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Added helpers to reduce code copied over when created scene new scene…
… handlers
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| /* | ||
| * | ||
| * Copyright (c) 2023 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. | ||
| */ | ||
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| #include <app/clusters/scenes-server/SceneHandlerImpl.h> | ||
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| namespace chip { | ||
| namespace scenes { | ||
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| CHIP_ERROR | ||
| DefaultSceneHandlerImpl::EncodeAttributeValueList(const List<AttributeValuePairType> & aVlist, MutableByteSpan & serializedBytes) | ||
| { | ||
| TLV::TLVWriter writer; | ||
| writer.Init(serializedBytes); | ||
| ReturnErrorOnFailure(app::DataModel::Encode(writer, TLV::AnonymousTag(), aVlist)); | ||
| serializedBytes.reduce_size(writer.GetLengthWritten()); | ||
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| return CHIP_NO_ERROR; | ||
| } | ||
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| CHIP_ERROR DefaultSceneHandlerImpl::DecodeAttributeValueList(const ByteSpan & serializedBytes, | ||
| DecodableList<AttributeValuePairDecodableType> & aVlist) | ||
| { | ||
| TLV::TLVReader reader; | ||
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| reader.Init(serializedBytes); | ||
| ReturnErrorOnFailure(reader.Next(TLV::kTLVType_Array, TLV::AnonymousTag())); | ||
| ReturnErrorOnFailure(aVlist.Decode(reader)); | ||
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| return CHIP_NO_ERROR; | ||
| } | ||
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| CHIP_ERROR | ||
| DefaultSceneHandlerImpl::SerializeAdd(EndpointId endpoint, const ExtensionFieldSetDecodableType & extensionFieldSet, | ||
| MutableByteSpan & serializedBytes) | ||
| { | ||
| AttributeValuePairType aVPairs[kMaxAvPair]; | ||
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| size_t pairTotal = 0; | ||
| // Verify size of list | ||
| ReturnErrorOnFailure(extensionFieldSet.attributeValueList.ComputeSize(&pairTotal)); | ||
| VerifyOrReturnError(pairTotal <= ArraySize(aVPairs), CHIP_ERROR_BUFFER_TOO_SMALL); | ||
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| uint8_t pairCount = 0; | ||
| auto pair_iterator = extensionFieldSet.attributeValueList.begin(); | ||
| while (pair_iterator.Next()) | ||
| { | ||
| aVPairs[pairCount] = pair_iterator.GetValue(); | ||
| pairCount++; | ||
| } | ||
| ReturnErrorOnFailure(pair_iterator.GetStatus()); | ||
| List<AttributeValuePairType> attributeValueList(aVPairs, pairCount); | ||
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| return EncodeAttributeValueList(attributeValueList, serializedBytes); | ||
| } | ||
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| CHIP_ERROR DefaultSceneHandlerImpl::Deserialize(EndpointId endpoint, ClusterId cluster, const ByteSpan & serializedBytes, | ||
| ExtensionFieldSetType & extensionFieldSet) | ||
| { | ||
| DecodableList<AttributeValuePairDecodableType> attributeValueList; | ||
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| ReturnErrorOnFailure(DecodeAttributeValueList(serializedBytes, attributeValueList)); | ||
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| // Verify size of list | ||
| size_t pairTotal = 0; | ||
| ReturnErrorOnFailure(attributeValueList.ComputeSize(&pairTotal)); | ||
| VerifyOrReturnError(pairTotal <= ArraySize(mAVPairs), CHIP_ERROR_BUFFER_TOO_SMALL); | ||
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| uint8_t pairCount = 0; | ||
| auto pair_iterator = attributeValueList.begin(); | ||
| while (pair_iterator.Next()) | ||
| { | ||
| mAVPairs[pairCount] = pair_iterator.GetValue(); | ||
| pairCount++; | ||
| }; | ||
| ReturnErrorOnFailure(pair_iterator.GetStatus()); | ||
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| extensionFieldSet.clusterID = cluster; | ||
| extensionFieldSet.attributeValueList = mAVPairs; | ||
| extensionFieldSet.attributeValueList.reduce_size(pairCount); | ||
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| return CHIP_NO_ERROR; | ||
| } | ||
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| } // namespace scenes | ||
| } // namespace chip |
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