/// <summary>Handle the 'Load module' item from main menu.</summary>
/// <param name="tag"></param>
/// <param name="newMenu"></param>
internal static void LoadModuleInRS(string tag, out ConsoleMenu newMenu)
{
newMenu = null;
Console.Write(Messages.InputFilePath);
string candidatePath = Helpers.AnswerQuestionOrEscape();
FileInfo candidateFile = new FileInfo(candidatePath);
if (!candidateFile.Exists)
{
Console.WriteLine(Messages.FileDoesntExist);
Console.Write("Hit ENTER");
Console.ReadLine();
return;
}
FileStream candidateStream;
try { candidateStream = File.Open(candidateFile.FullName, FileMode.Open, FileAccess.Read); }
catch (Exception e) {
Console.WriteLine(Messages.CantOpenFile, e.Message);
Console.Write("Hit ENTER");
Console.ReadLine();
return;
}
List <ILoader> validLoaders = new List <ILoader>();
foreach (ILoaderDescriptor descriptor in _rsCore.EnumerateKnownLoaders())
{
ILoader candidateLoader = descriptor.Get();
if (candidateLoader.CanLoad(candidateStream))
{
validLoaders.Add(candidateLoader);
}
}
switch (validLoaders.Count)
{
case 0:
Console.WriteLine(Messages.NoSuitableLoaderFound);
Console.Write("Hit ENTER");
Console.ReadLine();
return;
case 1:
break;
default:
Console.WriteLine(Messages.SeveralLoadersFound);
Console.Write("Hit ENTER");
Console.ReadLine();
return;
}
_analyzedFile = candidateFile;
_analyzedStream = candidateStream;
validLoaders[0].Load(null, candidateStream);
return;
}
private static void Run()
{
while (true)
{
if (0 >= _menus.Count)
{
return;
}
ConsoleMenu currentMenu = _menus.Peek();
ConsoleMenu newMenu;
if (currentMenu.Display(out newMenu))
{
if (null != newMenu)
{
throw new AssertionException();
}
_menus.Pop();
}
}
}
static ConsoleMenu()
{
MainMenu = new ConsoleMenu()
.AddItem(new MenuItem("Load module", Program.LoadModuleInRS));
}
/// <summary></summary>
/// <returns>true if menu is complete and should be popped.</returns>
internal bool Display(out ConsoleMenu newMenu)
{
int menuIndex;
while (true)
{
Console.Clear();
for (menuIndex = 0; _items.Count > menuIndex; menuIndex++)
{
MenuItem displayedItem = _items[menuIndex];
Console.WriteLine("{0,-2} : {1}", menuIndex + 1, displayedItem.Title);
}
Console.WriteLine("Q : quit");
Console.WriteLine();
Console.Write("Choice : ");
string answer = string.Empty;
while (true)
{
ConsoleKeyInfo nextKey = Console.ReadKey(true);
int nextCharacter = nextKey.KeyChar;
if (0 != (nextKey.Modifiers & ConsoleModifiers.Alt & ConsoleModifiers.Control))
{
continue;
}
if (8 == nextCharacter)
{
bool erase = true;
switch (answer.Length)
{
case 0:
erase = false;
break;
case 1:
answer = string.Empty;
break;
default:
answer = answer.Substring(0, answer.Length - 1);
break;
}
if (erase)
{
Console.CursorLeft -= 1;
Console.Write(" ");
Console.CursorLeft -= 1;
}
continue;
}
if ('Q' == char.ToUpper((char)nextCharacter))
{
if (string.Empty == answer)
{
answer = "Q";
Console.Write((char)nextCharacter);
}
continue;
}
if (char.IsDigit((char)nextCharacter))
{
if (2 <= answer.Length)
{
continue;
}
if ("Q" == answer)
{
continue;
}
answer += (char)nextCharacter;
Console.Write((char)nextCharacter);
}
if ((0 < answer.Length) && (0x0D == (char)nextCharacter))
{
Console.WriteLine();
break;
}
continue;
}
// Got an answer.
newMenu = null;
if ("Q" == answer)
{
return(true);
}
int choice = int.Parse(answer) - 1;
if ((0 > choice) || (_items.Count < choice))
{
continue;
}
MenuItem selectedItem = _items[choice];
selectedItem.Handler(selectedItem.Tag, out newMenu);
return(false);
}
}
