/// <summary>
/// Creates a <see cref="RuleBook"/> by parsing the content of the
/// indicated configuration file.
/// </summary>
/// <param name="filename">The configuration filename.</param>
/// <returns>A <see cref="RuleBook"/> instance created using the
/// details in the configuration file.</returns>
public static RuleBook Load(string filename)
{
RuleBook ruleBook = new RuleBook();
FileStream stream = File.OpenRead(Application.PathTo(filename));
XmlDocument document = XmlUtility.NonValidatingParse(stream);
XmlNodeList list = DOM.GetChildElements(document.DocumentElement);
foreach (XmlElement context in list)
{
if (context.LocalName.Equals("identifier"))
{
string name = context.GetAttribute("name");
Property [] properties = LoadProperties(XPath.Paths(context, "property"));
IFormatter formatter = (IFormatter)LoadClass(XPath.Paths(context, "formatter"));
ruleBook.Add(new IdentifierRule(name, properties, formatter));
}
else
{
log.Warn("Unexpected element '" + context.LocalName + "'");
}
}
return(ruleBook);
}
public void RegisterRule(IEventRule eventRule)
{
foreach (EventType eventType in eventRule.EventTypes)
{
if (RuleBook.ContainsKey(eventType))
{
var page = RuleBook[eventType];
if (!page[eventRule.RuleType].Contains(eventRule))
{
page[eventRule.RuleType].Add(eventRule);
}
}
else
{
var page = new RulePage();
RuleBook.Add(eventType, page);
page[eventRule.RuleType].Add(eventRule);
}
}
}
