/// <summary>
/// Creates a mode with the specified name.
/// </summary>
/// <param name="name">The name of the mode to create.</param>
/// <returns>A new mode with the specified name.</returns>
public CommandRecognizerMode AddMode(string name)
{
CommandRecognizerMode mode = new CommandRecognizerMode(name, m_grammar, m_firstRuleId, m_firstRuleId + MaxRulesPerMode - 1);
m_modes.Add(mode);
m_firstRuleId += MaxRulesPerMode;
return mode;
}
void CommandExecuted(CommandRecognizerMode.CommandHandler handler)
{
RestorePreviousMode();
}
public void AddCommand(string commandPhrase, CommandRecognizerMode.CommandHandler handler)
{
if (m_nextRuleId > m_lastRuleId)
{
throw new Exception("Maximum number of rules exceeded for Command Recognizer Mode '" + Name + "'.");
}
List<CommandPart> parts = GetParts(commandPhrase);
int ruleId = m_nextRuleId;
++m_nextRuleId;
m_handlers[ruleId] = handler;
// Create a new rule in the grammar
ISpeechGrammarRule rule = m_grammar.Rules.Add("",
SpeechRuleAttributes.SRATopLevel,
ruleId);
// Add a state for each part of the phrase and connect them together with
// appropriate transitions
ISpeechGrammarRuleState from = rule.InitialState;
for (int i = 0; i < parts.Count; ++i)
{
CommandPart part = parts[i];
ISpeechGrammarRuleState state = null;
if (i != parts.Count - 1)
{
state = rule.AddState();
}
object propertyValue = 0;
if (part.isWordFromList)
{
// Add a transition through a list rule
ISpeechGrammarRule listRule = m_grammar.Rules.FindRule(part.phrase);
if (listRule == null)
{
listRule = m_grammar.Rules.Add(part.phrase, 0, 0);
propertyValue = "placeholder";
listRule.InitialState.AddWordTransition(null, "placeholder", " ", SpeechGrammarWordType.SGLexical, part.phrase, 0, ref propertyValue, 1);
propertyValue = 0;
}
from.AddRuleTransition(state, listRule, "", 0, ref propertyValue, 1);
}
else
{
// Add a simple rule transition
from.AddWordTransition(state, part.phrase, " ", SpeechGrammarWordType.SGLexical, "", 0, ref propertyValue, 1);
}
from = state;
}
}
internal void AddToCommandRecognizer()
{
m_commandRecognizerMode = Manager.Recognizer.AddMode(Name);
m_commandRecognizerMode.ActiveStateChanged += RaiseActiveStateChanged;
m_commandRecognizerMode.CommandExecuted += CommandExecuted;
m_commandRecognizerMode.CommandNotRecognized += CommandNotRecognized;
foreach (PersonalityCommand command in Commands)
{
CommandRecognizerMode.AddCommand(command.Phrase, command.Run);
}
}