internal static void ApplyTextEdits(IEnumerable <TextEdit> textEdits, ITextSnapshot snapshot, ITextBuffer textBuffer)
{
var vsTextEdit = textBuffer.CreateEdit();
foreach (var textEdit in textEdits)
{
if (textEdit.Range.Start == textEdit.Range.End)
{
var position = snapshot.GetSnapshotPositionFromProtocolPosition(textEdit.Range.Start);
if (position > -1)
{
var span = GetTranslatedSpan(position, 0, snapshot, vsTextEdit.Snapshot);
vsTextEdit.Insert(span.Start, textEdit.NewText);
}
}
else if (string.IsNullOrEmpty(textEdit.NewText))
{
var startPosition = snapshot.GetSnapshotPositionFromProtocolPosition(textEdit.Range.Start);
var endPosition = snapshot.GetSnapshotPositionFromProtocolPosition(textEdit.Range.End);
var difference = endPosition - startPosition;
if (startPosition > -1 && endPosition > -1 && difference > 0)
{
var span = GetTranslatedSpan(startPosition, difference, snapshot, vsTextEdit.Snapshot);
vsTextEdit.Delete(span);
}
}
else
{
var startPosition = snapshot.GetSnapshotPositionFromProtocolPosition(textEdit.Range.Start);
var endPosition = snapshot.GetSnapshotPositionFromProtocolPosition(textEdit.Range.End);
var difference = endPosition - startPosition;
if (startPosition > -1 && endPosition > -1 && difference > 0)
{
var span = GetTranslatedSpan(startPosition, difference, snapshot, vsTextEdit.Snapshot);
vsTextEdit.Replace(span, textEdit.NewText);
}
}
}
vsTextEdit.Apply();
}