/usr/include/camp/observer.hpp is in libcamp0.7-dev 0.7.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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**
** Copyright (C) 2009-2010 TECHNOGERMA Systems France and/or its subsidiary(-ies).
** Contact: Technogerma Systems France Information (contact@technogerma.fr)
**
** This file is part of the CAMP library.
**
** CAMP 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.
**
** CAMP 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 CAMP. If not, see <http://www.gnu.org/licenses/>.
**
****************************************************************************/
#ifndef CAMP_OBSERVER_HPP
#define CAMP_OBSERVER_HPP
#include <camp/config.hpp>
namespace camp
{
class Class;
class Enum;
/**
* \brief Receives notification about creation / destruction of metaclasses and metaenums
*
* This class is a base class which must be derived in order to create custom observers.
* None of the virtual functions is pure, so you can only override the one you're interested in.
*
* \sa Class, Enum
*/
class CAMP_API Observer
{
public:
/**
* \brief Destructor
*/
virtual ~Observer();
/**
* \brief Functon called when a new metaclass is created
*
* \param added Metaclass that have been added
*/
virtual void classAdded(const Class& added);
/**
* \brief Functon called when an existing metaclass is destroyed
*
* \param removed Metaclass that have been destroyed
*/
virtual void classRemoved(const Class& removed);
/**
* \brief Functon called when a new metaenum is created
*
* \param added Metaenum that have been added
*/
virtual void enumAdded(const Enum& added);
/**
* \brief Functon called when an existing metaenum is destroyed
*
* \param removed Metaenum that have been destroyed
*/
virtual void enumRemoved(const Enum& removed);
protected:
/**
* \brief Default constructor
*/
Observer();
};
/**
* \brief Register an observer
*
* \param observer Pointer to the observer instance to register
*/
CAMP_API void addObserver(Observer* observer);
/**
* \brief Unregister an observer
*
* \param observer Pointer to the observer instance to unregister
*/
CAMP_API void removeObserver(Observer* observer);
} // namespace camp
#endif // CAMP_OBSERVER_HPP
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