infix_ostream_it.h

/*
   Copyright (c) 2012, 2014, Oracle and/or its affiliates. All rights reserved.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA
*/
#ifndef INFIX_OSTREAM_IT_INCLUDED
#define INFIX_OSTREAM_IT_INCLUDED
#include <ostream>
#include <iterator>
#include <string>

template <class T >
class infix_ostream_iterator :
  public std::iterator<std::output_iterator_tag, T >
{
public:
  infix_ostream_iterator(std::ostream &s)
    : m_os(&s)
  {}

  infix_ostream_iterator(std::ostream  &s, const char *d)
    : m_os(&s), m_delimiter(d)
  {}

  infix_ostream_iterator<T > &operator=(T const &item)
  {
    *m_os << m_curr_delimiter << item;
    m_curr_delimiter = m_delimiter;
    return *this;
  }

  infix_ostream_iterator<T > &operator*()
  {
    return *this;
  }

  infix_ostream_iterator<T > &operator++()
  {
    return *this;
  }

  infix_ostream_iterator<T > &operator++(int)
  {
    return *this;
  }
private:
  std::ostream *m_os;
  std::string m_curr_delimiter;
  std::string m_delimiter;
};

#endif