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nullstream.hpp - Hosted on DriveHQ Cloud IT Platform
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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\test\utils\nullstream.hpp
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// (C) Copyright Gennadiy Rozental 2002-2007. // (C) Copyright Daryle Walker 2000-2001. // Distributed under the Boost Software License, Version 1.0. // (See accompanying file LICENSE_1_0.txt or copy at // http://www.boost.org/LICENSE_1_0.txt) // See http://www.boost.org/libs/test for the library home page. // // File : $RCSfile$ // // Version : $Revision: 41369 $ // // Description : simulate /dev/null stream // *************************************************************************** #ifndef BOOST_NULLSTREAM_HPP_071894GER #define BOOST_NULLSTREAM_HPP_071894GER #include
// for std::basic_ostream #include
// for std::basic_streambuf #include
// for std::char_traits #include
#include
//____________________________________________________________________________// namespace boost { // ************************************************************************** // // ************** basic_nullbuf ************** // // ************************************************************************** // // Class for a buffer that reads nothing and writes to nothing. // Idea from an Usenet post by Tom
at // 27 Oct 2000 14:06:21 GMT on comp.lang.c++. template
> class basic_nullbuf : public ::std::basic_streambuf
{ typedef ::std::basic_streambuf
base_type; public: // Types typedef typename base_type::char_type char_type; typedef typename base_type::traits_type traits_type; typedef typename base_type::int_type int_type; typedef typename base_type::pos_type pos_type; typedef typename base_type::off_type off_type; // Use automatic default constructor and destructor protected: // The default implementations of the miscellaneous virtual // member functions are sufficient. // The default implementations of the input & putback virtual // member functions, being nowhere but EOF, are sufficient. // The output virtual member functions need to be changed to // accept anything without any problems, instead of being at EOF. virtual ::std::streamsize xsputn( char_type const* /*s*/, ::std::streamsize n ) { return n; } // "s" is unused virtual int_type overflow( int_type c = traits_type::eof() ) { return traits_type::not_eof( c ); } }; typedef basic_nullbuf
nullbuf; typedef basic_nullbuf
wnullbuf; // ************************************************************************** // // ************** basic_onullstream ************** // // ************************************************************************** // // Output streams based on basic_nullbuf. #ifdef BOOST_MSVC # pragma warning(push) # pragma warning(disable: 4355) // 'this' : used in base member initializer list #endif template< typename CharType, class CharTraits = ::std::char_traits
> class basic_onullstream : private boost::base_from_member
> , public ::std::basic_ostream
{ typedef boost::base_from_member
> pbase_type; typedef ::std::basic_ostream
base_type; public: // Constructor basic_onullstream() : pbase_type(), base_type( &this->pbase_type::member ) {} }; #ifdef BOOST_MSVC # pragma warning(default: 4355) #endif typedef basic_onullstream
onullstream; typedef basic_onullstream
wonullstream; } // namespace boost //____________________________________________________________________________// #include
#endif // BOOST_NULLSTREAM_HPP_071894GER
nullstream.hpp
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