Move LogContext

#2368

Source/Engine/Core/LogContext.cpp

@@ -0,0 +1,42 @@
+#include "LogContexts.h"
+#include "Engine/Core/Types/Guid.h"
+#include "Engine/Core/Types/String.h"
+
+ThreadLocal<LogContextStack> LogContexts::CurrentLogContext;
+
+String LogContextFormatter::Format()
+{
+    LogContextData context = LogContexts::Get();
+    if (context.ObjectID != Guid::Empty)
+        return String::Format(TEXT("(Loading source was {0})"), context.ObjectID);
+
+    return String("");
+}
+
+void LogContexts::Set(const Guid& id)
+{
+    LogContextData context = LogContextData();
+    context.ObjectID = id;
+
+    LogContextStack contextStack = LogContexts::CurrentLogContext.Get();
+    contextStack.Stack.Push(context);
+
+    LogContexts::CurrentLogContext.Set(contextStack);
+}
+
+void LogContexts::Clear()
+{
+    LogContextStack contextStack = LogContexts::CurrentLogContext.Get();
+    contextStack.Stack.Pop();
+
+    LogContexts::CurrentLogContext.Set(contextStack);
+}
+
+LogContextData LogContexts::Get()
+{
+    LogContextStack contextStack = LogContexts::CurrentLogContext.Get();
+    if (contextStack.Stack.Count() == 0)
+        return LogContextData();
+
+    return contextStack.Stack.Last();
+}