private static bool RecurseExtract(string targetRoot, string path, IFsDirectory dir)
{
foreach (IFsDirectoryEntry e in dir)
{
if (".".Equals(e.GetName()))
{
continue;
}
if (e.IsFile())
{
var output = Path.Combine(targetRoot, e.GetName());
Console.WriteLine($"Writing {Path.Combine(path, e.GetName())}...");
var fsf = e.GetFile();
var ms = new MemoryStream((int)fsf.GetLength());
ms.SetLength(fsf.GetLength());
fsf.Read(0L, ms);
var fs = new FileStream(output, FileMode.Create, FileAccess.Write);
ms.Position = 0;
ms.CopyTo(fs);
fs.Close();
ms.Close();
}
else if (e.IsDirectory())
{
if ("..".Equals(e.GetName()))
{
continue;
}
var output = Path.Combine(targetRoot, e.GetName());
if (!Directory.Exists(output) && !Directory.CreateDirectory(output).Exists)
{
Console.WriteLine($"Failed to make directory at {output}\n");
return(false);
}
if (!RecurseExtract(output, Path.Combine(path, e.GetName()), e.GetDirectory()))
{
return(false);
}
}
}
return(true);
}
public static void Exec(string nativeCommand, string[] args)
{
if (args.Length < 1)
{
Console.WriteLine("Usage:\n\t{0} <fatfile> <outdir>", nativeCommand);
Environment.Exit(33);
}
FileDisk fd = null;
try {
fd = new FileDisk(args[0], true);
}
catch (FileNotFoundException) {
Console.WriteLine("File not found.");
Environment.Exit(1);
}
IFileSystem fs = null;
try {
fs = FileSystemFactory.Create(fd, true);
}
catch (IOException e) {
Console.WriteLine("IO Exception occurred. Details:\n" + e.Message);
Environment.Exit(2);
}
IFsDirectory root = null;
try {
root = fs.GetRoot();
}
catch (IOException e) {
Console.WriteLine("IO Exception occurred. Details:\n" + e.Message);
Environment.Exit(3);
}
string t;
if (args.Length == 2)
{
t = args[1];
}
else
{
t = Path.Combine(args[0], $"{Path.GetFileName(args[0])}_converted");
}
if (!Directory.Exists(t) && !Directory.CreateDirectory(t).Exists)
{
Console.WriteLine($"Failed to make target directory at {t}\n");
Environment.Exit(3);
}
try {
var success = RecurseExtract(t, "", root);
Console.WriteLine("Extract complete.");
if (!success)
{
Environment.Exit(8);
}
}
catch (IOException e) {
Console.WriteLine("IO Exception occurred. Details:\n" + e.Message);
Environment.Exit(7);
}
}
