merge cuyler's PR

include/JSystem/JSupport/JSUIosBase.h

@@ -0,0 +1,21 @@
+#ifndef JSUIOSBASE_H
+#define JSUIOSBASE_H
+
+#include "types.h"
+#include "JSystem/JSupport/JSUStreamEnum.h"
+
+class JSUIosBase {
+public:
+  inline JSUIosBase() : mState(GOOD) { }
+
+  virtual ~JSUIosBase() { }
+
+  bool isGood() { return !this->mState; }
+  void clrState(EIoState ioState) { this->mState &= ~ioState; }
+  void setState(EIoState ioState) { this->mState |= ioState; }
+
+  u8 mState;
+};
+
+
+#endif