public static RightToLeftTextType GetRightToLeftTextType(string str)
{
string splitters = GetSplittersInThatString(str);
string[] str_array = str.Split(splitters.ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
for (int i = 0; i < str_array.Length; ++i)
{
if (str_array[i].Equals(string.Empty))
{
continue;
}
if (ArabicLigaturizer.IsArabic(str_array[i][0]))
{
return(RightToLeftTextType.Arabic);
}
if (HebrewLigaturizer.IsHebrew((str_array[i][0])))
{
return(RightToLeftTextType.Hebrew);
}
}
return(RightToLeftTextType.None);
}
public static string RightToLeftConvert(string init_str, RightToLeftTextType type)
{
if (init_str.Contains(" "))
{
throw new ArgumentException("This is not one word!");
}
// TODO: before shaping maybe unshape initial string
char[] dest = new char[init_str.Length];
int destLength = 0;
switch (type)
{
case RightToLeftTextType.Arabic:
destLength = ArabicLigaturizer.Arabic_Shape(init_str.ToCharArray(), 0, init_str.Length, dest, 0, 0, 0);
break;
case RightToLeftTextType.Hebrew:
destLength = HebrewLigaturizer.Hebrew_Shape(init_str.ToCharArray(), 0, init_str.Length, dest, 0, 0, 0);
break;
}
return(new string(dest, 0, destLength));
}
public static bool IsRightToLeftMark(char s)
{
if (HebrewLigaturizer.IsHebrewPoint(s) ||
HebrewLigaturizer.IsHebrewCantillationMark(s))
{
return(true);
}
if (ArabicLigaturizer.IsArabicHonorific(s) ||
ArabicLigaturizer.IsArabicAnnotationSigns(s) ||
ArabicLigaturizer.IsArabicPoint(s) ||
ArabicLigaturizer.IsArabicMark(s))
{
return(true);
}
return(false);
}
public static string GetAppropriateFormWord(string word)
{
if (word.Length == 0)
{
return(word);
}
string ret_word = word;
char s = word[0];
if (!HebrewLigaturizer.IsHebrew(s) && !ArabicLigaturizer.IsArabic(s))
{
return(ret_word);
}
if (HebrewLigaturizer.IsHebrew(s))
{
ret_word = Normalizer.RightToLeftConvert(word, RightToLeftTextType.Hebrew);
}
else if (ArabicLigaturizer.IsArabic(s))
{
ret_word = Normalizer.RightToLeftConvert(word, RightToLeftTextType.Arabic);
}
if (!ret_word.Equals(word))
{
string norm_word = word.Normalize(NormalizationForm.FormKD);
string norm_ret_word = ret_word.Normalize(NormalizationForm.FormKD);
if (norm_ret_word != norm_word)
{
// throw new Exception("Exception at the string normalization process.");
return(word);
}
}
return(ret_word);
}
