internal static int GetUtf8FromText(ReadOnlySpan <char> text, Span <byte> dest)
{
try
{
#if BUILDING_INBOX_LIBRARY
return(s_utf8Encoding.GetBytes(text, dest));
#else
if (text.IsEmpty)
{
return(0);
}
unsafe
{
fixed(char *charPtr = text)
fixed(byte *destPtr = dest)
{
return(s_utf8Encoding.GetBytes(charPtr, text.Length, destPtr, dest.Length));
}
}
#endif
}
catch (EncoderFallbackException ex)
{
// We want to be consistent with the exception being thrown
// so the user only has to catch a single exception.
// Since we already throw ArgumentException when validating other arguments,
// using that exception for failure to encode invalid UTF-16 chars as well.
// Therefore, wrapping the EncoderFallbackException around an ArgumentException.
throw ThrowHelper.GetArgumentException_ReadInvalidUTF16(ex);
}
}
