internal void TrimTrailingWhitespace(TextDocument doc)
{
foreach (var cursor in doc.FindMatches(_package.UsePOSIXRegEx ? @":b+\n" : @"[ \t]+\r?\n"))
{
cursor.Delete(_trailingWhitespaces.Match(cursor.GetLine()).Length);
}
}
/// <summary>
/// A series of tab widths from 2 to 8 are scored according to the leading spaces already present
/// on the current document.
/// </summary>
/// <returns>A tally of all indent widths and their respective scores.</returns>
private int[] TallyIndentationScores()
{
const string pattern = @"^( )+(?=[^ \t])";
var leadingSpaces = new Regex(pattern, RegexOptions.Compiled);
var indentWidthScores = new int[8];
foreach (var spaces in _textDoc.FindMatches(pattern)
.Select(editPoint => editPoint.GetLine())
.Select(line => leadingSpaces.Match(line).Length))
{
for (var i = 2; i <= 8; i++)
{
if (i > spaces)
{
break;
}
if (spaces % i == 0)
{
indentWidthScores[i - 1] += spaces;
}
}
}
return(indentWidthScores);
}
