static void encode(string input, string fileName)
{
using (var file = new FileStream(fileName, FileMode.Create))
{
}
var coder = new Coder();
// input = input.Replace("\r","");
var encodeStr = new StringBuilder(coder.Encode(input + "\n\0\n", fileName));
var builder = new StringBuilder();
foreach (var freq in coder.getFrequencies())
{
builder.Append(freq.Key);
builder.Append(" ");
builder.Append(freq.Value);
builder.Append("\n");
}
builder.Append("\n\0\n");
var writer = new BinStream(fileName);
writer.WriteBits(new BitArray(Encoding.GetEncoding(1251).GetBytes(builder.ToString())), FileMode.Append);
OutputBits(new BinStream(fileName), encodeStr.ToString(), fileName);
}
private static void OutputBits(BinStream stream, string toWrite, string fileName)
{
var bytes = BigInteger.Parse(toWrite).ToByteArray();
var bitsStr = string.Concat(bytes.Select(b => Convert.ToString(b, 2).PadLeft(8, '0')).Reverse());
var list = new List <bool>(bitsStr.Length);
foreach (var c in bitsStr)
{
list.Add(c != '0');
}
var bits = new BitArray(list.ToArray());
stream.WriteBits(bits, FileMode.Append);
}