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
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
|
/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtDeclarative module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 http://www.qt.io/terms-conditions. For further
** information use the contact form at http://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 2.1 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qdeclarativeinfo.h"
#include "private/qdeclarativedata_p.h"
#include "qdeclarativecontext.h"
#include "private/qdeclarativecontext_p.h"
#include "private/qdeclarativemetatype_p.h"
#include "private/qdeclarativeengine_p.h"
#include <QCoreApplication>
QT_BEGIN_NAMESPACE
/*!
\fn QDeclarativeInfo qmlInfo(const QObject *object)
\relates QDeclarativeEngine
Prints warning messages that include the file and line number for the
specified QML \a object.
When QML types display warning messages, it improves traceability
if they include the QML file and line number on which the
particular instance was instantiated.
To include the file and line number, an object must be passed. If
the file and line number is not available for that instance
(either it was not instantiated by the QML engine or location
information is disabled), "unknown location" will be used instead.
For example,
\code
qmlInfo(object) << tr("component property is a write-once property");
\endcode
prints
\code
QML MyCustomType (unknown location): component property is a write-once property
\endcode
*/
class QDeclarativeInfoPrivate
{
public:
QDeclarativeInfoPrivate() : ref (1), object(0) {}
int ref;
const QObject *object;
QString buffer;
QList<QDeclarativeError> errors;
};
QDeclarativeInfo::QDeclarativeInfo(QDeclarativeInfoPrivate *p)
: QDebug(&p->buffer), d(p)
{
nospace();
}
QDeclarativeInfo::QDeclarativeInfo(const QDeclarativeInfo &other)
: QDebug(other), d(other.d)
{
d->ref++;
}
QDeclarativeInfo::~QDeclarativeInfo()
{
if (0 == --d->ref) {
QList<QDeclarativeError> errors = d->errors;
QDeclarativeEngine *engine = 0;
if (!d->buffer.isEmpty()) {
QDeclarativeError error;
QObject *object = const_cast<QObject *>(d->object);
if (object) {
engine = qmlEngine(d->object);
QString typeName;
QDeclarativeType *type = QDeclarativeMetaType::qmlType(object->metaObject());
if (type) {
typeName = QLatin1String(type->qmlTypeName());
int lastSlash = typeName.lastIndexOf(QLatin1Char('/'));
if (lastSlash != -1)
typeName = typeName.mid(lastSlash+1);
} else {
typeName = QString::fromUtf8(object->metaObject()->className());
int marker = typeName.indexOf(QLatin1String("_QMLTYPE_"));
if (marker != -1)
typeName = typeName.left(marker);
}
d->buffer.prepend(QLatin1String("QML ") + typeName + QLatin1String(": "));
QDeclarativeData *ddata = QDeclarativeData::get(object, false);
if (ddata && ddata->outerContext) {
error.setUrl(ddata->outerContext->url);
error.setLine(ddata->lineNumber);
error.setColumn(ddata->columnNumber);
}
}
error.setDescription(d->buffer);
errors.prepend(error);
}
QDeclarativeEnginePrivate::warning(engine, errors);
delete d;
}
}
namespace QtDeclarative {
QDeclarativeInfo qmlInfo(const QObject *me)
{
QDeclarativeInfoPrivate *d = new QDeclarativeInfoPrivate;
d->object = me;
return QDeclarativeInfo(d);
}
QDeclarativeInfo qmlInfo(const QObject *me, const QDeclarativeError &error)
{
QDeclarativeInfoPrivate *d = new QDeclarativeInfoPrivate;
d->object = me;
d->errors << error;
return QDeclarativeInfo(d);
}
QDeclarativeInfo qmlInfo(const QObject *me, const QList<QDeclarativeError> &errors)
{
QDeclarativeInfoPrivate *d = new QDeclarativeInfoPrivate;
d->object = me;
d->errors = errors;
return QDeclarativeInfo(d);
}
} // namespace QtDeclarative
#if QT_DEPRECATED_SINCE(5, 1)
// Also define symbols outside namespace to keep binary compatibility with 5.0
Q_DECLARATIVE_EXPORT QDeclarativeInfo qmlInfo(const QObject *me)
{
return QtDeclarative::qmlInfo(me);
}
Q_DECLARATIVE_EXPORT QDeclarativeInfo qmlInfo(const QObject *me,
const QDeclarativeError &error)
{
return QtDeclarative::qmlInfo(me, error);
}
Q_DECLARATIVE_EXPORT QDeclarativeInfo qmlInfo(const QObject *me,
const QList<QDeclarativeError> &errors)
{
return QtDeclarative::qmlInfo(me, errors);
}
#endif // QT_DEPRECATED_SINCE(5, 1)
QT_END_NAMESPACE
|
