f75ab82b46
To support libraries and dependencies compatible with absl way of debug printing custom types. In particular gtest can use AbslStringify to produce nice output when unit types are compared with EXPECT macros. Bug: None Change-Id: Ie78293a225f61977f256f0234e07d166b1977e2d Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/364162 Reviewed-by: Harald Alvestrand <hta@webrtc.org> Commit-Queue: Danil Chapovalov <danilchap@webrtc.org> Cr-Commit-Position: refs/heads/main@{#43164}
65 lines
1.7 KiB
C++
65 lines
1.7 KiB
C++
/*
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* Copyright (c) 2018 The WebRTC project authors. All Rights Reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#ifndef API_UNITS_DATA_SIZE_H_
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#define API_UNITS_DATA_SIZE_H_
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#include <cstdint>
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#include <string>
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#include <type_traits>
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#include "rtc_base/system/rtc_export.h"
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#include "rtc_base/units/unit_base.h" // IWYU pragma: export
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namespace webrtc {
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// DataSize is a class represeting a count of bytes.
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class DataSize final : public rtc_units_impl::RelativeUnit<DataSize> {
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public:
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template <typename T>
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static constexpr DataSize Bytes(T value) {
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static_assert(std::is_arithmetic<T>::value, "");
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return FromValue(value);
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}
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static constexpr DataSize Infinity() { return PlusInfinity(); }
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DataSize() = delete;
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template <typename Sink>
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friend void AbslStringify(Sink& sink, DataSize value);
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template <typename T = int64_t>
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constexpr T bytes() const {
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return ToValue<T>();
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}
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constexpr int64_t bytes_or(int64_t fallback_value) const {
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return ToValueOr(fallback_value);
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}
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private:
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friend class rtc_units_impl::UnitBase<DataSize>;
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using RelativeUnit::RelativeUnit;
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static constexpr bool one_sided = true;
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};
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RTC_EXPORT std::string ToString(DataSize value);
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inline std::string ToLogString(DataSize value) {
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return ToString(value);
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}
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template <typename Sink>
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void AbslStringify(Sink& sink, DataSize value) {
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sink.Append(ToString(value));
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}
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} // namespace webrtc
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#endif // API_UNITS_DATA_SIZE_H_
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