1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
/****************************************************************************
**
** Copyright (C) 2020 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtQml 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 QJSMANAGEDVALUE_H
#define QJSMANAGEDVALUE_H
#include <QtQml/qtqmlglobal.h>
#include <QtQml/qjsprimitivevalue.h>
#include <QtQml/qjsvalue.h>
QT_BEGIN_NAMESPACE
namespace QV4 {
struct Value;
struct ExecutionEngine;
}
class QJSEngine;
class Q_QML_EXPORT QJSManagedValue
{
Q_DISABLE_COPY(QJSManagedValue)
public:
enum Type {
Undefined,
Boolean,
Number,
String,
Object,
Symbol,
Function
};
QJSManagedValue() = default;
QJSManagedValue(QJSValue value, QJSEngine *engine);
QJSManagedValue(const QJSPrimitiveValue &value, QJSEngine *engine);
QJSManagedValue(const QVariant &variant, QJSEngine *engine);
QJSManagedValue(const QString &string, QJSEngine *engine);
~QJSManagedValue();
QJSManagedValue(QJSManagedValue &&other);
QJSManagedValue &operator=(QJSManagedValue &&other);
bool equals(const QJSManagedValue &other) const;
bool strictlyEquals(const QJSManagedValue &other) const;
QJSEngine *engine() const;
QJSManagedValue prototype() const;
void setPrototype(const QJSManagedValue &prototype);
Type type() const;
// Compatibility with QJSValue
bool isUndefined() const { return type() == Undefined; }
bool isBoolean() const { return type() == Boolean; }
bool isNumber() const { return type() == Number; }
bool isString() const { return type() == String; }
bool isObject() const { return type() == Object; }
bool isSymbol() const { return type() == Symbol; }
bool isFunction() const { return type() == Function; }
// Special case of Number
bool isInteger() const;
// Selected special cases of Object
bool isNull() const;
bool isRegularExpression() const;
bool isArray() const;
bool isUrl() const;
bool isVariant() const;
bool isQObject() const;
bool isQMetaObject() const;
bool isDate() const;
bool isError() const;
bool isJsMetaType() const;
// Native type transformations
QString toString() const;
double toNumber() const;
bool toBoolean() const;
// Variant-like type transformations
QJSPrimitiveValue toPrimitive() const;
QJSValue toJSValue() const;
QVariant toVariant() const;
// Special cases
int toInteger() const;
QRegularExpression toRegularExpression() const;
QUrl toUrl() const;
QObject *toQObject() const;
const QMetaObject *toQMetaObject() const;
QDateTime toDateTime() const;
// Properties of objects
bool hasProperty(const QString &name) const;
bool hasOwnProperty(const QString &name) const;
QJSValue property(const QString &name) const;
void setProperty(const QString &name, const QJSValue &value);
bool deleteProperty(const QString &name);
// Array indexing
bool hasProperty(quint32 arrayIndex) const;
bool hasOwnProperty(quint32 arrayIndex) const;
QJSValue property(quint32 arrayIndex) const;
void setProperty(quint32 arrayIndex, const QJSValue &value);
bool deleteProperty(quint32 arrayIndex);
// Calling functions
QJSValue call(const QJSValueList &arguments = {}) const;
QJSValue callWithInstance(const QJSValue &instance, const QJSValueList &arguments = {}) const;
QJSValue callAsConstructor(const QJSValueList &arguments = {}) const;
// JavaScript metatypes
QJSManagedValue jsMetaType() const;
QStringList jsMetaMembers() const;
QJSManagedValue jsMetaInstantiate(const QJSValueList &values = {}) const;
private:
friend class QJSValue;
friend class QJSEngine;
QJSManagedValue(QV4::ExecutionEngine *engine);
QV4::Value *d = nullptr;
};
QT_END_NAMESPACE
#endif
|
