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39 
40 #ifndef QBINARYJSONVALUE_P_H
41 #define QBINARYJSONVALUE_P_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QtCore/qglobal.h>
55 #include <QtCore/qstring.h>
56 #include <QtCore/qjsonvalue.h>
57 
58 QT_REQUIRE_CONFIG(binaryjson);
59 
60 QT_BEGIN_NAMESPACE
61 
62 class QBinaryJsonArray;
63 class QBinaryJsonObject;
64 
65 namespace QBinaryJsonPrivate {
66 class ConstData;
67 class MutableData;
68 class Base;
69 class Value;
70 class Object;
71 class Array;
72 }
73 
74 class Q_CORE_EXPORT QBinaryJsonValue
75 {
Q_DISABLE_COPY(QBinaryJsonValue)76     Q_DISABLE_COPY(QBinaryJsonValue)
77 public:
78     explicit QBinaryJsonValue(QJsonValue::Type type) : ui(0), t(type) {}
QBinaryJsonValue(bool b)79     explicit QBinaryJsonValue(bool b) : b(b), t(QJsonValue::Bool) {}
QBinaryJsonValue(double n)80     explicit QBinaryJsonValue(double n) : dbl(n), t(QJsonValue::Double) {}
81     explicit QBinaryJsonValue(QString s);
82     QBinaryJsonValue(const QBinaryJsonArray &a);
83     QBinaryJsonValue(const QBinaryJsonObject &o);
84 
85     ~QBinaryJsonValue();
86 
QBinaryJsonValue(QBinaryJsonValue && other)87     QBinaryJsonValue(QBinaryJsonValue &&other) noexcept
88         : ui(other.ui),
89           d(other.d),
90           t(other.t)
91     {
92         other.ui = 0;
93         other.d = nullptr;
94         other.t = QJsonValue::Null;
95     }
96 
97     QBinaryJsonValue &operator =(QBinaryJsonValue &&other) noexcept
98     {
99         qSwap(ui, other.ui);
100         qSwap(d, other.d);
101         qSwap(t, other.t);
102         return *this;
103     }
104 
105     static QBinaryJsonValue fromJsonValue(const QJsonValue &json);
type()106     QJsonValue::Type type() const { return t; }
toBool()107     bool toBool() const { return (t == QJsonValue::Bool) && b; }
toDouble()108     double toDouble() const { return (t == QJsonValue::Double) ? dbl : 0; }
109     QString toString() const;
110 
111 private:
112     friend class QBinaryJsonPrivate::Value;
113     friend class QBinaryJsonArray;
114     friend class QBinaryJsonObject;
115 
116     QBinaryJsonValue(QBinaryJsonPrivate::MutableData *d, QBinaryJsonPrivate::Base *parent,
117                      const QBinaryJsonPrivate::Value &v);
118 
119     void detach();
120 
121     union {
122         quint64 ui;
123         bool b;
124         double dbl;
125         QStringData *stringData;
126         const QBinaryJsonPrivate::Base *base;
127     };
128     QBinaryJsonPrivate::MutableData *d = nullptr; // needed for Objects and Arrays
129     QJsonValue::Type t = QJsonValue::Null;
130 };
131 
132 QT_END_NAMESPACE
133 
134 #endif // QBINARYJSONVALUE_P_H
135