chromium/third_party/webrtc/logging/rtc_event_log/encoder/var_int.cc

/*
 *  Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
 *
 *  Use of this source code is governed by a BSD-style license
 *  that can be found in the LICENSE file in the root of the source
 *  tree. An additional intellectual property rights grant can be found
 *  in the file PATENTS.  All contributing project authors may
 *  be found in the AUTHORS file in the root of the source tree.
 */

#include "logging/rtc_event_log/encoder/var_int.h"

#include <cstddef>
#include <cstdint>
#include <string>
#include <utility>

#include "absl/strings/string_view.h"
#include "rtc_base/bitstream_reader.h"
#include "rtc_base/checks.h"

// TODO(eladalon): Add unit tests.

namespace webrtc {

const size_t kMaxVarIntLengthBytes = …;  // ceil(64 / 7.0) is 10.

std::string EncodeVarInt(uint64_t input) { … }

// There is some code duplication between the flavors of this function.
// For performance's sake, it's best to just keep it.
std::pair<bool, absl::string_view> DecodeVarInt(absl::string_view input,
                                                uint64_t* output) { … }

// There is some code duplication between the flavors of this function.
// For performance's sake, it's best to just keep it.
uint64_t DecodeVarInt(BitstreamReader& input) { … }

}  // namespace webrtc