Minh Nguyen / ArduinoJson

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Show/hide line numbers StdStreamReader.hpp Source File

StdStreamReader.hpp

00001 // ArduinoJson - arduinojson.org
00002 // Copyright Benoit Blanchon 2014-2021
00003 // MIT License
00004 
00005 #pragma once
00006 
00007 #include <istream>
00008 
00009 namespace ARDUINOJSON_NAMESPACE {
00010 
00011 template <typename TSource>
00012 struct Reader<TSource, typename enable_if<
00013                            is_base_of<std::istream, TSource>::value>::type> {
00014  public:
00015   explicit Reader(std::istream& stream) : _stream(&stream) {}
00016 
00017   int read() {
00018     return _stream->get();
00019   }
00020 
00021   size_t readBytes(char* buffer, size_t length) {
00022     _stream->read(buffer, static_cast<std::streamsize>(length));
00023     return static_cast<size_t>(_stream->gcount());
00024   }
00025 
00026  private:
00027   std::istream* _stream;
00028 };
00029 }  // namespace ARDUINOJSON_NAMESPACE
Generated on Wed Jul 13 2022 01:10:36 by  doxygen 1.7.2