mirror of
https://github.com/openharmony/distributed_camera.git
synced 2026-07-18 07:54:26 -04:00
zhuxu
61 lines
1.7 KiB
C++
61 lines
1.7 KiB
C++
/*
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* Copyright (c) 2021 Huawei Device Co., Ltd.
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef OHOS_DATA_BUFFER_H
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#define OHOS_DATA_BUFFER_H
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#include <map>
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#include <string>
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using std::string;
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using std::map;
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namespace OHOS {
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namespace DistributedHardware {
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class DataBuffer {
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public:
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DataBuffer(size_t capacity);
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size_t Size() const;
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size_t Offset() const;
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size_t Capacity() const;
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uint8_t *Data() const;
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int32_t SetRange(size_t offset, size_t size);
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void SetInt32(const string name, int32_t value);
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void SetInt64(const string name, int64_t value);
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void SetString(const string name, string value);
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bool FindInt32(const string& name, int32_t& value);
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bool FindInt64(const string& name, int64_t& value);
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bool FindString(const string& name, string& value);
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virtual ~DataBuffer();
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private:
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size_t capacity_ = 0;
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size_t rangeOffset_ = 0;
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size_t rangeLength_ = 0;
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uint8_t *data_ = nullptr;
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map<string, int32_t> int32Map_;
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map<string, int64_t> int64Map_;
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map<string, string> stringMap_;
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DataBuffer(const DataBuffer &) = delete;
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DataBuffer &operator = (const DataBuffer &) = delete;
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};
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} // namespace DistributedHardware
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} // namespace OHOS
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#endif // OHOS_DATA_BUFFER_H
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