public virtual void IndentLine(ITextEditor editor, IDocumentLine line)
{
IDocument document = editor.Document;
int lineNumber = line.LineNumber;
if (lineNumber > 1)
{
IDocumentLine previousLine = document.GetLine(lineNumber - 1);
string indentation = DocumentUtilitites.GetWhitespaceAfter(document, previousLine.Offset);
// copy indentation to line
string newIndentation = DocumentUtilitites.GetWhitespaceAfter(document, line.Offset);
document.Replace(line.Offset, newIndentation.Length, indentation);
}
}
public ReadOnlyDocument(ITextBuffer textBuffer)
{
if (textBuffer == null)
{
throw new ArgumentNullException("textBuffer");
}
// ensure that underlying buffer is immutable
this.textBuffer = textBuffer.CreateSnapshot();
List <int> lines = new List <int>();
lines.Add(0);
int offset = 0;
string newlineType;
var textSource = DocumentUtilitites.GetTextSource(this.textBuffer);
while ((offset = ICSharpCode.AvalonEdit.Document.TextUtilities.FindNextNewLine(textSource, offset, out newlineType)) >= 0)
{
offset += newlineType.Length;
lines.Add(offset);
}
this.lines = lines.ToArray();
}