static void Main(string[] args)
{
if (args.Length == 0 || IsHelpArg(args[0]))
{
PrintUsage();
return;
}
var input = args[0];
if (args.Length > 1 && !args[1].StartsWith("-"))
{
outDir = args[1];
}
string start = GetStart(args);
var reader = HashFsReader.Open(input);
switch (reader.EntryExists(start))
{
case EntryType.Directory:
Extract(reader, start);
break;
case EntryType.File:
ExtractSingleFile(start, reader);
break;
case EntryType.NotFound:
Console.Error.WriteLine("The specified path does not exist.");
break;
}
}
private static void ExtractSingleFile(string path, HashFsReader reader)
{
var outputPath = Path.Combine(outDir, path.Substring(1));
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
Console.WriteLine($"Extracting {path} ...");
reader.ExtractToFile(path, outputPath);
}
private static void ExtractFiles(HashFsReader r, List <string> files)
{
foreach (var file in files)
{
var path = Path.Combine(outDir, file.Substring(1));
r.ExtractToFile(file, path);
}
}
private static void Extract(HashFsReader r, string dir)
{
Console.Out.WriteLine($"Extracting {dir} ...");
var(subdirs, files) = r.GetDirectoryListing(dir);
Directory.CreateDirectory(Path.Combine(outDir, dir.Substring(1)));
ExtractFiles(r, files);
foreach (var subdir in subdirs)
{
Extract(r, subdir);
}
}