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Redkale
2020-05-29 13:43:47 +08:00
parent adb0dc5963
commit 4c4913c5d0
1 changed files with 20 additions and 12 deletions
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32
src/org/redkale/convert/json/JsonByteBufferReader.java
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@@ -69,6 +69,10 @@ public class JsonByteBufferReader extends JsonReader {
*/
@Override
protected final char nextChar() {
return nextChar(null);
}
protected final char nextChar(StringBuilder sb) {
if (currentChar != 0) {
char ch = currentChar;
this.currentChar = 0;
@@ -78,14 +82,18 @@ public class JsonByteBufferReader extends JsonReader {
int remain = this.currentBuffer.remaining();
if (remain == 0 && this.currentIndex + 1 >= this.buffers.length) return 0;
}
byte b1 = nextByte();
if (b1 >= 0) {// 1 byte, 7 bits: 0xxxxxxx
return (char) b1;
} else if ((b1 >> 5) == -2 && (b1 & 0x1e) != 0) { // 2 bytes, 11 bits: 110xxxxx 10xxxxxx
return (char) (((b1 << 6) ^ nextByte()) ^ (((byte) 0xC0 << 6) ^ ((byte) 0x80)));
} else if ((b1 >> 4) == -2) { // 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
return (char) ((b1 << 12) ^ (nextByte() << 6) ^ (nextByte() ^ (((byte) 0xE0 << 12) ^ ((byte) 0x80 << 6) ^ ((byte) 0x80))));
} else { // 4 bytes, 21 bits: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
byte b = nextByte();
if (b >= 0) {// 1 byte, 7 bits: 0xxxxxxx
return (char) b;
} else if ((b >> 5) == -2 && (b & 0x1e) != 0) { // 2 bytes, 11 bits: 110xxxxx 10xxxxxx
return (char) (((b << 6) ^ nextByte()) ^ (((byte) 0xC0 << 6) ^ ((byte) 0x80)));
} else if ((b >> 4) == -2) { // 3 bytes, 16 bits: 1110xxxx 10xxxxxx 10xxxxxx
return (char) ((b << 12) ^ (nextByte() << 6) ^ (nextByte() ^ (((byte) 0xE0 << 12) ^ ((byte) 0x80 << 6) ^ ((byte) 0x80))));
} else if ((b >> 3) == -2) {// 4 bytes, 21 bits: 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx
int uc = ((b << 18) ^ (nextByte() << 12) ^ (nextByte() << 6) ^ (nextByte() ^ (((byte) 0xF0 << 18) ^ ((byte) 0x80 << 12) ^ ((byte) 0x80 << 6) ^ ((byte) 0x80))));
if (sb != null) sb.append(Character.highSurrogate(uc));
return Character.lowSurrogate(uc);
} else {
throw new RuntimeException(new UnmappableCharacterException(4));
}
}
@@ -208,9 +216,9 @@ public class JsonByteBufferReader extends JsonReader {
if (ch == '"' || ch == '\'') {
final char quote = ch;
for (;;) {
ch = nextChar();
ch = nextChar(sb);
if (ch == '\\') {
char c = nextChar();
char c = nextChar(sb);
switch (c) {
case '"':
case '\'':
@@ -249,9 +257,9 @@ public class JsonByteBufferReader extends JsonReader {
} else {
sb.append(ch);
for (;;) {
ch = nextChar();
ch = nextChar(sb);
if (ch == '\\') {
char c = nextChar();
char c = nextChar(sb);
switch (c) {
case '"':
case '\'':