/// <inheritdoc/>
public virtual void IndentLine(TextDocument document, DocumentLine line)
{
if (document == null)
throw new ArgumentNullException("document");
if (line == null)
throw new ArgumentNullException("line");
DocumentLine previousLine = line.PreviousLine;
if (previousLine != null) {
ISegment indentationSegment = TextUtilities.GetWhitespaceAfter(document, previousLine.Offset);
string indentation = document.GetText(indentationSegment);
// copy indentation to line
indentationSegment = TextUtilities.GetWhitespaceAfter(document, line.Offset);
document.Replace(indentationSegment, indentation);
}
}
/// <summary>
/// Gets the newline sequence used in the document at the specified line.
/// </summary>
public static string GetNewLineFromDocument(TextDocument document, int lineNumber)
{
DocumentLine line = document.GetLineByNumber(lineNumber);
if (line.DelimiterLength == 0) {
// at the end of the document, there's no line delimiter, so use the delimiter
// from the previous line
line = line.PreviousLine;
if (line == null)
return Environment.NewLine;
}
return document.GetText(line.Offset + line.Length, line.DelimiterLength);
}