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Diffstat (limited to 'external/rapidjson/istreamwrapper.h')
m--------- | external/rapidjson | 0 | ||||
-rw-r--r-- | external/rapidjson/istreamwrapper.h | 115 |
2 files changed, 0 insertions, 115 deletions
diff --git a/external/rapidjson b/external/rapidjson new file mode 160000 +Subproject af223d44f4e8d3772cb1ac0ce8bc2a132b51717 diff --git a/external/rapidjson/istreamwrapper.h b/external/rapidjson/istreamwrapper.h deleted file mode 100644 index f5fe28977..000000000 --- a/external/rapidjson/istreamwrapper.h +++ /dev/null @@ -1,115 +0,0 @@ -// 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_ |