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libzmq/src/metadata.cpp

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2014-04-30 14:17:38 +02:00
/*
Copyright (c) 2007-2014 Contributors as noted in the AUTHORS file
This file is part of 0MQ.
0MQ is free software; you can redistribute it and/or modify it under
the terms of the GNU Lesser General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
0MQ 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "metadata.hpp"
zmq::metadata_t::metadata_t (dict_t &dict) :
ref_cnt (1),
dict (dict)
{
}
zmq::metadata_t::~metadata_t ()
{
}
const char *zmq::metadata_t::get (const std::string &property) const
{
dict_t::const_iterator it = dict.find (property);
if (it == dict.end ())
return NULL;
else
return it->second.c_str ();
}
void zmq::metadata_t::add_ref ()
{
ref_cnt.add (1);
}
bool zmq::metadata_t::drop_ref ()
{
return !ref_cnt.sub (1);
}