public string[] CombineNodes(XElement xml, Func <NodeBuilder, XElement, List <XNode>, int, string> getElementText)
{
var nodes = xml.Nodes().ToList();
var nodeBuilder = new NodeBuilder();
var trimWhitespaceLength = GetWhitespaceToTrim(nodes) ?? 0;
var spaces = new string(' ', trimWhitespaceLength);
for (var i = 0; i < nodes.Count && nodeBuilder.Continue; i++)
{
if (nodes[i] is XText)
{
var lines = ((XText)nodes[i]).Value.Split('\n');
lines = lines.SkipWhile(string.IsNullOrEmpty).Reverse().SkipWhile(string.IsNullOrEmpty)
.Reverse().ToArray();
for (var j = 0; j < lines.Length; j++)
{
string l;
if (lines[j].StartsWith(spaces))
{
l = lines[j].Substring(trimWhitespaceLength);
}
else
{
l = lines[j];
}
//Is the last line of an expression all spaces? Ignore!
if (j == lines.Length - 1)
{
if (Regex.Match(l, "^ +$").Success)
{
continue;
}
}
var trimmed = methodConfig.Method.GetValue(l, false);
if (Regex.Match(trimmed, "^ +$").Success)
{
trimmed = string.Empty;
}
nodeBuilder.Append(trimmed);
//If this isn't the last line of text and the next line isn't all just spaces, or there are at least two more lines to go, insert a newline
if (NodeTextNeedsNewLine(lines, nodes, nodeBuilder, i, j)) //todo: this is wrong.
{
nodeBuilder.AppendLine();
}
}
}
if (nodes[i] is XElement)
{
var elm = (XElement)nodes[i];
nodeBuilder.Append(getElementText(nodeBuilder, elm, nodes, i));
}
}
return(nodeBuilder.ToString().Split('\n').Select(v => v.TrimEnd('\r')).Reverse().SkipWhile(string.IsNullOrEmpty).Reverse().ToArray());
}
