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author | BobTheBob <32057864+BobTheBob9@users.noreply.github.com> | 2022-08-24 00:32:31 +0100 |
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committer | GeckoEidechse <gecko.eidechse+git@pm.me> | 2022-08-25 21:32:55 +0200 |
commit | 46bed8d09f32360377350d71816a76abdfbf2c7c (patch) | |
tree | 7feedae4910dbfe0e53d26ea1e00c4616d2c1850 /NorthstarDLL/include/rapidjson/istreamwrapper.h | |
parent | a97f1f07bb5aa31629cd87023e09669eb4bf1fe9 (diff) | |
download | NorthstarLauncher-46bed8d09f32360377350d71816a76abdfbf2c7c.tar.gz NorthstarLauncher-46bed8d09f32360377350d71816a76abdfbf2c7c.zip |
Adjust folder structure (#242)v1.9.5-rc1v1.9.5
* Adjust folder structure
* change launcher directory name
Diffstat (limited to 'NorthstarDLL/include/rapidjson/istreamwrapper.h')
-rw-r--r-- | NorthstarDLL/include/rapidjson/istreamwrapper.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/NorthstarDLL/include/rapidjson/istreamwrapper.h b/NorthstarDLL/include/rapidjson/istreamwrapper.h new file mode 100644 index 00000000..f5fe2897 --- /dev/null +++ b/NorthstarDLL/include/rapidjson/istreamwrapper.h @@ -0,0 +1,115 @@ +// 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_ISTREAMWRAPPER_H_ +#define RAPIDJSON_ISTREAMWRAPPER_H_ + +#include "stream.h" +#include <iosfwd> + +#ifdef __clang__ +RAPIDJSON_DIAG_PUSH +RAPIDJSON_DIAG_OFF(padded) +#endif + +#ifdef _MSC_VER +RAPIDJSON_DIAG_PUSH +RAPIDJSON_DIAG_OFF(4351) // new behavior: elements of array 'array' will be default initialized +#endif + +RAPIDJSON_NAMESPACE_BEGIN + +//! Wrapper of \c std::basic_istream into RapidJSON's Stream concept. +/*! + The classes can be wrapped including but not limited to: + + - \c std::istringstream + - \c std::stringstream + - \c std::wistringstream + - \c std::wstringstream + - \c std::ifstream + - \c std::fstream + - \c std::wifstream + - \c std::wfstream + + \tparam StreamType Class derived from \c std::basic_istream. +*/ + +template <typename StreamType> +class BasicIStreamWrapper { +public: + typedef typename StreamType::char_type Ch; + BasicIStreamWrapper(StreamType& stream) : stream_(stream), count_(), peekBuffer_() {} + + Ch Peek() const { + typename StreamType::int_type c = stream_.peek(); + return RAPIDJSON_LIKELY(c != StreamType::traits_type::eof()) ? static_cast<Ch>(c) : '\0'; + } + + Ch Take() { + typename StreamType::int_type c = stream_.get(); + if (RAPIDJSON_LIKELY(c != StreamType::traits_type::eof())) { + count_++; + return static_cast<Ch>(c); + } + else + return '\0'; + } + + // tellg() may return -1 when failed. So we count by ourself. + size_t Tell() const { return count_; } + + 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 { + RAPIDJSON_ASSERT(sizeof(Ch) == 1); // Only usable for byte stream. + int i; + bool hasError = false; + for (i = 0; i < 4; ++i) { + typename StreamType::int_type c = stream_.get(); + if (c == StreamType::traits_type::eof()) { + hasError = true; + stream_.clear(); + break; + } + peekBuffer_[i] = static_cast<Ch>(c); + } + for (--i; i >= 0; --i) + stream_.putback(peekBuffer_[i]); + return !hasError ? peekBuffer_ : 0; + } + +private: + BasicIStreamWrapper(const BasicIStreamWrapper&); + BasicIStreamWrapper& operator=(const BasicIStreamWrapper&); + + StreamType& stream_; + size_t count_; //!< Number of characters read. Note: + mutable Ch peekBuffer_[4]; +}; + +typedef BasicIStreamWrapper<std::istream> IStreamWrapper; +typedef BasicIStreamWrapper<std::wistream> WIStreamWrapper; + +#if defined(__clang__) || defined(_MSC_VER) +RAPIDJSON_DIAG_POP +#endif + +RAPIDJSON_NAMESPACE_END + +#endif // RAPIDJSON_ISTREAMWRAPPER_H_ |