public static void FormatClosingBrace(ITextSnapshot Snapshot, ITextSnapshotLine line)
{
Span s = new Span(line.Start, line.Length - 1);
if (string.IsNullOrWhiteSpace(Snapshot.GetText(s)))
{
SnapshotSpan pair;
if (BraceMatchingTagger.FindMatchingOpenChar(line.End, '{', '}', Snapshot.LineCount, out pair, true))
{
var previousLine = Snapshot.GetLineFromPosition(pair.Span.Start);
int previousLineNum = previousLine.LineNumber;
string previousLineText = previousLine.GetText();
int indentLevel = LineIndenter.GetIndentLevel(Snapshot, previousLineText);
Snapshot.TextBuffer.Replace(s, new string(' ', indentLevel));
}
}
}
void TextBuffer_ChangedHighPriority(object sender, Microsoft.VisualStudio.Text.TextContentChangedEventArgs e)
{
foreach (var change in e.Changes)
{
if (change.NewText.EndsWith("{"))
{
var line = e.After.GetLineFromPosition(change.NewPosition);
int linenum = line.LineNumber;
if (linenum > 0)
{
int?ind = lineindenter.GetDesiredIndentation(line);
int indentLevel;
if (ind == null)
{
int previousLine = LineIndenter.GetPreviousNonWhitespaceLine(e.After, linenum);
string previousLineText = e.After.GetLineFromLineNumber(previousLine).GetText();
indentLevel = LineIndenter.GetIndentLevel(e.After, previousLineText);
}
else
{
indentLevel = (int)ind;
}
Span s = new Span(line.Start, line.Length - 1);
if (string.IsNullOrWhiteSpace(e.After.GetText(s)))
{
e.After.TextBuffer.Replace(s, new string(' ', indentLevel));
}
}
}
else if (change.NewText.EndsWith("}"))
{
var line = e.After.GetLineFromPosition(change.NewPosition);
FormatClosingBrace(e.After, line);
}
}
}
public ISmartIndent CreateSmartIndent(ITextView textView)
{
textView.TextBuffer.ChangedHighPriority += new EventHandler <Microsoft.VisualStudio.Text.TextContentChangedEventArgs>(TextBuffer_ChangedHighPriority);
return(lineindenter ?? (lineindenter = new LineIndenter(textView)));
}