/// <summary>
/// gets the document that contain the words in the query
/// </summary>
/// <param name="querywords">The querywords.</param>
/// <param name="typesPossible">The types of document possible.</param>
/// <returns></returns>
private static Dictionary <Document, Dictionary <string, List <int> > > DocsFound(List <String> querywords, HashSet <string> typesPossible)
{
var found = new Dictionary <Document, Dictionary <string, List <int> > >();
Dictionary <string, Dictionary <Document, List <int> > > available = new Dictionary <string, Dictionary <Document, List <int> > >();
HashSet <Document> availableDocs = new HashSet <Document>(new DocumentComparer());
String QueryToTrie = "";
foreach (string word in querywords)
{
QueryToTrie += word + " ";
if (!available.ContainsKey(word))
{
Dictionary <Document, List <int> > thisWords = invt.AllDocumentsPositionsContainingWord(word);
available.Add(word, thisWords);
availableDocs.UnionWith(thisWords.Keys);
}
}
foreach (Document x in availableDocs)
{
if (typesPossible.Contains(x.Type) && x.Exists)
{
Dictionary <string, List <int> > wordDict = new Dictionary <string, List <int> >();
foreach (string word in querywords)
{
if (available[word].ContainsKey(x))
{
if (!wordDict.ContainsKey(word))
{
wordDict.Add(word, available[word][x]);
}
}
else
{
if (!wordDict.ContainsKey(word))
{
wordDict.Add(word, new List <int>());
}
}
}
found.Add(x, wordDict);
}
}
return(found);
}
