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/**
* @file
* @author 2016 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 MICROSTEPIMPL_H_98233709
#define MICROSTEPIMPL_H_98233709
#include <list>
#include <set>
#include <string>
#include "uscxml/Common.h"
#include "uscxml/Interpreter.h"
#include "uscxml/messages/Event.h"
namespace uscxml {
class InterpreterMonitor;
/**
* @ingroup microstep
* @ingroup callback
*/
class USCXML_API MicroStepCallbacks {
public:
/** Event Queues / Matching */
virtual Event dequeueInternal() = 0;
virtual Event dequeueExternal(size_t blockMs) = 0;
virtual bool isMatched(const Event& event, const std::string& eventDesc) = 0;
virtual void raiseDoneEvent(XERCESC_NS::DOMElement* state, XERCESC_NS::DOMElement* doneData) = 0;
/** Datamodel */
virtual bool isTrue(const std::string& expr) = 0;
virtual void initData(XERCESC_NS::DOMElement* element) = 0;
/** Executable Content */
virtual void process(XERCESC_NS::DOMElement* block) = 0;
/** Invocations */
virtual void invoke(XERCESC_NS::DOMElement* invoke) = 0;
virtual void uninvoke(XERCESC_NS::DOMElement* invoke) = 0;
/** Monitoring */
virtual std::set<InterpreterMonitor*> getMonitors() = 0;
virtual Interpreter getInterpreter() = 0;
virtual Logger getLogger() = 0;
/** Cache Data */
virtual Data& getCache() = 0;
};
/**
* @ingroup microstep
* @ingroup impl
*/
class USCXML_API MicroStepImpl {
public:
enum Binding {
EARLY = 0,
LATE = 1
};
MicroStepImpl(MicroStepCallbacks* callbacks) : _callbacks(callbacks) {}
virtual std::shared_ptr<MicroStepImpl> create(MicroStepCallbacks* callbacks) = 0;
virtual InterpreterState step(size_t blockMs) = 0;
virtual void reset() = 0; ///< Reset state machine
virtual bool isInState(const std::string& stateId) = 0;
virtual std::list<XERCESC_NS::DOMElement*> getConfiguration() = 0;
virtual void init(XERCESC_NS::DOMElement* scxml) = 0;
virtual void markAsCancelled() = 0;
virtual void deserialize(const Data& encodedState) = 0;
virtual Data serialize() = 0;
/// To register at the factory
virtual std::string getName() = 0;
protected:
MicroStepImpl() {};
MicroStepCallbacks* _callbacks;
};
}
#endif /* end of include guard: MICROSTEPIMPL_H_98233709 */
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