Linter Demo

Errors: 0

Warnings: 2

File: /home/fstrocco/Dart/dart/benchmark/bzip2/lib/src/bitbuffer.dart

part of bzip2; class _BitBuffer { List<int> _buffer; int _maxBufferSize; int _bufferSize = 0; int _bufferIndex = 0; _BitBuffer(int maxSize) { this._maxBufferSize = maxSize * 8; this._buffer = new Int8List(maxSize * 8); } int readBit() { if (_bufferIndex >= _bufferSize) { throw new StateError("out of data"); } return _buffer[_bufferIndex++]; } int readBits(int cnt) { int result = 0; for (int i = 0; i < cnt; i++) { result = (result << 1) + readBit(); } return result; } void move(int cnt) { if (_bufferIndex + cnt > _bufferSize) { throw new StateError("out of data"); } _bufferIndex += cnt; } int peekBits(int cnt) { int result = readBits(cnt); _bufferIndex -= cnt; return result; } int readByte() { return readBits(8); } List<int> readBytes(int cnt) { List<int> result = new List<int>(cnt); for (int i = 0; i < cnt; i++) { result[i] = readByte(); } return result; } void writeBit(int bit) { if (_bufferSize >= _maxBufferSize) { if (_bufferIndex == 0) { throw new StateError("buffer full"); } for (int i = 0; i < _bufferSize - _bufferIndex; i++) { _buffer[i] = _buffer[_bufferIndex + i]; } _bufferSize -= _bufferIndex; _bufferIndex = 0; } _buffer[_bufferSize++] = (bit == 0 ? 0 : 1); } void writeBits(int value, int cnt) { for (int i = 0; i < cnt; i++) { int bitmask = (1 << (cnt - 1 - i)); writeBit((value & bitmask) == 0 ? 0 : 1); } } void writeByte(int byte) { writeBits(byte, 8); } void writeBytes(List<int> bytes) { for(int byte in bytes) { writeByte(byte); } } bool isEmpty() { return usedBitCount() == 0; } int usedBitCount() { return _bufferSize - _bufferIndex; } int freeBitCount() { return _maxBufferSize - usedBitCount(); } }