1 // Copyright 2016 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #ifndef MOJO_CORE_PORTS_NAME_H_
6 #define MOJO_CORE_PORTS_NAME_H_
7
8 #include <stdint.h>
9
10 #include <ostream>
11 #include <tuple>
12
13 #include "base/component_export.h"
14 #include "base/hash.h"
15
16 namespace mojo {
17 namespace core {
18 namespace ports {
19
COMPONENT_EXPORT(MOJO_CORE_PORTS)20 struct COMPONENT_EXPORT(MOJO_CORE_PORTS) Name {
21 Name(uint64_t v1, uint64_t v2) : v1(v1), v2(v2) {}
22 uint64_t v1, v2;
23 };
24
25 inline bool operator==(const Name& a, const Name& b) {
26 return a.v1 == b.v1 && a.v2 == b.v2;
27 }
28
29 inline bool operator!=(const Name& a, const Name& b) {
30 return !(a == b);
31 }
32
33 inline bool operator<(const Name& a, const Name& b) {
34 return std::tie(a.v1, a.v2) < std::tie(b.v1, b.v2);
35 }
36
37 COMPONENT_EXPORT(MOJO_CORE_PORTS)
38 std::ostream& operator<<(std::ostream& stream, const Name& name);
39
COMPONENT_EXPORT(MOJO_CORE_PORTS)40 struct COMPONENT_EXPORT(MOJO_CORE_PORTS) PortName : Name {
41 PortName() : Name(0, 0) {}
42 PortName(uint64_t v1, uint64_t v2) : Name(v1, v2) {}
43 };
44
45 extern COMPONENT_EXPORT(MOJO_CORE_PORTS) const PortName kInvalidPortName;
46
COMPONENT_EXPORT(MOJO_CORE_PORTS)47 struct COMPONENT_EXPORT(MOJO_CORE_PORTS) NodeName : Name {
48 NodeName() : Name(0, 0) {}
49 NodeName(uint64_t v1, uint64_t v2) : Name(v1, v2) {}
50 };
51
52 extern COMPONENT_EXPORT(MOJO_CORE_PORTS) const NodeName kInvalidNodeName;
53
54 } // namespace ports
55 } // namespace core
56 } // namespace mojo
57
58 namespace std {
59
60 template <>
COMPONENT_EXPORT(MOJO_CORE_PORTS)61 struct COMPONENT_EXPORT(MOJO_CORE_PORTS) hash<mojo::core::ports::PortName> {
62 std::size_t operator()(const mojo::core::ports::PortName& name) const {
63 return base::HashInts64(name.v1, name.v2);
64 }
65 };
66
67 template <>
COMPONENT_EXPORT(MOJO_CORE_PORTS)68 struct COMPONENT_EXPORT(MOJO_CORE_PORTS) hash<mojo::core::ports::NodeName> {
69 std::size_t operator()(const mojo::core::ports::NodeName& name) const {
70 return base::HashInts64(name.v1, name.v2);
71 }
72 };
73
74 } // namespace std
75
76 #endif // MOJO_CORE_PORTS_NAME_H_
77