public static int parseUInt(byte separator, Buffer buffer, MutableInt offset, int end) {
int start = offset.get();
int off = start;
checkBounds(IntType.MIN_LENGTH + SEPARATOR_LENGTH, end - off);
byte b = buffer.getByte(off++);
long value = digit(b);
if (!isDigit(b)) throwUnexpectedByte(b);
do {
b = buffer.getByte(off++);
if (isDigit(b)) {
value = (value << 3) + (value << 1) + digit(b);
} else if (b == separator) {
int digits = off - start - SEPARATOR_LENGTH;
checkUInt(value, digits);
offset.set(off);
return (int) value;
} else {
throwUnexpectedByte(b);
}
} while (off < end);
throw throwSeparatorNotFound(separator);
}
protected static int parse4DigitUInt(Buffer buffer, int offset) {
int value = ParserUtil.checkDigit(buffer.getByte(offset));
value = (value << 3) + (value << 1) + ParserUtil.checkDigit(buffer.getByte(offset + 1));
value = (value << 3) + (value << 1) + ParserUtil.checkDigit(buffer.getByte(offset + 2));
value = (value << 3) + (value << 1) + ParserUtil.checkDigit(buffer.getByte(offset + 3));
return value;
}
public static int parseInt(byte separator, Buffer buffer, MutableInt offset, int end) {
int off = offset.get();
checkBounds(SIGN_LENGTH, end - off);
if (buffer.getByte(off) == '-') {
offset.set(off + SIGN_LENGTH);
return -parseUInt(separator, buffer, offset, end);
} else {
return parseUInt(separator, buffer, offset, end);
}
}