/// <summary>
/// Creates a grams object for the given gramsType and language
/// returns null if not possible
/// </summary>
/// <param name="gramsType"></param>
/// <param name="language"></param>
/// <param name="useSpaces"></param>
/// <returns></returns>
public static Grams CreateNGrams(GramsType gramsType, string language, bool useSpaces = false)
{
try
{
switch (gramsType)
{
case GramsType.Unigrams:
return(new Unigrams(language, useSpaces));
case GramsType.Bigrams:
return(new Bigrams(language, useSpaces));
case GramsType.Trigrams:
return(new Trigrams(language, useSpaces));
case GramsType.Tetragrams:
return(new Tetragrams(language, useSpaces));
case GramsType.Pentragrams:
return(new Pentagrams(language, useSpaces));
}
}
catch (Exception)
{
//can not create grams
}
return(null);
}
/// <summary>
/// Creates a Grams object based on the given parameters
/// </summary>
/// <param name="languageId"></param>
/// <param name="gramsType"></param>
/// <param name="useSpaces"></param>
/// <returns></returns>
public static Grams CreateGrams(int languageId, GramsType gramsType, bool useSpaces)
{
switch (gramsType)
{
case GramsType.Unigrams: // 1
return(new Unigrams(LanguageCode(languageId), useSpaces));
case GramsType.Bigrams: // 2
return(new Bigrams(LanguageCode(languageId), useSpaces));
case GramsType.Trigrams: // 3
return(new Trigrams(LanguageCode(languageId), useSpaces));
case GramsType.Tetragrams: // 4
return(new Tetragrams(LanguageCode(languageId), useSpaces));
case GramsType.Pentragrams: // 5
default: // our default ngram size in CT2 is 5
return(new Pentagrams(LanguageCode(languageId), useSpaces));
case GramsType.Hexagrams: // 6
return(new Hexagrams(LanguageCode(languageId), useSpaces));
}
}
/// <summary>
/// Creates a Grams object based on the given parameters
/// </summary>
/// <param name="languageCode"></param>
/// <param name="gramsType"></param>
/// <param name="useSpaces"></param>
/// <returns></returns>
public static Grams CreateGrams(string languageCode, GramsType gramsType, bool useSpaces)
{
return(CreateGrams(LanguageId(languageCode), gramsType, useSpaces));
}
