/// <summary>
/// perform Search
/// </summary>
/// <param name="query"></param>
/// <param name="chosenLangs"></param>
public void performSearch(string query, List <string /*lang*/> chosenLangs)
{
if (m_Dictionary == null)
{
ModelChanged("You should load or create an index first :(");
return;
}
if (m_stemOn)
{
query = query.ToLower();
Stemmer stemmer = new Stemmer();
string[] splited = query.Split(' ');
for (int i = 0; i < splited.Length; i++)
{
splited[i] = stemmer.stemTerm(splited[i]);
}
string stemmedQuery = "";
for (int i = 0; i < splited.Length - 1; i++)
{
stemmedQuery = splited[i] + " ";
}
stemmedQuery += splited[splited.Length - 1];
query = stemmedQuery;
query = query.ToUpper();
}
m_searcher.setSearcher(m_N, m_Dictionary, m_pathToPosting, m_docsLength, m_avdl, "stop_words.txt");
m_searchResults = m_searcher.ansForQuery(query, m_docLangDict, chosenLangs);
m_searchResults.Add(query + "|" + m_queryID);
m_queryID++;
ModelChanged("searchResultsReady");
}
private void addToParsedList(string term) //adds to term to persed list stemmed or not according to flag stemOn
{
if (m_stemOn)
{
term = term.ToLower();
term = m_stemmer.stemTerm(term);
term = term.ToUpper();
}
m_parsedTermsOfDoc.Add(term);
}
/// <summary>
/// get File Quries
/// </summary>
/// <param name="pathToFileQ"></param>
/// <returns></returns>
private Dictionary <string, string> getFileQuries(string pathToFileQ)
{
Dictionary <string, string> quries = new Dictionary <string, string>();
StreamReader file = new StreamReader(pathToFileQ);
string line;
while ((line = file.ReadLine()) != null)
{
string[] splitedLine = line.Split(' ');
string id = splitedLine[0];
string query = "";
for (int i = 1; i < splitedLine.Length; i++)
{
query = query + " " + splitedLine[i];
}
if (query != null && query != "")
{
query = query.Substring(1);
if (m_stemOn)
{
Stemmer stemmer = new Stemmer();
string[] splited = query.Split(' ');
for (int i = 0; i < splited.Length; i++)
{
splited[i] = splited[i].ToLower();
splited[i] = stemmer.stemTerm(splited[i]);
}
string stemmedQuery = "";
for (int i = 0; i < splited.Length - 1; i++)
{
stemmedQuery = splited[i] + " ";
}
stemmedQuery += splited[splited.Length - 1];
query = stemmedQuery;
}
query = query.ToUpper();
quries.Add(id, query);
}
}
return(quries);
}
