|
static private GetTextFromTextSource ( ITextSource textSource ) : IEnumerable |
||
| textSource | ITextSource | |
| return | IEnumerable |
|
static IEnumerable<char> GetTextFromTextSource(ITextSource textSource)
{
if (textSource == null)
throw new ArgumentNullException("textSource");
if (textSource is ReadOnlyDocument)
textSource = textSource.CreateSnapshot(); // retrieve underlying text source, which might be a RopeTextSource
RopeTextSource rts = textSource as RopeTextSource;
if (rts != null)
return rts.GetRope();
TextDocument doc = textSource as TextDocument;
if (doc != null)
return doc.rope;
return textSource.Text;
}