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8166339: Code conversion working behavior was changed for x-IBM834

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Reviewed-by: coffeys
This commit is contained in:
Xueming Shen 2018-01-31 08:42:59 -08:00
parent 967599181a
commit 46d5554295
2 changed files with 30 additions and 8 deletions
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13
src/java.base/share/classes/sun/nio/cs/DoubleByte.java
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@ -236,10 +236,8 @@ public class DoubleByte {
int b2 = src[sp++] & 0xff;
if (b2 < b2Min || b2 > b2Max ||
(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) {
if (b2c[b1] == B2C_UNMAPPABLE || // isNotLeadingByte
b2c[b2] != B2C_UNMAPPABLE || // isLeadingByte
decodeSingle(b2) != UNMAPPABLE_DECODING) {
sp--;
if (crMalformedOrUnmappable(b1, b2).length() == 1) {
sp--;
}
}
}
@ -472,6 +470,13 @@ public class DoubleByte {
b2cSB_UNMAPPABLE = new char[0x100];
Arrays.fill(b2cSB_UNMAPPABLE, UNMAPPABLE_DECODING);
}
// always returns unmappableForLenth(2) for doublebyte_only
@Override
protected CoderResult crMalformedOrUnmappable(int b1, int b2) {
return CoderResult.unmappableForLength(2);
}
public Decoder_DBCSONLY(Charset cs, char[][] b2c, char[] b2cSB, int b2Min, int b2Max,
boolean isASCIICompatible) {
super(cs, 0.5f, 1.0f, b2c, b2cSB_UNMAPPABLE, b2Min, b2Max, isASCIICompatible);