protected override void Convert(Document.Document document, int startLine, int endLine)
{
List <string> lines = new List <string>();
for (int i = startLine; i <= endLine; ++i)
{
LineSegment line = document.GetLineSegment(i);
lines.Add(document.GetText(line.Offset, line.Length));
}
for (int i = 0; i < lines.Count - 1; ++i)
{
if (lines[i] == "")
{
lines.RemoveAt(i);
--i;
}
}
for (int i = 0; i < lines.Count; ++i)
{
LineSegment line = document.GetLineSegment(startLine + i);
document.Replace(line.Offset, line.Length, lines[i].ToString());
}
// remove removed lines
for (int i = startLine + lines.Count; i <= endLine; ++i)
{
LineSegment line = document.GetLineSegment(startLine + lines.Count);
document.Remove(line.Offset, line.TotalLength);
}
}
protected override void Convert(Document.Document document, int y1, int y2)
{
for (int i = y2; i >= y1; --i)
{
LineSegment line = document.GetLineSegment(i);
if (line.Length > 0)
{
// count how many whitespace characters there are at the start
int whiteSpace;
for (whiteSpace = 0; whiteSpace < line.Length && char.IsWhiteSpace(document.GetCharAt(line.Offset + whiteSpace)); whiteSpace++)
{
// deliberately empty
}
if (whiteSpace > 0)
{
string newLine = document.GetText(line.Offset, whiteSpace);
string newPrefix = newLine.Replace("\t", new string(' ', Shared.TEP.TabIndent));
document.Replace(line.Offset, whiteSpace, newPrefix);
}
}
}
}
protected override void Convert(Document.Document document, int y1, int y2)
{
for (int i = y2; i >= y1; --i)
{
LineSegment line = document.GetLineSegment(i);
if (line.Length > 0)
{
// note: some users may prefer a more radical ConvertLeadingSpacesToTabs that
// means there can be no spaces before the first character even if the spaces
// didn't add up to a whole number of tabs
string newLine = TextUtilities.LeadingWhiteSpaceToTabs(document.GetText(line.Offset, line.Length), Shared.TEP.TabIndent);
document.Replace(line.Offset, line.Length, newLine);
}
}
}
protected override void Convert(Document.Document document, int y1, int y2)
{
for (int i = y1; i < y2; ++i)
{
LineSegment line = document.GetLineSegment(i);
int removeNumber = 0;
for (int x = line.Offset; x < line.Offset + line.Length && Char.IsWhiteSpace(document.GetCharAt(x)); ++x)
{
++removeNumber;
}
if (removeNumber > 0)
{
document.Remove(line.Offset, removeNumber);
}
}
}
