internal static void Distribute(Tape src, CyclicList<Tape> tapes)
{
//Log.WriteDistMessage("Dist start");
tapes.Clean();
string line;
using (StreamReader reader = new StreamReader(src.FilePath))
while ((line = reader.ReadLine()) != null)
{
int val = int.Parse(line);
if (tapes.IsFirstRun() || val >= tapes.LastValue)
{
tapes.Add(val);
//Log.WriteDistMessage("Adding " + val + " to " + tapes.Index + ".", 4);
}
else
{
tapes.ChangeToNextAndAdd(val);
//Log.WriteInfoMessage("NIEPOSORTOWANE!" + val);
}
//Log.WriteDistMessage("Adding " + val + " to " + tapes.Index + ".", 4);
}
Log.WriteDistMessage("A: " + tapes[0].ShowFile());
Log.WriteDistMessage("B: " + tapes[1].ShowFile());
//Log.WriteDistMessage("Dist end");
}
public static void Copy(string src, Tape dest)
{
using (StreamReader reader = new StreamReader(src))
{
string line;
while ((line = reader.ReadLine()) != null)
{
dest.Append(line);
}
}
}
public static void Main(string[] args)
{
Tape a = new Tape("a.txt");
Tape b = new Tape("b.txt");
var input = args.Length == 0 ? "../../../data/pentagons_01.dat" : args[0];
Tape c = new Tape("c.txt", input);
Log.WriteInfoMessage("Natural sort");
CyclicList<Tape> tapes = new CyclicList<Tape>() { a, b };
while (!SortHelper.IsSorted(c))
{
SortHelper.Distribute(c, tapes);
SortHelper.Merge(c, tapes);
}
Log.WriteInfoMessage("End of execution");
if (!(args.Length == 2 && args[1].Equals("TEST")))
Console.ReadKey();
}
internal static bool IsSorted(Tape tape)
{
return tape.IsSorted();
}
public static void Merge(Tape dest, CyclicList<Tape> tapes)
{
//Log.WriteMergeMessage("Merge start");
//Log.WriteMergeMessage("A: " + tapes[0].ShowFile(), 5);
//Log.WriteMergeMessage("B: " + tapes[1].ShowFile(), 5);
dest.Clean();
tapes.Prepare();
double a1 = (double)tapes.Current.GetNextValue();
double b1 = -1;
while (!tapes.Current.IsFinished)
{
double? nextValue = tapes.Next.GetNextValue();
double b2;
if (nextValue != null)
b2 = (double)nextValue;
else
break; // przepisz resztę taśmy
if (b2 >= b1) // czy ciągle na tym samym run-ie
{
if (b2 <= a1)
{
b1 = b2;
dest.Append(b1);
}
else
{
dest.Append(a1);
tapes.MoveNext();
b1 = a1;
a1 = b2;
}
}
else // przepisz resztę run-a
{
b1 = b2;
double a2 = a1;
var value = tapes.Current.GetNextValue();
if (value != null) a1 = (double)value;
else
{
dest.Append(a2);
tapes.MoveNext();
break;
}
while (a1 >= a2)
{
dest.Append(a2);
a2 = a1;
double? d = tapes.Current.GetNextValue();
if (d != null) a1 = (double)d;
else
break;
}
dest.Append(a2);
tapes.Next.StepBack();
}
}
double? v;
//dest.Append(a1);
tapes.Current.StepBack();
while ((v = tapes.Current.GetNextValue()) != null)
{
dest.Append((double)v);
}
//Log.WriteMergeMessage("Result:", 5);
Log.WriteMergeMessage("C: " + dest.ShowFile());
//Log.WriteMergeMessage("Merge end");
}