internal static bool TryGetMatchedSuffixForWord(string word, IEnumerable <string> suffixes, CultureInfo culture, out string matchedSuffix)
{
matchedSuffix = null;
if (PluralizationServiceUtil.DoesWordContainSuffix(word, suffixes, culture))
{
matchedSuffix = suffixes.First((string s) => word.EndsWith(s, true, culture));
return(true);
}
return(false);
}
internal static bool TryInflectOnSuffixInWord(string word, IEnumerable <string> suffixes, Func <string, string> operationOnWord, CultureInfo culture, out string newWord)
{
newWord = null;
string text;
if (PluralizationServiceUtil.TryGetMatchedSuffixForWord(word, suffixes, culture, out text))
{
newWord = operationOnWord(word);
return(true);
}
return(false);
}
private string InternalSingularize(string word)
{
// words that we know of
if (_userDictionary.ExistsInSecond(word))
{
return(_userDictionary.GetFirstValue(word));
}
if (IsNoOpWord(word))
{
return(word);
}
string prefixWord, suffixWord = GetSuffixWord(word, out prefixWord);
if (IsNoOpWord(suffixWord))
{
return(prefixWord + suffixWord);
}
// handle the word that is the same as the plural form
if (IsUninflective(suffixWord))
{
return(prefixWord + suffixWord);
}
// if word is one of the known singular words, then just return
if (_knownSingluarWords.Contains(suffixWord.ToLowerInvariant()))
{
return(prefixWord + suffixWord);
}
// handle simple irregular verbs, e.g. was -> were
if (_irregularVerbPluralizationService.ExistsInSecond(suffixWord))
{
return(prefixWord + _irregularVerbPluralizationService.GetFirstValue(suffixWord));
}
// handle irregular plurals, e.g. "ox" -> "oxen"
if (_irregularPluralsPluralizationService.ExistsInSecond(suffixWord))
{
return(prefixWord + _irregularPluralsPluralizationService.GetFirstValue(suffixWord));
}
// handle singluarization for words ending with sis and pluralized to ses,
// e.g. "ses" -> "sis"
if (_wordsEndingWithSisPluralizationService.ExistsInSecond(suffixWord))
{
return(prefixWord + _wordsEndingWithSisPluralizationService.GetFirstValue(suffixWord));
}
// handle words ending with se, e.g. "ses" -> "se"
if (_wordsEndingWithSePluralizationService.ExistsInSecond(suffixWord))
{
return(prefixWord + _wordsEndingWithSePluralizationService.GetFirstValue(suffixWord));
}
string newSuffixWord;
// handle irregular inflections for common suffixes, e.g. "mouse" -> "mice"
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"men"
}, (s) => s.Remove(s.Length - 2, 2) + "an", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"lice", "mice"
}, (s) => s.Remove(s.Length - 3, 3) + "ouse", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"teeth"
}, (s) => s.Remove(s.Length - 4, 4) + "ooth", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"geese"
}, (s) => s.Remove(s.Length - 4, 4) + "oose", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"feet"
}, (s) => s.Remove(s.Length - 3, 3) + "oot", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"zoa"
}, (s) => s.Remove(s.Length - 2, 2) + "oon", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// [cs]h and ss that take es as plural form, this is being moved up since the sses will be override by the ses
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"ches", "shes", "sses"
}, (s) => s.Remove(s.Length - 2, 2), _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// handle assimilated classical inflections, e.g. vertebra -> vertebrae
if (_assimilatedClassicalInflectionPluralizationService.ExistsInSecond(suffixWord))
{
return(prefixWord + _assimilatedClassicalInflectionPluralizationService.GetFirstValue(suffixWord));
}
// Handle the classical variants of modern inflections
// CONSIDER here is the only place we took the classical variants instead of the anglicized
if (_classicalInflectionPluralizationService.ExistsInSecond(suffixWord))
{
return(prefixWord + _classicalInflectionPluralizationService.GetFirstValue(suffixWord));
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"trices"
}, (s) => s.Remove(s.Length - 3, 3) + "x", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"eaux", "ieux"
}, (s) => s.Remove(s.Length - 1, 1), _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"inges", "anges", "ynges"
}, (s) => s.Remove(s.Length - 3, 3) + "x", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// f, fe that take ves as plural form
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"alves", "elves", "olves", "eaves", "arves"
}, (s) => s.Remove(s.Length - 3, 3) + "f", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"nives", "lives", "wives"
}, (s) => s.Remove(s.Length - 3, 3) + "fe", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// y takes ys as plural form if preceded by a vowel, but ies if preceded by a consonant, e.g. stays, skies
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"ays", "eys", "iys", "oys", "uys"
}, (s) => s.Remove(s.Length - 1, 1), _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// CONSIDER proper noun handling, Marys, Tonys, ignore for now
if (suffixWord.EndsWith("ies", true, _culture))
{
return(prefixWord + suffixWord.Remove(suffixWord.Length - 3, 3) + "y");
}
// handle some of the words o -> os, and [vowel]o -> os, and the rest are o->oes
if (_oSuffixPluralizationService.ExistsInSecond(suffixWord))
{
return(prefixWord + _oSuffixPluralizationService.GetFirstValue(suffixWord));
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"aos", "eos", "ios", "oos", "uos"
}, (s) => suffixWord.Remove(suffixWord.Length - 1, 1), _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// CONSIDER limitation on the lines below, e.g. crisis -> crises -> cris
// all the word ending with sis, xis, cis, their plural form cannot be singluarized correctly,// since words ending with c and cis both will get pluralized to ces
// after searching the dictionary, the number of cis is just too small(7) that
// we treat them as special case
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"ces"
}, (s) => s.Remove(s.Length - 1, 1), _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"ces", "ses", "xes"
}, (s) => s.Remove(s.Length - 2, 2), _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (suffixWord.EndsWith("oes", true, _culture))
{
return(prefixWord + suffixWord.Remove(suffixWord.Length - 2, 2));
}
if (suffixWord.EndsWith("ss", true, _culture))
{
return(prefixWord + suffixWord);
}
if (suffixWord.EndsWith("s", true, _culture))
{
return(prefixWord + suffixWord.Remove(suffixWord.Length - 1, 1));
}
// word is a singlar
return(prefixWord + suffixWord);
}
private bool IsUninflective(string word)
{
return(PluralizationServiceUtil.DoesWordContainSuffix(word, _uninflectiveSuffixes, _culture) || (!word.ToLower(_culture).Equals(word) && word.EndsWith("ese", false, _culture)) || _uninflectiveWords.Contains(word.ToLowerInvariant()));
}
private string InternalPluralize(string word)
{
// words that we know of
if (_userDictionary.ExistsInFirst(word))
{
return(_userDictionary.GetSecondValue(word));
}
if (IsNoOpWord(word))
{
return(word);
}
string prefixWord, suffixWord = GetSuffixWord(word, out prefixWord);
// by me -> by me
if (IsNoOpWord(suffixWord))
{
return(prefixWord + suffixWord);
}
// handle the word that do not inflect in the plural form
if (IsUninflective(suffixWord))
{
return(prefixWord + suffixWord);
}
// if word is one of the known plural forms, then just return
if (_knownPluralWords.Contains(suffixWord.ToLowerInvariant()) ||
IsPlural(suffixWord))
{
return(prefixWord + suffixWord);
}
// handle irregular plurals, e.g. "ox" -> "oxen"
if (_irregularPluralsPluralizationService.ExistsInFirst(suffixWord))
{
return(prefixWord + _irregularPluralsPluralizationService.GetSecondValue(suffixWord));
}
string newSuffixWord;
// handle irregular inflections for common suffixes, e.g. "mouse" -> "mice"
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"man"
}, (s) => s.Remove(s.Length - 2, 2) + "en", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"louse", "mouse"
}, (s) => s.Remove(s.Length - 4, 4) + "ice", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"tooth"
}, (s) => s.Remove(s.Length - 4, 4) + "eeth", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"goose"
}, (s) => s.Remove(s.Length - 4, 4) + "eese", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"foot"
}, (s) => s.Remove(s.Length - 3, 3) + "eet", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"zoon"
}, (s) => s.Remove(s.Length - 3, 3) + "oa", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"cis", "sis", "xis"
}, (s) => s.Remove(s.Length - 2, 2) + "es", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// handle assimilated classical inflections, e.g. vertebra -> vertebrae
if (_assimilatedClassicalInflectionPluralizationService.ExistsInFirst(suffixWord))
{
return(prefixWord + _assimilatedClassicalInflectionPluralizationService.GetSecondValue(suffixWord));
}
// Handle the classical variants of modern inflections
// CONSIDER here is the only place we took the classical variants instead of the anglicized
if (_classicalInflectionPluralizationService.ExistsInFirst(suffixWord))
{
return(prefixWord + _classicalInflectionPluralizationService.GetSecondValue(suffixWord));
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"trix"
}, (s) => s.Remove(s.Length - 1, 1) + "ces", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"eau", "ieu"
}, (s) => s + "x", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"inx", "anx", "ynx"
}, (s) => s.Remove(s.Length - 1, 1) + "ges", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// [cs]h and ss that take es as plural form
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"ch", "sh", "ss"
}, (s) => s + "es", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// f, fe that take ves as plural form
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"alf", "elf", "olf", "eaf", "arf"
}, (s) => s.EndsWith("deaf", true, _culture) ? s : s.Remove(s.Length - 1, 1) + "ves", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"nife", "life", "wife"
}, (s) => s.Remove(s.Length - 2, 2) + "ves", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// y takes ys as plural form if preceded by a vowel, but ies if preceded by a consonant, e.g. stays, skies
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"ay", "ey", "iy", "oy", "uy"
}, (s) => s + "s", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
// CONSIDER proper noun handling, Marys, Tonys, ignore for now
if (suffixWord.EndsWith("y", true, _culture))
{
return(prefixWord + suffixWord.Remove(suffixWord.Length - 1, 1) + "ies");
}
// handle some of the words o -> os, and [vowel]o -> os, and the rest are o->oes
if (_oSuffixPluralizationService.ExistsInFirst(suffixWord))
{
return(prefixWord + _oSuffixPluralizationService.GetSecondValue(suffixWord));
}
if (PluralizationServiceUtil.TryInflectOnSuffixInWord(suffixWord, new List <string> {
"ao", "eo", "io", "oo", "uo"
}, (s) => s + "s", _culture, out newSuffixWord))
{
return(prefixWord + newSuffixWord);
}
if (suffixWord.EndsWith("o", true, _culture))
{
return(prefixWord + suffixWord + "es");
}
if (suffixWord.EndsWith("x", true, _culture))
{
return(prefixWord + suffixWord + "es");
}
// cats, bags, hats, speakers
return(prefixWord + suffixWord + "s");
}