private void BtnReadSelectors_Click(object sender, RoutedEventArgs e)
{
string[] selectors = txtSelectors.Text.Split(';');
foreach (var selector in selectors)
{
if (!selector.Equals("") && CustomSelectors.Any(s => s.Equals(selector)) == false)
{
CustomSelectors.Add(selector);
}
}
}
private void CustomSelector(string name, bool hasArguments)
{
DelegateInfo deleg;
if (!CustomSelectors.TryGetValue(name, out deleg))
{
throw new FormatException(string.Format("Unknown pseudo-selector '{0}'.", name));
}
var formalParameters = deleg.ParameterTypes;
var actualParameters = new object[formalParameters.Count];
for (int i = 0; i < formalParameters.Count; i++)
{
if (i != 0)
{
Read(ToTokenSpec(Token.Semicolon()));
Read(ToTokenSpec(TokenKind.WhiteSpace));
}
Type type = (Type)formalParameters[i];
var typeName = type.Name;
if (typeName == TypeCode.String.ToString())
{
actualParameters[i] = Read(ToTokenSpec(TokenKind.String)).Text;
}
else if (
typeName == TypeCode.Byte.ToString() ||
typeName == TypeCode.UInt16.ToString() ||
typeName == TypeCode.UInt32.ToString() ||
typeName == TypeCode.UInt64.ToString() ||
typeName == TypeCode.SByte.ToString() ||
typeName == TypeCode.Int16.ToString() ||
typeName == TypeCode.Int32.ToString() ||
typeName == TypeCode.Int64.ToString()
)
{
actualParameters[i] = int.Parse(Read(ToTokenSpec(TokenKind.Integer)).Text, CultureInfo.InvariantCulture);
}
else if (type.GetGenericTypeDefinition() == typeof(Selector <>))
{
actualParameters[i] = ParseSubGenerator().Selector;
}
else
{
throw new ArgumentException(string.Format("Unsupported parameter type for custom selector '{0}'", name));
}
}
var selector = deleg.Method.DynamicInvoke(actualParameters);
_generator.CustomSelector(selector);
}
