| /**************************************************************************** |
| ** |
| ** Copyright (C) 2015 The Qt Company Ltd. |
| ** Contact: http://www.qt.io/licensing/ |
| ** |
| ** This file is part of the QtCore module of the Qt Toolkit. |
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| ** $QT_BEGIN_LICENSE:LGPL21$ |
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| ** GNU Lesser General Public License Usage |
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| ** |
| ****************************************************************************/ |
| |
| #ifndef QJSONVALUE_H |
| #define QJSONVALUE_H |
| |
| #include <QtCore/qglobal.h> |
| #include <QtCore/qstring.h> |
| |
| QT_BEGIN_NAMESPACE |
| |
| class QDebug; |
| class QVariant; |
| class QJsonArray; |
| class QJsonObject; |
| |
| namespace QJsonPrivate { |
| class Data; |
| class Base; |
| class Object; |
| class Header; |
| class Array; |
| class Value; |
| class Entry; |
| } |
| |
| 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 n); |
| QJsonValue(const QString &s); |
| QJsonValue(QLatin1String s); |
| #ifndef QT_NO_CAST_FROM_ASCII |
| inline QT_ASCII_CAST_WARN QJsonValue(const char *s) |
| : d(0), t(String) { stringDataFromQStringHelper(QString::fromUtf8(s)); } |
| #endif |
| QJsonValue(const QJsonArray &a); |
| QJsonValue(const QJsonObject &o); |
| |
| ~QJsonValue(); |
| |
| QJsonValue(const QJsonValue &other); |
| QJsonValue &operator =(const QJsonValue &other); |
| |
| 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 &defaultValue = QString()) const; |
| QJsonArray toArray() const; |
| QJsonArray toArray(const QJsonArray &defaultValue) const; |
| QJsonObject toObject() const; |
| QJsonObject toObject(const QJsonObject &defaultValue) const; |
| |
| bool operator==(const QJsonValue &other) const; |
| bool operator!=(const QJsonValue &other) const; |
| |
| private: |
| // avoid implicit conversions from char * to bool |
| inline QJsonValue(const void *) {} |
| friend class QJsonPrivate::Value; |
| friend class QJsonArray; |
| friend class QJsonObject; |
| friend Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonValue &); |
| |
| QJsonValue(QJsonPrivate::Data *d, QJsonPrivate::Base *b, const QJsonPrivate::Value& v); |
| void stringDataFromQStringHelper(const QString &string); |
| |
| void detach(); |
| |
| union { |
| quint64 ui; |
| bool b; |
| double dbl; |
| QStringData *stringData; |
| QJsonPrivate::Base *base; |
| }; |
| QJsonPrivate::Data *d; // needed for Objects and Arrays |
| Type t; |
| }; |
| |
| class Q_CORE_EXPORT QJsonValueRef |
| { |
| public: |
| QJsonValueRef(QJsonArray *array, int idx) |
| : a(array), is_object(false), index(idx) {} |
| QJsonValueRef(QJsonObject *object, int idx) |
| : o(object), is_object(true), index(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; |
| }; |
| |
| #ifndef Q_QDOC |
| // ### 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; } |
| }; |
| #endif |
| |
| #if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY) |
| Q_CORE_EXPORT QDebug operator<<(QDebug, const QJsonValue &); |
| #endif |
| |
| QT_END_NAMESPACE |
| |
| #endif // QJSONVALUE_H |