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// 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_CORE_PORTS_NAME_H_
#define MOJO_CORE_PORTS_NAME_H_
#include <stdint.h>
#include <ostream>
#include <tuple>
#include "base/logging.h"
#include "mozilla/HashFunctions.h"
#include "nsHashKeys.h"
namespace mojo {
namespace core {
namespace ports {
struct Name {
constexpr 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); }
inline bool operator<(const Name& a, const Name& b) {
return std::tie(a.v1, a.v2) < std::tie(b.v1, b.v2);
}
std::ostream& operator<<(std::ostream& stream, const Name& name);
mozilla::Logger& operator<<(mozilla::Logger& log, const Name& name);
struct PortName : Name {
constexpr PortName() : Name(0, 0) {}
constexpr PortName(uint64_t v1, uint64_t v2) : Name(v1, v2) {}
};
constexpr PortName kInvalidPortName{0, 0};
struct NodeName : Name {
constexpr NodeName() : Name(0, 0) {}
constexpr NodeName(uint64_t v1, uint64_t v2) : Name(v1, v2) {}
};
constexpr NodeName kInvalidNodeName{0, 0};
} // namespace ports
} // namespace core
} // namespace mojo
namespace mozilla {
template <>
inline PLDHashNumber Hash<mojo::core::ports::PortName>(
const mojo::core::ports::PortName& aValue) {
return mozilla::HashGeneric(aValue.v1, aValue.v2);
}
template <>
inline PLDHashNumber Hash<mojo::core::ports::NodeName>(
const mojo::core::ports::NodeName& aValue) {
return mozilla::HashGeneric(aValue.v1, aValue.v2);
}
using PortNameHashKey = nsGenericHashKey<mojo::core::ports::PortName>;
using NodeNameHashKey = nsGenericHashKey<mojo::core::ports::NodeName>;
} // namespace mozilla
namespace std {
template <>
struct hash<mojo::core::ports::PortName> {
std::size_t operator()(const mojo::core::ports::PortName& name) const {
// FIXME: PLDHashNumber is only 32-bits
return mozilla::Hash(name);
}
};
template <>
struct hash<mojo::core::ports::NodeName> {
std::size_t operator()(const mojo::core::ports::NodeName& name) const {
// FIXME: PLDHashNumber is only 32-bits
return mozilla::Hash(name);
}
};
} // namespace std
class PickleIterator;
namespace IPC {
template <typename T>
struct ParamTraits;
class Message;
class MessageReader;
class MessageWriter;
template <>
struct ParamTraits<mojo::core::ports::PortName> {
using paramType = mojo::core::ports::PortName;
static void Write(MessageWriter* aWriter, const paramType& aParam);
static bool Read(MessageReader* aReader, paramType* aResult);
};
template <>
struct ParamTraits<mojo::core::ports::NodeName> {
using paramType = mojo::core::ports::NodeName;
static void Write(MessageWriter* aWriter, const paramType& aParam);
static bool Read(MessageReader* aReader, paramType* aResult);
};
} // namespace IPC
#endif // MOJO_CORE_PORTS_NAME_H_
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