private IProjectionBuffer CreateProjectionBuffer(string contentType = null, params ITrackingSpan[] spans)
{
return(contentType != null
? ProjectionBufferFactoryService.CreateProjectionBuffer(null,
new List <object>(spans),
ProjectionBufferOptions.None,
ContentTypeRegistryService.GetContentType(contentType))
: ProjectionBufferFactoryService.CreateProjectionBuffer(null,
new List <object>(spans),
ProjectionBufferOptions.None));
}
protected override ITrackingSpan GetPreviousStatementBufferAndSpan(int contextPoint, Document document)
{
var previousTrackingSpan = ContextBuffer.CurrentSnapshot.CreateTrackingSpan(Span.FromBounds(0, contextPoint), SpanTrackingMode.EdgeNegative);
// terminate the previous expression/statement
var buffer = ProjectionBufferFactoryService.CreateProjectionBuffer(
projectionEditResolver: null,
sourceSpans: new object[] { previousTrackingSpan, this.StatementTerminator },
options: ProjectionBufferOptions.None,
contentType: this.ContentType);
return(buffer.CurrentSnapshot.CreateTrackingSpan(0, buffer.CurrentSnapshot.Length, SpanTrackingMode.EdgeNegative));
}
/// <summary>
/// Create a simple IProjectionBuffer from the specified SnapshotSpan values
/// </summary>
public IProjectionBuffer CreateProjectionBuffer(params SnapshotSpan[] spans)
{
var list = new List <object>();
foreach (var span in spans)
{
var snapshot = span.Snapshot;
var trackingSpan = snapshot.CreateTrackingSpan(span.Span, SpanTrackingMode.EdgeInclusive);
list.Add(trackingSpan);
}
return(ProjectionBufferFactoryService.CreateProjectionBuffer(
null,
list,
ProjectionBufferOptions.None));
}
