protected virtual async Task InjectBufferAtSpan(Viewport viewPort, Buffer sourceBuffer, ICollection <Buffer> buffers, IDictionary <string, SourceFile> files, TextSpan span)
{
var tree = CSharpSyntaxTree.ParseText(viewPort.Destination.Text.ToString());
var textChange = new TextChange(
span,
$"{Padding}{sourceBuffer.Content}{Padding}");
var txt = tree.WithChangedText(tree.GetText().WithChanges(textChange));
var offset = span.Start + PaddingSize;
var newCode = (await txt.GetTextAsync()).ToString();
buffers.Add(new Buffer(
sourceBuffer.Id,
sourceBuffer.Content,
sourceBuffer.Position,
offset));
files[viewPort.Destination.Name] = SourceFile.Create(newCode, viewPort.Destination.Name);
}
protected Task InjectBuffer(Viewport viewPort, Buffer sourceBuffer, ICollection <Buffer> buffers, IDictionary <string, SourceFile> files,
BufferInjectionPoints bufferIdInjectionPoints)
{
TextSpan targetSpan;
switch (bufferIdInjectionPoints)
{
case BufferInjectionPoints.Before:
targetSpan = CreateTextSpanBefore(viewPort.OuterRegion);
break;
case BufferInjectionPoints.After:
targetSpan = CreateTextSpanAfter(viewPort.OuterRegion);
break;
default:
targetSpan = viewPort.Region;
break;
}
return(InjectBufferAtSpan(viewPort, sourceBuffer, buffers, files, targetSpan));
}