private void ConfigureFilters(string config)
{
var doc = new XmlDocument();
doc.Load(config);
var filterNodes = doc.SelectNodes("//errorFilter");
foreach (XmlNode filterNode in filterNodes)
{
var notList = new List <string>();
var notifiers = filterNode.SelectNodes("//notifier");
{
foreach (XmlElement notifier in notifiers)
{
var name = notifier.Attributes["name"]?.Value;
if (name != null)
{
notList.Add(name);
}
}
}
var assertionNode = (XmlElement)filterNode.SelectSingleNode("test/*");
if (assertionNode != null)
{
var a = AssertionFactory.Create(assertionNode);
var filter = new ErrorFilter(a, notList);
Filtering += filter.OnErrorModuleFiltering;
_filters.Add(filter);
}
}
}
public object Create(object parent, object configContext, XmlNode section)
{
if (section == null)
{
throw new ArgumentNullException("section");
}
//
// Either inherit the incoming parent configuration (for example
// from the machine configuration file) or start with a fresh new
// one.
//
ErrorFilterConfiguration config;
if (parent != null)
{
ErrorFilterConfiguration parentConfig = (ErrorFilterConfiguration)parent;
config = (ErrorFilterConfiguration)((ICloneable)parentConfig).Clone();
}
else
{
config = new ErrorFilterConfiguration();
}
//
// Take the first child of <test> and turn it into the
// assertion.
//
XmlElement assertionNode = (XmlElement)section.SelectSingleNode("test/*");
if (assertionNode != null)
{
config.SetAssertion(AssertionFactory.Create(assertionNode));
}
return(config);
}
static IAssertion TryLoadAssertion(Func <Stream> opener)
{
using (var stream = opener() ?? Stream.Null)
using (var reader = new StreamReader(stream))
{
var content = reader.ReadToEnd();
var trimmed = content.Trim();
if (trimmed.Length == 0)
{
return(null);
}
XmlElement element;
if (trimmed[0] == '<') // Assume XML
{
var config = new XmlDocument();
config.LoadXml(content);
element = (XmlElement)config.SelectSingleNode("errorFilter/test/*")
?? (XmlElement)config.SelectSingleNode("test/*")
?? config.DocumentElement;
}
else // Assume JScript expression
{
var config = new XmlDocument();
var expression = config.CreateElement("expression");
expression.AppendChild(config.CreateTextNode(content));
var jscript = config.CreateElement("jscript");
jscript.AppendChild(expression);
config.AppendChild(jscript);
element = config.DocumentElement;
}
return(AssertionFactory.Create(element));
}
}
