public static string SpellCheck(this SpellChecker.Net.Search.Spell.SpellChecker spellChecker, string terms)
{
var splitTerms = terms.Split(new[] { " " }, StringSplitOptions.RemoveEmptyEntries).ToList();
var checkedTerms = spellChecker.SpellCheck(splitTerms);
return(string.Join(" ", checkedTerms));
}
public static string DidYouMean(string query)
{
List<string> suggestions = new List<string>();
string[] wordsToSpell = query.Split(new[] { ' ' });
var spell = new SpellChecker.Net.Search.Spell.SpellChecker(SearchEnvironment.SpellIndexDir);
spell.setStringDistance(new SpellChecker.Net.Search.Spell.LevenshteinDistance());
foreach (var word in wordsToSpell)
{
suggestions.Add(spell.SuggestSimilar(word, 5).ToList().FirstOrDefault() ?? word);
}
string didYouMean = query;
if (suggestions.Count > 0)
didYouMean = String.Empty;
foreach (var suggested in suggestions)
{
didYouMean += suggested + " ";
}
var trimmed = didYouMean.TrimEnd();
if (string.Compare(query, trimmed, true, CultureInfo.InvariantCulture) == 0)
return String.Empty;
return trimmed;
}
private void InitializeSpellChecker()
{
if (SpellChecker != null) return;
var di = DictionaryBuilder.CreateTargetFolder(_pathToDictDir);
SpellChecker = new SpellChecker.Net.Search.Spell.SpellChecker(FSDirectory.Open(di));
InitSuggestionListFromFile();
}
public static List <string> SpellCheck(this SpellChecker.Net.Search.Spell.SpellChecker spellChecker, List <string> terms)
{
var checkedTerms = new List <string>();
foreach (var term in terms)
{
if (!StopAnalyzer.ENGLISH_STOP_WORDS_SET.Contains(term) && !spellChecker.Exist(term))
{
checkedTerms.Add(spellChecker.SuggestSimilar(term, 7, null, null, true).FirstOrDefault() ?? term);
}
else
{
checkedTerms.Add(term);
}
}
return(checkedTerms);
}
public virtual void SetUp()
{
//create a user index
userindex = new RAMDirectory();
IndexWriter writer = new IndexWriter(userindex, new SimpleAnalyzer(), true);
for (int i = 0; i < 1000; i++)
{
Document doc = new Document();
doc.Add(new Field("field1", English.IntToEnglish(i), Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("field2", English.IntToEnglish(i + 1), Field.Store.YES, Field.Index.TOKENIZED)); // + word thousand
writer.AddDocument(doc);
}
writer.Close();
// create the spellChecker
spellindex = new RAMDirectory();
spellChecker = new SpellChecker.Net.Search.Spell.SpellChecker(spellindex);
}
public virtual void SetUp()
{
//create a user index
userindex = new RAMDirectory();
IndexWriter writer = new IndexWriter(userindex, new SimpleAnalyzer(), true);
for (int i = 0; i < 1000; i++)
{
Document doc = new Document();
doc.Add(new Field("field1", English.IntToEnglish(i), Field.Store.YES, Field.Index.TOKENIZED));
doc.Add(new Field("field2", English.IntToEnglish(i + 1), Field.Store.YES, Field.Index.TOKENIZED)); // + word thousand
writer.AddDocument(doc);
}
writer.Close();
// create the spellChecker
spellindex = new RAMDirectory();
spellChecker = new SpellChecker.Net.Search.Spell.SpellChecker(spellindex);
}
public string GetSuggestion(string searchText)
{
string result = string.Empty;
using (var reader = IndexReader.Open(_indexDirectoryPath, true))
{
var spellchecker = new SpellChecker.Net.Search.Spell.SpellChecker(_indexDirectoryPath);
spellchecker.IndexDictionary(new SpellChecker.Net.Search.Spell.LuceneDictionary(reader, "SpecialtyName"));
//spellchecker.IndexDictionary(new SpellChecker.Net.Search.Spell.LuceneDictionary(reader, "City"));
searchText.Split(' ')
.ToList()
.ForEach(word =>
{
result += (spellchecker.SuggestSimilar(word, 1).FirstOrDefault() ?? word) + " ";
});
}
return result.Trim();
}
public PreFilter(TokenStream in_Renamed, LuceneSpellChecker spellChecker, int numberOfSuggestions)
: base(in_Renamed)
{
SpellChecker = spellChecker;
NumberOfSuggestions = numberOfSuggestions;
}
public StemmerCompareAnalyzer(ISet <string> stopWords, LuceneSpellChecker spellChecker, int numberOfSuggestion)
{
StopWords = stopWords;
SpellChecker = spellChecker;
NumberOfSuggestions = numberOfSuggestion;
}
