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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QJSONOBJECT_H
#define QJSONOBJECT_H
#include <QtCore/qjsonvalue.h>
#include <QtCore/qiterator.h>
#ifdef Q_COMPILER_INITIALIZER_LISTS
#include <QtCore/qpair.h>
#include <initializer_list>
#endif
QT_BEGIN_NAMESPACE
class QDebug;
template <class Key, class T> class QMap;
typedef QMap<QString, QVariant> QVariantMap;
template <class Key, class T> class QHash;
typedef QHash<QString, QVariant> QVariantHash;
class Q_CORE_EXPORT QJsonObject
{
public:
QJsonObject();
#if defined(Q_COMPILER_INITIALIZER_LISTS) || defined(Q_QDOC)
QJsonObject(std::initializer_list<QPair<QString, QJsonValue> > args)
{
initialize();
for (std::initializer_list<QPair<QString, QJsonValue> >::const_iterator i = args.begin(); i != args.end(); ++i)
insert(i->first, i->second);
}
#endif
~QJsonObject();
QJsonObject(const QJsonObject &other);
QJsonObject &operator =(const QJsonObject &other);
static QJsonObject fromVariantMap(const QVariantMap &map);
QVariantMap toVariantMap() const;
static QJsonObject fromVariantHash(const QVariantHash &map);
QVariantHash toVariantHash() const;
QStringList keys() const;
int size() const;
inline int count() const { return size(); }
inline int length() const { return size(); }
bool isEmpty() const;
QJsonValue value(const QString &key) const;
QJsonValue operator[] (const QString &key) const;
QJsonValueRef operator[] (const QString &key);
void remove(const QString &key);
QJsonValue take(const QString &key);
bool contains(const QString &key) const;
bool operator==(const QJsonObject &other) const;
bool operator!=(const QJsonObject &other) const;
class const_iterator;
class iterator
{
friend class const_iterator;
friend class QJsonObject;
QJsonObject *o;
int i;
public:
typedef std::bidirectional_iterator_tag iterator_category;
typedef int difference_type;
typedef QJsonValue value_type;
typedef QJsonValueRef reference;
Q_DECL_CONSTEXPR inline iterator() : o(Q_NULLPTR), i(0) {}
Q_DECL_CONSTEXPR inline iterator(QJsonObject *obj, int index) : o(obj), i(index) {}
inline QString key() const { return o->keyAt(i); }
inline QJsonValueRef value() const { return QJsonValueRef(o, i); }
inline QJsonValueRef operator*() const { return QJsonValueRef(o, i); }
#ifdef Q_QDOC
inline QJsonValueRef* operator->() const;
#else
inline QJsonValueRefPtr operator->() const { return QJsonValueRefPtr(o, i); }
#endif
inline bool operator==(const iterator &other) const { return i == other.i; }
inline bool operator!=(const iterator &other) const { return i != other.i; }
inline iterator &operator++() { ++i; return *this; }
inline iterator operator++(int) { iterator r = *this; ++i; return r; }
inline iterator &operator--() { --i; return *this; }
inline iterator operator--(int) { iterator r = *this; --i; return r; }
inline iterator operator+(int j) const
{ iterator r = *this; r.i += j; return r; }
inline iterator operator-(int j) const { return operator+(-j); }
inline iterator &operator+=(int j) { i += j; return *this; }
inline iterator &operator-=(int j) { i -= j; return *this; }
public:
inline bool operator==(const const_iterator &other) const { return i == other.i; }
inline bool operator!=(const const_iterator &other) const { return i != other.i; }
};
friend class iterator;
class const_iterator
{
friend class iterator;
const QJsonObject *o;
int i;
public:
typedef std::bidirectional_iterator_tag iterator_category;
typedef int difference_type;
typedef QJsonValue value_type;
typedef QJsonValue reference;
Q_DECL_CONSTEXPR inline const_iterator() : o(Q_NULLPTR), i(0) {}
Q_DECL_CONSTEXPR inline const_iterator(const QJsonObject *obj, int index)
: o(obj), i(index) {}
inline const_iterator(const iterator &other)
: o(other.o), i(other.i) {}
inline QString key() const { return o->keyAt(i); }
inline QJsonValue value() const { return o->valueAt(i); }
inline QJsonValue operator*() const { return o->valueAt(i); }
#ifdef Q_QDOC
inline QJsonValue* operator->() const;
#else
inline QJsonValuePtr operator->() const { return QJsonValuePtr(o->valueAt(i)); }
#endif
inline bool operator==(const const_iterator &other) const { return i == other.i; }
inline bool operator!=(const const_iterator &other) const { return i != other.i; }
inline const_iterator &operator++() { ++i; return *this; }
inline const_iterator operator++(int) { const_iterator r = *this; ++i; return r; }
inline const_iterator &operator--() { --i; return *this; }
inline const_iterator operator--(int) { const_iterator r = *this; --i; return r; }
inline const_iterator operator+(int j) const
{ const_iterator r = *this; r.i += j; return r; }
inline const_iterator operator-(int j) const { return operator+(-j); }
inline const_iterator &operator+=(int j) { i += j; return *this; }
inline const_iterator &operator-=(int j) { i -= j; return *this; }
inline bool operator==(const iterator &other) const { return i == other.i; }
inline bool operator!=(const iterator &other) const { return i != other.i; }
};
friend class const_iterator;
// STL style
inline iterator begin() { detach(); return iterator(this, 0); }
inline const_iterator begin() const { return const_iterator(this, 0); }
inline const_iterator constBegin() const { return const_iterator(this, 0); }
inline iterator end() { detach(); return iterator(this, size()); }
inline const_iterator end() const { return const_iterator(this, size()); }
inline const_iterator constEnd() const { return const_iterator(this, size()); }
iterator erase(iterator it);
// more Qt
typedef iterator Iterator;
typedef const_iterator ConstIterator;
iterator find(const QString &key);
const_iterator find(const QString &key) const { return constFind(key); }
const_iterator constFind(const QString &key) const;
iterator insert(const QString &key, const QJsonValue &value);
// STL compatibility
typedef QJsonValue mapped_type;
typedef QString key_type;
typedef int size_type;
inline bool empty() const { return isEmpty(); }
private:
friend class QJsonPrivate::Data;
friend class QJsonValue;
friend class QJsonDocument;
friend class QJsonValueRef;
friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonObject &);
QJsonObject(QJsonPrivate::Data *data, QJsonPrivate::Object *object);
void initialize();
void detach(uint reserve = 0);
void compact();
QString keyAt(int i) const;
QJsonValue valueAt(int i) const;
void setValueAt(int i, const QJsonValue &val);
QJsonPrivate::Data *d;
QJsonPrivate::Object *o;
};
#if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY)
Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonObject &);
#endif
QT_END_NAMESPACE
#endif // QJSONOBJECT_H
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