private void Engine_SpeechRecognized(object sender, SpeechRecognizedEventArgs e)
{
// Handle special Action Start.
if (string.Equals(e.Result.Text, InitiateCommandsPhrase, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Acknowledged...");
ComputerFeedbackPlayer.PlayComputerInit();
CommandInitiated = true;
}
// Handle special action Cancel Override.
else if (string.Equals(e.Result.Text, CancelProgramCommand, StringComparison.OrdinalIgnoreCase))
{
Console.WriteLine("Program Quit Detected.");
speechCancellationTokenSource.Cancel();
}
else
{
if (!CommandInitiated)
{
// Ignore matching commands if Commands are not initiated by start command.
return;
}
var semantics = e.Result.Semantics;
if (!semantics.ContainsKey(CommandSubjectSemanticKey))
{
Console.WriteLine("Grammar recognized but no subject was found on which to take an action.");
//throw new Exception("Grammar recognized but no subject was found on which to take an action.");
}
var subject = e.Result.Semantics[CommandSubjectSemanticKey];
// TODO this should be configured not hardcoded for when there are more than just light actions.
if (Equals(subject.Value, LightActionSpec.LightSubjectSemanticValue))
{
ComputerFeedbackPlayer.PlayComputerAck();
if (!semantics.ContainsKey(LightIdentifierSemanticKey) || !semantics.ContainsKey(LightActionSemanticKey))
{
Console.WriteLine("A command with the light subject must contain a light identifier and action semantic.");
//throw new Exception("A command with the light subject must contain a light identifier and action semantic.");
}
// TODO consider also making this configured by the action spec itself. Something like expected Semantic Keys.
var identifier = e.Result.Semantics[LightIdentifierSemanticKey];
var action = e.Result.Semantics[LightActionSemanticKey];
LightActionSpec.ExecuteAction((string)action.Value, (string)identifier.Value);
Console.WriteLine("Grammer match: {0}", e.Result.Text);
Console.WriteLine("subject:{0}, action:{1}, identifier:{2}", subject.Value, action.Value, identifier.Value);
Console.WriteLine("With Confidence {0}", e.Result.Confidence);
}
else
{
Console.WriteLine("Subject value {0} was found but can not be bound to an action", subject.Value);
//throw new Exception(string.Format("Subject value {0} was found but can not be bound to an action", subject.Value));
}
}
// Do not share a variable with the above code, this is to protect against long processing times.
SetNewSpeechTime(DateTime.UtcNow);
}