private static Boolean MatchesDirective(
String trimmed,
String directive,
Int32 expectedParameters,
out List <String> parameters,
out Exception ex)
{
if (trimmed.StartsWith(directive, StringComparison.Ordinal) &&
(trimmed.Length == directive.Length || Char.IsWhiteSpace(trimmed[directive.Length])))
{
parameters = new List <String>();
var startIndex = directive.Length;
var inString = false;
var parens = 0;
for (var i = startIndex; i < trimmed.Length; i++)
{
var c = trimmed[i];
if (Char.IsWhiteSpace(c) && !inString && parens == 0)
{
if (startIndex < i)
{
parameters.Add(trimmed.Substring(startIndex, i - startIndex));
}
startIndex = i + 1;
}
else if (c == '\'')
{
inString = !inString;
}
else if (c == '(' && !inString)
{
parens++;
}
else if (c == ')' && !inString)
{
parens--;
}
}
if (startIndex < trimmed.Length)
{
parameters.Add(trimmed.Substring(startIndex));
}
if (expectedParameters != parameters.Count)
{
ex = new ArgumentException(TemplateStrings.ExpectedNParametersFollowingDirective(expectedParameters, directive, parameters.Count));
parameters = null;
return(false);
}
ex = null;
return(true);
}
ex = null;
parameters = null;
return(false);
}