#ifndef BOOST_ARCHIVE_ITERATORS_OSTREAM_ITERATOR_HPP | |
#define BOOST_ARCHIVE_ITERATORS_OSTREAM_ITERATOR_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 | |
// ostream_iterator.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. | |
// note: this is a custom version of the standard ostream_iterator. | |
// This is necessary as the standard version doesn't work as expected | |
// for wchar_t based streams on systems for which wchar_t not a true | |
// type but rather a synonym for some integer type. | |
#include <ostream> | |
#include <boost/iterator/iterator_facade.hpp> | |
namespace boost { | |
namespace archive { | |
namespace iterators { | |
// given a type, make an input iterator based on a pointer to that type | |
template<class Elem> | |
class ostream_iterator : | |
public boost::iterator_facade< | |
ostream_iterator<Elem>, | |
Elem, | |
std::output_iterator_tag, | |
ostream_iterator<Elem> & | |
> | |
{ | |
friend class boost::iterator_core_access; | |
typedef ostream_iterator this_t ; | |
typedef Elem char_type; | |
typedef std::basic_ostream<char_type> ostream_type; | |
//emulate the behavior of std::ostream | |
ostream_iterator & dereference() const { | |
return const_cast<ostream_iterator &>(*this); | |
} | |
bool equal(const this_t & rhs) const { | |
return m_ostream == rhs.m_ostream; | |
} | |
void increment(){} | |
protected: | |
ostream_type *m_ostream; | |
void put_val(char_type e){ | |
if(NULL != m_ostream){ | |
m_ostream->put(e); | |
if(! m_ostream->good()) | |
m_ostream = NULL; | |
} | |
} | |
public: | |
this_t & operator=(char_type c){ | |
put_val(c); | |
return *this; | |
} | |
ostream_iterator(ostream_type & os) : | |
m_ostream (& os) | |
{} | |
ostream_iterator() : | |
m_ostream (NULL) | |
{} | |
ostream_iterator(const ostream_iterator & rhs) : | |
m_ostream (rhs.m_ostream) | |
{} | |
}; | |
} // namespace iterators | |
} // namespace archive | |
} // namespace boost | |
#endif // BOOST_ARCHIVE_ITERATORS_OSTREAM_ITERATOR_HPP |