Chris@16: #ifndef BOOST_ARCHIVE_ITERATORS_OSTREAM_ITERATOR_HPP
Chris@16: #define BOOST_ARCHIVE_ITERATORS_OSTREAM_ITERATOR_HPP
Chris@16: 
Chris@16: // MS compatible compilers support #pragma once
Chris@101: #if defined(_MSC_VER)
Chris@16: # pragma once
Chris@16: #endif
Chris@16: 
Chris@16: /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
Chris@16: // ostream_iterator.hpp
Chris@16: 
Chris@16: // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . 
Chris@16: // Use, modification and distribution is subject to the Boost Software
Chris@16: // License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
Chris@16: // http://www.boost.org/LICENSE_1_0.txt)
Chris@16: 
Chris@16: //  See http://www.boost.org for updates, documentation, and revision history.
Chris@16: 
Chris@16: // note: this is a custom version of the standard ostream_iterator.
Chris@16: // This is necessary as the standard version doesn't work as expected
Chris@16: // for wchar_t based streams on systems for which wchar_t not a true
Chris@16: // type but rather a synonym for some integer type.
Chris@16: 
Chris@16: #include <ostream>
Chris@16: #include <boost/iterator/iterator_facade.hpp>
Chris@16: 
Chris@16: namespace boost { 
Chris@16: namespace archive {
Chris@16: namespace iterators {
Chris@16: 
Chris@16: // given a type, make an input iterator based on a pointer to that type
Chris@16: template<class Elem>
Chris@16: class ostream_iterator :  
Chris@16:     public boost::iterator_facade<
Chris@16:         ostream_iterator<Elem>,
Chris@16:         Elem,
Chris@16:         std::output_iterator_tag,
Chris@16:         ostream_iterator<Elem> &
Chris@16:     >
Chris@16: {
Chris@16:     friend class boost::iterator_core_access;
Chris@16:     typedef ostream_iterator this_t ;
Chris@16:     typedef Elem char_type;
Chris@16:     typedef std::basic_ostream<char_type> ostream_type;
Chris@16: 
Chris@16:     //emulate the behavior of std::ostream 
Chris@16:     ostream_iterator & dereference() const {
Chris@16:         return const_cast<ostream_iterator &>(*this);
Chris@16:     }
Chris@16:     bool equal(const this_t & rhs) const {
Chris@16:         return m_ostream == rhs.m_ostream;
Chris@16:     }
Chris@16:     void increment(){}
Chris@16: protected:
Chris@16:     ostream_type *m_ostream;
Chris@16:     void put_val(char_type e){
Chris@16:         if(NULL != m_ostream){
Chris@16:             m_ostream->put(e);
Chris@16:             if(! m_ostream->good())
Chris@16:                 m_ostream = NULL;
Chris@16:         }
Chris@16:     }
Chris@16: public:
Chris@16:     this_t & operator=(char_type c){
Chris@16:         put_val(c);
Chris@16:         return *this;
Chris@16:     }
Chris@16:     ostream_iterator(ostream_type & os) :
Chris@16:         m_ostream (& os)
Chris@16:     {}
Chris@16:     ostream_iterator() :
Chris@16:         m_ostream (NULL)
Chris@16:     {}
Chris@16:     ostream_iterator(const ostream_iterator & rhs) :
Chris@16:         m_ostream (rhs.m_ostream)
Chris@16:     {}
Chris@16: };
Chris@16: 
Chris@16: } // namespace iterators
Chris@16: } // namespace archive
Chris@16: } // namespace boost
Chris@16: 
Chris@16: #endif // BOOST_ARCHIVE_ITERATORS_OSTREAM_ITERATOR_HPP