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https://github.com/zeromq/libzmq.git
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1c72bf4e55
* There is no clear reason why the map should hold const std::strings * This class is never derived, there doesn't seem to be a compelling reason to ever do so, so no need to make virtual members * In general const member data is an anti-pattern, the *only* reason is to prevent assignability, and the accepted idiom for that is to to declare the assigment operator private. This change does so, and also prevents copy construction.
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/*
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Copyright (c) 2007-2015 Contributors as noted in the AUTHORS file
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This file is part of 0MQ.
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0MQ is free software; you can redistribute it and/or modify it under
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the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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0MQ is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "metadata.hpp"
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zmq::metadata_t::metadata_t (const dict_t &dict) :
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ref_cnt (1),
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dict (dict)
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{
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}
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const char *zmq::metadata_t::get (const std::string &property) const
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{
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dict_t::const_iterator it = dict.find (property);
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if (it == dict.end ())
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return NULL;
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else
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return it->second.c_str ();
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}
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void zmq::metadata_t::add_ref ()
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{
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ref_cnt.add (1);
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}
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bool zmq::metadata_t::drop_ref ()
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{
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return !ref_cnt.sub (1);
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}
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