mirror of
https://github.com/kidfromjupiter/nearby.git
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62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
// Copyright 2025 Google LLC
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// https://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "sharing/advertisement_capabilities.h"
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#include <cstdint>
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#include <vector>
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#include "absl/types/span.h"
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#include "sharing/internal/public/logging.h"
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namespace nearby::sharing {
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constexpr uint8_t kFileSyncMask = 0b00000001;
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AdvertisementCapabilities AdvertisementCapabilities::Parse(
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absl::Span<const uint8_t> data) {
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AdvertisementCapabilities capabilities{};
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for (const uint8_t byte : data) {
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switch (byte) {
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case static_cast<uint8_t>(Capability::kFileSync):
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capabilities.Add(Capability::kFileSync);
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break;
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default:
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continue;
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}
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}
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return capabilities;
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}
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std::vector<uint8_t> AdvertisementCapabilities::ToBytes() const {
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std::vector<uint8_t> bytes;
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for (const Capability capability : capabilities_) {
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switch (capability) {
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case Capability::kFileSync:
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if (bytes.empty()) {
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bytes.resize(1);
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}
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bytes[0] |= kFileSyncMask;
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break;
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default:
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LOG(DFATAL) << "Unhandled capability: "
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<< static_cast<uint8_t>(capability);
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break;
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}
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}
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return bytes;
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}
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} // namespace nearby::sharing
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