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/**
* @file
* @author 2012-2014 Stefan Radomski (stefan.radomski@cs.tu-darmstadt.de)
* @copyright Simplified BSD
*
* @cond
* This program is free software: you can redistribute it and/or modify
* it under the terms of the FreeBSD license as published by the FreeBSD
* project.
*
* This program 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.
*
* You should have received a copy of the FreeBSD license along with this
* program. If not, see <http://www.opensource.org/licenses/bsd-license>.
* @endcond
*/
#ifndef EVENTHANDLER_H_2801243E
#define EVENTHANDLER_H_2801243E
#include "uscxml/Common.h"
#include "uscxml/messages/Event.h"
#include <list>
#include <string>
#include <memory>
namespace uscxml {
class InterpreterImpl;
/**
* @ingroup ioproc
* @ingroup invoker
* @ingroup impl
* Common base class for invokers and i/o processors.
*/
class USCXML_API EventHandlerImpl {
public:
EventHandlerImpl() {}
virtual ~EventHandlerImpl() {}
/**
* Return a list of names for types we implement.
*/
virtual std::list<std::string> getNames() = 0;
/**
* Export a Data object for the `_x['name']` data-model namespace
* @return An object to be represented at `_x['name']`
*/
virtual Data getDataModelVariables() = 0;
};
/**
* @ingroup ioproc
* @ingroup invoker
* @ingroup facade
*/
class USCXML_API EventHandler {
public:
PIMPL_OPERATORS(EventHandler);
/// @copydoc EventHandlerImpl::getNames
virtual std::list<std::string> getNames() {
return _impl->getNames();
}
/// @copydoc EventHandlerImpl::getDataModelVariables
virtual Data getDataModelVariables() const {
return _impl->getDataModelVariables();
};
protected:
std::shared_ptr<EventHandlerImpl> _impl;
friend class InterpreterImpl;
};
}
#endif /* end of include guard: EVENTHANDLER_H_2801243E */
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