/usr/include/interactive_markers/detail/state_machine.h is in libinteractive-markers-dev 1.11.3-1build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 | /*
* Copyright (c) 2012, Willow Garage, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of the Willow Garage, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* Author: David Gossow
*/
/*
* state_machine.h
*
* Created on: Jul 17, 2012
* Author: gossow
*/
#ifndef INTERACTIVE_MARKERS_STATE_MACHINE_H_
#define INTERACTIVE_MARKERS_STATE_MACHINE_H_
#include <ros/ros.h>
namespace interactive_markers
{
// Helper class for state management
template<class StateT>
class StateMachine
{
public:
StateMachine( std::string name, StateT init_state );
StateMachine& operator=( StateT state );
operator StateT();
ros::Duration getDuration();
private:
StateT state_;
ros::Time chg_time_;
std::string name_;
};
template<class StateT>
StateMachine<StateT>::StateMachine( std::string name, StateT init_state )
: state_(init_state)
, chg_time_(ros::Time::now())
, name_(name)
{
};
template<class StateT>
StateMachine<StateT>& StateMachine<StateT>::operator=( StateT state )
{
if ( state_ != state )
{
ROS_DEBUG( "Setting state of %s to %lu", name_.c_str(), (int64_t)state );
state_ = state;
chg_time_=ros::Time::now();
}
return *this;
}
template<class StateT>
ros::Duration StateMachine<StateT>::getDuration()
{
return ros::Time::now()-chg_time_;
}
template<class StateT>
StateMachine<StateT>::operator StateT()
{
return state_;
}
}
#endif /* STATE_MACHINE_H_ */
|