@Override
public void visitByteRange(ParsingByteRange e) {
this.formatString("[");
this.formatString(StringUtils.stringfyByte2(e.startByteChar));
this.formatString("-");
this.formatString(StringUtils.stringfyByte2(e.endByteChar));
this.formatString("]");
}
public final int charAt(long pos) {
int c = byteAt(pos), c2, c3, c4;
int len = StringUtils.lengthOfUtf8(c);
switch (len) {
case 1:
return c;
case 2:
// 0b11111 = 31
// 0b111111 = 63
c2 = byteAt(pos + 1) & 63;
return ((c & 31) << 6) | c2;
case 3:
c2 = byteAt(pos + 1) & 63;
c3 = byteAt(pos + 2) & 63;
return ((c & 15) << 12) | c2 << 6 | c3;
case 4:
c2 = byteAt(pos + 1) & 63;
c3 = byteAt(pos + 2) & 63;
c4 = byteAt(pos + 3) & 63;
return ((c & 7) << 18) | c2 << 12 | c3 << 6 | c4;
}
return -1;
}
@Override
public void visitByte(ParsingByte e) {
this.formatString(StringUtils.stringfyByte(e.byteChar));
}
@Override
public String getInterningKey() {
return "[" + StringUtils.stringfyByteMap(this.charMap);
}
@Override
public String getPredicate() {
return "byte " + StringUtils.stringfyByteMap(this.charMap);
}
public final int charLength(long pos) {
int c = byteAt(pos);
return StringUtils.lengthOfUtf8(c);
}
private final byte[] toZeroTerminalByteSequence(String s) {
byte[] b = StringUtils.toUtf8(s);
byte[] b2 = new byte[b.length + 1];
System.arraycopy(b, 0, b2, 0, b.length);
return b2;
}
