mysql5/mysql-5.7.27/client/infix_ostream_it.h

65 lines
1.6 KiB
C++

/*
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