// Calc Stemming To List of Words
private List <String> stemWord(List <string> index)
{
List <String> stemming = new List <String>();
for (int i = 0; i < index.Count; i++)
{
char[] w = index.ElementAt(i).ToCharArray();
int wLength = index.ElementAt(i).Length;
Stemmer s = new Stemmer();
s.add(w, wLength);
s.stem();
string stemmed = s.ToString();
stemming.Add(stemmed);
}
return(stemming);
}
protected void SearchBtn_Click(object sender, EventArgs e)
{
Stemmer stemmer = new Stemmer();
ListBox DidUMean = ((ListBox)form1.FindControl("DidUMeanLBID"));
ListBox ResultsBox = ((ListBox)form1.FindControl("REsultsBoxID"));
string inputText = ((TextBox)form1.FindControl("SearchTxt")).Text.ToLower();
inputText = inputText.ToLower();
string DocID, frequency, Positions;
Boolean exact_query = false;
List <Term> terms = new List <Term>();
List <singelTerm> SingleTermsList = new List <singelTerm>();
Term T;
singelTerm singleterm;
Details D;
SqlConnection conn = new SqlConnection("Server = AYMAN-PC; Database = IRdb; Trusted_Connection = True; MultipleActiveResultSets = true");
conn.Open();
if (inputText[0] == '"')
{
inputText = inputText.Replace(@"""", "");
exact_query = true;
}
inputText = StopWords.RemoveStopwords(inputText);
DidUMean.Items.Clear();
ResultsBox.Items.Clear();
string[] query = SplitWords(inputText);
for (int i = 0; i < query.Count(); i++)
{
query[i] = stemmer.stem(query[i]);
SqlCommand cmd = new SqlCommand("select [term],[doc_id],[frequency],[positions] from [IRdb].[dbo].[Inverted_Index] where [term]= @term ", conn);
cmd.Parameters.AddWithValue("@term", query[i]);
using (SqlDataReader reader = cmd.ExecuteReader())
{
while (reader.Read())
{
singleterm = new singelTerm();
singleterm.name = (reader["term"].ToString());//Term
frequency = reader["frequency"].ToString();
DocID = reader["doc_id"].ToString();
Positions = reader["positions"].ToString();
string[] Pos_terms = Positions.Split('@');
string[] freqs = frequency.Split(',');
string[] _DocIDs = DocID.Split(',');
List <string> positionsList = new List <string>();
foreach (string p in Pos_terms)
{
positionsList = p.Split(',').ToList();
}
foreach (string doc_id in _DocIDs)
{
singleterm.doc_id.Add(int.Parse(doc_id));
}
//frequency
foreach (string f in freqs)
{
singleterm.frequency.Add(int.Parse(f));
}
//postions
foreach (string p in Pos_terms)
{
singleterm.position.Add(p);
}
SingleTermsList.Add(singleterm);
}
}
}
////////////////another Form ///////////
for (int i = 0; i < SingleTermsList.Count(); i++)
{
T = new Term();
T.name = SingleTermsList[i].name;
for (int j = 0; j < SingleTermsList[i].doc_id.Count(); j++)
{
Details details = new Details();
details.doc_id = SingleTermsList[i].doc_id[j];
details.frequency = SingleTermsList[i].frequency[j];
string [] positions = SingleTermsList[i].position[j].Split(',');
foreach (string pos in positions)
{
details.positions.Add(int.Parse(pos));
}
T.details.Add(details);
}
terms.Add(T);
}
/////////////////////////////////////////////////
HtmlGenericControl div = ((HtmlGenericControl)form1.FindControl("SearchingResultsDiv"));//Div That Will Contain Links
searchClass searchObj = new searchClass();
if (terms.Count == 1)
{
searchObj.singleWordSearch(terms, query, ResultsBox, DidUMeanLabelID, div);
}
else
{
if (exact_query == false)
{
//1.Multi Keyword Search
searchObj.MultiKeywordSearch(terms, query, ResultsBox, DidUMeanLabelID, div);
}
else
{
searchObj.ExactSearch(terms, query, ResultsBox, DidUMeanLabelID, div);
}
}
}