isTraced)
{
request.writeToLog(s);
}
overBudget = true;
if (!request.IsToplevelRequest)
{
throw new ChatSignalOverBudget(request, s);
}
}
// process the node
if (ReferenceEquals(null, tagHandlerU))
{
childSuccess = true;
if (node.NodeType == XmlNodeType.Comment)
{
return(Unifiable.Empty);
}
if (node.NodeType == XmlNodeType.Text)
{
string s = StaticAIMLUtils.Trim(StaticAIMLUtils.TextNodeValue(node));
if (String.IsNullOrEmpty(s))
{
return(Unifiable.Empty);
}
return(s);
}
// ReSharper disable ConditionIsAlwaysTrueOrFalse
OutputDelegate del = (request != null) ? request.writeToLog : writeToLog;
// ReSharper restore ConditionIsAlwaysTrueOrFalse
if (overBudget)
{
return(Unifiable.Empty);
}
string nodeInner = node.InnerXml;
TargetBot.EvalAiml(node, request, del ?? TextPatternUtils.DEVNULL);
return(node.InnerXml);
}
XmlNode oldNode = node;
bool wasReadonlyNode = oldNode.IsReadOnly;
// copy the node!?!
if (protectChild)
{
copyParent = true;
LineInfoElementImpl newnode = StaticAIMLUtils.CopyNode(node, copyParent);
newnode.ReadOnly = false;
node = newnode;
}
if (overBudget)
{
tagHandlerU.Dispose();
tagHandlerU = null;
childSuccess = true;
return(Unifiable.Empty);
}
tagHandlerU.SetParent(parentHandlerU);
//if (parent!=null) parent.AddChild(tagHandler);
Unifiable cp = tagHandlerU.Transform();
if (Unifiable.IsNullOrEmpty(cp) && (!tagHandlerU.QueryHasSuceeded || tagHandlerU.QueryHasFailed))
{
bool needsOneMoreTry = !request.SuspendSearchLimits &&
(request.IsToplevelRequest /*|| result.ParentRequest.IsToplevelRequest*/);
if (isTraced || needsOneMoreTry)
{
//writeDebugLine("ERROR: Try Again since NULL " + tagHandler);
bool wsl = request.SuspendSearchLimits;
try
{
request.SuspendSearchLimits = true;
cp = tagHandlerU.Transform();
if (Unifiable.IsNull(cp))
{
childSuccess = false;
return(tagHandlerU.GetTemplateNodeInnerText());
}
if (false && Unifiable.IsNullOrEmpty(cp))
{
// trace the next line to see why
AIMLTagHandler handlerU = tagHandlerU;
TargetBot.TraceTest("ERROR: Try Again since NULL " + handlerU,
() => { cp = handlerU.Transform(); });
}
}
finally
{
request.SuspendSearchLimits = wsl;
}
}
}
if (tagHandlerU.QueryHasFailed)
{
childSuccess = false;
return(tagHandlerU.FAIL);
}
childSuccess = !tagHandlerU.QueryHasFailed;
if (!childSuccess)
{
}
var st = StaticAIMLUtils.IsSilentTag(node);
var ine = Unifiable.IsNullOrEmpty(cp);
if (!ine || st)
{
childSuccess = true;
return(cp);
}
if (Unifiable.IsNull(cp))
{
cp = tagHandlerU.GetTemplateNodeInnerText();
if (tagHandlerU.QueryHasSuceeded)
{
childSuccess = true;
return(cp);
}
return(cp);
}
return(cp);
}
/// <summary>
/// Recursively evaluates the template nodes returned from the bot
/// </summary>
/// <param name="node">the node to evaluate</param>
/// <param name="query">the query that produced this node</param>
/// <param name="request">the request from the user</param>
/// <param name="result">the result to be sent to the user</param>
/// <param name="user">the user who originated the request</param>
/// <returns>the output string</returns>
private string ProcessNode(XmlNode node, SubQuery query, Request request, Result result, User user)
{
// check for timeout (to avoid infinite loops)
if (request.StartedOn.AddMilliseconds(_config.TimeOut) < DateTime.Now)
{
//_logger.LogWarning("Request timeout. User: "******" raw input: \"" + request.rawInput + "\" processing template: \""+query.Template+"\"");
request.HasTimedOut = true;
return(string.Empty);
}
// process the node
string tagName = node.Name.ToLower();
if (tagName == "template")
{
StringBuilder templateResult = new StringBuilder();
if (node.HasChildNodes)
{
// recursively check
foreach (XmlNode childNode in node.ChildNodes)
{
templateResult.Append(ProcessNode(childNode, query, request, result, user));
}
}
return(templateResult.ToString());
}
else
{
AIMLTagHandler tagHandler = _tagFactory.CreateTagHandler(tagName, this, user, query, request, result, node);
if (object.Equals(null, tagHandler))
{
return(node.InnerText);
}
else
{
if (tagHandler.isRecursive)
{
if (node.HasChildNodes)
{
// recursively check
foreach (XmlNode childNode in node.ChildNodes)
{
if (childNode.NodeType != XmlNodeType.Text)
{
childNode.InnerXml = ProcessNode(childNode, query, request, result, user);
}
}
}
return(tagHandler.Transform());
}
else
{
string resultNodeInnerXML = tagHandler.Transform();
XmlNode resultNode = AIMLTagHandler.GetNode("<node>" + resultNodeInnerXML + "</node>");
if (resultNode.HasChildNodes)
{
StringBuilder recursiveResult = new StringBuilder();
// recursively check
foreach (XmlNode childNode in resultNode.ChildNodes)
{
recursiveResult.Append(ProcessNode(childNode, query, request, result, user));
}
return(recursiveResult.ToString());
}
else
{
return(resultNode.InnerXml);
}
}
}
}
}
