// called by the fallback mechanism
private protected sealed override unsafe int GetCharsFast(byte *pBytes, int bytesLength, char *pChars, int charsLength, out int bytesConsumed)
{
int charsWritten = Math.Min(bytesLength, charsLength);
Latin1Utility.WidenLatin1ToUtf16(pBytes, pChars, (uint)charsWritten);
bytesConsumed = charsWritten;
return(charsWritten);
}
private unsafe int GetCharsCommon(byte *pBytes, int byteCount, char *pChars, int charCount)
{
// Common helper method for all non-DecoderNLS entry points to GetChars.
// A modification of this method should be copied in to each of the supported encodings: ASCII, UTF8, UTF16, UTF32.
Debug.Assert(byteCount >= 0, "Caller shouldn't specify negative length buffer.");
Debug.Assert(pBytes != null || byteCount == 0, "Input pointer shouldn't be null if non-zero length specified.");
Debug.Assert(charCount >= 0, "Caller shouldn't specify negative length buffer.");
Debug.Assert(pChars != null || charCount == 0, "Input pointer shouldn't be null if non-zero length specified.");
// If we already know ahead of time that the destination buffer isn't large enough to hold
// the widened data, fail immediately.
if (byteCount > charCount)
{
ThrowCharsOverflow();
}
Latin1Utility.WidenLatin1ToUtf16(pBytes, pChars, (uint)byteCount);
return(byteCount);
}
