private static string ComputeOneLevelOfIndentation(this XNode node)
{
int num = node.Ancestors().Count <XElement>();
XText previousNode = node.PreviousNode as XText;
if ((num == 0) || ((previousNode == null) || !previousNode.IsWhiteSpace()))
{
return(" ");
}
string source = previousNode.Value.Trim(Environment.NewLine.ToCharArray());
return(new string((source.LastOrDefault <char>() == '\t') ? '\t' : ' ', Math.Max(1, source.Length / num)));
}
public static void RemoveIndented(this XNode element)
{
XText previousNode = element.PreviousNode as XText;
XText nextNode = element.NextNode as XText;
string str = element.ComputeOneLevelOfIndentation();
element.Remove();
if ((nextNode != null) && nextNode.IsWhiteSpace())
{
nextNode.Remove();
}
if (!element.ElementsAfterSelf().Any <XElement>() && ((previousNode != null) && previousNode.IsWhiteSpace()))
{
previousNode.Value = previousNode.Value.Substring(0, previousNode.Value.Length - str.Length);
}
}
private static string ComputeOneLevelOfIndentation(this XNode node)
{
var depth = node.Ancestors().Count();
XText textBeforeOrNull = node.PreviousNode as XText;
if (depth == 0 || textBeforeOrNull == null || !textBeforeOrNull.IsWhiteSpace())
{
return(" ");
}
string indentString = textBeforeOrNull.Value.Trim(Environment.NewLine.ToCharArray());
char lastChar = indentString.LastOrDefault();
char indentChar = (lastChar == '\t' ? '\t' : ' ');
int indentLevel = Math.Max(1, indentString.Length / depth);
return(new string(indentChar, indentLevel));
}
public static void RemoveIndented(this XNode element)
{
// NOTE: this method is tested by BindinRedirectManagerTest and SettingsTest
XText textBeforeOrNull = element.PreviousNode as XText;
XText textAfterOrNull = element.NextNode as XText;
string oneIndentLevel = element.ComputeOneLevelOfIndentation();
bool isLastChild = !element.ElementsAfterSelf().Any();
element.Remove();
if (textAfterOrNull != null && textAfterOrNull.IsWhiteSpace())
{
textAfterOrNull.Remove();
}
if (isLastChild && textBeforeOrNull != null && textBeforeOrNull.IsWhiteSpace())
{
textBeforeOrNull.Value = textBeforeOrNull.Value.Substring(0, textBeforeOrNull.Value.Length - oneIndentLevel.Length);
}
}