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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
#ifndef QJSVALUE_H
#define QJSVALUE_H
#include <QtQml/qtqmlglobal.h>
#include <QtCore/qstring.h>
#include <QtCore/qlist.h>
#include <QtCore/qmetatype.h>
QT_BEGIN_NAMESPACE
class QJSValue;
class QJSEngine;
class QVariant;
class QObject;
struct QMetaObject;
class QDateTime;
class QJSPrimitiveValue;
typedef QList<QJSValue> QJSValueList;
namespace QV4 {
struct ExecutionEngine;
}
class QJSPrimitiveValue;
class QJSManagedValue;
class Q_QML_EXPORT QJSValue
{
public:
enum SpecialValue {
NullValue,
UndefinedValue
};
enum ErrorType {
NoError,
GenericError,
EvalError,
RangeError,
ReferenceError,
SyntaxError,
TypeError,
URIError
};
enum ObjectConversionBehavior {
ConvertJSObjects,
RetainJSObjects
};
public:
QJSValue(SpecialValue value = UndefinedValue);
~QJSValue();
QJSValue(const QJSValue &other);
inline QJSValue(QJSValue && other) : d(other.d) { other.d = 0; }
inline QJSValue &operator=(QJSValue &&other)
{ std::swap(d, other.d); return *this; }
QJSValue(bool value);
QJSValue(int value);
QJSValue(uint value);
QJSValue(double value);
QJSValue(const QString &value);
QJSValue(const QLatin1String &value);
#ifndef QT_NO_CAST_FROM_ASCII
QT_ASCII_CAST_WARN QJSValue(const char *str);
#endif
QJSValue &operator=(const QJSValue &other);
explicit QJSValue(QJSPrimitiveValue &&value);
explicit QJSValue(QJSManagedValue &&value);
bool isBool() const;
bool isNumber() const;
bool isNull() const;
bool isString() const;
bool isUndefined() const;
#if QT_DEPRECATED_SINCE(6, 9)
QT_DEPRECATED_VERSION_X_6_9("This might return unexpected results; consult documentation for more information")
bool isVariant() const;
#endif
bool isQObject() const;
bool isQMetaObject() const;
bool isObject() const;
bool isDate() const;
bool isRegExp() const;
bool isArray() const;
bool isError() const;
bool isUrl() const;
QString toString() const;
double toNumber() const;
qint32 toInt() const;
quint32 toUInt() const;
bool toBool() const;
QVariant toVariant() const;
QVariant toVariant(ObjectConversionBehavior behavior) const;
QJSPrimitiveValue toPrimitive() const;
QObject *toQObject() const;
const QMetaObject *toQMetaObject() const;
QDateTime toDateTime() const;
bool equals(const QJSValue &other) const;
bool strictlyEquals(const QJSValue &other) const;
QJSValue prototype() const;
void setPrototype(const QJSValue &prototype);
QJSValue property(const QString &name) const;
void setProperty(const QString &name, const QJSValue &value);
bool hasProperty(const QString &name) const;
bool hasOwnProperty(const QString &name) const;
QJSValue property(quint32 arrayIndex) const;
void setProperty(quint32 arrayIndex, const QJSValue &value);
bool deleteProperty(const QString &name);
bool isCallable() const;
QJSValue call(const QJSValueList &args = QJSValueList()) const;
QJSValue callWithInstance(const QJSValue &instance, const QJSValueList &args = QJSValueList()) const;
QJSValue callAsConstructor(const QJSValueList &args = QJSValueList()) const;
ErrorType errorType() const;
private:
friend class QJSValuePrivate;
// force compile error, prevent QJSValue(bool) to be called
QJSValue(void *) = delete;
quint64 d;
};
#ifndef QT_NO_DATASTREAM
Q_QML_EXPORT QDataStream &operator<<(QDataStream &, const QJSValue &);
Q_QML_EXPORT QDataStream &operator>>(QDataStream &, QJSValue &);
#endif
QT_END_NAMESPACE
Q_DECLARE_METATYPE(QJSValue)
#endif
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