public IList <PackageIndexError> AddPackage(IPackageMetadata package, bool force)
{
try
{
if (package == null)
{
return(null);
}
// check if package exists in the index:
// - if it does not, proceed and add it
// - if it is, add to index only if new package has higher version
var existingPackage = GetPackages(package.Id).FirstOrDefault();
if (existingPackage != null)
{
var existingPackageVersion = new SemanticVersion(existingPackage.Version);
var newPackageVersion = new SemanticVersion(package.Version);
if (existingPackageVersion >= newPackageVersion && !force)
{
Logger.WriteVerbose("More recent version {0} of package {1} {2} exists in the index. Skipping...", existingPackageVersion.ToString(), package.Id, package.Version);
return(new List <PackageIndexError>());
}
else
{
// Remove all old packages types. This is for the case if new package does not
// contain some types (deprecated), in this case index would still keep them.
Logger.WriteVerbose("Older version {0} of package {1} {2} exists in the index. Removing from index...", existingPackageVersion.ToString(), package.Id, package.Version);
RemovePackage(package.Id);
}
}
Logger.WriteInformation("Adding package {0} {1} to index.", package.Id, package.Version);
var reflector = ReflectorFactory.Create(package);
foreach (var assembly in package.Assemblies)
{
Logger.WriteVerbose("Processing assembly {0}.", assembly.FullPath);
reflector.ProcessAssembly(assembly);
}
Logger.WriteVerbose("Storing package model to the index.");
var result = Engine.AddEntry(
new PackageModel
{
Name = package.Id,
Version = package.Version.ToString(),
Path = package.LocalPath
});
Logger.WriteVerbose("Storing type models to the index.");
result.AddRange(Engine.AddEntries(reflector.Types, false));
Logger.WriteVerbose("Storing namespaces to the index.");
result.AddRange(Engine.AddEntries(reflector.Namespaces, false));
Logger.WriteVerbose("Storing extensions to the index.");
result.AddRange(Engine.AddEntries(reflector.Extensions, true));
Logger.WriteVerbose("Package indexing complete.");
return(result);
}
catch (Exception e)
{
Debug.Write(e.ToString());
}
return(null);
}
static void Main(string[] args)
{
var reflector = ReflectorFactory.CreateReflectorB();
var thinReflector = ReflectorFactory.CreateThinReflectorB();
ThinRotor thinRotor = RotorFactory.CreateRotorBeta();
Rotor slowRotor = RotorFactory.CreateRotorI();
Rotor middleRotor = RotorFactory.CreateRotorII();
Rotor fastRotor = RotorFactory.CreateRotorIII();
var spindle = new Spindle(reflector, slowRotor, middleRotor, fastRotor);
//var spindle = new Spindle(thinReflector, thinRotor, slowRotor, middleRotor, fastRotor);
// Ringstellung.
thinRotor.Offset = ToI('A');
slowRotor.Offset = ToI('A');
middleRotor.Offset = ToI('A');
fastRotor.Offset = ToI('A');
const char thinRotorPosition = 'A';
const char slowRotorPosition = 'A';
const char middleRotorPosition = 'A';
const char fastRotorPosition = 'A';
// Initial positions.
thinRotor.Position = ToI(thinRotorPosition);
slowRotor.Position = ToI(slowRotorPosition);
middleRotor.Position = ToI(middleRotorPosition);
fastRotor.Position = ToI(fastRotorPosition);
// Note: Enigma can only encrypt/decrypt the 26 letters of the alphabet.
// (because of this all others: spaces, quotes, commas etc. are ignored)
string plain = "The quick brown fox jumps over the lazy dog.";
var plugs = new Dictionary <int, int>
{
//{ ToI('A'), ToI('B') },
//{ ToI('C'), ToI('D') },
//{ ToI('E'), ToI('F') },
//{ ToI('G'), ToI('H') },
//{ ToI('I'), ToI('J') },
//{ ToI('K'), ToI('L') },
//{ ToI('M'), ToI('N') },
//{ ToI('O'), ToI('P') },
//{ ToI('Q'), ToI('R') },
//{ ToI('S'), ToI('T') },
//{ ToI('U'), ToI('V') },
//{ ToI('W'), ToI('X') },
//{ ToI('Y'), ToI('Z') },
};
var plugboard = new Plugboard(spindle, plugs);
string encrypted = String.Empty;
Console.WriteLine("Encrypted:");
// Encrypt.
foreach (char c in plain)
{
int input = ToI(c);
if ((input < 0) || (input > 25))
{
// We cannot process this char.
continue;
}
var output = plugboard.Get(input);
var ch = Convert.ToChar('A' + output);
encrypted += ch;
Console.Write(ch);
Console.Write(' ');
}
Console.WriteLine();
Console.WriteLine();
Console.WriteLine("Decrypted:");
// Reset rotor positions.
thinRotor.Position = ToI(thinRotorPosition);
slowRotor.Position = ToI(slowRotorPosition);
middleRotor.Position = ToI(middleRotorPosition);
fastRotor.Position = ToI(fastRotorPosition);
// Decrypt.
foreach (char c in encrypted)
{
int input = ToI(c);
var output = plugboard.Get(input);
var ch = Convert.ToChar('A' + output);
Console.Write(ch);
Console.Write(' ');
}
Console.ReadKey();
}
