| /**************************************************************************** |
| ** |
| ** Copyright (C) 2016 The Qt Company Ltd. |
| ** Contact: https://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
| ** |
| ** $QT_BEGIN_LICENSE:LGPL$ |
| ** 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 https://www.qt.io/terms-conditions. For further |
| ** information use the contact form at https://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 3 as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
| ** packaging of this file. Please review the following information to |
| ** ensure the GNU Lesser General Public License version 3 requirements |
| ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
| ** |
| ** GNU General Public License Usage |
| ** Alternatively, this file may be used under the terms of the GNU |
| ** General Public License version 2.0 or (at your option) the GNU General |
| ** Public license version 3 or any later version approved by the KDE Free |
| ** Qt Foundation. The licenses are as published by the Free Software |
| ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
| ** included in the packaging of this file. Please review the following |
| ** information to ensure the GNU General Public License requirements will |
| ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
| ** https://www.gnu.org/licenses/gpl-3.0.html. |
| ** |
| ** $QT_END_LICENSE$ |
| ** |
| ****************************************************************************/ |
| |
| #ifndef QJSONVALUE_H |
| #define QJSONVALUE_H |
| |
| #include <QtCore/qglobal.h> |
| #include <QtCore/qstring.h> |
| #include <QtCore/qshareddata.h> |
| #include <QtCore/qcborvalue.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QVariant; |
| class QJsonArray; |
| class QJsonObject; |
| class QCborContainerPrivate; |
| |
| namespace QJsonPrivate { |
| class Value; |
| } |
| |
| class Q_CORE_EXPORT QJsonValue |
| { |
| public: |
| enum Type { |
| Null = 0x0, |
| Bool = 0x1, |
| Double = 0x2, |
| String = 0x3, |
| Array = 0x4, |
| Object = 0x5, |
| Undefined = 0x80 |
| }; |
| |
| QJsonValue(Type = Null); |
| QJsonValue(bool b); |
| QJsonValue(double n); |
| QJsonValue(int n); |
| QJsonValue(qint64 v); |
| QJsonValue(const QString &s); |
| QJsonValue(QLatin1String s); |
| #ifndef QT_NO_CAST_FROM_ASCII |
| inline QT_ASCII_CAST_WARN QJsonValue(const char *s) |
| : QJsonValue(QString::fromUtf8(s)) {} |
| #endif |
| QJsonValue(const QJsonArray &a); |
| QJsonValue(const QJsonObject &o); |
| |
| ~QJsonValue(); |
| |
| QJsonValue(const QJsonValue &other); |
| QJsonValue &operator =(const QJsonValue &other); |
| |
| QJsonValue(QJsonValue &&other) noexcept; |
| |
| QJsonValue &operator =(QJsonValue &&other) noexcept |
| { |
| swap(other); |
| return *this; |
| } |
| |
| void swap(QJsonValue &other) noexcept; |
| |
| static QJsonValue fromVariant(const QVariant &variant); |
| QVariant toVariant() const; |
| |
| Type type() const; |
| inline bool isNull() const { return type() == Null; } |
| inline bool isBool() const { return type() == Bool; } |
| inline bool isDouble() const { return type() == Double; } |
| inline bool isString() const { return type() == String; } |
| inline bool isArray() const { return type() == Array; } |
| inline bool isObject() const { return type() == Object; } |
| inline bool isUndefined() const { return type() == Undefined; } |
| |
| bool toBool(bool defaultValue = false) const; |
| int toInt(int defaultValue = 0) const; |
| double toDouble(double defaultValue = 0) const; |
| QString toString() const; |
| QString toString(const QString &defaultValue) const; |
| QJsonArray toArray() const; |
| QJsonArray toArray(const QJsonArray &defaultValue) const; |
| QJsonObject toObject() const; |
| QJsonObject toObject(const QJsonObject &defaultValue) const; |
| |
| #if QT_STRINGVIEW_LEVEL < 2 |
| const QJsonValue operator[](const QString &key) const; |
| #endif |
| const QJsonValue operator[](QStringView key) const; |
| const QJsonValue operator[](QLatin1String key) const; |
| const QJsonValue operator[](int i) const; |
| |
| bool operator==(const QJsonValue &other) const; |
| bool operator!=(const QJsonValue &other) const; |
| |
| private: |
| // avoid implicit conversions from char * to bool |
| QJsonValue(const void *) = delete; |
| friend class QJsonPrivate::Value; |
| friend class QJsonArray; |
| friend class QJsonObject; |
| friend class QCborValue; |
| friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonValue &); |
| friend Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QJsonValue &); |
| |
| // ### Qt6: Remove this. |
| void stringDataFromQStringHelper(const QString &string); |
| |
| void detach(); |
| |
| // ### Qt6: change to an actual QCborValue |
| qint64 n = 0; |
| QExplicitlySharedDataPointer<QCborContainerPrivate> d; // needed for Objects, Arrays, Strings |
| QCborValue::Type t; |
| |
| // Assert binary compatibility with pre-5.15 QJsonValue |
| Q_STATIC_ASSERT(sizeof(QExplicitlySharedDataPointer<QCborContainerPrivate>) == sizeof(void *)); |
| Q_STATIC_ASSERT(sizeof(QCborValue::Type) == sizeof(QJsonValue::Type)); |
| }; |
| |
| class Q_CORE_EXPORT QJsonValueRef |
| { |
| public: |
| QJsonValueRef(const QJsonValueRef &) = default; // ### Qt6: delete (maybe) |
| QJsonValueRef(QJsonArray *array, int idx) |
| : a(array), is_object(false), index(static_cast<uint>(idx)) {} |
| QJsonValueRef(QJsonObject *object, int idx) |
| : o(object), is_object(true), index(static_cast<uint>(idx)) {} |
| |
| inline operator QJsonValue() const { return toValue(); } |
| QJsonValueRef &operator = (const QJsonValue &val); |
| QJsonValueRef &operator = (const QJsonValueRef &val); |
| |
| QVariant toVariant() const; |
| inline QJsonValue::Type type() const { return toValue().type(); } |
| inline bool isNull() const { return type() == QJsonValue::Null; } |
| inline bool isBool() const { return type() == QJsonValue::Bool; } |
| inline bool isDouble() const { return type() == QJsonValue::Double; } |
| inline bool isString() const { return type() == QJsonValue::String; } |
| inline bool isArray() const { return type() == QJsonValue::Array; } |
| inline bool isObject() const { return type() == QJsonValue::Object; } |
| inline bool isUndefined() const { return type() == QJsonValue::Undefined; } |
| |
| inline bool toBool() const { return toValue().toBool(); } |
| inline int toInt() const { return toValue().toInt(); } |
| inline double toDouble() const { return toValue().toDouble(); } |
| inline QString toString() const { return toValue().toString(); } |
| QJsonArray toArray() const; |
| QJsonObject toObject() const; |
| |
| // ### Qt 6: Add default values |
| inline bool toBool(bool defaultValue) const { return toValue().toBool(defaultValue); } |
| inline int toInt(int defaultValue) const { return toValue().toInt(defaultValue); } |
| inline double toDouble(double defaultValue) const { return toValue().toDouble(defaultValue); } |
| inline QString toString(const QString &defaultValue) const { return toValue().toString(defaultValue); } |
| |
| inline bool operator==(const QJsonValue &other) const { return toValue() == other; } |
| inline bool operator!=(const QJsonValue &other) const { return toValue() != other; } |
| |
| private: |
| QJsonValue toValue() const; |
| |
| union { |
| QJsonArray *a; |
| QJsonObject *o; |
| }; |
| uint is_object : 1; |
| uint index : 31; |
| }; |
| |
| // ### Qt 6: Get rid of these fake pointer classes |
| class QJsonValuePtr |
| { |
| QJsonValue value; |
| public: |
| explicit QJsonValuePtr(const QJsonValue& val) |
| : value(val) {} |
| |
| QJsonValue& operator*() { return value; } |
| QJsonValue* operator->() { return &value; } |
| }; |
| |
| class QJsonValueRefPtr |
| { |
| QJsonValueRef valueRef; |
| public: |
| QJsonValueRefPtr(QJsonArray *array, int idx) |
| : valueRef(array, idx) {} |
| QJsonValueRefPtr(QJsonObject *object, int idx) |
| : valueRef(object, idx) {} |
| |
| QJsonValueRef& operator*() { return valueRef; } |
| QJsonValueRef* operator->() { return &valueRef; } |
| }; |
| |
| Q_DECLARE_SHARED_NOT_MOVABLE_UNTIL_QT6(QJsonValue) |
| |
| Q_CORE_EXPORT uint qHash(const QJsonValue &value, uint seed = 0); |
| |
| #if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY) |
| Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonValue &); |
| #endif |
| |
| #ifndef QT_NO_DATASTREAM |
| Q_CORE_EXPORT QDataStream &operator<<(QDataStream &, const QJsonValue &); |
| Q_CORE_EXPORT QDataStream &operator>>(QDataStream &, QJsonValue &); |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| #endif // QJSONVALUE_H |