include
actionlib
enclosure_deleter.h
Go to the documentation of this file.
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/*********************************************************************
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*
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* Software License Agreement (BSD License)
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*
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* Copyright (c) 2008, Willow Garage, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the following
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* disclaimer in the documentation and/or other materials provided
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* with the distribution.
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* * Neither the name of Willow Garage, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Author: Eitan Marder-Eppstein
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*********************************************************************/
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#include <boost/shared_ptr.hpp>
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#ifndef ACTIONLIB__ENCLOSURE_DELETER_H_
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#define ACTIONLIB__ENCLOSURE_DELETER_H_
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namespace
actionlib
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{
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/*
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* This allows the creation of a shared pointer to a section
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* of an already reference counted structure. For example,
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* if in the following picture Enclosure is reference counted with
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* a boost::shared_ptr and you want to return a boost::shared_ptr
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* to the Member that is referenced counted along with Enclosure objects
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*
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* Enclosure --------------- <--- Already reference counted
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* -----Member <------- A member of enclosure objects, eg. Enclosure.Member
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*/
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template
<
class
Enclosure>
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class
EnclosureDeleter
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{
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public
:
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EnclosureDeleter
(
const
boost::shared_ptr<Enclosure>
& enc_ptr)
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:
enc_ptr_
(enc_ptr) {}
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template
<
class
Member>
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void
operator()
(Member *)
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{
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enc_ptr_
.reset();
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}
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private
:
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boost::shared_ptr<Enclosure>
enc_ptr_
;
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};
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template
<
class
Enclosure,
class
Member>
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boost::shared_ptr<Member>
share_member
(
boost::shared_ptr<Enclosure>
enclosure, Member & member)
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{
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EnclosureDeleter<Enclosure>
d
(enclosure);
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boost::shared_ptr<Member>
p(&member,
d
);
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return
p;
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}
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}
// namespace actionlib
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#endif // ACTIONLIB__ENCLOSURE_DELETER_H_
boost::shared_ptr< Enclosure >
actionlib::EnclosureDeleter::EnclosureDeleter
EnclosureDeleter(const boost::shared_ptr< Enclosure > &enc_ptr)
Definition:
enclosure_deleter.h:130
setup.d
d
Definition:
setup.py:6
actionlib::EnclosureDeleter::enc_ptr_
boost::shared_ptr< Enclosure > enc_ptr_
Definition:
enclosure_deleter.h:140
actionlib::share_member
boost::shared_ptr< Member > share_member(boost::shared_ptr< Enclosure > enclosure, Member &member)
Definition:
enclosure_deleter.h:109
actionlib::EnclosureDeleter::operator()
void operator()(Member *)
Definition:
enclosure_deleter.h:134
actionlib
Definition:
action_definition.h:40
actionlib
Author(s): Eitan Marder-Eppstein, Vijay Pradeep, Mikael Arguedas
autogenerated on Fri May 19 2023 02:36:55