bool useUHC;
+#if !DISABLE_UNSAFE
// Get the bytes that result from encoding a character buffer.
public unsafe override int GetByteCountImpl (char* chars, int count)
{
int index = 0;
int length = 0;
DbcsConvert convert = GetConvert ();
-#if NET_2_0
- EncoderFallbackBuffer buffer = null;
-#endif
// 00 00 - FF FF
while (count-- > 0) {
if (b1 == 0 && b2 == 0) {
#if NET_2_0
HandleFallback (ref buffer, chars, ref charIndex, ref charCount,
- bytes, ref byteIndex, ref byteCount);
+ bytes, ref byteIndex, ref byteCount, null);
#else
bytes[byteIndex++] = (byte)'?';
#endif
}
return byteIndex - origIndex;
}
+#else
+ // Get the bytes that result from encoding a character buffer.
+ public override int GetByteCount(char[] chars, int index, int count)
+ {
+ int length = 0;
+ DbcsConvert convert = GetConvert();
+
+ // 00 00 - FF FF
+ while (count-- > 0)
+ {
+ char c = chars[index++];
+ if (c <= 0x80 || c == 0xFF)
+ { // ASCII
+ length++;
+ continue;
+ }
+ byte b1 = convert.u2n[((int)c) * 2];
+ byte b2 = convert.u2n[((int)c) * 2 + 1];
+ if (b1 == 0 && b2 == 0)
+ {
+#if NET_2_0
+ // FIXME: handle fallback for GetByteCountImpl().
+ length++;
+#else
+ length++;
+#endif
+ }
+ else
+ length += 2;
+ }
+ return length;
+ }
+
+ // Get the bytes that result from encoding a character buffer.
+ public override int GetBytes(char[] chars, int charIndex, int charCount, byte[] bytes, int byteIndex)
+ {
+ int byteCount = bytes.Length;
+
+ DbcsConvert convert = GetConvert();
+#if NET_2_0
+ EncoderFallbackBuffer buffer = null;
+#endif
- // Get the characters that result from decoding a byte buffer.
+ // 00 00 - FF FF
+ int origIndex = byteIndex;
+ while (charCount-- > 0)
+ {
+ char c = chars[charIndex++];
+ if (c <= 0x80 || c == 0xFF)
+ { // ASCII
+ bytes[byteIndex++] = (byte)c;
+ continue;
+ }
+ byte b1 = convert.u2n[((int)c) * 2];
+ byte b2 = convert.u2n[((int)c) * 2 + 1];
+ if (b1 == 0 && b2 == 0)
+ {
+#if NET_2_0
+ HandleFallback (ref buffer, chars, ref charIndex, ref charCount,
+ bytes, ref byteIndex, ref byteCount, null);
+#else
+ bytes[byteIndex++] = (byte)'?';
+#endif
+ }
+ else
+ {
+ bytes[byteIndex++] = b1;
+ bytes[byteIndex++] = b2;
+ }
+ }
+ return byteIndex - origIndex;
+ }
+#endif
+ // Get the characters that result from decoding a byte buffer.
public override int GetCharCount (byte[] bytes, int index, int count)
{
return GetDecoder ().GetCharCount (bytes, index, count);