3 * Copyright (c) 2020 Project CHIP Authors
4 * Copyright (c) 2018 Google LLC.
5 * Copyright (c) 2016-2017 Nest Labs, Inc.
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
20 * This file defines builder in CHIP interaction model
31 using namespace chip::TLV;
35 Builder::Builder() : mError(CHIP_ERROR_INCORRECT_STATE), mpWriter(NULL), mOuterContainerType(chip::TLV::kTLVType_NotSpecified) {}
37 void Builder::Init(chip::TLV::TLVWriter * const apWriter, chip::TLV::TLVType aOuterContainerType)
40 mOuterContainerType = aOuterContainerType;
43 void Builder::ResetError()
45 ResetError(CHIP_NO_ERROR);
48 void Builder::ResetError(CHIP_ERROR aErr)
51 mOuterContainerType = chip::TLV::kTLVType_NotSpecified;
54 void Builder::EndOfContainer()
56 // skip if error has already been set
57 SuccessOrExit(mError);
59 mError = mpWriter->EndContainer(mOuterContainerType);
60 SuccessOrExit(mError);
62 // we've just closed properly
63 // mark it so we do not panic when the build object destructor is called
64 mOuterContainerType = chip::TLV::kTLVType_NotSpecified;
69 CHIP_ERROR Builder::InitAnonymousStructure(chip::TLV::TLVWriter * const apWriter)
72 mOuterContainerType = chip::TLV::kTLVType_NotSpecified;
73 mError = mpWriter->StartContainer(chip::TLV::AnonymousTag, chip::TLV::kTLVType_Structure, mOuterContainerType);
74 ChipLogFunctError(mError);