public override string ProcessChange()
{
if (Template.Name.ToLower() == "sr")
{
XmlNode starNode = GetNode("<star/>");
Star recursiveStar = new Star(Query, Request, starNode);
string starContent = recursiveStar.ProcessChange();
XmlNode sraiNode = GetNode("<srai>" + starContent + "</srai>");
Srai sraiHandler = new Srai(ChatBot, User, Request, sraiNode);
return sraiHandler.ProcessChange();
}
return string.Empty;
}
public void TestSRAIWithValidInput()
{
var testNode = StaticHelpers.GetNode("<srai>sraisucceeded</srai>");
_tagHandler = new Srai(_chatBot, _user, _request, testNode);
Assert.AreEqual("Test passed.", _tagHandler.ProcessChange());
}
public void TestSRAIRecursion()
{
var testNode = StaticHelpers.GetNode("<srai>srainested</srai>");
_tagHandler = new Srai(_chatBot, _user, _request, testNode);
Assert.AreEqual("Test passed.", _tagHandler.ProcessChange());
}
public void TestSRAIEmpty()
{
var testNode = StaticHelpers.GetNode("<srai/>");
_tagHandler = new Srai(_chatBot, _user, _request, testNode);
Assert.AreEqual("", _tagHandler.ProcessChange());
}
/// <summary>
/// Recursively evaluates the template nodes returned from the ChatBot
/// </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="user">the user who originated the request</param>
/// <returns>the output string</returns>
private string ProcessNode(XmlNode node, SubQuery query, Request request, User user)
{
// process the node
var tagName = node.Name.ToLower();
if (tagName == "template")
{
var templateResult = new StringBuilder();
if (node.HasChildNodes)
{
// recursively check
foreach (XmlNode childNode in node.ChildNodes)
{
templateResult.Append(ProcessNode(childNode, query, request, user));
}
}
return templateResult.ToString();
}
AIMLTagHandler tagHandler = null;
switch (tagName)
{
case "bot":
tagHandler = new Bot(node);
break;
case "condition":
tagHandler = new Condition(user, node);
break;
case "date":
tagHandler = new Date(node);
break;
case "formal":
tagHandler = new Formal(node);
break;
case "gender":
tagHandler = new AIMLTagHandlers.Gender(query, request, node);
break;
case "get":
tagHandler = new Get(user, node);
break;
case "gossip":
tagHandler = new Gossip(user, node);
break;
case "id":
tagHandler = new Id(user, node);
break;
case "input":
tagHandler = new Input(user, request, node);
break;
case "javascript":
tagHandler = new Javascript(node);
break;
case "learn":
tagHandler = new Learn(node);
break;
case "lowercase":
tagHandler = new Lowercase(node);
break;
case "person":
tagHandler = new Person(query, request, node);
break;
case "person2":
tagHandler = new Person2(query, request, node);
break;
case "random":
tagHandler = new Random(node);
break;
case "sentence":
tagHandler = new Sentence(query, request, node);
break;
case "set":
tagHandler = new Set(user, node);
break;
case "size":
tagHandler = new Size(node);
break;
case "sr":
tagHandler = new Sr(this, user, query, request, node);
break;
case "srai":
tagHandler = new Srai(this, user, request, node);
break;
case "star":
tagHandler = new Star(query, request, node);
break;
case "system":
tagHandler = new SystemTag(node);
break;
case "that":
tagHandler = new That(user, request, node);
break;
case "thatstar":
tagHandler = new ThatStar(query, request, node);
break;
case "think":
tagHandler = new Think(node);
break;
case "topicstar":
tagHandler = new Topicstar(query, request, node);
break;
case "uppercase":
tagHandler = new Uppercase(node);
break;
case "version":
tagHandler = new Version(node);
break;
default:
Log.ErrorFormat("Unknown AIML tag: {0}", tagName);
break;
}
if (Equals(null, tagHandler))
{
return node.InnerText;
}
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, user);
}
}
}
return tagHandler.ProcessChange();
}
var resultNodeInnerXML = tagHandler.ProcessChange();
var resultNode = AIMLTagHandler.GetNode("<node>" + resultNodeInnerXML + "</node>");
if (resultNode.HasChildNodes)
{
var recursiveResult = new StringBuilder();
// recursively check
foreach (XmlNode childNode in resultNode.ChildNodes)
{
recursiveResult.Append(ProcessNode(childNode, query, request, user));
}
return recursiveResult.ToString();
}
return resultNode.InnerXml;
}