public static string MakeInitCap(StringSlice s, TextInfo textInfo)
{
#if DEBUG
if (textInfo == null)
{
throw new ArgumentNullException(nameof(textInfo));
}
#endif
if (s.Length == 0)
{
return(string.Empty);
}
var actualFirstLetter = s.First();
var expectedFirstLetter = textInfo.ToUpper(actualFirstLetter);
if (expectedFirstLetter == actualFirstLetter)
{
return(s.ToString());
}
if (s.Length == 1)
{
return(expectedFirstLetter.ToString());
}
var builder = StringBuilderPool.Get(s);
builder[0] = expectedFirstLetter;
return(StringBuilderPool.GetStringAndReturn(builder));
}
public static CapitalizationType GetCapitalizationType(StringSlice word, TextInfo textInfo)
{
if (word.IsEmpty)
{
return(CapitalizationType.None);
}
var hasFoundMoreCaps = false;
var firstIsUpper = false;
var hasLower = false;
var c = word.First();
if (char.IsUpper(c))
{
firstIsUpper = true;
}
else if (CharIsNotNeutral(c, textInfo))
{
hasLower = true;
}
var wordIndexLimit = word.Length + word.Offset;
for (int i = word.Offset + 1; i < wordIndexLimit; i++)
{
c = word.Text[i];
if (!hasFoundMoreCaps && char.IsUpper(c))
{
hasFoundMoreCaps = true;
if (hasLower)
{
break;
}
}
else if (!hasLower && CharIsNotNeutral(c, textInfo))
{
hasLower = true;
if (hasFoundMoreCaps)
{
break;
}
}
}
if (firstIsUpper)
{
if (!hasFoundMoreCaps)
{
return(CapitalizationType.Init);
}
if (!hasLower)
{
return(CapitalizationType.All);
}
return(CapitalizationType.HuhInit);
}
else
{
if (!hasFoundMoreCaps)
{
return(CapitalizationType.None);
}
if (!hasLower)
{
return(CapitalizationType.All);
}
return(CapitalizationType.Huh);
}
}