public override string GetLine()
{
switch (CoreAction.Type)
{
case CoreRequest.Types.KeyPress:
return(MachineFile.KeyCommand(Id, CoreAction.Ticks, CoreAction.KeyCode, CoreAction.KeyDown));
case CoreRequest.Types.Reset:
return(MachineFile.ResetCommand(Id, CoreAction.Ticks));
case CoreRequest.Types.LoadDisc:
return(MachineFile.LoadDiscCommand(Id, CoreAction.Ticks, CoreAction.Drive, CoreAction.MediaBuffer.GetBytes()));
case CoreRequest.Types.LoadTape:
return(MachineFile.LoadTapeCommand(Id, CoreAction.Ticks, CoreAction.MediaBuffer.GetBytes()));
case CoreRequest.Types.CoreVersion:
return(MachineFile.VersionCommand(Id, CoreAction.Ticks, CoreAction.Version));
case CoreRequest.Types.RunUntil:
return(MachineFile.RunCommand(Id, CoreAction.Ticks, CoreAction.StopTicks));
default:
throw new ArgumentException(String.Format("Unrecognized core action type {0}.", CoreAction.Type), "type");
}
}
public bool Persist(IFileSystem fileSystem, string filepath)
{
using (AutoPause())
{
if (File != null)
{
// We already are persisted!
throw new InvalidOperationException("This machine is already persisted!");
}
if (String.IsNullOrEmpty(filepath))
{
throw new ArgumentException("Invalid filepath.", nameof(filepath));
}
ITextFile textFile = fileSystem.OpenTextFile(filepath);
MachineFile machineFile = new MachineFile(textFile, _history);
machineFile.WriteHistory(_name);
File = machineFile;
PersistantFilepath = filepath;
return(true);
}
}
/// <summary>
/// Rewrites the machine file according to the current in-memory representation of the timeline.
/// </summary>
/// <param name="diffsEnabled">Enable calculation of diffs. Setting this to true can cause compacting to take a long time.</param>
/// <remarks>
/// This is useful for compacting the size of the machine file, due to the fact that bookmark and timeline deletions don't actually
/// remove anything from the machine file, but simply log the fact they happened.
/// </remarks>
///
public void Compact(IFileSystem fileSystem)
{
// Only allow closed machines to compact!
if (!CanCompact())
{
throw new Exception("Can't compact an open machine!");
}
string oldFilepath = PersistantFilepath;
string newFilepath = oldFilepath + ".tmp";
MachineFileInfo info = null;
using (ITextFile textFile = fileSystem.OpenTextFile(oldFilepath))
{
info = MachineFile.Read(textFile);
}
using (ITextFile textFile = fileSystem.OpenTextFile(newFilepath))
using (MachineFile writer = new MachineFile(textFile, info.History))
{
writer.WriteHistory(info.Name);
}
fileSystem.ReplaceFile(oldFilepath, newFilepath);
}
static public LocalMachine GetClosedMachine(IFileSystem fileSystem, string filepath)
{
MachineFileInfo info = null;
using (ITextFile textFile = fileSystem.OpenTextFile(filepath))
{
info = MachineFile.Read(textFile);
}
LocalMachine machine = New(info.Name, info.History, filepath);
if (machine.History != null)
{
HistoryEvent historyEvent = machine.History.CurrentEvent.MostRecent <BookmarkHistoryEvent>();;
machine.Display.GetFromBookmark((historyEvent as BookmarkHistoryEvent)?.Bookmark);
machine.Display.EnableGreyscale(true);
}
return(machine);
}
public void OpenFromFile(IFileSystem fileSystem)
{
if (IsOpen)
{
return;
}
ITextFile textFile = null;
try
{
textFile = fileSystem.OpenTextFile(PersistantFilepath);
MachineFileInfo info = MachineFile.Read(textFile);
MachineFile file = new MachineFile(textFile, info.History, info.NextLineId);
_history = info.History;
_name = info.Name;
File = file;
BookmarkHistoryEvent historyEvent = _history.CurrentEvent.MostRecent <BookmarkHistoryEvent>();
SetCurrentEvent(historyEvent ?? _history.RootEvent);
// Should probably be monitoring the IsOpen property, I think...
Display.EnableGreyscale(false);
}
catch (Exception ex)
{
// Make sure we remove our lock on the machine file...
textFile?.Dispose();
textFile = null;
File = null;
throw ex;
}
}
public override string GetLine()
{
return(MachineFile.AddBookmarkCommand(Id, Ticks, Bookmark.System, Bookmark.Version, Node.CreateDate, Bookmark.State.GetBytes(), Bookmark.Screen.GetBytes()));
}