private void ContinuousRecognitionSession_ResultGenerated()

in FamilyNotes/Speech/SpeechManager.cs [576:655]

• 58 lines of code
• 11 McCabe index (conditional complexity)

        private void ContinuousRecognitionSession_ResultGenerated(
            SpeechContinuousRecognitionSession sender,
            SpeechContinuousRecognitionResultGeneratedEventArgs args)
        {
            if (args.Result.Status != SpeechRecognitionResultStatus.Success)
            {
#if VERBOSE_DEBUG
                Debug.WriteLine( "SpeechManager: ResultGenerated: {0}", args.Result.Status );
#endif
                return;
            }

            // Unpack event arg data.
            bool hasConstraint = args.Result.Constraint != null;
            var confidence = args.Result.Confidence;
            string phrase = args.Result.Text;

            // The garbage rule doesn't have a tag associated with it, and 
            // the other rules return a string matching the tag provided
            // when the grammar was compiled.
            string tag = hasConstraint ? args.Result.Constraint.Tag : "unknown";
            if (tag == "unknown")
            {
#if VERBOSE_DEBUG
                Debug.WriteLine( "SpeechManager: ResultGenerated: garbage rule hit" );
#endif
                return;
            }
            else
            {
#if VERBOSE_DEBUG

                string msg = String.Format( "SpeechManager: ResultGenerated: {0}", phrase );
                Debug.WriteLine( msg );
#endif
            }

            if (hasConstraint && args.Result.Constraint.Type == SpeechRecognitionConstraintType.List)
            {
                // The List constraint type represents speech from 
                // a compiled grammar of commands.
                CommandVerb verb = GetPhraseIntent(phrase);

                // You may decide to use per-phrase confidence levels in order to 
                // tune the behavior of your grammar based on testing.
                if (confidence == SpeechRecognitionConfidence.Medium ||
                    confidence == SpeechRecognitionConfidence.High)
                {
                    Person person = null;
                    if (PhraseToPersonDictionary.ContainsKey(phrase))
                    {
                        person = PhraseToPersonDictionary[phrase];
                    }

                    // Raise the PhraseRecognized event. Clients with thread affinity, 
                    // like in a XAML-based UI, need to marshal the call to the 
                    // client's thread.
                    PhraseRecognizedEventArgs eventArgs = new PhraseRecognizedEventArgs(
                        person,
                        phrase,
                        verb,
                        args);
                    OnPhraseRecognized(eventArgs);
                }
            }
            else if (hasConstraint && args.Result.Constraint.Type == SpeechRecognitionConstraintType.Topic)
            {
                // The Topic constraint type represents speech from dictation.

                // Raise the PhraseRecognized event. Clients with thread affinity, 
                // like in a XAML-based UI, need to marshal the call to the 
                // client's thread.
                PhraseRecognizedEventArgs eventArgs = new PhraseRecognizedEventArgs(
                    null,
                    phrase,
                    CommandVerb.Dictation,
                    args);
                OnPhraseRecognized(eventArgs);
            }
        }