public void Load(IPersistable persistable)
{
using (BinaryReader reader = new BinaryReader(File.Open(_savePath, FileMode.Open)))
{
persistable.Load(new GameDataReader(reader));
}
}
void LoadDataFromPath(string path)
{
SetupPersistenceForPath(path);
customPersistenceData.Load();
ReadProperties();
ContainsUnsavedChanges = false;
}
private void LoadSettings(Story story)
{
var xml = Storage.RestoreStorySettings(story);
breakpointPersistence.Load(xml);
gameScriptPersistence.Load(xml);
routinePersistence.Load(xml);
}
internal static void LoadNotNull(this IPersistable obj, SettingsStorage settings, string name)
{
var value = settings.GetValue <SettingsStorage>(name);
if (value != null)
{
obj.Load(value);
}
}
public void Load(IPersistable entry)
{
DataSettings settings = entry.GetDataSettings();
if (settings.PersistanceType == PersistanceType.ReadOnly || settings.PersistanceType == PersistanceType.ReadWrite)
{
string uniqueID = settings.UniqueID;
if (!string.IsNullOrEmpty(uniqueID) && _data.ContainsKey(uniqueID))
{
entry.Load(_data[uniqueID]);
}
}
}
public void Undo(IPersistable persistable)
{
if (_history.Count == 0)
{
return;
}
string previous = _history.Pop();
using (Stream stream = GenerateStreamFromString(previous))
{
persistable.Load(new GameDataReader(new BinaryReader(stream)));
}
}
public void Load(IPersistable o, string filename)
{
var path = Path.Combine(_saveFolderPath, filename);
if (!File.Exists(path))
{
return;
}
var data = File.ReadAllBytes(path);
MemoryStream ms = new MemoryStream(data);
var reader = new BinaryReader(ms);
o.Load(new GameDataReader(reader, -reader.ReadInt32()));
}
static void Main(string[] args)
{
var person = new Person();
person.Save();
ISaveable s = person;
s.Save();
// note Load method is not available on interface instance
IPersistable p = (IPersistable)person;
Console.WriteLine(p.Save());
Console.WriteLine(p.Load());
// note Load method is not available on interface instance
Console.ReadLine();
}
protected virtual void WeaveOnException(IList <AspectData> allAspects, Instruction instructionCallStart, Instruction instructionCallEnd, Instruction instructionAfterCall, IPersistable returnValue)
{
var realInstructionAfterCall = instructionAfterCall ?? instructionCallEnd.Next;
var tryLeaveInstruction = Instruction.Create(OpCodes.Leave, realInstructionAfterCall);
_ilProcessor.InsertAfter(instructionCallEnd, tryLeaveInstruction);
var exception = _creator.SaveThrownException();
var exceptionHandlerCurrent = exception.InsertAfter(tryLeaveInstruction, _ilProcessor);
var pushException = _creator.LoadValueOnStack(exception);
exceptionHandlerCurrent = pushException.InsertAfter(exceptionHandlerCurrent, _ilProcessor);
var setExceptionFromStack =
_creator.SetMethodExecutionArgsExceptionFromStack(ExecutionArgs);
exceptionHandlerCurrent = setExceptionFromStack.InsertAfter(exceptionHandlerCurrent, _ilProcessor);
var returnAfterHandling = new InstructionBlockChain();
if (returnValue != null)
{
returnAfterHandling.Add(returnValue.Load(false, false));
}
returnAfterHandling.Add(new InstructionBlock("Return", Instruction.Create(OpCodes.Ret)));
var indices = allAspects
.Select((asp, index) => new { asp, index })
.Where(x => (x.asp.AspectMethods & AspectMethods.OnException) != 0)
.Select(x => x.index)
.Reverse()
.ToList();
foreach (var index in indices)
{
var onExceptionAspect = allAspects[index];
if (HasMultipleAspects)
{
var load = _creator.LoadMethodExecutionArgsTagFromPersistable(ExecutionArgs,
onExceptionAspect.TagPersistable);
exceptionHandlerCurrent = load.InsertAfter(exceptionHandlerCurrent, _ilProcessor);
}
var callAspectOnException =
_creator.CallAspectOnException(onExceptionAspect, ExecutionArgs);
var nop = new InstructionBlock("Nop", Instruction.Create(OpCodes.Nop));
var callOnExitsAndReturn = new InstructionBlockChain();
for (var i = index - 1; i >= 0; --i)
{
var jthAspect = allAspects[i];
if ((jthAspect.AspectMethods & AspectMethods.OnExit) == 0)
{
continue;
}
if (HasMultipleAspects)
{
callOnExitsAndReturn.Add(_creator.LoadMethodExecutionArgsTagFromPersistable(ExecutionArgs, jthAspect.TagPersistable));
}
callOnExitsAndReturn.Add(_creator.CallAspectOnExit(jthAspect, ExecutionArgs));
}
if (returnValue != null)
{
callOnExitsAndReturn.Add(_creator.ReadReturnValue(ExecutionArgs, returnValue));
}
callOnExitsAndReturn.Add(new InstructionBlock("Leave", Instruction.Create(OpCodes.Leave_S, returnAfterHandling.First)));
callAspectOnException.Add(_creator.IfFlowBehaviorIsAnyOf(ExecutionArgs, nop.First, callOnExitsAndReturn, 1, 3));
callAspectOnException.Add(nop);
callAspectOnException.InsertAfter(exceptionHandlerCurrent, _ilProcessor);
exceptionHandlerCurrent = callAspectOnException.Last;
}
var flowBehaviorHandler = new InstructionBlockChain();
flowBehaviorHandler.Add(new InstructionBlock("throw", Instruction.Create(OpCodes.Rethrow)));
flowBehaviorHandler.Add(new InstructionBlock("Leave", Instruction.Create(OpCodes.Leave_S, realInstructionAfterCall)));
flowBehaviorHandler.InsertAfter(exceptionHandlerCurrent, _ilProcessor);
returnAfterHandling.InsertAfter(flowBehaviorHandler.Last, _ilProcessor);
_method.Body.ExceptionHandlers.Add(new ExceptionHandler(ExceptionHandlerType.Catch)
{
CatchType = _creator.GetExceptionTypeReference(),
TryStart = instructionCallStart,
TryEnd = tryLeaveInstruction.Next,
HandlerStart = tryLeaveInstruction.Next,
HandlerEnd = flowBehaviorHandler.Last.Next
});
}
private void WeaveOnEntry(IPersistable returnValue)
{
var aspectsWithOnEntry = _aspects
.Select((asp, index) => new { aspect = asp, index })
.Where(x => (x.aspect.AspectMethods & AspectMethods.OnEntry) != 0)
.ToList();
foreach (var entry in aspectsWithOnEntry)
{
var aspect = entry.aspect;
var call = _creator.CallAspectOnEntry(aspect, ExecutionArgs);
AddToSetup(call);
if (HasMultipleAspects)
{
AddToSetup(_creator.SaveMethodExecutionArgsTagToPersistable(ExecutionArgs, aspect.TagPersistable));
}
var nopChain = new InstructionBlockChain();
nopChain.Add(new InstructionBlock(null, Instruction.Create(OpCodes.Nop)));
var flowChain = new InstructionBlockChain();
var onExitChain = new InstructionBlockChain();
if (_method.ReturnType.IsByReference)
{
var notSupportedExceptionCtorString =
_module.ImportReference(
_creator.GetExceptionTypeReference <NotSupportedException>()
.Resolve().Methods
.FirstOrDefault(m => m.IsConstructor && m.Parameters.Count == 1 && m.Parameters[0].ParameterType.FullName == "System.String"));
onExitChain.Add(new InstructionBlock("Throw NotSupported",
Instruction.Create(OpCodes.Ldstr, "Weaving early return from a method with a byref return type is not supported."),
Instruction.Create(OpCodes.Newobj, notSupportedExceptionCtorString),
Instruction.Create(OpCodes.Throw)));
}
else
{
for (var i = entry.index - 1; i >= 0; --i)
{
var onExitAspect = _aspects[i];
if ((onExitAspect.AspectMethods & AspectMethods.OnExit) == 0)
{
continue;
}
if (HasMultipleAspects)
{
onExitChain.Add(_creator.LoadMethodExecutionArgsTagFromPersistable(ExecutionArgs, onExitAspect.TagPersistable));
}
onExitChain.Add(_creator.CallAspectOnExit(onExitAspect, ExecutionArgs));
}
}
if (returnValue != null)
{
onExitChain.Add(_creator.ReadReturnValue(ExecutionArgs, returnValue));
onExitChain.Add(returnValue.Load(false, false));
}
onExitChain.Add(new InstructionBlock("Return", Instruction.Create(OpCodes.Ret)));
flowChain.Add(_creator.IfFlowBehaviorIsAnyOf(ExecutionArgs, nopChain.First, onExitChain, 3));
flowChain.Add(nopChain);
AddToSetup(flowChain);
}
}
