private bool IsCK(HomophoneGroup homophoneGroup)
{
List<string> wordList = new List<string>(homophoneGroup);
if (wordList.Count == 2)
{
if (wordList[0].Replace('c', 'k') == wordList[1])
{
return true;
}
else if (wordList[0].Replace('k', 'c') == wordList[1])
{
return true;
}
}
return false;
}
private bool IsChsChes(HomophoneGroup homophoneGroup)
{
List<string> wordList = new List<string>(homophoneGroup);
if (wordList.Count == 2)
{
if (wordList[0].Length > 3 && wordList[1].Length > 3)
{
if (wordList[0].EndsWith("ches") && wordList[1].EndsWith("chs"))
{
return true;
}
else if (wordList[0].EndsWith("chs") && wordList[1].EndsWith("ches"))
{
return true;
}
}
}
return false;
}
private void Trim(HomophoneGroup homophoneGroup)
{
if (homophoneGroup.Count < 2)
return;
HashSet<string> beginingList = new HashSet<string>();
IEnumerable<string> sortedWordListByLength = from word in homophoneGroup orderby word.Length select word;
foreach (string word in sortedWordListByLength)
{
if (word.Length > beginingLength)
{
if (word.StartsWith(beginingList))
{
homophoneGroup.Remove(word);
}
else
{
beginingList.Add(word.Substring(0, 3));
}
}
}
}
private bool IsDesiredHomophoneGroup(HomophoneGroup homophoneGroup)
{
return IsOrEr(homophoneGroup) ||
IsIseIze(homophoneGroup) ||
IsIseIzed(homophoneGroup) ||
IsSC(homophoneGroup) ||
IsNsNes(homophoneGroup) ||
IsMsMes(homophoneGroup) ||
IsLsLes(homophoneGroup) ||
IsKsKes(homophoneGroup) ||
IsChsChes(homophoneGroup) ||
IsRsRes(homophoneGroup) ||
IsDsDes(homophoneGroup) ||
IsYsYes(homophoneGroup) ||
IsBsBes(homophoneGroup) ||
IsGsGes(homophoneGroup) ||
IsHsHes(homophoneGroup) ||
IsWsWes(homophoneGroup) ||
IsXsXes(homophoneGroup) ||
IsTsTes(homophoneGroup) ||
IsFsFes(homophoneGroup) ||
IsSingZing(homophoneGroup) ||
IsIY(homophoneGroup) ||
IsCK(homophoneGroup) ||
IsVW(homophoneGroup) ||
IsFPh(homophoneGroup) ||
IsOsOes(homophoneGroup);
}
private bool IsSingZing(HomophoneGroup homophoneGroup)
{
List<string> wordList = new List<string>(homophoneGroup);
if (wordList.Count == 2)
{
if (wordList[0].Length > 4 && wordList[1].Length > 4)
{
if (wordList[0].EndsWith("zing") && wordList[1].EndsWith("sing"))
{
return true;
}
else if (wordList[0].EndsWith("sing") && wordList[1].EndsWith("zing"))
{
return true;
}
}
}
return false;
}
private bool IsSC(HomophoneGroup homophoneGroup)
{
List<string> wordList = new List<string>(homophoneGroup);
if (wordList.Count == 2)
{
if (wordList[0].Length > 1 && wordList[1].Length == wordList[0].Length)
{
if (wordList[0].Substring(1) == wordList[1].Substring(1))
{
if (wordList[0].StartsWith("s") && wordList[1].StartsWith("c"))
{
return true;
}
else if (wordList[0].StartsWith("c") && wordList[1].StartsWith("s"))
{
return true;
}
}
}
}
return false;
}
private bool IsOrEr(HomophoneGroup homophoneGroup)
{
List<string> wordList = new List<string>(homophoneGroup);
if (wordList.Count == 2)
{
if (wordList[0].Length > 2 && wordList[1].Length == wordList[0].Length)
{
if (wordList[0].Substring(0, wordList[0].Length - 2) == wordList[1].Substring(0, wordList[1].Length - 2))
{
if (wordList[0].EndsWith("er") && wordList[1].EndsWith("or"))
{
return true;
}
else if (wordList[0].EndsWith("or") && wordList[1].EndsWith("er"))
{
return true;
}
}
}
}
return false;
}
private bool IsIseIzed(HomophoneGroup homophoneGroup)
{
List<string> wordList = new List<string>(homophoneGroup);
if (wordList.Count == 2)
{
if (wordList[0].Length > 4 && wordList[1].Length == wordList[0].Length)
{
if (wordList[0].Substring(0, wordList[0].Length - 4) == wordList[1].Substring(0, wordList[1].Length - 4))
{
if (wordList[0].EndsWith("ised") && wordList[1].EndsWith("ized"))
{
return true;
}
else if (wordList[0].EndsWith("ized") && wordList[1].EndsWith("ised"))
{
return true;
}
}
}
}
return false;
}
private bool IsFPh(HomophoneGroup homophoneGroup)
{
List<string> wordList = new List<string>(homophoneGroup);
if (wordList.Count == 2)
{
if (wordList[0].Replace("f", "ph") == wordList[1])
{
return true;
}
else if (wordList[0].Replace("ph", "f") == wordList[1])
{
return true;
}
}
return false;
}
/// <summary>
/// Whether word variant is matching ending type
/// </summary>
/// <param name="wordVariant">word variant</param>
/// <param name="homophoneGroup">homophone group</param>
/// <returns>Whether word variant is matching ending type</returns>
private bool IsMatchEndingType(string wordVariant, HomophoneGroup homophoneGroup)
{
return IsMatchEndingType(wordVariant, homophoneGroup.GetShortestVariant(wordVariant)) || IsMatchPhoneticEnding(homophoneGroup.PhoneticValue);
}
