public static void Main(string[] argv)
{
// We require at least two command line arguments.
if (argv.Length < 2)
{
Console.Error.WriteLine("Usage: SimpleSearch PATH_TO_DATABASE QUERY");
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);
// Combine the rest of the command line arguments 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)
{
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);
// 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;
}
} catch (Exception e) {
Console.Error.WriteLine("Exception: " + e.ToString());
Environment.Exit(1);
}
}
public static void Main()
{
try {
// Test the version number reporting functions give plausible
// results.
string v = "";
v += Xapian.Version.Major();
v += ".";
v += Xapian.Version.Minor();
v += ".";
v += Xapian.Version.Revision();
string v2 = Xapian.Version.String();
if (v != v2)
{
System.Console.WriteLine("Unexpected version output (" + v + " != " + v2 + ")");
System.Environment.Exit(1);
}
Xapian.Stem stem = new Xapian.Stem("english");
Xapian.Document doc = new Xapian.Document();
// Currently SWIG doesn't generate zero-byte clean code for
// transferring strings between C# and C++.
/*
* doc.SetData("a\0b");
* if (doc.GetData() == "a") {
* System.Console.WriteLine("GetData+SetData truncates at a zero byte");
* System.Environment.Exit(1);
* }
* if (doc.GetData() != "a\0b") {
* System.Console.WriteLine("GetData+SetData doesn't transparently handle a zero byte");
* System.Environment.Exit(1);
* }
*/
doc.SetData("is there anybody out there?");
doc.AddTerm("XYzzy");
doc.AddPosting(stem.Apply("is"), 1);
doc.AddPosting(stem.Apply("there"), 2);
doc.AddPosting(stem.Apply("anybody"), 3);
doc.AddPosting(stem.Apply("out"), 4);
doc.AddPosting(stem.Apply("there"), 5);
Xapian.WritableDatabase db = Xapian.InMemory.Open();
db.AddDocument(doc);
if (db.GetDocCount() != 1)
{
System.Environment.Exit(1);
}
if (doc.TermListCount() != 5)
{
System.Environment.Exit(1);
}
int count = 0;
Xapian.TermIterator i = doc.TermListBegin();
while (i != doc.TermListEnd())
{
++count;
++i;
}
if (count != 5)
{
System.Environment.Exit(1);
}
// Check exception handling for Xapian::DocNotFoundError.
try {
Xapian.Document doc2 = db.GetDocument(2);
System.Console.WriteLine("Retrieved non-existent document: " + doc2.ToString());
System.Environment.Exit(1);
} catch (System.Exception e) {
// We expect DocNotFoundError
if (e.Message.Substring(0, 16) != "DocNotFoundError")
{
System.Console.WriteLine("Unexpected exception from accessing non-existent document: " + e.Message);
System.Environment.Exit(1);
}
}
// Check QueryParser parsing error.
try {
Xapian.QueryParser qp = new Xapian.QueryParser();
qp.ParseQuery("test AND");
System.Console.WriteLine("Successfully parsed bad query");
System.Environment.Exit(1);
} catch (System.Exception e) {
if (e.Message != "QueryParserError: Syntax: <expression> AND <expression>")
{
System.Console.WriteLine("Exception string not as expected, got: '" + e.Message + "'");
System.Environment.Exit(1);
}
}
{
Xapian.QueryParser qp = new Xapian.QueryParser();
// FIXME: It would be better if the (uint) cast wasn't required
// here.
qp.ParseQuery("hello world", (uint)Xapian.QueryParser.feature_flag.FLAG_BOOLEAN);
}
if (Xapian.Query.MatchAll.GetDescription() != "Xapian::Query(<alldocuments>)")
{
System.Console.WriteLine("Unexpected Query.MatchAll.toString()");
System.Environment.Exit(1);
}
if (Xapian.Query.MatchNothing.GetDescription() != "Xapian::Query()")
{
System.Console.WriteLine("Unexpected Query.MatchNothing.toString()");
System.Environment.Exit(1);
}
// Check that OP_ELITE_SET works (in 0.9.6 and earlier it had the
// wrong value in C#).
try {
Xapian.Query foo = new Xapian.Query(Xapian.Query.op.OP_OR, "hello", "world");
Xapian.Query foo2 = new Xapian.Query(Xapian.Query.op.OP_ELITE_SET, foo, foo);
foo = foo2; // Avoid "unused variable" warning.
} catch (System.Exception e) {
System.Console.WriteLine("Using OP_ELITE_SET cause exception '" + e.Message + "'");
System.Environment.Exit(1);
}
// Feature test for MatchDecider.
doc = new Xapian.Document();
doc.SetData("Two");
doc.AddPosting(stem.Apply("out"), 1);
doc.AddPosting(stem.Apply("source"), 2);
doc.AddValue(0, "yes");
db.AddDocument(doc);
Xapian.Query query = new Xapian.Query(stem.Apply("out"));
Xapian.Enquire enquire = new Xapian.Enquire(db);
enquire.SetQuery(query);
Xapian.MSet mset = enquire.GetMSet(0, 10, null, new TestMatchDecider());
if (mset.Size() != 1)
{
System.Console.WriteLine("MatchDecider found " + mset.Size().ToString() + " documents, expected 1");
System.Environment.Exit(1);
}
if (mset.GetDocId(0) != 2)
{
System.Console.WriteLine("MatchDecider mset has wrong docid in");
System.Environment.Exit(1);
}
// Test setting and getting metadata
if (db.GetMetadata("Foo") != "")
{
System.Console.WriteLine("db.GetMetadata(\"Foo\") returned wrong value \"" + db.GetMetadata("Foo") + "\" - expected \"\"");
System.Environment.Exit(1);
}
db.SetMetadata("Foo", "Foo");
if (db.GetMetadata("Foo") != "Foo")
{
System.Console.WriteLine("db.GetMetadata(\"Foo\") returned wrong value \"" + db.GetMetadata("Foo") + "\" - expected \"Foo\"");
System.Environment.Exit(1);
}
// Test OP_SCALE_WEIGHT and corresponding constructor
Xapian.Query query4 = new Xapian.Query(Xapian.Query.op.OP_SCALE_WEIGHT, new Xapian.Query("foo"), 5.0);
if (query4.GetDescription() != "Xapian::Query(5 * foo)")
{
System.Console.WriteLine("Unexpected query4.GetDescription()");
System.Environment.Exit(1);
}
} catch (System.Exception e) {
System.Console.WriteLine("Exception: " + e.ToString());
System.Environment.Exit(1);
}
}
public MSet GetMSet(uint first, uint maxitems, RSet omrset)
{
MSet ret = new MSet(XapianPINVOKE.Enquire_GetMSet__SWIG_6(swigCPtr, first, maxitems, RSet.getCPtr(omrset)), true);
if (XapianPINVOKE.SWIGPendingException.Pending) throw XapianPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public MSet GetMSet(uint first, uint maxitems, uint checkatleast, RSet omrset, MatchDecider mdecider, MatchDecider matchspy)
{
MSet ret = new MSet(XapianPINVOKE.Enquire_GetMSet__SWIG_4(swigCPtr, first, maxitems, checkatleast, RSet.getCPtr(omrset), MatchDecider.getCPtr(mdecider), MatchDecider.getCPtr(matchspy)), true);
if (XapianPINVOKE.SWIGPendingException.Pending) throw XapianPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public MSet GetMSet(uint first, uint maxitems, uint checkatleast)
{
MSet ret = new MSet(XapianPINVOKE.Enquire_GetMSet__SWIG_2(swigCPtr, first, maxitems, checkatleast), true);
if (XapianPINVOKE.SWIGPendingException.Pending) throw XapianPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
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 MSet(MSet other)
: this(XapianPINVOKE.new_MSet__SWIG_1(MSet.getCPtr(other)), true)
{
if (XapianPINVOKE.SWIGPendingException.Pending) throw XapianPINVOKE.SWIGPendingException.Retrieve();
}
internal static HandleRef getCPtr(MSet obj)
{
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}