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/******************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtScxml module.
**
** $QT_BEGIN_LICENSE:COMM$
**
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef DATAMODEL_H
#define DATAMODEL_H
#include <QtScxml/qscxmlexecutablecontent.h>
#include <QVariant>
#include <QVector>
QT_BEGIN_NAMESPACE
class QScxmlEvent;
class QScxmlStateMachine;
class QScxmlTableData;
namespace QScxmlExecutableContent {
#if defined(Q_CC_MSVC) || defined(Q_CC_GNU)
#pragma pack(push, 4) // 4 == sizeof(qint32)
#endif
struct EvaluatorInfo {
StringId expr;
StringId context;
};
struct AssignmentInfo {
StringId dest;
StringId expr;
StringId context;
};
struct ForeachInfo {
StringId array;
StringId item;
StringId index;
StringId context;
};
#if defined(Q_CC_MSVC) || defined(Q_CC_GNU)
#pragma pack(pop)
#endif
typedef qint32 EvaluatorId;
enum { NoEvaluator = -1 };
} // QScxmlExecutableContent namespace
class QScxmlDataModelPrivate;
class Q_SCXML_EXPORT QScxmlDataModel
{
Q_DISABLE_COPY(QScxmlDataModel)
public:
class ForeachLoopBody
{
public:
virtual ~ForeachLoopBody();
virtual bool run() = 0;
};
public:
QScxmlDataModel(QScxmlStateMachine *stateMachine);
virtual ~QScxmlDataModel();
QScxmlStateMachine *stateMachine() const;
virtual bool setup(const QVariantMap &initialDataValues) = 0;
#ifndef Q_QDOC
virtual QString evaluateToString(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
virtual bool evaluateToBool(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
virtual QVariant evaluateToVariant(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
virtual void evaluateToVoid(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
virtual void evaluateAssignment(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
virtual void evaluateInitialization(QScxmlExecutableContent::EvaluatorId id, bool *ok) = 0;
virtual bool evaluateForeach(QScxmlExecutableContent::EvaluatorId id, bool *ok, ForeachLoopBody *body) = 0;
#endif // Q_QDOC
virtual void setEvent(const QScxmlEvent &event) = 0;
virtual QVariant property(const QString &name) const = 0;
virtual bool hasProperty(const QString &name) const = 0;
virtual bool setProperty(const QString &name, const QVariant &value, const QString &context) = 0;
protected:
#ifndef Q_QDOC
QScxmlTableData *tableData() const;
#endif // Q_QDOC
private:
friend class QScxmlDataModelPrivate;
QScxmlDataModelPrivate *d;
};
QT_END_NAMESPACE
#endif // DATAMODEL_H
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