public IEnumerable <Morpheme> FindLexemes(string word, int maxDistance)
{
using (Trace.Entering())
{
IEnumerable <Morpheme> result = Enumerable.Empty <Morpheme>();
// Try to find exact lexemes.
if (myLexemes.TryGetValues(word, out ReadOnlySet <Morpheme> lexemes))
{
result = lexemes;
}
if (maxDistance > 0)
{
// Also try to find lexemes which have similar morph.
IEnumerable <string> similarMorphs = myLexemes.Keys.FindSimilar(word, maxDistance);
if (lexemes != null)
{
// Note: skip morphemes already returned among exact lexemes.
result = result.Concat(similarMorphs.SelectMany(x => myLexemes[x].Where(y => !lexemes.Contains(y))));
}
else
{
result = result.Concat(similarMorphs.SelectMany(x => myLexemes[x]));
}
}
return(result);
}
}
public IEnumerable <Morpheme> FindNonLexemes(string morph)
{
using (Trace.Entering())
{
myNonLexemes.TryGetValues(morph, out ReadOnlySet <Morpheme> result);
return(result ?? Enumerable.Empty <Morpheme>());
}
}
public void TryGetValues()
{
MultiKeyDistinctValueDictionary <string, string> dictionary = new MultiKeyDistinctValueDictionary <string, string>()
{
{ "1", "2" },
{ "1", "3" },
{ "2", "1" },
{ "2", "2" },
};
Assert.IsFalse(dictionary.TryGetValues("bla", out ReadOnlySet <string> values));
Assert.IsTrue(dictionary.TryGetValues("1", out values));
Assert.AreEqual(2, values.Count);
Assert.IsTrue(values.Contains("2"));
Assert.IsTrue(values.Contains("3"));
}