#ifndef BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP #define BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP // MS compatible compilers support #pragma once #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // unescape.hpp // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . // Use, modification and distribution is subject to 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 for updates, documentation, and revision history. #include <boost/assert.hpp> #include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME #include <boost/iterator/iterator_adaptor.hpp> //#include <boost/iterator/iterator_traits.hpp> #include <boost/pointee.hpp> namespace boost { namespace archive { namespace iterators { /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 // class used by text archives to translate char strings to wchar_t // strings of the currently selected locale template<class Derived, class Base> class unescape : public boost::iterator_adaptor< unescape<Derived, Base>, Base, BOOST_DEDUCED_TYPENAME pointee<Base>::type, single_pass_traversal_tag, BOOST_DEDUCED_TYPENAME pointee<Base>::type > { friend class boost::iterator_core_access; typedef BOOST_DEDUCED_TYPENAME boost::iterator_adaptor< unescape<Derived, Base>, Base, BOOST_DEDUCED_TYPENAME pointee<Base>::type, single_pass_traversal_tag, BOOST_DEDUCED_TYPENAME pointee<Base>::type > super_t; typedef unescape<Derived, Base> this_t; public: typedef BOOST_DEDUCED_TYPENAME this_t::value_type value_type; typedef BOOST_DEDUCED_TYPENAME this_t::reference reference; private: value_type dereference_impl() { if(! m_full){ m_current_value = static_cast<Derived *>(this)->drain(); m_full = true; } return m_current_value; } reference dereference() const { return const_cast<this_t *>(this)->dereference_impl(); } value_type m_current_value; bool m_full; void increment(){ ++(this->base_reference()); dereference_impl(); m_full = false; }; public: unescape(Base base) : super_t(base), m_full(false) {} }; } // namespace iterators } // namespace archive } // namespace boost #endif // BOOST_ARCHIVE_ITERATORS_UNESCAPE_HPP