public IEnumerable<DefinitionGroup> GetDefinitions(string word)
{
word = word.ToLowerInvariant();
var definitions = new List<DefinitionGroup>();
var parts = GetDefinitionParts(word);
definitions.AddRange(parts.Select(part => new DefinitionGroup(new[] { part })));
// try `-ne` and `-que`
foreach (var enc in Enclitics)
{
if (word.EndsWith(enc))
{
var baseWord = word.Substring(0, word.Length - enc.Length);
var entry = GetEnclitic(enc);
var encliticStem = entry.GetStems().Single();
var encliticDefined = new DefinitionPart(encliticStem, new Span(baseWord.Length, enc.Length), entry.GetStems().SelectMany(s => s.GetForms()));
var baseMatches = GetDefinitionParts(baseWord);
foreach (var baseMatch in baseMatches)
{
definitions.Add(new DefinitionGroup(new[] { baseMatch, encliticDefined }));
}
}
}
return definitions;
}
private IEnumerable<DefinitionPart> GetDefinitionParts(string word)
{
var result = new List<DefinitionPart>();
var matchingStems = _stemCache.GetValues(word);
foreach (var stem in matchingStems)
{
var forms = new List<WordForm>();
if (word.StartsWith(stem.StemPart))
{
foreach (var form in stem.GetForms())
{
if (word.Length == form.Stem.StemPart.Length + form.Suffix.Length && word.EndsWith(form.Suffix))
{
forms.Add(form);
}
}
}
if (forms.Count > 0)
{
var part = new DefinitionPart(stem, new Span(0, word.Length), forms);
result.Add(part);
}
}
return result;
}