igor-lib.js

// Parse webkit speech output for recognized Igor commands
function parse_speech(message)
{
  debug("Message = " + message);
  command = match_command(message);
  if (command)
  {
    run_command(command, message);
  }
}

// Run an Igor command, given what was said to invoke it
function run_command(command, message)
{
  debug("Making the call to " + command.handler);
  if (is_integration_loaded(command.from))
  {
    eval(command.handler)(message);
  }
  else
  {
    load_integration(command.from, function () {
      eval(command.handler)(message);
    });
  }
}

// Determine whether an utterance matches any Igor commands
function match_command(utterance)
{
  for (c in igor_commands)
  {
    command = igor_commands[c];
		
    if (command.matcher(utterance, command.keywords))
    {
      debug("Matched " + command.handler + " from " + command.from);
      return command;
    }
  }
}

// Lazy-load javascript from the integrations/ directory for use
function load_integration(path, callback)
{
  if (!is_integration_loaded(path))
  {
    loaded_integrations.push(path);
    loadScript(path, callback);
    debug("Now have " + loaded_integrations.length + " integrations loaded.");
  }
}

// Determines whether an integration has already been loaded
function is_integration_loaded(path)
{
  for (i = 0; i < loaded_integrations.length; i++)
  {
    if (loaded_integrations[i] == path)
    {
      debug("Tried to load " + path + " but it was already loaded.");
      return true;
    }
  }
  return false;
}

// Returns true if all words in needles exist in haystack
function match_all(haystack, needles)
{
  for (i in needles)
  {
    pedantic("Trying to match " + needles[i] + " in " + haystack);
    if (haystack.toLowerCase().indexOf(needles[i].toLowerCase()) < 0)
    {
      return false;
    }
  }
  return true;
}

// Returns true if any word in needles exists in haystack
function match_any(haystack, needles)
{
  for (i in needles)
  {
    if (haystack.indexOf(needles[i]) > -1)
    {
      return true;
    }
  }
  return false;
}