public static string constructXML_WordIndexer(string s, bool dax = false)
{
var xDoc = new XDocument();
var main = new XElement("main");
var fields = new XElement("fields");
var spchars = new XElement("special_chars");
List <char> cl = new List <char>(s);
fields.Add(new XAttribute("numOfElements", cl.Count));
List <char> dl = new List <char>(cl.Distinct().OrderBy(x => x));
List <char> dl2 = new List <char>();
int numOfWords = 0;
//foreach (char c in dl)
//{
// if (!((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c == '\'')))
// dl2.Add(c);
//}
Parallel.ForEach(dl, (char c) =>
{
if (!((c >= '0' && c <= '9') || (c >= 'A' && c <= 'Z') || (c >= 'a' && c <= 'z') || (c == '\'')))
{
dl2.Add(c);
}
});
//foreach (char c in dl2)
//{
// var cv = cl.Select((value, index) => new { value, index })
// .Where(a => cl.Any(t => string.Equals(a.value, c)))
// .Select(a => a.index)
// .ToList();
// var field = new XElement("field");
// field.Add(new XAttribute("value", Convert.ToInt32(c).ToString()));
// field.Add(new XElement("index", string.Join(",", cv.Select(x => x).ToArray())));
// spchars.Add(field);
//}
Parallel.ForEach <char>(dl2, (char c) =>
{
var cv = cl.Select((value, index) => new { value, index })
.Where(a => cl.Any(t => string.Equals(a.value, c)))
.Select(a => a.index)
.ToList();
var field = new XElement("field");
field.Add(new XAttribute("value", Convert.ToInt32(c).ToString()));
if (dax == true)
{
field.Add(new XElement("index", string.Join(" ", cv.Select(x => Dax.ConvertNumberToDax((ulong)x)).ToArray())));
}
else
{
field.Add(new XElement("index", string.Join(",", cv.Select(x => x).ToArray())));
}
spchars.Add(field);
});
fields.Add(spchars);
var words = new XElement("words");
// Remove spaces from list
dl2.Remove(Convert.ToChar(10));
dl2.Remove(Convert.ToChar(13));
dl2.Remove(Convert.ToChar(32));
foreach (char c in dl2)
{
cl.RemoveAll(x => x.Equals(c));
}
string st = string.Join("", cl.ToArray());
List <string> l = new List <string>(st.Split(new string[] { " ", "\r\n" }, StringSplitOptions.RemoveEmptyEntries));
List <string> d = new List <string>(l.OrderBy(x => x.Length).ThenByDescending(x => x).Distinct().Reverse());
//foreach (string sl in d)
//{
// var cv = l.Select((value, index) => new { value, index })
// .Where(a => l.Any(t => string.Equals(a.value, sl)))
// .Select(a => a.index)
// .ToList();
// var field = new XElement("word");
// field.Add(new XAttribute("value", sl));
// field.Add(new XElement("index", string.Join(",", cv.Select(x => x).ToArray())));
// words.Add(field);
// numOfWords += cv.Count;
//}
Parallel.ForEach(d, (string sl) =>
{
var cv = l.Select((value, index) => new { value, index })
.Where(a => l.Any(t => string.Equals(a.value, sl)))
.Select(a => a.index)
.ToList();
var field = new XElement("word");
field.Add(new XAttribute("value", sl));
if (dax == true)
{
field.Add(new XElement("index", string.Join(" ", cv.Select(x => Dax.ConvertNumberToDax((ulong)x)).ToArray())));
}
else
{
field.Add(new XElement("index", string.Join(",", cv.Select(x => x).ToArray())));
}
words.Add(field);
numOfWords += cv.Count;
});
fields.Add(new XAttribute("numOfWords", numOfWords));
fields.Add(words);
main.Add(fields);
xDoc.Add(main);
return(xDoc.ToString());
}