/// <summary>
/// Creates the concordance.
/// </summary>
/// <returns></returns>
public Dictionary <string, ConcordanceItem> CreateConcordance()
{
Dictionary <string, ConcordanceItem> ht = new Dictionary <string, ConcordanceItem>();
foreach (Page p in this)
{
foreach (string key in p.SelectMany(stringItem => stringItem.Select(word => word.ToString().ToLower())))
{
if (ht.ContainsKey(key))
{
ht[key].AddOccurrence(p.PageIndex);
}
else
{
ConcordanceItem item = new ConcordanceItem();
item.AddOccurrence(p.PageIndex);
ht.Add(key, item);
}
}
}
return(ht);
}
