mirror of https://github.com/axmolengine/axmol.git
53 lines
1.5 KiB
C
53 lines
1.5 KiB
C
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/*
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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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