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diff --git a/include/rapidjson/istreamwrapper.h b/include/rapidjson/istreamwrapper.h
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-// 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>
-#include <ios>
-
-#ifdef __clang__
-RAPIDJSON_DIAG_PUSH
-RAPIDJSON_DIAG_OFF(padded)
-#elif defined(_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;
-
- //! Constructor.
- /*!
- \param stream stream opened for read.
- */
- BasicIStreamWrapper(StreamType &stream) : stream_(stream), buffer_(peekBuffer_), bufferSize_(4), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
- Read();
- }
-
- //! Constructor.
- /*!
- \param stream stream opened for read.
- \param buffer user-supplied buffer.
- \param bufferSize size of buffer in bytes. Must >=4 bytes.
- */
- BasicIStreamWrapper(StreamType &stream, char* buffer, size_t bufferSize) : stream_(stream), buffer_(buffer), bufferSize_(bufferSize), bufferLast_(0), current_(buffer_), readCount_(0), count_(0), eof_(false) {
- RAPIDJSON_ASSERT(bufferSize >= 4);
- Read();
- }
-
- Ch Peek() const { return *current_; }
- Ch Take() { Ch c = *current_; Read(); return c; }
- size_t Tell() const { return count_ + static_cast<size_t>(current_ - buffer_); }
-
- // Not implemented
- void Put(Ch) { RAPIDJSON_ASSERT(false); }
- void Flush() { RAPIDJSON_ASSERT(false); }
- Ch* PutBegin() { RAPIDJSON_ASSERT(false); return 0; }
- size_t PutEnd(Ch*) { RAPIDJSON_ASSERT(false); return 0; }
-
- // For encoding detection only.
- const Ch* Peek4() const {
- return (current_ + 4 - !eof_ <= bufferLast_) ? current_ : 0;
- }
-
-private:
- BasicIStreamWrapper();
- BasicIStreamWrapper(const BasicIStreamWrapper&);
- BasicIStreamWrapper& operator=(const BasicIStreamWrapper&);
-
- void Read() {
- if (current_ < bufferLast_)
- ++current_;
- else if (!eof_) {
- count_ += readCount_;
- readCount_ = bufferSize_;
- bufferLast_ = buffer_ + readCount_ - 1;
- current_ = buffer_;
-
- if (!stream_.read(buffer_, static_cast<std::streamsize>(bufferSize_))) {
- readCount_ = static_cast<size_t>(stream_.gcount());
- *(bufferLast_ = buffer_ + readCount_) = '\0';
- eof_ = true;
- }
- }
- }
-
- StreamType &stream_;
- Ch peekBuffer_[4], *buffer_;
- size_t bufferSize_;
- Ch *bufferLast_;
- Ch *current_;
- size_t readCount_;
- size_t count_; //!< Number of characters read
- bool eof_;
-};
-
-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_