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Diffstat (limited to 'NorthstarDedicatedTest/include/rapidjson/stringbuffer.h')
-rw-r--r-- | NorthstarDedicatedTest/include/rapidjson/stringbuffer.h | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/NorthstarDedicatedTest/include/rapidjson/stringbuffer.h b/NorthstarDedicatedTest/include/rapidjson/stringbuffer.h new file mode 100644 index 00000000..78f34d20 --- /dev/null +++ b/NorthstarDedicatedTest/include/rapidjson/stringbuffer.h @@ -0,0 +1,117 @@ +// 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_STRINGBUFFER_H_ +#define RAPIDJSON_STRINGBUFFER_H_ + +#include "stream.h" +#include "internal/stack.h" + +#if RAPIDJSON_HAS_CXX11_RVALUE_REFS +#include <utility> // std::move +#endif + +#include "internal/stack.h" + +#if defined(__clang__) +RAPIDJSON_DIAG_PUSH +RAPIDJSON_DIAG_OFF(c++98-compat) +#endif + +RAPIDJSON_NAMESPACE_BEGIN + +//! Represents an in-memory output stream. +/*! + \tparam Encoding Encoding of the stream. + \tparam Allocator type for allocating memory buffer. + \note implements Stream concept +*/ +template <typename Encoding, typename Allocator = CrtAllocator> +class GenericStringBuffer { +public: + typedef typename Encoding::Ch Ch; + + GenericStringBuffer(Allocator* allocator = 0, size_t capacity = kDefaultCapacity) : stack_(allocator, capacity) {} + +#if RAPIDJSON_HAS_CXX11_RVALUE_REFS + GenericStringBuffer(GenericStringBuffer&& rhs) : stack_(std::move(rhs.stack_)) {} + GenericStringBuffer& operator=(GenericStringBuffer&& rhs) { + if (&rhs != this) + stack_ = std::move(rhs.stack_); + return *this; + } +#endif + + void Put(Ch c) { *stack_.template Push<Ch>() = c; } + void PutUnsafe(Ch c) { *stack_.template PushUnsafe<Ch>() = c; } + void Flush() {} + + void Clear() { stack_.Clear(); } + void ShrinkToFit() { + // Push and pop a null terminator. This is safe. + *stack_.template Push<Ch>() = '\0'; + stack_.ShrinkToFit(); + stack_.template Pop<Ch>(1); + } + + void Reserve(size_t count) { stack_.template Reserve<Ch>(count); } + Ch* Push(size_t count) { return stack_.template Push<Ch>(count); } + Ch* PushUnsafe(size_t count) { return stack_.template PushUnsafe<Ch>(count); } + void Pop(size_t count) { stack_.template Pop<Ch>(count); } + + const Ch* GetString() const { + // Push and pop a null terminator. This is safe. + *stack_.template Push<Ch>() = '\0'; + stack_.template Pop<Ch>(1); + + return stack_.template Bottom<Ch>(); + } + + size_t GetSize() const { return stack_.GetSize(); } + + static const size_t kDefaultCapacity = 256; + mutable internal::Stack<Allocator> stack_; + +private: + // Prohibit copy constructor & assignment operator. + GenericStringBuffer(const GenericStringBuffer&); + GenericStringBuffer& operator=(const GenericStringBuffer&); +}; + +//! String buffer with UTF8 encoding +typedef GenericStringBuffer<UTF8<> > StringBuffer; + +template<typename Encoding, typename Allocator> +inline void PutReserve(GenericStringBuffer<Encoding, Allocator>& stream, size_t count) { + stream.Reserve(count); +} + +template<typename Encoding, typename Allocator> +inline void PutUnsafe(GenericStringBuffer<Encoding, Allocator>& stream, typename Encoding::Ch c) { + stream.PutUnsafe(c); +} + +//! Implement specialized version of PutN() with memset() for better performance. +template<> +inline void PutN(GenericStringBuffer<UTF8<> >& stream, char c, size_t n) { + std::memset(stream.stack_.Push<char>(n), c, n * sizeof(c)); +} + +RAPIDJSON_NAMESPACE_END + +#if defined(__clang__) +RAPIDJSON_DIAG_POP +#endif + +#endif // RAPIDJSON_STRINGBUFFER_H_ |