private bool ProcessHiddenIfComment()
{
bool isProcessed = false;
string content = _innerContext.SourceCode;
int contentRemainderLength = _innerContext.RemainderLength;
var hiddenIfCommentMatch = _hiddenIfCommentRegex.Match(content, _innerContext.Position,
contentRemainderLength);
if (hiddenIfCommentMatch.Success)
{
string hiddenIfComment = hiddenIfCommentMatch.Value;
var groups = hiddenIfCommentMatch.Groups;
string expression = groups["expression"].Value.Trim();
ParseIfConditionalComment(expression, HtmlConditionalCommentType.Hidden);
_innerContext.IncreasePosition(hiddenIfComment.Length);
isProcessed = true;
}
return isProcessed;
}