private static string GetReplacementText(
ITextView textView,
DocumentOptionSet options,
ITextSnapshotLine triviaLine,
SyntaxTrivia trivia,
int position
)
{
// We're inside a comment. Instead of inserting just a newline here, insert
// 1. a newline
// 2. spaces up to the indentation of the current comment
// 3. the comment prefix (extended out for repeated chars).
// Then, depending on if the current comment starts with whitespace or not, we will insert those same spaces
// to match.
var commentStartColumn = triviaLine.GetColumnFromLineOffset(
trivia.SpanStart - triviaLine.Start,
textView.Options
);
var useTabs = options.GetOption(FormattingOptions.UseTabs);
var tabSize = options.GetOption(FormattingOptions.TabSize);
var prefix = GetCommentPrefix(triviaLine.Snapshot, trivia, position);
var replacementText =
options.GetOption(FormattingOptions.NewLine)
+ commentStartColumn.CreateIndentationString(useTabs, tabSize)
+ prefix
+ GetWhitespaceAfterCommentPrefix(trivia, triviaLine, prefix, position);
return(replacementText);
}