static bool TryGetDirective(SyntaxNode root, TextSpan span, out SyntaxTrivia directive)
{
directive = root.FindTrivia(span.Start);
return directive.IsKind(SyntaxKind.RegionDirectiveTrivia) || directive.IsKind(SyntaxKind.EndRegionDirectiveTrivia);
}
internal static GetFullCommentedCodeResult GetFullCommentedCode(SyntaxNode root, SyntaxTrivia firstComment)
{
var result = new StringBuilder();
var current = firstComment;
var numberOfComments = 1;
var start = firstComment.GetLocation().SourceSpan.Start;
int end;
do
{
end = current.GetLocation().SourceSpan.End;
result.Append(current.ToString().Substring(2));
var eol = root.FindTrivia(current.GetLocation().SourceSpan.End + 1);
if (!eol.IsKind(SyntaxKind.EndOfLineTrivia)) break;
var whitespace = root.FindTrivia(eol.GetLocation().SourceSpan.End + 1);
if (!whitespace.IsKind(SyntaxKind.WhitespaceTrivia)) break;
current = root.FindTrivia(whitespace.GetLocation().SourceSpan.End + 1);
if (!current.IsKind(SyntaxKind.SingleLineCommentTrivia)) break;
numberOfComments ++;
} while (true);
return new GetFullCommentedCodeResult(result.ToString(), numberOfComments, start, end);
}
