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/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QJSONVALUE_H
#define QJSONVALUE_H
#include <qjsonglobal.h>
QT_BEGIN_NAMESPACE
class QVariant;
Q_JSON_EXPORT QDebug operator<<(QDebug, const QtJson::QJsonValue &);
QT_END_NAMESPACE
namespace QtJson {
class Q_JSON_EXPORT QJsonValue {
public:
enum Type {
Null = 0x0,
Bool = 0x1,
Double = 0x2,
String = 0x3,
Array = 0x4,
Object = 0x5,
Undefined = 0x80
};
QJsonValue(Type = Null);
QJsonValue(bool b);
QJsonValue(double n);
QJsonValue(int n);
QJsonValue(const QString &s);
QJsonValue(const QLatin1String &s);
QJsonValue(const QJsonArray &a);
QJsonValue(const QJsonObject &o);
~QJsonValue();
QJsonValue(const QJsonValue &other);
QJsonValue &operator =(const QJsonValue &other);
static QJsonValue fromVariant(const QVariant &variant);
QVariant toVariant() const;
Type type() const;
inline bool isNull() const { return type() == Null; }
inline bool isBool() const { return type() == Bool; }
inline bool isDouble() const { return type() == Double; }
inline bool isString() const { return type() == String; }
inline bool isArray() const { return type() == Array; }
inline bool isObject() const { return type() == Object; }
inline bool isUndefined() const { return type() == Undefined; }
bool toBool() const;
double toDouble() const;
QString toString() const;
QJsonArray toArray() const;
QJsonObject toObject() const;
bool operator==(const QJsonValue &other) const;
bool operator!=(const QJsonValue &other) const;
private:
// avoid implicit conversions from char * to bool
inline QJsonValue(const void *) {}
friend class Data;
friend class Value;
friend class QJsonArray;
friend class QJsonObject;
friend QT_PREPEND_NAMESPACE(QDebug) (QT_PREPEND_NAMESPACE(operator<<)) (QT_PREPEND_NAMESPACE(QDebug), const QJsonValue &);
QJsonValue(Private::Data *d, Private::Base *b, const Private::Value& v);
void detach();
// ### These should move to Private::Value
int requiredStorage(bool *compressed) const;
uint valueToStore(uint offset) const;
void copyData(char *dest, bool compressed) const;
Type t;
Private::Data *d; // needed for Objects and Arrays
union {
char raw[sizeof(double)];
quint64 ui;
bool b;
double dbl;
QStringData *stringData;
Private::Base *base;
Private::Object *object;
Private::Array *array;
};
};
class Q_JSON_EXPORT QJsonValueRef
{
public:
QJsonValueRef(QJsonArray *array, int idx)
: a(array), is_object(false), index(idx) {}
QJsonValueRef(QJsonObject *object, int idx)
: o(object), is_object(true), index(idx) {}
inline operator QJsonValue() const { return toValue(); }
QJsonValueRef &operator = (const QJsonValue &val);
inline QJsonValue::Type type() const { return toValue().type(); }
inline bool isNull() const { return type() == QJsonValue::Null; }
inline bool isBool() const { return type() == QJsonValue::Bool; }
inline bool isDouble() const { return type() == QJsonValue::Double; }
inline bool isString() const { return type() == QJsonValue::String; }
inline bool isArray() const { return type() == QJsonValue::Array; }
inline bool isObject() const { return type() == QJsonValue::Object; }
inline bool isUndefined() const { return type() == QJsonValue::Undefined; }
inline bool toBool() const { return toValue().toBool(); }
inline double toDouble() const { return toValue().toDouble(); }
inline QString toString() const { return toValue().toString(); }
inline QJsonArray toArray() const;
inline QJsonObject toObject() const;
inline bool operator==(const QJsonValue &other) const { return toValue() == other; }
inline bool operator!=(const QJsonValue &other) const { return toValue() != other; }
private:
QJsonValue toValue() const;
union {
QJsonArray *a;
QJsonObject *o;
};
uint is_object : 1;
uint index : 31;
};
}
#endif // QJSONVALUE_H
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