/usr/include/simgear/props/PropertyBasedElement.hxx is in libsimgear-dev 3.0.0-6+b2.
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 | // Base class for elements of property controlled subsystems
//
// Copyright (C) 2012 Thomas Geymayer <tomgey@gmail.com>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Library General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library 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
// Library General Public License for more details.
//
// You should have received a copy of the GNU Library General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
#ifndef SG_PROPERTY_BASED_ELEMENT_HXX_
#define SG_PROPERTY_BASED_ELEMENT_HXX_
#include <simgear/props/props.hxx>
#include <boost/call_traits.hpp>
#include <boost/shared_ptr.hpp>
#include <boost/weak_ptr.hpp>
namespace simgear
{
class PropertyBasedElement;
typedef boost::shared_ptr<PropertyBasedElement> PropertyBasedElementPtr;
typedef boost::weak_ptr<PropertyBasedElement> PropertyBasedElementWeakPtr;
/**
* Base class for a property controlled element
*/
class PropertyBasedElement:
public SGPropertyChangeListener
{
public:
PropertyBasedElement(SGPropertyNode* node);
virtual ~PropertyBasedElement();
/**
* Remove the property listener of the element.
*
* You will need to call the appropriate methods (#childAdded,
* #childRemoved, #valueChanged) yourself to ensure the element still
* receives the needed events.
*/
void removeListener();
/**
* Destroys this element (removes node from property tree)
*/
void destroy();
virtual void update(double delta_time_sec) = 0;
SGConstPropertyNode_ptr getProps() const;
SGPropertyNode_ptr getProps();
template<class T>
void set( const std::string& name,
typename boost::call_traits<T>::param_type val )
{
setValue(_node->getNode(name, true), val);
}
template<class T>
T get( const std::string& name,
typename boost::call_traits<T>::param_type def = T() )
{
SGPropertyNode const* child = _node->getNode(name);
if( !child )
return def;
return getValue<T>(child);
}
virtual void setSelf(const PropertyBasedElementPtr& self);
virtual void onDestroy() {};
protected:
SGPropertyNode_ptr _node;
PropertyBasedElementWeakPtr _self;
};
} // namespace simgear
#endif /* SG_PROPERTY_BASED_ELEMENT_HXX_ */
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