Config: Extract ConfigLocation

Source/Core/Core/Config/Config.cpp

@@ -0,0 +1,25 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <tuple>
+
+#include "Core/Config/Config.h"
+
+namespace Config
+{
+bool ConfigLocation::operator==(const ConfigLocation& other) const
+{
+  return std::tie(system, section, key) == std::tie(other.system, other.section, other.key);
+}
+
+bool ConfigLocation::operator!=(const ConfigLocation& other) const
+{
+  return !(*this == other);
+}
+
+bool ConfigLocation::operator<(const ConfigLocation& other) const
+{
+  return std::tie(system, section, key) < std::tie(other.system, other.section, other.key);
+}
+}  // namespace Config

Source/Core/Core/Config/Config.h

@@ -0,0 +1,21 @@
+// Copyright 2017 Dolphin Emulator Project
+// Licensed under GPLv2+
+// Refer to the license.txt file included.
+
+#include <string>
+
+#include "Common/Config/Enums.h"
+
+namespace Config
+{
+struct ConfigLocation
+{
+  System system;
+  std::string section;
+  std::string key;
+
+  bool operator==(const ConfigLocation& other) const;
+  bool operator!=(const ConfigLocation& other) const;
+  bool operator<(const ConfigLocation& other) const;
+};
+}  // namespace Config