Open Source Computer Vision Library
https://opencv.org/
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53 lines
1.5 KiB
53 lines
1.5 KiB
/* |
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* Copyright 2021 Google Inc. All rights reserved. |
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* |
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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 FLATBUFFERS_BUFFER_REF_H_ |
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#define FLATBUFFERS_BUFFER_REF_H_ |
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#include "flatbuffers/base.h" |
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#include "flatbuffers/verifier.h" |
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namespace flatbuffers { |
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// Convenient way to bundle a buffer and its length, to pass it around |
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// typed by its root. |
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// A BufferRef does not own its buffer. |
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struct BufferRefBase {}; // for std::is_base_of |
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template<typename T> struct BufferRef : BufferRefBase { |
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BufferRef() : buf(nullptr), len(0), must_free(false) {} |
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BufferRef(uint8_t *_buf, uoffset_t _len) |
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: buf(_buf), len(_len), must_free(false) {} |
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~BufferRef() { |
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if (must_free) free(buf); |
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} |
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const T *GetRoot() const { return flatbuffers::GetRoot<T>(buf); } |
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bool Verify() { |
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Verifier verifier(buf, len); |
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return verifier.VerifyBuffer<T>(nullptr); |
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} |
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uint8_t *buf; |
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uoffset_t len; |
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bool must_free; |
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}; |
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} // namespace flatbuffers |
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#endif // FLATBUFFERS_BUFFER_REF_H_
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