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/****************************************************************************
**
** Copyright (C) 2021 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtScxml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:COMM$
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
**
**
**
**
**
**
**
**
**
**
**
**
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**
**
**
****************************************************************************/
#ifndef QSCXMLSTATEMACHINEINFO_H
#define QSCXMLSTATEMACHINEINFO_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include <QtScxml/qscxmlglobals.h>
#include <QtCore/qobject.h>
QT_BEGIN_NAMESPACE
class QScxmlStateMachine;
class QScxmlStateMachineInfoPrivate;
class Q_SCXML_EXPORT QScxmlStateMachineInfo: public QObject
{
Q_OBJECT
public: // types
typedef int StateId;
typedef int TransitionId;
static const StateId InvalidStateId = -1;
static const TransitionId InvalidTransitionId = -1;
enum StateType : int {
InvalidState = -1,
NormalState = 0,
ParallelState = 1,
FinalState = 2,
ShallowHistoryState = 3,
DeepHistoryState = 4
};
enum TransitionType : int {
InvalidTransition = -1,
InternalTransition = 0,
ExternalTransition = 1,
SyntheticTransition = 2
};
public: // methods
QScxmlStateMachineInfo(QScxmlStateMachine *stateMachine);
QScxmlStateMachine *stateMachine() const;
QVector<StateId> allStates() const;
QVector<TransitionId> allTransitions() const;
QString stateName(int stateId) const;
StateId stateParent(StateId stateId) const;
StateType stateType(int stateId) const;
QVector<StateId> stateChildren(StateId stateId) const;
TransitionId initialTransition(StateId stateId) const;
TransitionType transitionType(TransitionId transitionId) const;
StateId transitionSource(TransitionId transitionId) const;
QVector<StateId> transitionTargets(TransitionId transitionId) const;
QVector<QString> transitionEvents(TransitionId transitionId) const;
QVector<StateId> configuration() const;
Q_SIGNALS:
void statesEntered(const QVector<QScxmlStateMachineInfo::StateId> &states);
void statesExited(const QVector<QScxmlStateMachineInfo::StateId> &states);
void transitionsTriggered(const QVector<QScxmlStateMachineInfo::TransitionId> &transitions);
private:
Q_DECLARE_PRIVATE(QScxmlStateMachineInfo)
};
QT_END_NAMESPACE
#endif // QSCXMLSTATEMACHINEINFO_H
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