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
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
|
/****************************************************************************
**
** Copyright (C) 2012 Nokia Corporation and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** This file may be used under the terms of the GNU Lesser General Public
** License version 2.1 as published by the Free Software Foundation and
** appearing in the file LICENSE.LGPL included in the packaging of this
** file. Please review the following information to ensure the GNU Lesser
** General Public License version 2.1 requirements will be met:
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file. Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** Other Usage
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
**
**
**
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qv8jsonwrapper_p.h"
#include "qv8engine_p.h"
#include "qjsconverter_impl_p.h"
QT_BEGIN_NAMESPACE
QV8JsonWrapper::QV8JsonWrapper()
: m_engine(0)
{
}
QV8JsonWrapper::~QV8JsonWrapper()
{
}
void QV8JsonWrapper::init(QV8Engine *engine)
{
m_engine = engine;
}
void QV8JsonWrapper::destroy()
{
}
v8::Handle<v8::Value> QV8JsonWrapper::fromJsonValue(const QJsonValue &value)
{
if (value.isString())
return QJSConverter::toString(value.toString());
else if (value.isDouble())
return v8::Number::New(value.toDouble());
else if (value.isBool())
return value.toBool() ? v8::True() : v8::False();
else if (value.isArray())
return fromJsonArray(value.toArray());
else if (value.isObject())
return fromJsonObject(value.toObject());
else if (value.isNull())
return v8::Null();
else
return v8::Undefined();
}
QJsonValue QV8JsonWrapper::toJsonValue(v8::Handle<v8::Value> value,
V8ObjectSet &visitedObjects)
{
if (value->IsString())
return QJsonValue(QJSConverter::toString(value.As<v8::String>()));
else if (value->IsNumber())
return QJsonValue(value->NumberValue());
else if (value->IsBoolean())
return QJsonValue(value->BooleanValue());
else if (value->IsArray())
return toJsonArray(value.As<v8::Array>(), visitedObjects);
else if (value->IsObject())
return toJsonObject(value.As<v8::Object>(), visitedObjects);
else if (value->IsNull())
return QJsonValue(QJsonValue::Null);
else
return QJsonValue(QJsonValue::Undefined);
}
v8::Local<v8::Object> QV8JsonWrapper::fromJsonObject(const QJsonObject &object)
{
v8::Local<v8::Object> v8object = v8::Object::New();
for (QJsonObject::const_iterator it = object.begin(); it != object.end(); ++it)
v8object->Set(QJSConverter::toString(it.key()), fromJsonValue(it.value()));
return v8object;
}
QJsonObject QV8JsonWrapper::toJsonObject(v8::Handle<v8::Value> value,
V8ObjectSet &visitedObjects)
{
QJsonObject result;
if (!value->IsObject() || value->IsArray() || value->IsFunction())
return result;
v8::Handle<v8::Object> v8object(value.As<v8::Object>());
if (visitedObjects.contains(v8object)) {
// Avoid recursion.
// For compatibility with QVariant{List,Map} conversion, we return an
// empty object (and no error is thrown).
return result;
}
visitedObjects.insert(v8object);
v8::Local<v8::Array> propertyNames = m_engine->getOwnPropertyNames(v8object);
uint32_t length = propertyNames->Length();
for (uint32_t i = 0; i < length; ++i) {
v8::Local<v8::Value> name = propertyNames->Get(i);
v8::Local<v8::Value> propertyValue = v8object->Get(name);
if (!propertyValue->IsFunction())
result.insert(QJSConverter::toString(name->ToString()),
toJsonValue(propertyValue, visitedObjects));
}
visitedObjects.remove(v8object);
return result;
}
v8::Local<v8::Array> QV8JsonWrapper::fromJsonArray(const QJsonArray &array)
{
int size = array.size();
v8::Local<v8::Array> v8array = v8::Array::New(size);
for (int i = 0; i < size; i++)
v8array->Set(i, fromJsonValue(array.at(i)));
return v8array;
}
QJsonArray QV8JsonWrapper::toJsonArray(v8::Handle<v8::Value> value,
V8ObjectSet &visitedObjects)
{
QJsonArray result;
if (!value->IsArray())
return result;
v8::Handle<v8::Array> v8array(value.As<v8::Array>());
if (visitedObjects.contains(v8array)) {
// Avoid recursion.
// For compatibility with QVariant{List,Map} conversion, we return an
// empty array (and no error is thrown).
return result;
}
visitedObjects.insert(v8array);
uint32_t length = v8array->Length();
for (uint32_t i = 0; i < length; ++i) {
v8::Local<v8::Value> element = v8array->Get(i);
if (!element->IsFunction())
result.append(toJsonValue(element, visitedObjects));
}
visitedObjects.remove(v8array);
return result;
}
QT_END_NAMESPACE
|
