/usr/include/camp/observer.hpp is in libcamp-dev 0.8.1-2.
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) 2009-2014 TEGESO/TEGESOFT and/or its subsidiary(-ies) and mother company.
** Contact: Tegesoft Information (contact@tegesoft.com)
**
** This file is part of the CAMP library.
**
** The MIT License (MIT)
**
** Copyright (C) 2009-2014 TEGESO/TEGESOFT and/or its subsidiary(-ies) and mother company.
**
** Permission is hereby granted, free of charge, to any person obtaining a copy
** of this software and associated documentation files (the "Software"), to deal
** in the Software without restriction, including without limitation the rights
** to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
** copies of the Software, and to permit persons to whom the Software is
** furnished to do so, subject to the following conditions:
**
** The above copyright notice and this permission notice shall be included in
** all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
** IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
** FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
** AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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** THE SOFTWARE.
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****************************************************************************/
#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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