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author | Jack <66967891+ASpoonPlaysGames@users.noreply.github.com> | 2023-12-27 00:32:01 +0000 |
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committer | GitHub <noreply@github.com> | 2023-12-27 01:32:01 +0100 |
commit | f5ab6fb5e8be7b73e6003d4145081d5e0c0ce287 (patch) | |
tree | 90f2c6a4885dbd181799e2325cf33588697674e1 /primedev/thirdparty/rapidjson/memorybuffer.h | |
parent | bb8ed59f6891b1196c5f5bbe7346cd171c8215fa (diff) | |
download | NorthstarLauncher-f5ab6fb5e8be7b73e6003d4145081d5e0c0ce287.tar.gz NorthstarLauncher-f5ab6fb5e8be7b73e6003d4145081d5e0c0ce287.zip |
Folder restructuring from primedev (#624)v1.21.2-rc3v1.21.2
Copies of over the primedev folder structure for easier cherry-picking of further changes
Co-authored-by: F1F7Y <filip.bartos07@proton.me>
Diffstat (limited to 'primedev/thirdparty/rapidjson/memorybuffer.h')
-rw-r--r-- | primedev/thirdparty/rapidjson/memorybuffer.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/primedev/thirdparty/rapidjson/memorybuffer.h b/primedev/thirdparty/rapidjson/memorybuffer.h new file mode 100644 index 00000000..39bee1de --- /dev/null +++ b/primedev/thirdparty/rapidjson/memorybuffer.h @@ -0,0 +1,70 @@ +// 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_ |