Esempio n. 1
0
        public InputRecognizer(string text, string ruleId, string inputId, string condition, Dictionary <string, Synonym> synonyms, List <InputReplacement> alInputReplacements)
        {
            this.inputReplacements = alInputReplacements;

            System.Text.RegularExpressions.Regex regexVarsEq = new Regex(@"\[.+?=.+?\]");
            System.Text.RegularExpressions.Regex regexVars   = new Regex(@"\[.*?\]");
            System.Text.RegularExpressions.Regex regexSyns   = new Regex(@"\(.*?\)");
            string textReplaced = regexVarsEq.Replace(text, "xx");

            textReplaced = regexVars.Replace(textReplaced, "x");
            textReplaced = regexSyns.Replace(textReplaced, "x");
            textReplaced = textReplaced.Replace("*", "");
            this.length  = textReplaced.Length;

            text = TextToolbox.ReplaceSynonyms(text, synonyms);
            //do this last because replacements haven't been applied to synonyms
            text = TextToolbox.ReplaceOnInput(text, alInputReplacements, out this.bIsCapture);

            string pattern = TextToolbox.TextToPattern(text);

            this.regex = new Regex(pattern, /*RegexOptions.Compiled | */ RegexOptions.ExplicitCapture | RegexOptions.IgnoreCase);           //TODO: Does the IgnoreCase Work?

            //regex.IsMatch("x");
            this.ruleId    = ruleId;
            this.inputId   = inputId;
            this.condition = condition;

            if (InputRecognizer.random == null)
            {
                InputRecognizer.random = new Random();
            }
        }
Esempio n. 2
0
        }//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)