return DbcsConvert.Big5;
}
+#if !DISABLE_UNSAFE
// Get the bytes that result from encoding a character buffer.
public unsafe override int GetByteCountImpl (char* chars, int count)
{
DbcsConvert convert = GetConvert ();
int index = 0;
int length = 0;
-#if NET_2_0
- EncoderFallbackBuffer buffer = null;
-#endif
while (count-- > 0) {
char c = chars[index++];
byte b1 = convert.u2n[((int)c) * 2 + 1];
byte b2 = convert.u2n[((int)c) * 2];
if (b1 == 0 && b2 == 0) {
-#if NET_2_0
// FIXME: handle fallback for GetByteCountImpl().
length++;
-#else
- length++;
-#endif
}
else
length += 2;
DbcsConvert convert = GetConvert ();
int charIndex = 0;
int byteIndex = 0;
-#if NET_2_0
+ int end = charCount;
EncoderFallbackBuffer buffer = null;
-#endif
int origIndex = byteIndex;
- while (charCount-- > 0) {
- char c = chars[charIndex++];
+ 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) {
-#if NET_2_0
HandleFallback (ref buffer, chars,
- ref charIndex, ref charCount,
- bytes, ref byteIndex, ref byteCount);
-#else
- bytes[byteIndex++] = (byte)'?';
-#endif
+ ref i, ref charCount,
+ bytes, ref byteIndex, ref byteCount, null);
} else {
bytes[byteIndex++] = b1;
bytes[byteIndex++] = b2;
}
return byteIndex - origIndex;
}
-
+#else
+ // Get the bytes that result from encoding a character buffer.
+ public override int GetByteCount(char[] chars, int index, int count)
+ {
+ DbcsConvert convert = GetConvert();
+ int length = 0;
+
+ while (count-- > 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;
+ }
+
+ // 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;
+ int end = charIndex + charCount;
+
+ DbcsConvert convert = GetConvert();
+ EncoderFallbackBuffer buffer = null;
+
+ 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;
+ }
+#endif
// Get the characters that result from decoding a byte buffer.
public override int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex)
return GetCharCount (bytes, index, count, false);
}
-#if NET_2_0
public override
-#endif
int GetCharCount (byte[] bytes, int index, int count, bool refresh)
{
CheckRange (bytes, index, count);
return GetChars (bytes, byteIndex, byteCount, chars, charIndex, false);
}
-#if NET_2_0
public override
-#endif
int GetChars(byte[] bytes, int byteIndex, int byteCount,
char[] chars, int charIndex, bool refresh)
{