// Get the bytes that result from encoding a character buffer.
public unsafe override int GetBytesImpl(char *chars, int charCount, byte *bytes, int byteCount)
{
EncoderFallbackBuffer buffer = null;
DbcsConvert convert = GetConvert();
int end = charCount;
int charIndex = 0;
int byteIndex = 0;
int origIndex = byteIndex;
for (int i = charIndex; i < end; i++, charCount--)
{
char c = chars [i];
if (c <= 0x80 || c == 0xFF) // ASCII
{
bytes [byteIndex++] = (byte)c;
continue;
}
byte b1 = convert.u2n [((int)c) * 2 + 1];
byte b2 = convert.u2n [((int)c) * 2];
if (b1 == 0 && b2 == 0)
{
HandleFallback(ref buffer, chars, ref i, ref charCount, bytes, ref byteIndex, ref byteCount, null);
}
else
{
bytes [byteIndex++] = b1;
bytes [byteIndex++] = b2;
}
}
return(byteIndex - origIndex);
}
// Get the bytes that result from encoding a character buffer.
public unsafe override int GetByteCountImpl(char *chars, int charCount)
{
DbcsConvert convert = GetConvert();
int index = 0;
int length = 0;
while (charCount-- > 0)
{
char c = chars [index++];
if (c <= 0x80 || c == 0xFF) // ASCII
{
length++;
continue;
}
byte b1 = convert.u2n [((int)c) * 2 + 1];
byte b2 = convert.u2n [((int)c) * 2];
if (b1 == 0 && b2 == 0)
{
// FIXME: handle fallback for GetByteCountImpl().
length++;
}
else
{
length += 2;
}
}
return(length);
}
// Constructor.
public DbcsDecoder(DbcsConvert convert)
{
this.convert = convert;
}
// Constructor.
public KoreanDecoder (DbcsConvert convert, bool useUHC) : base (convert)
{
this.useUHC = useUHC;
}
// Constructor.
public CP950Decoder(DbcsConvert convert) : base(convert)
{
}
// Constructor.
public DbcsDecoder (DbcsConvert convert)
{
this.convert = convert;
}
// Constructor.
public CP950Decoder (DbcsConvert convert) : base (convert)
{
}
// Constructor.
public KoreanDecoder(DbcsConvert convert, bool useUHC) : base(convert)
{
this.useUHC = useUHC;
}