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0001
0002
0003
0004 #ifndef QJSONOBJECT_H
0005 #define QJSONOBJECT_H
0006
0007 #include <QtCore/qjsonvalue.h>
0008 #include <QtCore/qiterator.h>
0009 #include <QtCore/qpair.h>
0010 #include <QtCore/qshareddata.h>
0011 #include <initializer_list>
0012
0013 QT_BEGIN_NAMESPACE
0014
0015 class QDebug;
0016
0017 class QCborContainerPrivate;
0018
0019 class Q_CORE_EXPORT QJsonObject
0020 {
0021 public:
0022 QJsonObject();
0023
0024 QJsonObject(std::initializer_list<std::pair<QString, QJsonValue> > args);
0025
0026 ~QJsonObject();
0027
0028 QJsonObject(const QJsonObject &other) noexcept;
0029 QJsonObject &operator =(const QJsonObject &other) noexcept;
0030
0031 QJsonObject(QJsonObject &&other) noexcept;
0032
0033 QJsonObject &operator =(QJsonObject &&other) noexcept
0034 {
0035 swap(other);
0036 return *this;
0037 }
0038
0039 void swap(QJsonObject &other) noexcept
0040 {
0041 o.swap(other.o);
0042 }
0043
0044 static QJsonObject fromVariantMap(const QVariantMap &map);
0045 QVariantMap toVariantMap() const;
0046 static QJsonObject fromVariantHash(const QVariantHash &map);
0047 QVariantHash toVariantHash() const;
0048
0049 QStringList keys() const;
0050 qsizetype size() const;
0051 inline qsizetype count() const { return size(); }
0052 inline qsizetype length() const { return size(); }
0053 bool isEmpty() const;
0054
0055 QJsonValue value(const QString &key) const;
0056 QJsonValue operator[] (const QString &key) const;
0057 QJsonValueRef operator[] (const QString &key);
0058 QJsonValue value(QStringView key) const;
0059 QJsonValue value(QLatin1StringView key) const;
0060 QJsonValue operator[] (QStringView key) const { return value(key); }
0061 QJsonValue operator[] (QLatin1StringView key) const { return value(key); }
0062 QJsonValueRef operator[] (QStringView key);
0063 QJsonValueRef operator[] (QLatin1StringView key);
0064
0065 void remove(const QString &key);
0066 QJsonValue take(const QString &key);
0067 bool contains(const QString &key) const;
0068 void remove(QStringView key);
0069 void remove(QLatin1StringView key);
0070 QJsonValue take(QStringView key);
0071 QJsonValue take(QLatin1StringView key);
0072 bool contains(QStringView key) const;
0073 bool contains(QLatin1StringView key) const;
0074
0075 bool operator==(const QJsonObject &other) const;
0076 bool operator!=(const QJsonObject &other) const;
0077
0078 class const_iterator;
0079
0080 class iterator
0081 {
0082 friend class const_iterator;
0083 friend class QJsonObject;
0084 QJsonValueRef item;
0085
0086 public:
0087 typedef std::random_access_iterator_tag iterator_category;
0088 typedef qsizetype difference_type;
0089 typedef QJsonValue value_type;
0090 typedef QJsonValueRef reference;
0091 typedef QJsonValueRef *pointer;
0092
0093 inline iterator() : item(static_cast<QJsonObject*>(nullptr), 0) { }
0094 inline iterator(QJsonObject *obj, qsizetype index) : item(obj, index) { }
0095
0096 constexpr iterator(const iterator &other) = default;
0097 iterator &operator=(const iterator &other)
0098 {
0099 item.rebind(other.item);
0100 return *this;
0101 }
0102
0103 inline QString key() const { return item.objectKey(); }
0104 inline QJsonValueRef value() const { return item; }
0105 inline QJsonValueRef operator*() const { return item; }
0106 inline const QJsonValueConstRef *operator->() const { return &item; }
0107 inline QJsonValueRef *operator->() { return &item; }
0108 inline QJsonValueRef operator[](qsizetype j) const { return *(*this + j); }
0109
0110 inline bool operator==(const iterator &other) const
0111 { return item.d == other.item.d && item.index == other.item.index; }
0112 inline bool operator!=(const iterator &other) const { return !(*this == other); }
0113 bool operator<(const iterator& other) const
0114 { Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
0115 bool operator<=(const iterator& other) const
0116 { Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
0117 bool operator>(const iterator& other) const { return !(*this <= other); }
0118 bool operator>=(const iterator& other) const { return !(*this < other); }
0119
0120 inline iterator &operator++() { ++item.index; return *this; }
0121 inline iterator operator++(int) { iterator r = *this; ++item.index; return r; }
0122 inline iterator &operator--() { --item.index; return *this; }
0123 inline iterator operator--(int) { iterator r = *this; --item.index; return r; }
0124 inline iterator operator+(qsizetype j) const { iterator r = *this; return r += j; }
0125 inline iterator operator-(qsizetype j) const { return operator+(-j); }
0126 inline iterator &operator+=(qsizetype j) { item.index += quint64(j); return *this; }
0127 inline iterator &operator-=(qsizetype j) { item.index -= quint64(j); return *this; }
0128 qsizetype operator-(iterator j) const { return item.index - j.item.index; }
0129
0130 public:
0131 inline bool operator==(const const_iterator &other) const
0132 { return item.d == other.item.d && item.index == other.item.index; }
0133 inline bool operator!=(const const_iterator &other) const { return !(*this == other); }
0134 bool operator<(const const_iterator& other) const
0135 { Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
0136 bool operator<=(const const_iterator& other) const
0137 { Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
0138 bool operator>(const const_iterator& other) const { return !(*this <= other); }
0139 bool operator>=(const const_iterator& other) const { return !(*this < other); }
0140 };
0141 friend class iterator;
0142
0143 class const_iterator
0144 {
0145 friend class iterator;
0146 QJsonValueConstRef item;
0147
0148 public:
0149 typedef std::random_access_iterator_tag iterator_category;
0150 typedef qsizetype difference_type;
0151 typedef QJsonValue value_type;
0152 typedef const QJsonValueConstRef reference;
0153 typedef const QJsonValueConstRef *pointer;
0154
0155 inline const_iterator() : item(static_cast<QJsonObject*>(nullptr), 0) { }
0156 inline const_iterator(const QJsonObject *obj, qsizetype index)
0157 : item(const_cast<QJsonObject*>(obj), index) { }
0158 inline const_iterator(const iterator &other)
0159 : item(other.item) { }
0160
0161 constexpr const_iterator(const const_iterator &other) = default;
0162 const_iterator &operator=(const const_iterator &other)
0163 {
0164 item.rebind(other.item);
0165 return *this;
0166 }
0167
0168 inline QString key() const { return item.objectKey(); }
0169 inline QJsonValueConstRef value() const { return item; }
0170 inline const QJsonValueConstRef operator*() const { return item; }
0171 inline const QJsonValueConstRef *operator->() const { return &item; }
0172 inline QJsonValueConstRef operator[](qsizetype j) const { return *(*this + j); }
0173
0174 inline bool operator==(const const_iterator &other) const
0175 { return item.d == other.item.d && item.index == other.item.index; }
0176 inline bool operator!=(const const_iterator &other) const { return !(*this == other); }
0177 bool operator<(const const_iterator& other) const
0178 { Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
0179 bool operator<=(const const_iterator& other) const
0180 { Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
0181 bool operator>(const const_iterator& other) const { return !(*this <= other); }
0182 bool operator>=(const const_iterator& other) const { return !(*this < other); }
0183
0184 inline const_iterator &operator++() { ++item.index; return *this; }
0185 inline const_iterator operator++(int) { const_iterator r = *this; ++item.index; return r; }
0186 inline const_iterator &operator--() { --item.index; return *this; }
0187 inline const_iterator operator--(int) { const_iterator r = *this; --item.index; return r; }
0188 inline const_iterator operator+(qsizetype j) const { const_iterator r = *this; return r += j; }
0189 inline const_iterator operator-(qsizetype j) const { return operator+(-j); }
0190 inline const_iterator &operator+=(qsizetype j) { item.index += quint64(j); return *this; }
0191 inline const_iterator &operator-=(qsizetype j) { item.index -= quint64(j); return *this; }
0192 qsizetype operator-(const_iterator j) const { return item.index - j.item.index; }
0193
0194 inline bool operator==(const iterator &other) const
0195 { return item.d == other.item.d && item.index == other.item.index; }
0196 inline bool operator!=(const iterator &other) const { return !(*this == other); }
0197 bool operator<(const iterator& other) const
0198 { Q_ASSERT(item.d == other.item.d); return item.index < other.item.index; }
0199 bool operator<=(const iterator& other) const
0200 { Q_ASSERT(item.d == other.item.d); return item.index <= other.item.index; }
0201 bool operator>(const iterator& other) const { return !(*this <= other); }
0202 bool operator>=(const iterator& other) const { return !(*this < other); }
0203 };
0204 friend class const_iterator;
0205
0206
0207 inline iterator begin() { detach(); return iterator(this, 0); }
0208 inline const_iterator begin() const { return const_iterator(this, 0); }
0209 inline const_iterator constBegin() const { return const_iterator(this, 0); }
0210 inline iterator end() { detach(); return iterator(this, size()); }
0211 inline const_iterator end() const { return const_iterator(this, size()); }
0212 inline const_iterator constEnd() const { return const_iterator(this, size()); }
0213 iterator erase(iterator it);
0214
0215
0216 typedef iterator Iterator;
0217 typedef const_iterator ConstIterator;
0218 iterator find(const QString &key);
0219 const_iterator find(const QString &key) const { return constFind(key); }
0220 const_iterator constFind(const QString &key) const;
0221 iterator insert(const QString &key, const QJsonValue &value);
0222 iterator find(QStringView key);
0223 iterator find(QLatin1StringView key);
0224 const_iterator find(QStringView key) const { return constFind(key); }
0225 const_iterator find(QLatin1StringView key) const { return constFind(key); }
0226 const_iterator constFind(QStringView key) const;
0227 const_iterator constFind(QLatin1StringView key) const;
0228 iterator insert(QStringView key, const QJsonValue &value);
0229 iterator insert(QLatin1StringView key, const QJsonValue &value);
0230
0231
0232 typedef QJsonValue mapped_type;
0233 typedef QString key_type;
0234 typedef qsizetype size_type;
0235
0236 inline bool empty() const { return isEmpty(); }
0237
0238 private:
0239 friend class QJsonValue;
0240 friend class QJsonDocument;
0241 friend class QJsonPrivate::Value;
0242 friend class QJsonValueConstRef;
0243 friend class QJsonValueRef;
0244 friend class QCborMap;
0245 friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonObject &);
0246
0247 QJsonObject(QCborContainerPrivate *object);
0248 bool detach(qsizetype reserve = 0);
0249
0250 template <typename T> QJsonValue valueImpl(T key) const;
0251 template <typename T> QJsonValueRef atImpl(T key);
0252 template <typename T> void removeImpl(T key);
0253 template <typename T> QJsonValue takeImpl(T key);
0254 template <typename T> bool containsImpl(T key) const;
0255 template <typename T> iterator findImpl(T key);
0256 template <typename T> const_iterator constFindImpl(T key) const;
0257 template <typename T> iterator insertImpl(T key, const QJsonValue &value);
0258
0259 #if QT_VERSION < QT_VERSION_CHECK(7, 0, 0) && !defined(QT_BOOTSTRAPPED)
0260 QString keyAt(qsizetype i) const;
0261 QJsonValue valueAt(qsizetype i) const;
0262 void setValueAt(qsizetype i, const QJsonValue &val);
0263 #endif
0264 void removeAt(qsizetype i);
0265 template <typename T> iterator insertAt(qsizetype i, T key, const QJsonValue &val, bool exists);
0266
0267 QExplicitlySharedDataPointer<QCborContainerPrivate> o;
0268 };
0269
0270 Q_DECLARE_SHARED(QJsonObject)
0271
0272 #if QT_VERSION >= QT_VERSION_CHECK(7, 0, 0) || defined(QT_BOOTSTRAPPED)
0273 inline QJsonValueConstRef::QJsonValueConstRef(QJsonObject *o, qsizetype idx)
0274 : d(o ? o->o.data() : nullptr), is_object(true), index(idx)
0275 {}
0276 #endif
0277
0278 Q_CORE_EXPORT size_t qHash(const QJsonObject &object, size_t seed = 0);
0279
0280 #if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY)
0281 Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonObject &);
0282 #endif
0283
0284 #ifndef QT_NO_DATASTREAM
0285 Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QJsonObject &);
0286 Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QJsonObject &);
0287 #endif
0288
0289 QT_END_NAMESPACE
0290
0291 #endif
