private static TextCaseClassification MergeClassifications(TextCaseClassification a, TextCaseClassification b)
{
if (a == b || b == TextCaseClassification.Unknown)
{
return(a);
}
if (a == TextCaseClassification.Unknown)
{
return(b);
}
// they are not equal and are either mixed, upper, or lower so combined they must be mixed
return(TextCaseClassification.Mixed);
}
/// <summary>
/// Force the casing of the first character in a string to the desired case.
/// </summary>
/// <param name="text">The text to adjust.</param>
/// <param name="textCase">The case to adjust the first letter to.</param>
/// <returns>The adjusted string.</returns>
protected static string ForceFirstCharCase(string text, TextCaseClassification textCase)
{
if (String.IsNullOrEmpty(text))
{
return(text);
}
char firstLetter;
switch (textCase)
{
case TextCaseClassification.Upper: { firstLetter = Char.ToUpper(text[0]); break; }
case TextCaseClassification.Lower: { firstLetter = Char.ToLower(text[0]); break; }
default: return(text);
}
if (firstLetter == text[0])
{
return(text); // it was already correct, so just return it
}
return(String.Concat(firstLetter, text.Length > 1 ? text.Substring(1) : String.Empty));
}