| // Copyright 2021 The Pigweed Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| // use this file except in compliance with the License. You may obtain a copy of |
| // the License at |
| // |
| // https://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| // License for the specific language governing permissions and limitations under |
| // the License. |
| |
| #pragma once |
| |
| #include <cstring> |
| #include <span> |
| |
| #include "pw_bytes/span.h" |
| #include "pw_log_rpc/log_filter.h" |
| #include "pw_result/result.h" |
| |
| namespace pw::log_rpc { |
| |
| // Holds an inmutable Filter map, ordered by filter ID to facilitate set up. |
| class FilterMap { |
| public: |
| explicit constexpr FilterMap(std::span<Filter> filters) : filters_(filters) {} |
| |
| // Not copyable nor movable. |
| FilterMap(FilterMap const&) = delete; |
| FilterMap& operator=(FilterMap const&) = delete; |
| FilterMap(FilterMap&&) = delete; |
| FilterMap& operator=(FilterMap&&) = delete; |
| |
| Result<Filter*> GetFilterFromId(ConstByteSpan id) const { |
| for (auto& filter : filters_) { |
| if (id.size() == filter.id().size() && |
| std::memcmp(id.data(), filter.id().data(), id.size()) == 0) { |
| return &filter; |
| } |
| } |
| return Status::NotFound(); |
| } |
| |
| const std::span<Filter>& filters() const { return filters_; } |
| |
| protected: |
| const std::span<Filter> filters_; |
| }; |
| |
| } // namespace pw::log_rpc |