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 string ReDecodeConvertedStringAsUtf8(StringSlice decoded, Encoding encoding)
{
if (Encoding.UTF8.Equals(encoding))
{
return(decoded.ToString());
}
if (decoded.IsFullString)
{
return(ReDecodeConvertedStringAsUtf8(decoded.Text, encoding));
}
var encodedBytes = new byte[encoding.GetMaxByteCount(decoded.Length)];
var byteEncodedCount = encoding.GetBytes(decoded.Text, decoded.Offset, decoded.Length, encodedBytes, 0);
return(Encoding.UTF8.GetString(encodedBytes, 0, byteEncodedCount));
}
public static Encoding GetEncodingByName(StringSlice encodingName)
{
if (encodingName.IsEmpty)
{
return(null);
}
if (encodingName.Equals("UTF-8", StringComparison.OrdinalIgnoreCase) || encodingName.Equals("UTF8", StringComparison.OrdinalIgnoreCase))
{
return(Encoding.UTF8);
}
var encodingNameString = encodingName.ToString();
try
{
return(Encoding.GetEncoding(encodingNameString));
}
catch (ArgumentException)
{
return(GetEncodingByAlternateNames(encodingNameString));
}
}
public static bool TryParseInvariant(StringSlice text, out int value) => int.TryParse(text.ToString(), NumberStyles.Integer, InvariantNumberFormat, out value);