[mojo] Ports EDK

mojo/edk/system/ports/name.h

+// Copyright 2016 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef MOJO_EDK_SYSTEM_PORTS_NAME_H_
+#define MOJO_EDK_SYSTEM_PORTS_NAME_H_
+
+#include <stdint.h>
+
+#include <ostream>
+
+namespace mojo {
+namespace edk {
+namespace ports {
+
+struct Name {
+  Name(uint64_t v1, uint64_t v2) : v1(v1), v2(v2) {}
+  uint64_t v1, v2;
+};
+
+inline bool operator==(const Name& a, const Name& b) {
+  return a.v1 == b.v1 && a.v2 == b.v2;
+}
+inline bool operator!=(const Name& a, const Name& b) {
+  return !(a == b);
+}
+std::ostream& operator<<(std::ostream& stream, const Name& name);
+
+struct PortName : Name {
+  PortName() : Name(0, 0) {}
+  PortName(uint64_t v1, uint64_t v2) : Name(v1, v2) {}
+};
+
+const PortName kInvalidPortName = {0, 0};
+
+struct NodeName : Name {
+  NodeName() : Name(0, 0) {}
+  NodeName(uint64_t v1, uint64_t v2) : Name(v1, v2) {}
+};
+
+const NodeName kInvalidNodeName = {0, 0};
+
+}  // namespace ports
+}  // namespace edk
+}  // namespace mojo
+
+#endif  // MOJO_EDK_SYSTEM_PORTS_NAME_H_