}//replaceSynonyms(string input, Dictionary<string, Synonym> synonymGroups)
public static string ReplaceVars(string text, Hashtable vars)
{
int start = text.IndexOf("[");
int end;
while (start != -1)
{
if (!TextToolbox.IsEscaped(text, start))
{
end = TextToolbox.FindNextMatchingChar(text, start);
if (end != -1)
{
string varName = TextToolbox.ReplaceVars(text.Substring(start + 1, end - start - 1), vars);
string varDefaultValue = "";
if (varName.IndexOf(':') != -1)
{
varDefaultValue = varName.Substring(varName.IndexOf(':') + 1).Trim();
varName = varName.Substring(0, varName.IndexOf(':')).Trim();
}
varName = varName.Replace(" ", "_");
string varValue = (string)vars[varName.ToLower()];
if (varValue == null)
{
varValue = varDefaultValue;
}
if (end == text.Length - 1) //var runs to the end
{
text = text.Substring(0, start) + varValue;
start = -1;
}
else
{
text = text.Substring(0, start) + varValue + text.Substring(end + 1);
start = text.IndexOf("[", start + varValue.Length);
}
}
else //there's an error with this input, it won't compile
{
//TODO: log an error somewhere?
return("");
}
}
else // [ is escaped
{
//remove the '\'
text = text.Remove(start - 1, 1);
//find the next start
if (start >= text.Length - 1) //the old start is now at the end
{
start = -1;
}
else
{
start = text.IndexOf("[", start);
}
}
} //while we have more [vars]
string embCmd = "<mem.get ";
start = text.IndexOf(embCmd);
while (start != -1)
{
if (!TextToolbox.IsEscaped(text, start))
{
end = TextToolbox.FindNextMatchingChar(text, start);
if (end != -1)
{
string name = text.Substring(start + embCmd.Length, end - start - embCmd.Length);
string left = "";
if (start > 0)
{
left = text.Substring(0, start);
}
string right = "";
if (end + 1 != text.Length)
{
right = text.Substring(end + 1);
}
text = left + vars[name.ToLower()] + right;
}
start = text.IndexOf(embCmd);
}
else // < is escaped
{
//remove the '\'
text = text.Remove(start - 1, 1);
//find the next start
if (start >= text.Length - 1) //the old start is now at the end
{
start = -1;
}
else
{
start = text.IndexOf(embCmd, start);
}
}
} //while we have more <mem.get name>s
embCmd = "<mem.set ";
start = text.IndexOf(embCmd);
while (start != -1)
{
if (!TextToolbox.IsEscaped(text, start))
{
end = TextToolbox.FindNextMatchingChar(text, start);
if (end != -1)
{
string nameValue = text.Substring(start + embCmd.Length, end - start - embCmd.Length);
string left = "";
string right = "";
string[] cmdArgs = TextToolbox.splitOnFirstUnquotedSpace(nameValue);
if (cmdArgs.Length > 1)
{
string name = cmdArgs[0];
//remove quotes if they are there
if (name.Length > 1 && name[0] == '"')
{
name = name.Substring(1);
}
if (name.Length > 2 && name[name.Length - 1] == '"')
{
name = name.Substring(0, name.Length - 1);
}
string val = cmdArgs[1];
vars[name.ToLower()] = val;
}
if (start > 0)
{
left = text.Substring(0, start);
}
if (end + 1 != text.Length)
{
right = text.Substring(end + 1);
}
text = left + right;
}
start = text.IndexOf(embCmd);
}
else // < is escaped
{
//remove the '\'
text = text.Remove(start - 1, 1);
//find the next start
if (start >= text.Length - 1) //the old start is now at the end
{
start = -1;
}
else
{
start = text.IndexOf(embCmd, start);
}
}
} //while we have more <mem.set name>s
embCmd = "<mem.del ";
start = text.IndexOf(embCmd);
while (start != -1)
{
if (!TextToolbox.IsEscaped(text, start))
{
end = TextToolbox.FindNextMatchingChar(text, start);
if (end != -1)
{
string name = text.Substring(start + embCmd.Length, end - start - embCmd.Length);
vars.Remove(name.Trim().ToLower());
string left = "";
string right = "";
if (start > 0)
{
left = text.Substring(0, start);
}
if (end + 1 != text.Length)
{
right = text.Substring(end + 1);
}
text = left + right;
}
start = text.IndexOf(embCmd);
}
else // < is escaped
{
//remove the '\'
text = text.Remove(start - 1, 1);
//find the next start
if (start >= text.Length - 1) //the old start is now at the end
{
start = -1;
}
else
{
start = text.IndexOf(embCmd, start);
}
}
} //while we have more <mem.set name>s
return(text);
} //ReplaceVars(string text, Hashtable vars)
}//compileRules(string parentId, List<Rule> rules)
public Reply GetReply(string input, string lastfired, Hashtable vars, string prependOutput)
{
List <Match> matches = new List <Match>();
//do replacements, strip áccents is done in ReplaceOnInput if there are no input replacements
string inputReplaced = TextToolbox.ReplaceOnInput(input, this.inputReplacements);
//search the children and virtual children (links) of lastfired rule
if (this.inputs.ContainsKey(lastfired))
{
foreach (InputRecognizer ir in this.inputs[lastfired])
{
//if the input recognizer is a capture, use the original input
Match match = ir.Matches((ir.IsCapture ? input : inputReplaced), vars, this.csToolbox);
if (match.ConfidenceFactor != 0.0)
{
//copy shortTermMemory vars to inputVars
Hashtable inputVars = new Hashtable();
foreach (object key in vars.Keys)
{
inputVars[key] = vars[key];
}
//captures the variables and adds them to the inputVars object
ir.CaptureVars(input, inputVars);
matches.Add(match);
}
}
}
if (matches.Count == 0 && this.inputs.ContainsKey("_root"))
{
//search all of the primaries
foreach (InputRecognizer ir in this.inputs["_root"])
{
//if the input recognizer is a capture, use the original input
Match match = ir.Matches((ir.IsCapture ? input : inputReplaced), vars, this.csToolbox);
if (match.ConfidenceFactor != 0.0)
{
//copy shortTermMemory vars to inputVars
Hashtable inputVars = new Hashtable();
foreach (object key in vars.Keys)
{
inputVars[key] = vars[key];
}
//captures the variables and adds them to the inputVars object
ir.CaptureVars(input, inputVars);
matches.Add(match);
}
}
}
if (matches.Count == 0)
{
return(null);
}
matches.Sort();
Match matchBest = (Match)matches[0];
//use the matching vars, but maintain the original object so that it persists
vars.Clone();
foreach (object key in matchBest.Vars.Keys)
{
vars[key] = matchBest.Vars[key];
}
//increment the usage count on the chosed InputRecognizer
matchBest.InputRecognizer.IncUsageCount();
string ruleId = matchBest.InputRecognizer.RuleId;
if (!this.outputs.ContainsKey(ruleId) || this.outputs[ruleId].Count == 0)
{
Reply noOutputFoundReply = new Reply("Rule contains no outputs.", "", "", ruleId, 0, this.knowledgeBaseItem);
if (this.csToolbox.StandardNoOutputFoundDefined)
{
string noOutputFoundText = this.csToolbox.ExecuteOnNoOutputFound(vars, noOutputFoundReply);
noOutputFoundReply.Text += this.DoTextReplacements(noOutputFoundText);
noOutputFoundReply.AgentText += this.DoAgentTextReplacements(noOutputFoundText);
}
return(noOutputFoundReply);
}
List <Output> alOutputs = new List <Output>();
if (this.outputs.ContainsKey(ruleId))
{
alOutputs = new List <Output>(this.outputs[ruleId]);
}
bool trueNonEmptyOutputConditionFound = false;
//filter out outputs with false conditions
for (int i = 0; i < alOutputs.Count; i++)
{
Output o = (Output)alOutputs[i];
if (!this.csToolbox.ExecuteCondition(o.Id, vars))
{
alOutputs.RemoveAt(i);
i--;
}
else if (o.Condition != null && o.Condition != "")
{
trueNonEmptyOutputConditionFound = true;
}
}
if (alOutputs.Count == 0)//all outputs were removed
{
Reply noOutputFoundReply = new Reply("No true output found.", "", "", ruleId, 0, this.knowledgeBaseItem);
if (this.csToolbox.StandardNoOutputFoundDefined)
{
string noOutputFoundText = this.csToolbox.ExecuteOnNoOutputFound(vars, noOutputFoundReply);
noOutputFoundReply.Text += this.DoTextReplacements(noOutputFoundText);
noOutputFoundReply.AgentText += this.DoAgentTextReplacements(noOutputFoundText);
}
return(noOutputFoundReply);
}
//filter out outputs with no conditions if there is an output which has a true condition
if (trueNonEmptyOutputConditionFound)
{
for (int i = 0; i < alOutputs.Count; i++)
{
Output o = (Output)alOutputs[i];
if (o.Condition == null || o.Condition == "")
{
alOutputs.RemoveAt(i);
i--;
}
}
}
//choose an output at random
Output outputChosen = null;
for (int i = 0; i < alOutputs.Count; i++) //the try again loop
{
outputChosen = ((Output)alOutputs[random.Next(alOutputs.Count)]);
if (!this.recentOutputsByRule.ContainsKey(ruleId) || !this.recentOutputsByRule[ruleId].Contains(outputChosen.Id))
{
break;
}
}
//update the recent list for this rule
if (alOutputs.Count > 1)
{
if (!this.recentOutputsByRule.ContainsKey(ruleId))
{
this.recentOutputsByRule[ruleId] = new List <string>(alOutputs.Count - 1);
}
List <string> recent = this.recentOutputsByRule[ruleId];
int index = recent.IndexOf(outputChosen.Id);
if (index != -1)
{
recent.RemoveAt(index);
}
else if (recent.Count == alOutputs.Count - 1)
{
recent.RemoveAt(0);
}
recent.Add(outputChosen.Id);
}
//replace vars and output synonyms
string outputChosenText = prependOutput + outputChosen.Text;
if (this.csToolbox.OutputExists(outputChosen.Id))
{
outputChosenText = this.csToolbox.ExecuteOutput(outputChosen.Id, vars);
}
outputChosenText = TextToolbox.ReplaceVars(outputChosenText, vars);
outputChosenText = TextToolbox.ReplaceOutputSynonyms(outputChosenText, this.synonyms);
//execute c# code in the command field
string outputChosenCmd = outputChosen.Cmd;
if (this.csToolbox.OutputExists(outputChosen.Id + "_cmd"))
{
outputChosenCmd = this.csToolbox.ExecuteOutput(outputChosen.Id + "_cmd", vars);
}
string outputText = this.DoTextReplacements(outputChosenText);
string agentText = this.DoAgentTextReplacements(outputChosenText);
string outputCmd = TextToolbox.ReplaceVars(outputChosenCmd, vars);
return(new Reply(outputText, agentText, outputCmd, matchBest.InputRecognizer.RuleId, matchBest.ConfidenceFactor, this.knowledgeBaseItem));
} //GetReply(string input, string lastfired)