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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 QJSONOBJECT_H
#define QJSONOBJECT_H
#include <QtCore/qjsonvalue.h>
#include <QtCore/qiterator.h>
#include <QtCore/qpair.h>
#include <QtCore/qshareddata.h>
#include <initializer_list>
QT_BEGIN_NAMESPACE
class QDebug;
class QCborContainerPrivate;
class Q_CORE_EXPORT QJsonObject
{
public:
QJsonObject();
QJsonObject(std::initializer_list<QPair<QString, QJsonValue> > args);
~QJsonObject();
QJsonObject(const QJsonObject &other) noexcept;
QJsonObject &operator =(const QJsonObject &other) noexcept;
QJsonObject(QJsonObject &&other) noexcept;
QJsonObject &operator =(QJsonObject &&other) noexcept
{
swap(other);
return *this;
}
void swap(QJsonObject &other) noexcept
{
o.swap(other.o);
}
static QJsonObject fromVariantMap(const QVariantMap &map);
QVariantMap toVariantMap() const;
static QJsonObject fromVariantHash(const QVariantHash &map);
QVariantHash toVariantHash() const;
QStringList keys() const;
qsizetype size() const;
inline qsizetype count() const { return size(); }
inline qsizetype length() const { return size(); }
bool isEmpty() const;
QJsonValue value(const QString &key) const;
QJsonValue operator[] (const QString &key) const;
QJsonValueRef operator[] (const QString &key);
QJsonValue value(QStringView key) const;
QJsonValue value(QLatin1StringView key) const;
QJsonValue operator[] (QStringView key) const { return value(key); }
QJsonValue operator[] (QLatin1StringView key) const { return value(key); }
QJsonValueRef operator[] (QStringView key);
QJsonValueRef operator[] (QLatin1StringView key);
void remove(const QString &key);
QJsonValue take(const QString &key);
bool contains(const QString &key) const;
void remove(QStringView key);
void remove(QLatin1StringView key);
QJsonValue take(QStringView key);
QJsonValue take(QLatin1StringView key);
bool contains(QStringView key) const;
bool contains(QLatin1StringView 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;
QJsonValueRef item;
public:
typedef std::random_access_iterator_tag iterator_category;
typedef qsizetype difference_type;
typedef QJsonValue value_type;
typedef QJsonValueRef reference;
typedef QJsonValueRef *pointer;
inline iterator() : item(static_cast<QJsonObject*>(nullptr), 0) { }
inline iterator(QJsonObject *obj, qsizetype index) : item(obj, index) { }
constexpr iterator(const iterator &other) = default;
iterator &operator=(const iterator &other)
{
item.rebind(other.item);
return *this;
}
inline QString key() const { return item.objectKey(); }
inline QJsonValueRef value() const { return item; }
inline QJsonValueRef operator*() const { return item; }
inline const QJsonValueConstRef *operator->() const { return &item; }
inline QJsonValueRef *operator->() { return &item; }
inline QJsonValueRef operator[](qsizetype j) const { return *(*this + j); }
inline bool operator==(const iterator &other) const
{ return item.d == other.item.d && item.index == other.item.index; }
inline bool operator!=(const iterator &other) const { return !(*this == other); }
bool operator<(const iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
bool operator<=(const iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
bool operator>(const iterator& other) const { return !(*this <= other); }
bool operator>=(const iterator& other) const { return !(*this < other); }
inline iterator &operator++() { ++item.index; return *this; }
inline iterator operator++(int) { iterator r = *this; ++item.index; return r; }
inline iterator &operator--() { --item.index; return *this; }
inline iterator operator--(int) { iterator r = *this; --item.index; return r; }
inline iterator operator+(qsizetype j) const { iterator r = *this; return r += j; }
inline iterator operator-(qsizetype j) const { return operator+(-j); }
inline iterator &operator+=(qsizetype j) { item.index += quint64(j); return *this; }
inline iterator &operator-=(qsizetype j) { item.index -= quint64(j); return *this; }
qsizetype operator-(iterator j) const { return item.index - j.item.index; }
public:
inline bool operator==(const const_iterator &other) const
{ return item.d == other.item.d && item.index == other.item.index; }
inline bool operator!=(const const_iterator &other) const { return !(*this == other); }
bool operator<(const const_iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
bool operator<=(const const_iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
bool operator>(const const_iterator& other) const { return !(*this <= other); }
bool operator>=(const const_iterator& other) const { return !(*this < other); }
};
friend class iterator;
class const_iterator
{
friend class iterator;
QJsonValueConstRef item;
public:
typedef std::random_access_iterator_tag iterator_category;
typedef qsizetype difference_type;
typedef QJsonValue value_type;
typedef const QJsonValueConstRef reference;
typedef const QJsonValueConstRef *pointer;
inline const_iterator() : item(static_cast<QJsonObject*>(nullptr), 0) { }
inline const_iterator(const QJsonObject *obj, qsizetype index)
: item(const_cast<QJsonObject*>(obj), index) { }
inline const_iterator(const iterator &other)
: item(other.item) { }
constexpr const_iterator(const const_iterator &other) = default;
const_iterator &operator=(const const_iterator &other)
{
item.rebind(other.item);
return *this;
}
inline QString key() const { return item.objectKey(); }
inline QJsonValueConstRef value() const { return item; }
inline const QJsonValueConstRef operator*() const { return item; }
inline const QJsonValueConstRef *operator->() const { return &item; }
inline QJsonValueConstRef operator[](qsizetype j) const { return *(*this + j); }
inline bool operator==(const const_iterator &other) const
{ return item.d == other.item.d && item.index == other.item.index; }
inline bool operator!=(const const_iterator &other) const { return !(*this == other); }
bool operator<(const const_iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
bool operator<=(const const_iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
bool operator>(const const_iterator& other) const { return !(*this <= other); }
bool operator>=(const const_iterator& other) const { return !(*this < other); }
inline const_iterator &operator++() { ++item.index; return *this; }
inline const_iterator operator++(int) { const_iterator r = *this; ++item.index; return r; }
inline const_iterator &operator--() { --item.index; return *this; }
inline const_iterator operator--(int) { const_iterator r = *this; --item.index; return r; }
inline const_iterator operator+(qsizetype j) const { const_iterator r = *this; return r += j; }
inline const_iterator operator-(qsizetype j) const { return operator+(-j); }
inline const_iterator &operator+=(qsizetype j) { item.index += quint64(j); return *this; }
inline const_iterator &operator-=(qsizetype j) { item.index -= quint64(j); return *this; }
qsizetype operator-(const_iterator j) const { return item.index - j.item.index; }
inline bool operator==(const iterator &other) const
{ return item.d == other.item.d && item.index == other.item.index; }
inline bool operator!=(const iterator &other) const { return !(*this == other); }
bool operator<(const iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
bool operator<=(const iterator& other) const
{ Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
bool operator>(const iterator& other) const { return !(*this <= other); }
bool operator>=(const iterator& other) const { return !(*this < other); }
};
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);
iterator find(QStringView key);
iterator find(QLatin1StringView key);
const_iterator find(QStringView key) const { return constFind(key); }
const_iterator find(QLatin1StringView key) const { return constFind(key); }
const_iterator constFind(QStringView key) const;
const_iterator constFind(QLatin1StringView key) const;
iterator insert(QStringView key, const QJsonValue &value);
iterator insert(QLatin1StringView key, const QJsonValue &value);
// STL compatibility
typedef QJsonValue mapped_type;
typedef QString key_type;
typedef qsizetype size_type;
inline bool empty() const { return isEmpty(); }
private:
friend class QJsonValue;
friend class QJsonDocument;
friend class QJsonPrivate::Value;
friend class QJsonValueConstRef;
friend class QJsonValueRef;
friend class QCborMap;
friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonObject &);
QJsonObject(QCborContainerPrivate *object);
bool detach(qsizetype reserve = 0);
template <typename T> QJsonValue valueImpl(T key) const;
template <typename T> QJsonValueRef atImpl(T key);
template <typename T> void removeImpl(T key);
template <typename T> QJsonValue takeImpl(T key);
template <typename T> bool containsImpl(T key) const;
template <typename T> iterator findImpl(T key);
template <typename T> const_iterator constFindImpl(T key) const;
template <typename T> iterator insertImpl(T key, const QJsonValue &value);
#if QT_VERSION < QT_VERSION_CHECK(7, 0, 0) && !defined(QT_BOOTSTRAPPED)
QString keyAt(qsizetype i) const;
QJsonValue valueAt(qsizetype i) const;
void setValueAt(qsizetype i, const QJsonValue &val);
#endif
void removeAt(qsizetype i);
template <typename T> iterator insertAt(qsizetype i, T key, const QJsonValue &val, bool exists);
QExplicitlySharedDataPointer<QCborContainerPrivate> o;
};
Q_DECLARE_SHARED(QJsonObject)
#if QT_VERSION >= QT_VERSION_CHECK(7, 0, 0) || defined(QT_BOOTSTRAPPED)
inline QJsonValueConstRef::QJsonValueConstRef(QJsonObject *o, qsizetype idx)
: d(o ? o->o.data() : nullptr), is_object(true), index(idx)
{}
#endif
Q_CORE_EXPORT size_t qHash(const QJsonObject &object, size_t seed = 0);
#if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY)
Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonObject &);
#endif
#ifndef QT_NO_DATASTREAM
Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QJsonObject &);
Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QJsonObject &);
#endif
QT_END_NAMESPACE
#endif // QJSONOBJECT_H