Method XMLInputArchive

include/cereal/archives/xml.hpp:417–444

Construct, reading in from the provided stream ! Reads in an entire XML document from some stream and parses it as soon as serialization starts @param stream The stream to read from. Can be a stringstream or a file. */

          @param stream The stream to read from.  Can be a stringstream or a file. */
      XMLInputArchive( std::istream & stream ) :
        InputArchive<XMLInputArchive>( this ),
        itsData( std::istreambuf_iterator<char>( stream ), std::istreambuf_iterator<char>() )
      {
        try
        {
          itsData.push_back('\0'); // rapidxml will do terrible things without the data being null terminated
          itsXML.parse<rapidxml::parse_trim_whitespace | rapidxml::parse_no_data_nodes | rapidxml::parse_declaration_node>( reinterpret_cast<char *>( itsData.data() ) );
        }
        catch( rapidxml::parse_error const & )
        {
          //std::cerr << "-----Original-----" << std::endl;
          //stream.seekg(0);
          //std::cout << std::string( std::istreambuf_iterator<char>( stream ), std::istreambuf_iterator<char>() ) << std::endl;

          //std::cerr << "-----Error-----" << std::endl;
          //std::cerr << e.what() << std::endl;
          //std::cerr << e.where<char>() << std::endl;
          throw Exception("XML Parsing failed - likely due to invalid characters or invalid naming");
        }

        // Parse the root
        auto root = itsXML.first_node( xml_detail::CEREAL_XML_STRING );
        if( root == nullptr )
          throw Exception("Could not detect cereal root node - likely due to empty or invalid input");
        else
          itsNodes.emplace( root );
      }

      ~XMLInputArchive() CEREAL_NOEXCEPT = default;