public static ContextManager GetInstance() {
if (manager == null) {
manager = new ContextManager();
}
return manager;
}
public void LoadFile(string path)
{
try {
var name = Path.GetFileNameWithoutExtension(path);
// Check Grammar cache
SpeechGrammar grammar = FindGrammar(name);
if (null != grammar)
{
if (grammar.LastModified == File.GetLastWriteTime(path))
{
Log("Ignoring: " + name + " (no changes)"); return;
}
}
// New Grammar
bool addToCache = false;
if (null == grammar)
{
grammar = new SpeechGrammar(name);
addToCache = true;
}
// Load XML
string xml = File.ReadAllText(path, Encoding.UTF8);
if (!LoadXML(grammar, xml))
{
return;
}
// Add new grammar to cache
if (addToCache)
{
Cache.Add(name, grammar);
}
// Setup grammar
grammar.Path = path;
grammar.LastModified = File.GetLastWriteTime(path);
// Check lazy
grammar.Enabled = true;
if ((path.IndexOf("lazy") >= 0) || Regex.IsMatch(xml, "root=\"lazy\\w+\"", RegexOptions.IgnoreCase))
{
grammar.Enabled = false;
}
// Check context
var ctx = ConfigManager.GetInstance().Find("speech.grammar.context", "");
if (!String.IsNullOrEmpty(ctx))
{
var context = ctx.Split('|');
if (context.Length > 0 && !Array.Exists(context, delegate(object s) { return(s.Equals(name)); }))
{
grammar.Enabled = false;
}
}
// Log
Log("Loading: " + name + " (" + grammar.Enabled + ")" + " (" + path + ")");
// Store default context
if (grammar.Enabled)
{
ContextManager.GetInstance().Default.Add(name);
Log("Add to context list: " + name);
}
}
catch (Exception ex) {
Error(ex);
}
}