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diff --git a/external/rapidjson/memorybuffer.h b/external/rapidjson/memorybuffer.h
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-// Tencent is pleased to support the open source community by making RapidJSON available.
-//
-// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
-//
-// Licensed under the MIT License (the "License"); you may not use this file except
-// in compliance with the License. You may obtain a copy of the License at
-//
-// http://opensource.org/licenses/MIT
-//
-// 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.
-
-#ifndef RAPIDJSON_MEMORYBUFFER_H_
-#define RAPIDJSON_MEMORYBUFFER_H_
-
-#include "stream.h"
-#include "internal/stack.h"
-
-RAPIDJSON_NAMESPACE_BEGIN
-
-//! Represents an in-memory output byte stream.
-/*!
- This class is mainly for being wrapped by EncodedOutputStream or AutoUTFOutputStream.
-
- It is similar to FileWriteBuffer but the destination is an in-memory buffer instead of a file.
-
- Differences between MemoryBuffer and StringBuffer:
- 1. StringBuffer has Encoding but MemoryBuffer is only a byte buffer.
- 2. StringBuffer::GetString() returns a null-terminated string. MemoryBuffer::GetBuffer() returns a buffer without terminator.
-
- \tparam Allocator type for allocating memory buffer.
- \note implements Stream concept
-*/
-template <typename Allocator = CrtAllocator>
-struct GenericMemoryBuffer {
- typedef char Ch; // byte
-
- GenericMemoryBuffer(Allocator* allocator = 0, size_t capacity = kDefaultCapacity) : stack_(allocator, capacity) {}
-
- void Put(Ch c) { *stack_.template Push<Ch>() = c; }
- void Flush() {}
-
- void Clear() { stack_.Clear(); }
- void ShrinkToFit() { stack_.ShrinkToFit(); }
- Ch* Push(size_t count) { return stack_.template Push<Ch>(count); }
- void Pop(size_t count) { stack_.template Pop<Ch>(count); }
-
- const Ch* GetBuffer() const {
- return stack_.template Bottom<Ch>();
- }
-
- size_t GetSize() const { return stack_.GetSize(); }
-
- static const size_t kDefaultCapacity = 256;
- mutable internal::Stack<Allocator> stack_;
-};
-
-typedef GenericMemoryBuffer<> MemoryBuffer;
-
-//! Implement specialized version of PutN() with memset() for better performance.
-template<>
-inline void PutN(MemoryBuffer& memoryBuffer, char c, size_t n) {
- std::memset(memoryBuffer.stack_.Push<char>(n), c, n * sizeof(c));
-}
-
-RAPIDJSON_NAMESPACE_END
-
-#endif // RAPIDJSON_MEMORYBUFFER_H_