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| ** Copyright (C) 2016 Intel Corporation. |
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| ****************************************************************************/ |
| |
| #ifndef QJSON_P_H |
| #define QJSON_P_H |
| |
| // |
| // W A R N I N G |
| // ------------- |
| // |
| // This file is not part of the Qt API. It exists purely as an |
| // implementation detail. This header file may change from version to |
| // version without notice, or even be removed. |
| // |
| // We mean it. |
| // |
| |
| #include <qjsonvalue.h> |
| #include <qcborvalue.h> |
| #include <private/qcborvalue_p.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| namespace QJsonPrivate { |
| |
| template<typename Element, typename ElementsIterator> |
| struct ObjectIterator |
| { |
| using pointer = Element *; |
| |
| struct value_type; |
| struct reference { |
| reference(Element &ref) : m_key(&ref) {} |
| |
| reference() = delete; |
| ~reference() = default; |
| |
| reference(const reference &other) = default; |
| reference(reference &&other) = default; |
| |
| reference &operator=(const value_type &value); |
| reference &operator=(const reference &other) |
| { |
| if (m_key != other.m_key) { |
| key() = other.key(); |
| value() = other.value(); |
| } |
| return *this; |
| } |
| |
| reference &operator=(reference &&other) |
| { |
| key() = other.key(); |
| value() = other.value(); |
| return *this; |
| } |
| |
| Element &key() { return *m_key; } |
| Element &value() { return *(m_key + 1); } |
| |
| const Element &key() const { return *m_key; } |
| const Element &value() const { return *(m_key + 1); } |
| |
| |
| private: |
| Element *m_key; |
| }; |
| |
| struct value_type { |
| value_type(reference ref) : m_key(ref.key()), m_value(ref.value()) {} |
| |
| Element key() const { return m_key; } |
| Element value() const { return m_value; } |
| private: |
| Element m_key; |
| Element m_value; |
| }; |
| |
| using difference_type = typename QVector<Element>::difference_type; |
| using iterator_category = std::random_access_iterator_tag; |
| |
| ObjectIterator() = default; |
| ObjectIterator(ElementsIterator it) : it(it) {} |
| ElementsIterator elementsIterator() { return it; } |
| |
| ObjectIterator operator++(int) { ObjectIterator ret(it); it += 2; return ret; } |
| ObjectIterator &operator++() { it += 2; return *this; } |
| ObjectIterator &operator+=(difference_type n) { it += 2 * n; return *this; } |
| |
| ObjectIterator operator--(int) { ObjectIterator ret(it); it -= 2; return ret; } |
| ObjectIterator &operator--() { it -= 2; return *this; } |
| ObjectIterator &operator-=(difference_type n) { it -= 2 * n; return *this; } |
| |
| reference operator*() const { return *it; } |
| reference operator[](int n) const { return it[n * 2]; } |
| |
| bool operator<(ObjectIterator other) const { return it < other.it; } |
| bool operator>(ObjectIterator other) const { return it > other.it; } |
| bool operator<=(ObjectIterator other) const { return it <= other.it; } |
| bool operator>=(ObjectIterator other) const { return it >= other.it; } |
| |
| private: |
| ElementsIterator it; |
| }; |
| |
| template<typename Element, typename ElementsIterator> |
| inline ObjectIterator<Element, ElementsIterator> operator+( |
| ObjectIterator<Element, ElementsIterator> a, |
| typename ObjectIterator<Element, ElementsIterator>::difference_type n) |
| { |
| return {a.elementsIterator() + 2 * n}; |
| } |
| template<typename Element, typename ElementsIterator> |
| inline ObjectIterator<Element, ElementsIterator> operator+( |
| int n, ObjectIterator<Element, ElementsIterator> a) |
| { |
| return {a.elementsIterator() + 2 * n}; |
| } |
| template<typename Element, typename ElementsIterator> |
| inline ObjectIterator<Element, ElementsIterator> operator-( |
| ObjectIterator<Element, ElementsIterator> a, |
| typename ObjectIterator<Element, ElementsIterator>::difference_type n) |
| { |
| return {a.elementsIterator() - 2 * n}; |
| } |
| template<typename Element, typename ElementsIterator> |
| inline int operator-( |
| ObjectIterator<Element, ElementsIterator> a, |
| ObjectIterator<Element, ElementsIterator> b) |
| { |
| return (a.elementsIterator() - b.elementsIterator()) / 2; |
| } |
| template<typename Element, typename ElementsIterator> |
| inline bool operator!=( |
| ObjectIterator<Element, ElementsIterator> a, |
| ObjectIterator<Element, ElementsIterator> b) |
| { |
| return a.elementsIterator() != b.elementsIterator(); |
| } |
| template<typename Element, typename ElementsIterator> |
| inline bool operator==( |
| ObjectIterator<Element, ElementsIterator> a, |
| ObjectIterator<Element, ElementsIterator> b) |
| { |
| return a.elementsIterator() == b.elementsIterator(); |
| } |
| |
| using KeyIterator = ObjectIterator<QtCbor::Element, QVector<QtCbor::Element>::iterator>; |
| using ConstKeyIterator = ObjectIterator<const QtCbor::Element, QVector<QtCbor::Element>::const_iterator>; |
| |
| template<> |
| inline KeyIterator::reference &KeyIterator::reference::operator=(const KeyIterator::value_type &value) |
| { |
| *m_key = value.key(); |
| *(m_key + 1) = value.value(); |
| return *this; |
| } |
| |
| inline void swap(KeyIterator::reference a, KeyIterator::reference b) |
| { |
| KeyIterator::value_type t = a; |
| a = b; |
| b = t; |
| } |
| |
| class Value |
| { |
| public: |
| static QCborContainerPrivate *container(const QCborValue &v) { return v.container; } |
| |
| static QJsonValue fromTrustedCbor(const QCborValue &v) |
| { |
| QJsonValue result; |
| result.d = v.container; |
| result.n = v.n; |
| result.t = v.t; |
| return result; |
| } |
| }; |
| |
| class Variant |
| { |
| public: |
| static QJsonObject toJsonObject(const QVariantMap &map); |
| static QJsonArray toJsonArray(const QVariantList &list); |
| }; |
| |
| } // namespace QJsonPrivate |
| |
| QT_END_NAMESPACE |
| |
| #endif // QJSON_P_H |