@Override
public Integer read(BitInputStream bis) throws IOException {
long buf = 0; // huffman code
int bitsRead = 0;
for (int len : codeLentghSorted) {
buf = buf << (len - bitsRead);
long readLongBits = bis.readLongBits(len - bitsRead);
buf = buf | readLongBits;
bitsRead = len;
Map<Long, Integer> codeMap = codeMaps[len];
Integer result = codeMap.get(buf);
if (result != null) {
return result;
}
}
throw new RuntimeException(
"Bit code not found. Current state: " + bitsRead + " bits read, buf=" + buf);
}
@Override
public final Integer read(final BitInputStream bitInputStream) throws IOException {
return bitInputStream.readBits(readNofBits) - offset;
}