Java Code Examples for java.nio.CharBuffer#arrayOffset()
The following examples show how to use
java.nio.CharBuffer#arrayOffset() .
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Example 1
| Source File: X11CNS11643.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
while (sp < sl) {
char c = sa[sp];
if ( c > '\u007f'&& c < '\uFFFE') {
int nb = toEUC(c, bb);
if (nb != -1) {
int p = 0;
if (nb == 4)
p = (bb[1] & 0xff) - 0xa0;
if (p == plane) {
if (dl - dp < 2)
return CoderResult.OVERFLOW;
if (nb == 2) {
da[dp++] = (byte)(bb[0] & 0x7f);
da[dp++] = (byte)(bb[1] & 0x7f);
} else {
da[dp++] = (byte)(bb[2] & 0x7f);
da[dp++] = (byte)(bb[3] & 0x7f);
}
sp++;
continue;
}
}
}
return CoderResult.unmappableForLength(1);
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 2
| Source File: US_ASCII.java From jdk8u_jdk with GNU General Public License v2.0 | 5 votes |
|
private CoderResult decodeArrayLoop(ByteBuffer src,
CharBuffer dst)
{
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
byte b = sa[sp];
if (b >= 0) {
if (dp >= dl)
return CoderResult.OVERFLOW;
da[dp++] = (char)b;
sp++;
continue;
}
return CoderResult.malformedForLength(1);
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 3
| Source File: DBCS_ONLY_IBM_EBCDIC_Decoder.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp + 1 < sl) {
int b1 = sa[sp] & 0xff;
int b2 = sa[sp + 1] & 0xff;
if (!isValidDoubleByte(b1, b2)) {
return CoderResult.malformedForLength(2);
}
// Lookup in the two level index
int v = b1 * 256 + b2;
char outputChar = index2.charAt(index1[((v & mask1) >> shift)]
+ (v & mask2));
if (outputChar == REPLACE_CHAR)
return CoderResult.unmappableForLength(2);
if (dl - dp < 1)
return CoderResult.OVERFLOW;
da[dp++] = outputChar;
sp += 2;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 4
| Source File: X11GB2312.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
while (sp < sl) {
char c = sa[sp];
if (c <= '\u007f')
return CoderResult.unmappableForLength(1);
int ncode = encodeDouble(c);
if (ncode != 0 && c != '\u0000' ) {
da[dp++] = (byte) ((ncode >> 8) & 0x7f);
da[dp++] = (byte) (ncode & 0x7f);
sp++;
continue;
}
return CoderResult.unmappableForLength(1);
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 5
| Source File: WingDings.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
@Override
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
char c = sa[sp];
if (dl - dp < 1)
return CoderResult.OVERFLOW;
if (!canEncode(c))
return CoderResult.unmappableForLength(1);
sp++;
da[dp++] = table[c - 0x2700];
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 6
| Source File: Symbol.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 5 votes |
|
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
char c = sa[sp];
if (dl - dp < 1)
return CoderResult.OVERFLOW;
if (!canEncode(c))
return CoderResult.unmappableForLength(1);
sp++;
if (c >= 0x2200 && c <= 0x22ef){
da[dp++] = table_math[c - 0x2200];
} else if (c >= 0x0391 && c <= 0x03d6) {
da[dp++]= table_greek[c - 0x0391];
}
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 7
| Source File: X11CNS11643.java From dragonwell8_jdk with GNU General Public License v2.0 | 5 votes |
|
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
while (sp < sl) {
char c = sa[sp];
if (c >= '\uFFFE' || c <= '\u007f')
return CoderResult.unmappableForLength(1);
int cns = getNative(c);
int p = cns >> 16;
if (p == 1 && plane == 0 ||
p == 2 && plane == 2 ||
p == 3 && plane == 3) {
if (dl - dp < 2)
return CoderResult.OVERFLOW;
da[dp++] = (byte) ((cns >> 8) & 0x7f);
da[dp++] = (byte) (cns & 0x7f);
sp++;
continue;
}
return CoderResult.unmappableForLength(1);
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 8
| Source File: SingleByteDecoder.java From TencentKona-8 with GNU General Public License v2.0 | 5 votes |
|
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
int b = sa[sp];
char c = decode(b);
if (c == '\uFFFD')
return CoderResult.unmappableForLength(1);
if (dl - dp < 1)
return CoderResult.OVERFLOW;
da[dp++] = c;
sp++;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 9
| Source File: DBCS_ONLY_IBM_EBCDIC_Decoder.java From openjdk-jdk8u with GNU General Public License v2.0 | 5 votes |
|
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp + 1 < sl) {
int b1 = sa[sp] & 0xff;
int b2 = sa[sp + 1] & 0xff;
if (!isValidDoubleByte(b1, b2)) {
return CoderResult.malformedForLength(2);
}
// Lookup in the two level index
int v = b1 * 256 + b2;
char outputChar = index2.charAt(index1[((v & mask1) >> shift)]
+ (v & mask2));
if (outputChar == REPLACE_CHAR)
return CoderResult.unmappableForLength(2);
if (dl - dp < 1)
return CoderResult.OVERFLOW;
da[dp++] = outputChar;
sp += 2;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 10
| Source File: X11CNS11643.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
protected CoderResult encodeLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
while (sp < sl) {
char c = sa[sp];
if (c >= '\uFFFE' || c <= '\u007f')
return CoderResult.unmappableForLength(1);
int cns = getNative(c);
int p = cns >> 16;
if (p == 1 && plane == 0 ||
p == 2 && plane == 2 ||
p == 3 && plane == 3) {
if (dl - dp < 2)
return CoderResult.OVERFLOW;
da[dp++] = (byte) ((cns >> 8) & 0x7f);
da[dp++] = (byte) (cns & 0x7f);
sp++;
continue;
}
return CoderResult.unmappableForLength(1);
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 11
| Source File: DBCS_ONLY_IBM_EBCDIC_Decoder.java From jdk8u-jdk with GNU General Public License v2.0 | 5 votes |
|
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp + 1 < sl) {
int b1 = sa[sp] & 0xff;
int b2 = sa[sp + 1] & 0xff;
if (!isValidDoubleByte(b1, b2)) {
return CoderResult.malformedForLength(2);
}
// Lookup in the two level index
int v = b1 * 256 + b2;
char outputChar = index2.charAt(index1[((v & mask1) >> shift)]
+ (v & mask2));
if (outputChar == REPLACE_CHAR)
return CoderResult.unmappableForLength(2);
if (dl - dp < 1)
return CoderResult.OVERFLOW;
da[dp++] = outputChar;
sp += 2;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 12
| Source File: SingleByteEncoder.java From TencentKona-8 with GNU General Public License v2.0 | 4 votes |
|
private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
try {
while (sp < sl) {
char c = sa[sp];
if (Character.isSurrogate(c)) {
if (sgp.parse(c, sa, sp, sl) < 0)
return sgp.error();
return sgp.unmappableResult();
}
if (c >= '\uFFFE')
return CoderResult.unmappableForLength(1);
if (dl - dp < 1)
return CoderResult.OVERFLOW;
char e = index2.charAt(index1[(c & mask1) >> shift]
+ (c & mask2));
// If output byte is zero because input char is zero
// then character is mappable, o.w. fail
if (e == '\u0000' && c != '\u0000')
return CoderResult.unmappableForLength(1);
sp++;
da[dp++] = (byte)e;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 13
| Source File: EUC_TW.java From openjdk-8 with GNU General Public License v2.0 | 4 votes |
|
private CoderResult encodeArrayLoop(CharBuffer src,
ByteBuffer dst)
{
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
int inSize;
int outSize;
try {
while (sp < sl) {
char c = sa[sp];
inSize = 1;
if (c < 0x80) { // ASCII
bb[0] = (byte)c;
outSize = 1;
} else {
outSize = toEUC(c, bb);
if (outSize == -1) {
// to check surrogates only after BMP failed
// has the benefit of improving the BMP encoding
// 10% faster, with the price of the slowdown of
// supplementary character encoding. given the use
// of supplementary characters is really rare, this
// is something worth doing.
if (Character.isHighSurrogate(c)) {
if ((sp + 1) == sl)
return CoderResult.UNDERFLOW;
if (!Character.isLowSurrogate(sa[sp + 1]))
return CoderResult.malformedForLength(1);
outSize = toEUC(c, sa[sp+1], bb);
inSize = 2;
} else if (Character.isLowSurrogate(c)) {
return CoderResult.malformedForLength(1);
}
}
}
if (outSize == -1)
return CoderResult.unmappableForLength(inSize);
if ( dl - dp < outSize)
return CoderResult.OVERFLOW;
for (int i = 0; i < outSize; i++)
da[dp++] = bb[i];
sp += inSize;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 14
| Source File: SJIS_0213.java From openjdk-jdk8u-backup with GNU General Public License v2.0 | 4 votes |
|
private CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
while (sp < sl) {
int b1 = sa[sp] & 0xff;
char c = decodeSingle(b1);
int inSize = 1, outSize = 1;
char[] cc = null;
if (c == UNMAPPABLE) {
if (sl - sp < 2)
return CoderResult.UNDERFLOW;
int b2 = sa[sp + 1] & 0xff;
c = decodeDouble(b1, b2);
inSize++;
if (c == UNMAPPABLE) {
cc = decodeDoubleEx(b1, b2);
if (cc == null) {
if (decodeSingle(b2) == UNMAPPABLE)
return CoderResult.unmappableForLength(2);
else
return CoderResult.unmappableForLength(1);
}
outSize++;
}
}
if (dl - dp < outSize)
return CoderResult.OVERFLOW;
if (outSize == 2) {
da[dp++] = cc[0];
da[dp++] = cc[1];
} else {
da[dp++] = c;
}
sp += inSize;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 15
| Source File: DBCS_IBM_EBCDIC_Encoder.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
int outputSize = 0; // size of output
int spaceNeeded;
try {
while (sp < sl) {
int index;
int theBytes;
char c = sa[sp];
if (Surrogate.is(c)) {
if (sgp.parse(c, sa, sp, sl) < 0)
return sgp.error();
return sgp.unmappableResult();
}
if (c >= '\uFFFE')
return CoderResult.unmappableForLength(1);
index = index1[((c & mask1) >> shift)]
+ (c & mask2);
if (index < 15000)
theBytes = (int)(index2.charAt(index));
else
theBytes = (int)(index2a.charAt(index-15000));
b1= (byte)((theBytes & 0x0000ff00)>>8);
b2 = (byte)(theBytes & 0x000000ff);
if (b1 == 0x00 && b2 == 0x00
&& c != '\u0000') {
return CoderResult.unmappableForLength(1);
}
if (currentState == DBCS && b1 == 0x00) {
if (dl - dp < 1)
return CoderResult.OVERFLOW;
currentState = SBCS;
da[dp++] = SI;
} else if (currentState == SBCS && b1 != 0x00) {
if (dl - dp < 1)
return CoderResult.OVERFLOW;
currentState = DBCS;
da[dp++] = SO;
}
if (currentState == DBCS)
spaceNeeded = 2;
else
spaceNeeded = 1;
if (dl - dp < spaceNeeded)
return CoderResult.OVERFLOW;
if (currentState == SBCS)
da[dp++] = b2;
else {
da[dp++] = b1;
da[dp++] = b2;
}
sp++;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 16
| Source File: SimpleEUCEncoder.java From jdk8u_jdk with GNU General Public License v2.0 | 4 votes |
|
private CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
int index;
int spaceNeeded;
int i;
try {
while (sp < sl) {
boolean allZeroes = true;
char inputChar = sa[sp];
if (Character.isSurrogate(inputChar)) {
if (sgp.parse(inputChar, sa, sp, sl) < 0)
return sgp.error();
return sgp.unmappableResult();
}
if (inputChar >= '\uFFFE')
return CoderResult.unmappableForLength(1);
String theChars;
char aChar;
// We have a valid character, get the bytes for it
index = index1[((inputChar & mask1) >> shift)] + (inputChar & mask2);
if (index < 7500)
theChars = index2;
else if (index < 15000) {
index = index - 7500;
theChars = index2a;
} else if (index < 22500){
index = index - 15000;
theChars = index2b;
}
else {
index = index - 22500;
theChars = index2c;
}
aChar = theChars.charAt(2*index);
outputByte[0] = (byte)((aChar & 0xff00)>>8);
outputByte[1] = (byte)(aChar & 0x00ff);
aChar = theChars.charAt(2*index + 1);
outputByte[2] = (byte)((aChar & 0xff00)>>8);
outputByte[3] = (byte)(aChar & 0x00ff);
for (i = 0; i < outputByte.length; i++) {
if (outputByte[i] != 0x00) {
allZeroes = false;
break;
}
}
if (allZeroes && inputChar != '\u0000') {
return CoderResult.unmappableForLength(1);
}
int oindex = 0;
for (spaceNeeded = outputByte.length;
spaceNeeded > 1; spaceNeeded--){
if (outputByte[oindex++] != 0x00 )
break;
}
if (dp + spaceNeeded > dl)
return CoderResult.OVERFLOW;
for (i = outputByte.length - spaceNeeded;
i < outputByte.length; i++) {
da[dp++] = outputByte[i];
}
sp++;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 17
| Source File: DoubleByte.java From openjdk-jdk9 with GNU General Public License v2.0 | 4 votes |
|
protected CoderResult decodeArrayLoop(ByteBuffer src, CharBuffer dst) {
byte[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
char[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
// don't check dp/dl together here, it's possible to
// decdoe a SO/SI without space in output buffer.
while (sp < sl) {
int b1 = sa[sp] & 0xff;
int inSize = 1;
if (b1 == SO) { // Shift out
if (currentState != SBCS)
return CoderResult.malformedForLength(1);
else
currentState = DBCS;
} else if (b1 == SI) {
if (currentState != DBCS)
return CoderResult.malformedForLength(1);
else
currentState = SBCS;
} else {
char c = UNMAPPABLE_DECODING;
if (currentState == SBCS) {
c = b2cSB[b1];
if (c == UNMAPPABLE_DECODING)
return CoderResult.unmappableForLength(1);
} else {
if (sl - sp < 2)
return CoderResult.UNDERFLOW;
int b2 = sa[sp + 1] & 0xff;
if (b2 < b2Min || b2 > b2Max ||
(c = b2c[b1][b2 - b2Min]) == UNMAPPABLE_DECODING) {
if (!isDoubleByte(b1, b2))
return CoderResult.malformedForLength(2);
return CoderResult.unmappableForLength(2);
}
inSize++;
}
if (dl - dp < 1)
return CoderResult.OVERFLOW;
da[dp++] = c;
}
sp += inSize;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 18
| Source File: SJIS_0213.java From jdk8u-jdk with GNU General Public License v2.0 | 4 votes |
|
protected CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
while (sp < sl) {
int db;
char c = sa[sp];
if (leftoverBase != 0) {
boolean isComp = false;
db = encodeComposite(leftoverBase, c);
if (db == UNMAPPABLE)
db = encodeChar(leftoverBase);
else
isComp = true;
if (dl - dp < 2)
return CoderResult.OVERFLOW;
da[dp++] = (byte)(db >> 8);
da[dp++] = (byte)db;
leftoverBase = 0;
if (isComp) {
sp++;
continue;
}
}
if (isCompositeBase(c)) {
leftoverBase = c;
} else {
db = encodeChar(c);
if (db <= MAX_SINGLEBYTE) { // SingleByte
if (dl <= dp)
return CoderResult.OVERFLOW;
da[dp++] = (byte)db;
} else if (db != UNMAPPABLE) { // DoubleByte
if (dl - dp < 2)
return CoderResult.OVERFLOW;
da[dp++] = (byte)(db >> 8);
da[dp++] = (byte)db;
} else if (Character.isHighSurrogate(c)) {
if ((sp + 1) == sl)
return CoderResult.UNDERFLOW;
char c2 = sa[sp + 1];
if (!Character.isLowSurrogate(c2))
return CoderResult.malformedForLength(1);
db = encodeSurrogate(c, c2);
if (db == UNMAPPABLE)
return CoderResult.unmappableForLength(2);
if (dl - dp < 2)
return CoderResult.OVERFLOW;
da[dp++] = (byte)(db >> 8);
da[dp++] = (byte)db;
sp++;
} else if (Character.isLowSurrogate(c)) {
return CoderResult.malformedForLength(1);
} else {
return CoderResult.unmappableForLength(1);
}
}
sp++;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 19
| Source File: ISO2022.java From dragonwell8_jdk with GNU General Public License v2.0 | 4 votes |
|
private CoderResult encodeArrayLoop(CharBuffer src,
ByteBuffer dst)
{
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
assert (sp <= sl);
sp = (sp <= sl ? sp : sl);
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
assert (dp <= dl);
dp = (dp <= dl ? dp : dl);
int outputSize = 0;
byte[] outputByte = new byte[8];
newshiftout = shiftout;
newSODesDefined = SODesDefined;
newSS2DesDefined = SS2DesDefined;
newSS3DesDefined = SS3DesDefined;
try {
while (sp < sl) {
char c = sa[sp];
if (Character.isSurrogate(c)) {
if (sgp.parse(c, sa, sp, sl) < 0)
return sgp.error();
return sgp.unmappableResult();
}
if (c < 0x80) { // ASCII
if (shiftout){
newshiftout = false;
outputSize = 2;
outputByte[0] = ISO_SI;
outputByte[1] = (byte)(c & 0x7f);
} else {
outputSize = 1;
outputByte[0] = (byte)(c & 0x7f);
}
if(sa[sp] == '\n'){
newSODesDefined = false;
newSS2DesDefined = false;
newSS3DesDefined = false;
}
} else {
outputSize = unicodeToNative(c, outputByte);
if (outputSize == 0) {
return CoderResult.unmappableForLength(1);
}
}
if (dl - dp < outputSize)
return CoderResult.OVERFLOW;
for (int i = 0; i < outputSize; i++)
da[dp++] = outputByte[i];
sp++;
shiftout = newshiftout;
SODesDefined = newSODesDefined;
SS2DesDefined = newSS2DesDefined;
SS3DesDefined = newSS3DesDefined;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
Example 20
| Source File: DoubleByte.java From jdk8u-dev-jdk with GNU General Public License v2.0 | 4 votes |
|
protected CoderResult encodeArrayLoop(CharBuffer src, ByteBuffer dst) {
char[] sa = src.array();
int sp = src.arrayOffset() + src.position();
int sl = src.arrayOffset() + src.limit();
byte[] da = dst.array();
int dp = dst.arrayOffset() + dst.position();
int dl = dst.arrayOffset() + dst.limit();
try {
while (sp < sl) {
char c = sa[sp];
int bb = encodeChar(c);
if (bb == UNMAPPABLE_ENCODING) {
if (Character.isSurrogate(c)) {
if (sgp().parse(c, sa, sp, sl) < 0)
return sgp.error();
return sgp.unmappableResult();
}
return CoderResult.unmappableForLength(1);
}
if (bb > MAX_SINGLEBYTE) { // DoubleByte
if (currentState == SBCS) {
if (dl - dp < 1)
return CoderResult.OVERFLOW;
currentState = DBCS;
da[dp++] = SO;
}
if (dl - dp < 2)
return CoderResult.OVERFLOW;
da[dp++] = (byte)(bb >> 8);
da[dp++] = (byte)bb;
} else { // SingleByte
if (currentState == DBCS) {
if (dl - dp < 1)
return CoderResult.OVERFLOW;
currentState = SBCS;
da[dp++] = SI;
}
if (dl - dp < 1)
return CoderResult.OVERFLOW;
da[dp++] = (byte)bb;
}
sp++;
}
return CoderResult.UNDERFLOW;
} finally {
src.position(sp - src.arrayOffset());
dst.position(dp - dst.arrayOffset());
}
}
