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author | BobTheBob <32057864+BobTheBob9@users.noreply.github.com> | 2022-05-27 01:13:14 +0100 |
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committer | BobTheBob <32057864+BobTheBob9@users.noreply.github.com> | 2022-05-27 01:13:14 +0100 |
commit | 0de847bb4832c201233c87fa37867b9d89f0e8c8 (patch) | |
tree | f05add722b788d32aae40663e7748234452a3443 /NorthstarDLL/include/rapidjson/memorystream.h | |
parent | 2171d95e1221442081bade7929c05b82ca0f2a08 (diff) | |
download | NorthstarLauncher-0de847bb4832c201233c87fa37867b9d89f0e8c8.tar.gz NorthstarLauncher-0de847bb4832c201233c87fa37867b9d89f0e8c8.zip |
rename project folder (:tf: commit log)
Diffstat (limited to 'NorthstarDLL/include/rapidjson/memorystream.h')
-rw-r--r-- | NorthstarDLL/include/rapidjson/memorystream.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/NorthstarDLL/include/rapidjson/memorystream.h b/NorthstarDLL/include/rapidjson/memorystream.h new file mode 100644 index 00000000..1d71d8a4 --- /dev/null +++ b/NorthstarDLL/include/rapidjson/memorystream.h @@ -0,0 +1,71 @@ +// 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_MEMORYSTREAM_H_ +#define RAPIDJSON_MEMORYSTREAM_H_ + +#include "stream.h" + +#ifdef __clang__ +RAPIDJSON_DIAG_PUSH +RAPIDJSON_DIAG_OFF(unreachable-code) +RAPIDJSON_DIAG_OFF(missing-noreturn) +#endif + +RAPIDJSON_NAMESPACE_BEGIN + +//! Represents an in-memory input byte stream. +/*! + This class is mainly for being wrapped by EncodedInputStream or AutoUTFInputStream. + + It is similar to FileReadBuffer but the source is an in-memory buffer instead of a file. + + Differences between MemoryStream and StringStream: + 1. StringStream has encoding but MemoryStream is a byte stream. + 2. MemoryStream needs size of the source buffer and the buffer don't need to be null terminated. StringStream assume null-terminated string as source. + 3. MemoryStream supports Peek4() for encoding detection. StringStream is specified with an encoding so it should not have Peek4(). + \note implements Stream concept +*/ +struct MemoryStream { + typedef char Ch; // byte + + MemoryStream(const Ch *src, size_t size) : src_(src), begin_(src), end_(src + size), size_(size) {} + + Ch Peek() const { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_; } + Ch Take() { return RAPIDJSON_UNLIKELY(src_ == end_) ? '\0' : *src_++; } + size_t Tell() const { return static_cast<size_t>(src_ - begin_); } + + Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; } + void Put(Ch) { RAPIDJSON_ASSERT(false); } + void Flush() { RAPIDJSON_ASSERT(false); } + size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; } + + // For encoding detection only. + const Ch* Peek4() const { + return Tell() + 4 <= size_ ? src_ : 0; + } + + const Ch* src_; //!< Current read position. + const Ch* begin_; //!< Original head of the string. + const Ch* end_; //!< End of stream. + size_t size_; //!< Size of the stream. +}; + +RAPIDJSON_NAMESPACE_END + +#ifdef __clang__ +RAPIDJSON_DIAG_POP +#endif + +#endif // RAPIDJSON_MEMORYBUFFER_H_ |