static void DecodeHuffmanEncodedFile(string inputFile, string outputFile)
{
BinaryReader reader = new BinaryReader(new FileStream(inputFile, FileMode.Open));
ITreeBuilder builder = new TreeBuilder.TreeBuilder(null, reader);
if (!builder.BuildTreeFromFile())
{
ReportFileError();
return;
}
BinaryWriter writer = new BinaryWriter(new FileStream(outputFile, FileMode.OpenOrCreate));
IDecoder decoder = new TreeDecoder.Decoder(builder.tree, reader, writer);
decoder.DecodeTree();
writer.Close();
reader.Close();
}
/// <summary>
/// Main program method...Processes input file into a tree and prints the tree in prefix notation
/// </summary>
/// <param name="inputFile">Input File</param>
static void ProduceHuffmanTree(string inputFile)
{
IInputProcessor processor = new InputProcessor.InputProcessor(new FileStream(inputFile, FileMode.Open));
var leafTree = processor.ProcessInput();
ITreeBuilder builder = new TreeBuilder.TreeBuilder(leafTree, new BinaryReader(Stream.Null));
if (leafTree.Count == 0)
{
// TODO: When empty do something(I guess nothing)
return;
}
builder.BuildTree();
INode root = builder.tree.Min;
IEncoder encoder = new TreeEncoder.Encoder();
string[] binaryArray = encoder.EncodeNodesWithBinary(root, new StringBuilder(), new string[256]);
IWriter writer = new Writer(new FileStream(inputFile, FileMode.Open), new BinaryWriter(File.Open(inputFile + ".huff", FileMode.OpenOrCreate)));
writer.EncodeAndPrint(binaryArray, root);
}