diff options
Diffstat (limited to 'third_party/libwebrtc/api/units/data_size.h')
-rw-r--r-- | third_party/libwebrtc/api/units/data_size.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/third_party/libwebrtc/api/units/data_size.h b/third_party/libwebrtc/api/units/data_size.h new file mode 100644 index 0000000000..9df6434fb9 --- /dev/null +++ b/third_party/libwebrtc/api/units/data_size.h @@ -0,0 +1,66 @@ +/* + * 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. + */ + +#ifndef API_UNITS_DATA_SIZE_H_ +#define API_UNITS_DATA_SIZE_H_ + +#ifdef WEBRTC_UNIT_TEST +#include <ostream> // no-presubmit-check TODO(webrtc:8982) +#endif // WEBRTC_UNIT_TEST + +#include <string> +#include <type_traits> + +#include "rtc_base/units/unit_base.h" // IWYU pragma: export + +namespace webrtc { +// DataSize is a class represeting a count of bytes. +class DataSize final : public rtc_units_impl::RelativeUnit<DataSize> { + public: + template <typename T> + static constexpr DataSize Bytes(T value) { + static_assert(std::is_arithmetic<T>::value, ""); + return FromValue(value); + } + static constexpr DataSize Infinity() { return PlusInfinity(); } + + DataSize() = delete; + + template <typename T = int64_t> + constexpr T bytes() const { + return ToValue<T>(); + } + + constexpr int64_t bytes_or(int64_t fallback_value) const { + return ToValueOr(fallback_value); + } + + private: + friend class rtc_units_impl::UnitBase<DataSize>; + using RelativeUnit::RelativeUnit; + static constexpr bool one_sided = true; +}; + +std::string ToString(DataSize value); +inline std::string ToLogString(DataSize value) { + return ToString(value); +} + +#ifdef WEBRTC_UNIT_TEST +inline std::ostream& operator<<( // no-presubmit-check TODO(webrtc:8982) + std::ostream& stream, // no-presubmit-check TODO(webrtc:8982) + DataSize value) { + return stream << ToString(value); +} +#endif // WEBRTC_UNIT_TEST + +} // namespace webrtc + +#endif // API_UNITS_DATA_SIZE_H_ |