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virtual file system preliminary implementation.

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morkt
2015-08-31 10:48:27 +04:00
parent 47b3d6adf0
commit 9d1d320cd2
19 changed files with 352 additions and 350 deletions
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105
App.xaml.cs
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@@ -49,16 +49,6 @@ namespace GARbro.GUI
/// </summary>
public string InitPath { get; private set; }
/// <summary>
/// Path to the currently open archive, or empty string if none.
/// </summary>
public string CurrentPath { get; private set; }
/// <summary>
/// Archive file being browsed, or null.
/// </summary>
public ArcFile CurrentArchive { get; private set; }
void ApplicationStartup (object sender, StartupEventArgs e)
{
#if DEBUG
@@ -90,106 +80,11 @@ namespace GARbro.GUI
if (string.IsNullOrEmpty (InitPath))
InitPath = Directory.GetCurrentDirectory();
CurrentPath = "";
}
void ApplicationExit (object sender, ExitEventArgs e)
{
Settings.Default.Save();
}
public ICollection<Entry> GetDirectoryList (string path)
{
var info = new DirectoryInfo (path);
var list = new List<Entry>();
foreach (var subdir in info.EnumerateDirectories())
{
if (0 != (subdir.Attributes & (FileAttributes.Hidden | FileAttributes.System)))
continue;
list.Add (new SubDirEntry (subdir.Name));
}
foreach (var file in info.EnumerateFiles())
{
if (0 != (file.Attributes & (FileAttributes.System)))
continue;
var entry = FormatCatalog.Instance.Create<Entry> (file.Name);
entry.Size = (uint)Math.Min (file.Length, uint.MaxValue);
list.Add (entry);
}
return list;
}
public ArcFile GetArchive (string path)
{
if (path.Equals (CurrentPath, StringIgnoreCase))
return CurrentArchive;
FormatCatalog.Instance.LastError = null;
var arc = ArcFile.TryOpen (path);
if (null == arc)
{
if (null != FormatCatalog.Instance.LastError)
throw FormatCatalog.Instance.LastError;
throw new UnknownFormatException();
}
if (null != CurrentArchive)
CurrentArchive.Dispose();
CurrentPath = path;
CurrentArchive = arc;
return CurrentArchive;
}
public void ResetCache ()
{
if (null != CurrentArchive)
CurrentArchive.Dispose();
CurrentArchive = null;
CurrentPath = "";
}
// Update UI on demand.
private static DispatcherOperationCallback exitFrameCallback =
new DispatcherOperationCallback(ExitFrame);
/// <summary>
/// Processes all UI messages currently in the message queue.
/// </summary>
public static void DoEvents()
{
// Create new nested message pump.
DispatcherFrame nestedFrame = new DispatcherFrame();
// Dispatch a callback to the current message queue, when getting called,
// this callback will end the nested message loop.
// note that the priority of this callback should be lower than the that of UI event messages.
DispatcherOperation exitOperation = Dispatcher.CurrentDispatcher.BeginInvoke(
DispatcherPriority.Background, exitFrameCallback, nestedFrame);
// pump the nested message loop, the nested message loop will
// immediately process the messages left inside the message queue.
Dispatcher.PushFrame(nestedFrame);
// If the "exitFrame" callback doesn't get finished, Abort it.
if (exitOperation.Status != DispatcherOperationStatus.Completed)
exitOperation.Abort();
}
static Object ExitFrame(Object state)
{
DispatcherFrame frame = state as DispatcherFrame;
// Exit the nested message loop.
frame.Continue = false;
return null;
}
}
public class UnknownFormatException : Exception
{
public UnknownFormatException () : base (guiStrings.MsgUnknownFormat) { }
public UnknownFormatException (string path)
: base (string.Format ("{1}: {0}", guiStrings.MsgUnknownFormat, path))
{ }
}
}