|
public GetESet ( uint maxitems, |
||
| maxitems | uint | |
| omrset | ||
| return | ||
public static void Main(string[] argv) {
// We require at least two command line arguments.
if (argv.Length < 2) {
Console.Error.WriteLine("Usage: SimpleExpand PATH_TO_DATABASE QUERY [-- [DOCID...]]");
Environment.Exit(1);
}
try {
// Open the database for searching.
Xapian.Database database = new Xapian.Database(argv[0]);
// Start an enquire session.
Xapian.Enquire enquire = new Xapian.Enquire(database);
// Create an RSet to add the listed docids to.
Xapian.RSet rset = new Xapian.RSet();
// Combine command line arguments up to "--" with spaces between
// them, so that simple queries don't have to be quoted at the
// shell level.
string query_string = argv[1];
for (int i = 2; i < argv.Length; ++i) {
if (argv[i] == "--") {
while (++i < argv.Length) {
rset.AddDocument(Convert.ToUInt32(argv[i]));
}
break;
}
query_string += ' ';
query_string += argv[i];
}
// Parse the query string to produce a Xapian::Query object.
Xapian.QueryParser qp = new Xapian.QueryParser();
Xapian.Stem stemmer = new Xapian.Stem("english");
qp.SetStemmer(stemmer);
qp.SetDatabase(database);
qp.SetStemmingStrategy(Xapian.QueryParser.stem_strategy.STEM_SOME);
Xapian.Query query = qp.ParseQuery(query_string);
Console.WriteLine("Parsed query is: " + query.GetDescription());
// Find the top 10 results for the query.
enquire.SetQuery(query);
Xapian.MSet matches = enquire.GetMSet(0, 10, rset);
// Display the results.
Console.WriteLine("{0} results found.", matches.GetMatchesEstimated());
Console.WriteLine("Matches 1-{0}:", matches.Size());
Xapian.MSetIterator m = matches.Begin();
while (m != matches.End()) {
Console.WriteLine("{0}: {1}% docid={2} [{3}]\n",
m.GetRank() + 1,
m.GetPercent(),
m.GetDocId(),
m.GetDocument().GetData());
++m;
}
// If no relevant docids were given, invent an RSet containing the
// top 5 matches (or all the matches if there are less than 5).
if (rset.Empty()) {
int c = 5;
Xapian.MSetIterator i = matches.Begin();
while (c-- > 0 && i != matches.End()) {
rset.AddDocument(i.GetDocId());
++i;
}
}
// Generate an ESet containing terms that the user might want to
// add to the query.
Xapian.ESet eset = enquire.GetESet(10, rset);
Console.WriteLine(eset.Size());
// List the terms.
for (Xapian.ESetIterator t = eset.Begin(); t != eset.End(); ++t) {
Console.WriteLine("{0}: weight = {1}",
t.GetTerm(), t.GetWeight());
}
} catch (Exception e) {
Console.Error.WriteLine("Exception: " + e.ToString());
Environment.Exit(1);
}
}
public static void Main(string[] argv)
{
// We require at least two command line arguments.
if (argv.Length < 2)
{
Console.Error.WriteLine("Usage: SimpleExpand PATH_TO_DATABASE QUERY [-- [DOCID...]]");
Environment.Exit(1);
}
try {
// Open the database for searching.
Xapian.Database database = new Xapian.Database(argv[0]);
// Start an enquire session.
Xapian.Enquire enquire = new Xapian.Enquire(database);
// Create an RSet to add the listed docids to.
Xapian.RSet rset = new Xapian.RSet();
// Combine command line arguments up to "--" with spaces between
// them, so that simple queries don't have to be quoted at the
// shell level.
string query_string = argv[1];
for (int i = 2; i < argv.Length; ++i)
{
if (argv[i] == "--")
{
while (++i < argv.Length)
{
rset.AddDocument(Convert.ToUInt32(argv[i]));
}
break;
}
query_string += ' ';
query_string += argv[i];
}
// Parse the query string to produce a Xapian::Query object.
Xapian.QueryParser qp = new Xapian.QueryParser();
Xapian.Stem stemmer = new Xapian.Stem("english");
qp.SetStemmer(stemmer);
qp.SetDatabase(database);
qp.SetStemmingStrategy(Xapian.QueryParser.stem_strategy.STEM_SOME);
Xapian.Query query = qp.ParseQuery(query_string);
Console.WriteLine("Parsed query is: " + query.GetDescription());
// Find the top 10 results for the query.
enquire.SetQuery(query);
Xapian.MSet matches = enquire.GetMSet(0, 10, rset);
// Display the results.
Console.WriteLine("{0} results found.", matches.GetMatchesEstimated());
Console.WriteLine("Matches 1-{0}:", matches.Size());
Xapian.MSetIterator m = matches.Begin();
while (m != matches.End())
{
Console.WriteLine("{0}: {1}% docid={2} [{3}]\n",
m.GetRank() + 1,
m.GetPercent(),
m.GetDocId(),
m.GetDocument().GetData());
++m;
}
// If no relevant docids were given, invent an RSet containing the
// top 5 matches (or all the matches if there are less than 5).
if (rset.Empty())
{
int c = 5;
Xapian.MSetIterator i = matches.Begin();
while (c-- > 0 && i != matches.End())
{
rset.AddDocument(i.GetDocId());
++i;
}
}
// Generate an ESet containing terms that the user might want to
// add to the query.
Xapian.ESet eset = enquire.GetESet(10, rset);
Console.WriteLine(eset.Size());
// List the terms.
for (Xapian.ESetIterator t = eset.Begin(); t != eset.End(); ++t)
{
Console.WriteLine("{0}: weight = {1}",
t.GetTerm(), t.GetWeight());
}
} catch (Exception e) {
Console.Error.WriteLine("Exception: " + e.ToString());
Environment.Exit(1);
}
}