diff options
Diffstat (limited to 'src/corelib/serialization/qjsonobject.cpp')
| -rw-r--r-- | src/corelib/serialization/qjsonobject.cpp | 142 |
1 files changed, 77 insertions, 65 deletions
diff --git a/src/corelib/serialization/qjsonobject.cpp b/src/corelib/serialization/qjsonobject.cpp index ab482876af..2f61de0824 100644 --- a/src/corelib/serialization/qjsonobject.cpp +++ b/src/corelib/serialization/qjsonobject.cpp @@ -25,11 +25,16 @@ QT_BEGIN_NAMESPACE \inmodule QtCore \ingroup json \ingroup shared + \ingroup qtserialization \reentrant \since 5.0 \brief The QJsonObject class encapsulates a JSON object. + \compares equality + \compareswith equality QJsonValue QJsonValueConstRef + \endcompareswith + A JSON object is a list of key value pairs, where the keys are unique strings and the values are represented by a QJsonValue. @@ -42,7 +47,7 @@ QT_BEGIN_NAMESPACE You can convert the object to and from text based JSON through QJsonDocument. - \sa {JSON Support in Qt}, {JSON Save Game Example} + \sa {JSON Support in Qt}, {Saving and Loading a Game} */ /*! @@ -84,7 +89,7 @@ QT_BEGIN_NAMESPACE QJsonObject::QJsonObject() = default; /*! - \fn QJsonObject::QJsonObject(std::initializer_list<QPair<QString, QJsonValue> > args) + \fn QJsonObject::QJsonObject(std::initializer_list<std::pair<QString, QJsonValue> > args) \since 5.4 Constructs a QJsonObject instance initialized from \a args initialization list. For example: @@ -110,7 +115,7 @@ QJsonObject::QJsonObject(QCborContainerPrivate *object) */ QJsonObject::~QJsonObject() = default; -QJsonObject::QJsonObject(std::initializer_list<QPair<QString, QJsonValue> > args) +QJsonObject::QJsonObject(std::initializer_list<std::pair<QString, QJsonValue> > args) { for (const auto &arg : args) insert(arg.first, arg.second); @@ -155,7 +160,7 @@ QJsonObject &QJsonObject::operator =(const QJsonObject &other) noexcept = defaul Swaps the object \a other with this. This operation is very fast and never fails. */ - +#ifndef QT_NO_VARIANT /*! Converts the variant map \a map to a QJsonObject. @@ -218,11 +223,12 @@ QVariantHash QJsonObject::toVariantHash() const { return QCborMap::fromJsonObject(*this).toVariantHash(); } +#endif // !QT_NO_VARIANT /*! Returns a list of all keys in this object. - The list is sorted lexographically. + The list is sorted alphabetically. */ QStringList QJsonObject::keys() const { @@ -263,7 +269,7 @@ static qsizetype indexOf(const QExplicitlySharedDataPointer<QCborContainerPrivat const auto it = std::lower_bound( begin, end, key, [&](const QJsonPrivate::ConstKeyIterator::value_type &e, const String &key) { - return o->stringCompareElement(e.key(), key) < 0; + return o->stringCompareElement(e.key(), key, QtCbor::Comparison::ForOrdering) < 0; }); *keyExists = (it != end) && o->stringEqualsElement((*it).key(), key); @@ -611,22 +617,24 @@ bool QJsonObject::containsImpl(T key) const } /*! - Returns \c true if \a other is equal to this object. - */ -bool QJsonObject::operator==(const QJsonObject &other) const + \fn bool QJsonObject::operator==(const QJsonObject &lhs, const QJsonObject &rhs) + + Returns \c true if \a lhs object is equal to \a rhs, \c false otherwise. +*/ +bool comparesEqual(const QJsonObject &lhs, const QJsonObject &rhs) noexcept { - if (o == other.o) + if (lhs.o == rhs.o) return true; - if (!o) - return !other.o->elements.size(); - if (!other.o) - return !o->elements.size(); - if (o->elements.size() != other.o->elements.size()) + if (!lhs.o) + return !rhs.o->elements.size(); + if (!rhs.o) + return !lhs.o->elements.size(); + if (lhs.o->elements.size() != rhs.o->elements.size()) return false; - for (qsizetype i = 0, end = o->elements.size(); i < end; ++i) { - if (o->valueAt(i) != other.o->valueAt(i)) + for (qsizetype i = 0, end = lhs.o->elements.size(); i < end; ++i) { + if (lhs.o->valueAt(i) != rhs.o->valueAt(i)) return false; } @@ -634,12 +642,10 @@ bool QJsonObject::operator==(const QJsonObject &other) const } /*! - Returns \c true if \a other is not equal to this object. - */ -bool QJsonObject::operator!=(const QJsonObject &other) const -{ - return !(*this == other); -} + \fn bool QJsonObject::operator!=(const QJsonObject &lhs, const QJsonObject &rhs) + + Returns \c true if \a lhs object is not equal to \a rhs, \c false otherwise. +*/ /*! Removes the (key, value) pair pointed to by the iterator \a it @@ -834,6 +840,10 @@ QJsonObject::const_iterator QJsonObject::constFindImpl(T key) const \brief The QJsonObject::iterator class provides an STL-style non-const iterator for QJsonObject. + \compares strong + \compareswith strong QJsonObject::const_iterator + \endcompareswith + QJsonObject::iterator allows you to iterate over a QJsonObject and to modify the value (but not the key) stored under a particular key. If you want to iterate over a const QJsonObject, you @@ -850,7 +860,7 @@ QJsonObject::const_iterator QJsonObject::constFindImpl(T key) const Multiple iterators can be used on the same object. Existing iterators will however become dangling once the object gets modified. - \sa QJsonObject::const_iterator, {JSON Support in Qt}, {JSON Save Game Example} + \sa QJsonObject::const_iterator, {JSON Support in Qt}, {Saving and Loading a Game} */ /*! \typedef QJsonObject::iterator::difference_type @@ -967,55 +977,55 @@ QJsonObject::const_iterator QJsonObject::constFindImpl(T key) const */ /*! - \fn bool QJsonObject::iterator::operator==(const iterator &other) const - \fn bool QJsonObject::iterator::operator==(const const_iterator &other) const + \fn bool QJsonObject::iterator::operator==(const iterator &lhs, const iterator &rhs) + \fn bool QJsonObject::iterator::operator==(const iterator &lhs, const const_iterator &rhs) - Returns \c true if \a other points to the same item as this + Returns \c true if \a lhs points to the same item as \a rhs iterator; otherwise returns \c false. \sa operator!=() */ /*! - \fn bool QJsonObject::iterator::operator!=(const iterator &other) const - \fn bool QJsonObject::iterator::operator!=(const const_iterator &other) const + \fn bool QJsonObject::iterator::operator!=(const iterator &lhs, const iterator &rhs) + \fn bool QJsonObject::iterator::operator!=(const iterator &lhs, const const_iterator &rhs) - Returns \c true if \a other points to a different item than this + Returns \c true if \a lhs points to a different item than \a rhs iterator; otherwise returns \c false. \sa operator==() */ /*! - \fn bool QJsonObject::iterator::operator<(const iterator& other) const - \fn bool QJsonObject::iterator::operator<(const const_iterator& other) const + \fn bool QJsonObject::iterator::operator<(const iterator &lhs, const iterator &rhs) + \fn bool QJsonObject::iterator::operator<(const iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is less than - the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is less than + the item pointed to by the \a rhs iterator. */ /*! - \fn bool QJsonObject::iterator::operator<=(const iterator& other) const - \fn bool QJsonObject::iterator::operator<=(const const_iterator& other) const + \fn bool QJsonObject::iterator::operator<=(const iterator &lhs, const iterator &rhs) + \fn bool QJsonObject::iterator::operator<=(const iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is less than - or equal to the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is less than + or equal to the item pointed to by the \a rhs iterator. */ /*! - \fn bool QJsonObject::iterator::operator>(const iterator& other) const - \fn bool QJsonObject::iterator::operator>(const const_iterator& other) const + \fn bool QJsonObject::iterator::operator>(const iterator &lhs, const iterator &rhs) + \fn bool QJsonObject::iterator::operator>(const iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is greater - than the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is greater + than the item pointed to by the \a rhs iterator. */ /*! - \fn bool QJsonObject::iterator::operator>=(const iterator& other) const - \fn bool QJsonObject::iterator::operator>=(const const_iterator& other) const + \fn bool QJsonObject::iterator::operator>=(const iterator &lhs, const iterator &rhs) + \fn bool QJsonObject::iterator::operator>=(const iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is greater - than or equal to the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is greater + than or equal to the item pointed to by the \a rhs iterator. */ /*! \fn QJsonObject::iterator QJsonObject::iterator::operator++() @@ -1104,6 +1114,10 @@ QJsonObject::const_iterator QJsonObject::constFindImpl(T key) const \since 5.0 \brief The QJsonObject::const_iterator class provides an STL-style const iterator for QJsonObject. + \compares strong + \compareswith strong QJsonObject::iterator + \endcompareswith + QJsonObject::const_iterator allows you to iterate over a QJsonObject. If you want to modify the QJsonObject as you iterate over it, you must use QJsonObject::iterator instead. It is generally @@ -1120,7 +1134,7 @@ QJsonObject::const_iterator QJsonObject::constFindImpl(T key) const Multiple iterators can be used on the same object. Existing iterators will however become dangling if the object gets modified. - \sa QJsonObject::iterator, {JSON Support in Qt}, {JSON Save Game Example} + \sa QJsonObject::iterator, {JSON Support in Qt}, {Saving and Loading a Game} */ /*! \typedef QJsonObject::const_iterator::difference_type @@ -1212,50 +1226,48 @@ QJsonObject::const_iterator QJsonObject::constFindImpl(T key) const */ -/*! \fn bool QJsonObject::const_iterator::operator==(const const_iterator &other) const - \fn bool QJsonObject::const_iterator::operator==(const iterator &other) const +/*! \fn bool QJsonObject::const_iterator::operator==(const const_iterator &lhs, const const_iterator &rhs) - Returns \c true if \a other points to the same item as this + Returns \c true if \a lhs points to the same item as \a rhs iterator; otherwise returns \c false. \sa operator!=() */ -/*! \fn bool QJsonObject::const_iterator::operator!=(const const_iterator &other) const - \fn bool QJsonObject::const_iterator::operator!=(const iterator &other) const +/*! \fn bool QJsonObject::const_iterator::operator!=(const const_iterator &lhs, const const_iterator &rhs) - Returns \c true if \a other points to a different item than this + Returns \c true if \a lhs points to a different item than \a rhs iterator; otherwise returns \c false. \sa operator==() */ /*! - \fn bool QJsonObject::const_iterator::operator<(const const_iterator& other) const + \fn bool QJsonObject::const_iterator::operator<(const const_iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is less than - the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is less than + the item pointed to by the \a rhs iterator. */ /*! - \fn bool QJsonObject::const_iterator::operator<=(const const_iterator& other) const + \fn bool QJsonObject::const_iterator::operator<=(const const_iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is less than - or equal to the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is less than + or equal to the item pointed to by the \a rhs iterator. */ /*! - \fn bool QJsonObject::const_iterator::operator>(const const_iterator& other) const + \fn bool QJsonObject::const_iterator::operator>(const const_iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is greater - than the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is greater + than the item pointed to by the \a rhs iterator. */ /*! - \fn bool QJsonObject::const_iterator::operator>=(const const_iterator& other) const + \fn bool QJsonObject::const_iterator::operator>=(const const_iterator &lhs, const const_iterator &rhs) - Returns \c true if the item pointed to by this iterator is greater - than or equal to the item pointed to by the \a other iterator. + Returns \c true if the item pointed to by \a lhs iterator is greater + than or equal to the item pointed to by the \a rhs iterator. */ /*! \fn QJsonObject::const_iterator QJsonObject::const_iterator::operator++() |