/** * * Copyright (c) 2021 Project CHIP 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 * * http://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 "ClusterPathIB.h" #include "StructBuilder.h" #include "StructParser.h" #include #include #include #include #include #include namespace chip { namespace app { namespace DataVersionFilterIB { enum class Tag : uint8_t { kPath = 0, kDataVersion = 1, }; class Parser : public StructParser { public: #if CHIP_CONFIG_IM_PRETTY_PRINT CHIP_ERROR PrettyPrint() const; #endif // CHIP_CONFIG_IM_PRETTY_PRINT /** * @brief Get a TLVReader for the AttributePathIB. Next() must be called before accessing them. * * @param [in] apPath A pointer to apPath * * @return #CHIP_NO_ERROR on success * #CHIP_ERROR_WRONG_TLV_TYPE if there is such element but it's not a Path * #CHIP_END_OF_TLV if there is no such element */ CHIP_ERROR GetPath(ClusterPathIB::Parser * const apPath) const; /** * @brief Get the DataVersion. * * @param [in] apVersion A pointer to apVersion * * @return #CHIP_NO_ERROR on success * #CHIP_ERROR_WRONG_TLV_TYPE if there is such element but it's not any of the defined unsigned integer types * #CHIP_END_OF_TLV if there is no such element */ CHIP_ERROR GetDataVersion(chip::DataVersion * const apVersion) const; }; class Builder : public StructBuilder { public: /** * @brief Initialize a ClusterPathIB::Builder for writing into the TLV stream * * @return A reference to ClusterPathIB::Builder */ ClusterPathIB::Builder & CreatePath(); /** * @brief Inject DataVersion into the TLV stream to indicate the numerical data version associated with * the cluster that is referenced by the path. * * @param [in] aDataVersion The unsigned integer variable * * @return A reference to *this */ DataVersionFilterIB::Builder & DataVersion(const chip::DataVersion aDataVersion); /** * @brief Mark the end of this DataVersionFilterIB * * @return The builder's final status. */ CHIP_ERROR EndOfDataVersionFilterIB(); private: ClusterPathIB::Builder mPath; }; }; // namespace DataVersionFilterIB }; // namespace app }; // namespace chip