public void Parse(TextReader reader, IParserContext context)
{
var line = reader.ReadLine();
while (line != null)
{
var text = line.Trim();
if (text.StartsWith(_lineStart))
{
var directive = text.Remove(0, _lineStart.Length);
context.AddDirective(directive);
}
else
{
context.FilteredContent.WriteLine(line);
}
line = reader.ReadLine();
}
}