blob: 6f019c9965b55b6f517a8c9cf4edc134851c7246 [file] [log] [blame]
/**
*
* Copyright (c) 2020-2021 Project CHIP Authors
* Copyright (c) 2016-2017 Nest Labs, Inc.
*
* 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 "AttributePathIB.h"
#include "StructBuilder.h"
#include "StructParser.h"
#include <app/AppBuildConfig.h>
#include <app/util/basic-types.h>
#include <lib/core/CHIPCore.h>
#include <lib/core/TLV.h>
#include <lib/support/CodeUtils.h>
#include <lib/support/logging/CHIPLogging.h>
namespace chip {
namespace app {
namespace AttributeDataIB {
enum class Tag : uint8_t
{
kDataVersion = 0,
kPath = 1,
kData = 2,
};
class Parser : public StructParser
{
public:
#if CHIP_CONFIG_IM_PRETTY_PRINT
CHIP_ERROR PrettyPrint() const;
#endif // CHIP_CONFIG_IM_PRETTY_PRINT
/**
* @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;
/**
* @brief Get a TLVReader for the AttributePathIB. Next() must be called before accessing them.
*
* @param [in] apAttributePath A pointer to apAttributePath
*
* @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(AttributePathIB::Parser * const apAttributePath) const;
/**
* @brief Get a TLVReader for the Data. Next() must be called before accessing them.
*
* @param [in] apReader A pointer to apReader
*
* @return #CHIP_NO_ERROR on success
* #CHIP_END_OF_TLV if there is no such element
*/
CHIP_ERROR GetData(TLV::TLVReader * const apReader) const;
};
class Builder : public StructBuilder
{
public:
/**
* @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 boolean variable to indicate if AttributeDataIB has version
*
* @return A reference to *this
*/
AttributeDataIB::Builder & DataVersion(const chip::DataVersion aDataVersion);
/**
* @brief Initialize a AttributePathIB::Builder for writing into the TLV stream
*
* @return A reference to AttributePathIB::Builder
*/
AttributePathIB::Builder & CreatePath();
/**
* @brief Mark the end of this AttributeDataIB
*
* @return A reference to *this
*/
AttributeDataIB::Builder & EndOfAttributeDataIB();
private:
AttributePathIB::Builder mPath;
};
} // namespace AttributeDataIB
} // namespace app
} // namespace chip