private ITextEdit FixByMoving(RobotsTxtLineSyntax line, RobotsTxtRecordSyntax record)
{
ITextBuffer buffer = line.Record.Document.Snapshot.TextBuffer;
// default insertion point at record start
SnapshotPoint insertionPoint = record.Span.Start;
// find last User-agent line
var last = record.Lines
.TakeWhile(l => l.NameToken.Value.Equals("User-agent", StringComparison.InvariantCultureIgnoreCase))
.LastOrDefault();
if (last != null) // override insertion point
{
insertionPoint = last.Span.End.GetContainingLine().EndIncludingLineBreak;
}
// move line up
ITextEdit edit = buffer.CreateEdit();
edit.Insert(
insertionPoint,
line.Span.Start.GetContainingLine().GetTextIncludingLineBreak()
);
edit.Delete(line.Span.Start.GetContainingLine().ExtentIncludingLineBreak);
return(edit);
}
public IEnumerable <CodeAction> GetFixes(SnapshotSpan span)
{
ITextBuffer buffer = span.Snapshot.TextBuffer;
SyntaxTree syntax = buffer.GetSyntaxTree();
RobotsTxtDocumentSyntax root = syntax.Root as RobotsTxtDocumentSyntax;
// find section
RobotsTxtRecordSyntax record = root.Records
.First(s => s.Span.IntersectsWith(span));
// find first declaration
RobotsTxtLineSyntax line = record.Lines
.First(s => s.NameToken.Span.Span == span);
yield return(new CodeAction(
$"Separate records by a blank line",
() => FixBySeparation(line)
));
yield return(new CodeAction(
$"Move line to the top of the record",
() => FixByMoving(line, record)
));
}