EMV keyfile support: Overall code improvements and bug fixes

src/Common/SCard.h

@@ -0,0 +1,27 @@
+#ifndef TC_HEADER_Common_SCard
+#define TC_HEADER_Common_SCard
+
+#include "Platform/PlatformBase.h"
+
+#include "SCardManager.h"
+
+namespace VeraCrypt
+{
+	class SCard
+	{
+    protected:
+        shared_ptr<SCardReader> m_reader;
+	public:
+		static SCardManager manager;
+		SCard();
+		SCard(size_t slotId);
+		SCard(const SCard& other);
+		SCard(SCard&& other);
+		SCard& operator = (const SCard& other);
+		SCard& operator = (SCard&& other);
+		virtual ~SCard();
+        bool IsCardHandleValid() const;
+	};
+}
+
+#endif // TC_HEADER_Common_SCard