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// Copyright 2006-2008 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef NET_HTTP_HTTP_VERSION_H_
#define NET_HTTP_HTTP_VERSION_H_
#include <stdint.h>
#include <compare>
namespace net {
// Wrapper for an HTTP (major,minor) version pair.
// This type is final as the type is copy-constructable and assignable and so
// there is a risk of slicing if it was subclassed.
class HttpVersion final {
public:
// Default constructor (major=0, minor=0).
constexpr HttpVersion() : value_(0) {}
// Build from unsigned major/minor pair.
constexpr HttpVersion(uint16_t major, uint16_t minor)
: value_(static_cast<uint32_t>(major << 16) | minor) {}
constexpr HttpVersion(const HttpVersion& rhs) = default;
constexpr HttpVersion& operator=(const HttpVersion& rhs) = default;
// Major version number.
constexpr uint16_t major_value() const { return value_ >> 16; }
// Minor version number.
constexpr uint16_t minor_value() const { return value_ & 0xffff; }
// Overloaded operators:
friend constexpr bool operator==(const HttpVersion&,
const HttpVersion&) = default;
friend constexpr auto operator<=>(const HttpVersion&,
const HttpVersion&) = default;
private:
uint32_t value_; // Packed as <major>:<minor>
};
} // namespace net
#endif // NET_HTTP_HTTP_VERSION_H_
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