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qjsonobject.cpp

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/home/qt/qt5_coco/qt5/qtbase/src/corelib/json/qjsonobject.cpp

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1 /**************************************************************************** -

2 ** -

4 ** Contact: https://www.qt.io/licensing/ -

5 ** -

6 ** This file is part of the QtCore module of the Qt Toolkit. -

7 ** -

8 ** $QT_BEGIN_LICENSE:LGPL$ -

9 ** Commercial License Usage -

10 ** Licensees holding valid commercial Qt licenses may use this file in -

11 ** accordance with the commercial license agreement provided with the -

12 ** Software or, alternatively, in accordance with the terms contained in -

13 ** a written agreement between you and The Qt Company. For licensing terms -

14 ** and conditions see https://www.qt.io/terms-conditions. For further -

15 ** information use the contact form at https://www.qt.io/contact-us. -

16 ** -

17 ** GNU Lesser General Public License Usage -

18 ** Alternatively, this file may be used under the terms of the GNU Lesser -

19 ** General Public License version 3 as published by the Free Software -

20 ** Foundation and appearing in the file LICENSE.LGPL3 included in the -

21 ** packaging of this file. Please review the following information to -

22 ** ensure the GNU Lesser General Public License version 3 requirements -

23 ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -

24 ** -

25 ** GNU General Public License Usage -

26 ** Alternatively, this file may be used under the terms of the GNU -

27 ** General Public License version 2.0 or (at your option) the GNU General -

28 ** Public license version 3 or any later version approved by the KDE Free -

29 ** Qt Foundation. The licenses are as published by the Free Software -

30 ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -

31 ** included in the packaging of this file. Please review the following -

32 ** information to ensure the GNU General Public License requirements will -

33 ** be met: https://www.gnu.org/licenses/gpl-2.0.html and -

34 ** https://www.gnu.org/licenses/gpl-3.0.html. -

35 ** -

36 ** $QT_END_LICENSE$ -

37 ** -

38 ****************************************************************************/ -

39 -

40 #include <qjsonobject.h> -

41 #include <qjsonvalue.h> -

42 #include <qjsonarray.h> -

43 #include <qstringlist.h> -

44 #include <qdebug.h> -

45 #include <qvariant.h> -

46 #include "qjson_p.h" -

47 #include "qjsonwriter_p.h" -

48 -

49 QT_BEGIN_NAMESPACE -

50 -

51 /*! -

52 \class QJsonObject -

53 \inmodule QtCore -

54 \ingroup json -

55 \ingroup shared -

56 \reentrant -

57 \since 5.0 -

58 -

59 \brief The QJsonObject class encapsulates a JSON object. -

60 -

61 A JSON object is a list of key value pairs, where the keys are unique strings -

62 and the values are represented by a QJsonValue. -

63 -

64 A QJsonObject can be converted to and from a QVariantMap. You can query the -

65 number of (key, value) pairs with size(), insert(), and remove() entries from it -

66 and iterate over its content using the standard C++ iterator pattern. -

67 -

68 QJsonObject is an implicitly shared class, and shares the data with the document -

69 it has been created from as long as it is not being modified. -

70 -

71 You can convert the object to and from text based JSON through QJsonDocument. -

72 -

73 \sa {JSON Support in Qt}, {JSON Save Game Example} -

74 */ -

75 -

76 /*! -

77 \typedef QJsonObject::Iterator -

78 -

79 Qt-style synonym for QJsonObject::iterator. -

80 */ -

81 -

82 /*! -

83 \typedef QJsonObject::ConstIterator -

84 -

85 Qt-style synonym for QJsonObject::const_iterator. -

86 */ -

87 -

88 /*! -

89 \typedef QJsonObject::key_type -

90 -

91 Typedef for QString. Provided for STL compatibility. -

92 */ -

93 -

94 /*! -

95 \typedef QJsonObject::mapped_type -

96 -

97 Typedef for QJsonValue. Provided for STL compatibility. -

98 */ -

99 -

100 /*! -

101 \typedef QJsonObject::size_type -

102 -

103 Typedef for int. Provided for STL compatibility. -

104 */ -

105 -

106 -

107 /*! -

108 Constructs an empty JSON object. -

109 -

110 \sa isEmpty() -

111 */ -

112 QJsonObject::QJsonObject() -

113 : d(0), o(0) -

114 { -

115

}

executed 43570 times by 142 tests: end of block

Executed by:

tst_Lancelot
tst_NetworkSelfTest
tst_PlatformSocketEngine
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDnsLookup
tst_QDnsLookup_Appless
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
...

43570

116 -

117 /*! -

118 \fn QJsonObject::QJsonObject(std::initializer_list<QPair<QString, QJsonValue> > args) -

119 \since 5.4 -

120 Constructs a QJsonObject instance initialized from \a args initialization list. -

121 For example: -

122 \code -

123 QJsonObject object -

124 { -

125 {"property1", 1}, -

126 {"property2", 2} -

127 }; -

128 \endcode -

129 */ -

130 -

131 /*! -

132 \internal -

133 */ -

134 QJsonObject::QJsonObject(QJsonPrivate::Data *data, QJsonPrivate::Object *object) -

135 : d(data), o(object) -

136 { -

137 Q_ASSERT(d); -

138 Q_ASSERT(o); -

139 d->ref.ref(); -

140

}

executed 42729 times by 117 tests: end of block

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

42729

141 -

142 /*! -

143 This method replaces part of the QJsonObject(std::initializer_list<QPair<QString, QJsonValue>> args) body. -

144 The constructor needs to be inline, but we do not want to leak implementation details -

145 of this class. -

146 \note this method is called for an uninitialized object -

147 \internal -

148 */ -

149 -

150 void QJsonObject::initialize() -

151 { -

152 d = 0; -

153 o = 0; -

154

}

never executed: end of block

155 -

156 /*! -

157 Destroys the object. -

158 */ -

159 QJsonObject::~QJsonObject() -

160 { -

161

if (d && !d->ref.deref())

Description

TRUE

evaluated 86679 times by 359 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

FALSE

evaluated 42799 times by 120 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

!d->ref.deref()

Description

TRUE

evaluated 2835 times by 248 tests

Evaluated by:

tst_QFactoryLoader
tst_QGuiApplication
tst_QMetaType
tst_QPluginLoader
tst_gestures - unknown status
tst_lancelot - unknown status
tst_languagechange - unknown status
tst_modeltest - unknown status
tst_networkselftest - unknown status
tst_qabstractbutton - unknown status
tst_qabstractitemview - unknown status
tst_qabstractnetworkcache - unknown status
tst_qabstractprintdialog - unknown status
tst_qabstractproxymodel - unknown status
tst_qabstractscrollarea - unknown status
tst_qabstractslider - unknown status
tst_qabstractspinbox - unknown status
tst_qabstracttextdocumentlayout - unknown status
tst_qaccessibility - unknown status
tst_qaction - unknown status
tst_qactiongroup - unknown status
tst_qapplication - unknown status
tst_qbackingstore - unknown status
tst_qboxlayout - unknown status
tst_qbrush - unknown status
...

FALSE

evaluated 83844 times by 118 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

2835-86679

162

delete d;

executed 2835 times by 248 tests: delete d;

Executed by:

tst_QFactoryLoader
tst_QGuiApplication
tst_QMetaType
tst_QPluginLoader
tst_gestures - unknown status
tst_lancelot - unknown status
tst_languagechange - unknown status
tst_modeltest - unknown status
tst_networkselftest - unknown status
tst_qabstractbutton - unknown status
tst_qabstractitemview - unknown status
tst_qabstractnetworkcache - unknown status
tst_qabstractprintdialog - unknown status
tst_qabstractproxymodel - unknown status
tst_qabstractscrollarea - unknown status
tst_qabstractslider - unknown status
tst_qabstractspinbox - unknown status
tst_qabstracttextdocumentlayout - unknown status
tst_qaccessibility - unknown status
tst_qaction - unknown status
tst_qactiongroup - unknown status
tst_qapplication - unknown status
tst_qbackingstore - unknown status
tst_qboxlayout - unknown status
tst_qbrush - unknown status
...

2835

163

}

executed 129478 times by 362 tests: end of block

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

129478

164 -

165 /*! -

166 Creates a copy of \a other. -

167 -

168 Since QJsonObject is implicitly shared, the copy is shallow -

169 as long as the object does not get modified. -

170 */ -

171 QJsonObject::QJsonObject(const QJsonObject &other) -

172 { -

173 d = other.d; -

174 o = other.o; -

175

if (d)

Description

TRUE

evaluated 41141 times by 112 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
...

FALSE

evaluated 3 times by 1 test

Evaluated by:

tst_QVariant

3-41141

176

d->ref.ref();

executed 41141 times by 112 tests: d->ref.ref();

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
...

41141

177

}

executed 41144 times by 113 tests: end of block

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
tst_QFontComboBox
...

41144

178 -

179 /*! -

180 Assigns \a other to this object. -

181 */ -

182 QJsonObject &QJsonObject::operator =(const QJsonObject &other) -

183 { -

184

if (d != other.d) {

d != other.d

Description

TRUE

evaluated 678 times by 111 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

FALSE

evaluated 1 time by 1 test

Evaluated by:

tst_QVariant

1-678

185

if (d && !d->ref.deref())

Description

TRUE

never evaluated

FALSE

evaluated 678 times by 111 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

!d->ref.deref()	Description
TRUE	never evaluated
FALSE	never evaluated

0-678

186

delete d;

never executed: delete d;

187 d = other.d; -

188

if (d)

Description

TRUE

evaluated 678 times by 111 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

FALSE

never evaluated

0-678

189

d->ref.ref();

executed 678 times by 111 tests: d->ref.ref();

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

678

190

}

executed 678 times by 111 tests: end of block

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

678

191 o = other.o; -

192 -

193

return *this;

executed 679 times by 112 tests: return *this;

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

679

194 } -

195 -

196 /*! -

197 Converts the variant map \a map to a QJsonObject. -

198 -

199 The keys in \a map will be used as the keys in the JSON object, -

200 and the QVariant values will be converted to JSON values. -

201 -

202 \sa fromVariantHash(), toVariantMap(), QJsonValue::fromVariant() -

203 */ -

204 QJsonObject QJsonObject::fromVariantMap(const QVariantMap &map) -

205 { -

206 QJsonObject object; -

207

if (map.isEmpty())

map.isEmpty()	Description
TRUE	never evaluated
FALSE	never evaluated

208

return object;

never executed: return object;

209 -

210 object.detach2(1024); -

211 -

212 QVector<QJsonPrivate::offset> offsets; -

213 QJsonPrivate::offset currentOffset; -

214 currentOffset = sizeof(QJsonPrivate::Base); -

215 -

216 // the map is already sorted, so we can simply append one entry after the other and -

217 // write the offset table at the end -

218

for (QVariantMap::const_iterator it = map.constBegin(); it != map.constEnd(); ++it) {

it != map.constEnd()	Description
TRUE	never evaluated
FALSE	never evaluated

219 QString key = it.key(); -

220 QJsonValue val = QJsonValue::fromVariant(it.value()); -

221 -

222 bool latinOrIntValue; -

223 int valueSize = QJsonPrivate::Value::requiredStorage(val, &latinOrIntValue); -

224 -

225 bool latinKey = QJsonPrivate::useCompressed(key); -

226 int valueOffset = sizeof(QJsonPrivate::Entry) + QJsonPrivate::qStringSize(key, latinKey); -

227 int requiredSize = valueOffset + valueSize; -

228 -

229

if (!object.detach2(requiredSize + sizeof(QJsonPrivate::offset))) // offset for the new index entry

!object.detach...vate::offset))	Description
TRUE	never evaluated
FALSE	never evaluated

230

return QJsonObject();

never executed: return QJsonObject();

231 -

232 QJsonPrivate::Entry *e = reinterpret_cast<QJsonPrivate::Entry *>(reinterpret_cast<char *>(object.o) + currentOffset); -

233 e->value.type = val.t; -

234 e->value.latinKey = latinKey; -

235 e->value.latinOrIntValue = latinOrIntValue; -

236 e->value.value = QJsonPrivate::Value::valueToStore(val, (char *)e - (char *)object.o + valueOffset); -

237 QJsonPrivate::copyString((char *)(e + 1), key, latinKey); -

238

if (valueSize)

valueSize	Description
TRUE	never evaluated
FALSE	never evaluated

239

QJsonPrivate::Value::copyData(val, (char *)e + valueOffset, latinOrIntValue);

never executed: QJsonPrivate::Value::copyData(val, (char *)e + valueOffset, latinOrIntValue);

240 -

241 offsets << currentOffset; -

242 currentOffset += requiredSize; -

243 object.o->size = currentOffset; -

244

}

never executed: end of block

245 -

246 // write table -

247 object.o->tableOffset = currentOffset; -

248

if (!object.detach2(sizeof(QJsonPrivate::offset)*offsets.size()))

!object.detach...ffsets.size())	Description
TRUE	never evaluated
FALSE	never evaluated

249

return QJsonObject();

never executed: return QJsonObject();

250 memcpy(object.o->table(), offsets.constData(), offsets.size()*sizeof(uint)); -

251 object.o->length = offsets.size(); -

252 object.o->size = currentOffset + sizeof(QJsonPrivate::offset)*offsets.size(); -

253 -

254

return object;

never executed: return object;

255 } -

256 -

257 /*! -

258 Converts this object to a QVariantMap. -

259 -

260 Returns the created map. -

261 -

262 \sa toVariantHash() -

263 */ -

264 QVariantMap QJsonObject::toVariantMap() const -

265 { -

266 QVariantMap map; -

267

if (o) {

o	Description
TRUE	never evaluated
FALSE	never evaluated

268

for (uint i = 0; i < o->length; ++i) {

i < o->length	Description
TRUE	never evaluated
FALSE	never evaluated

269 QJsonPrivate::Entry *e = o->entryAt(i); -

270 map.insert(e->key(), QJsonValue(d, o, e->value).toVariant()); -

271

}

never executed: end of block

272

}

never executed: end of block

273

return map;

never executed: return map;

274 } -

275 -

276 /*! -

277 Converts the variant hash \a hash to a QJsonObject. -

278 \since 5.5 -

279 -

280 The keys in \a hash will be used as the keys in the JSON object, -

281 and the QVariant values will be converted to JSON values. -

282 -

283 \sa fromVariantMap(), toVariantHash(), QJsonValue::fromVariant() -

284 */ -

285 QJsonObject QJsonObject::fromVariantHash(const QVariantHash &hash) -

286 { -

287 // ### this is implemented the trivial way, not the most efficient way -

288 -

289 QJsonObject object; -

290

for (QVariantHash::const_iterator it = hash.constBegin(); it != hash.constEnd(); ++it)

it != hash.constEnd()	Description
TRUE	never evaluated
FALSE	never evaluated

291

object.insert(it.key(), QJsonValue::fromVariant(it.value()));

never executed: object.insert(it.key(), QJsonValue::fromVariant(it.value()));

292

return object;

never executed: return object;

293 } -

294 -

295 /*! -

296 Converts this object to a QVariantHash. -

297 \since 5.5 -

298 -

299 Returns the created hash. -

300 -

301 \sa toVariantMap() -

302 */ -

303 QVariantHash QJsonObject::toVariantHash() const -

304 { -

305 QVariantHash hash; -

306

if (o) {

o	Description
TRUE	never evaluated
FALSE	never evaluated

307 hash.reserve(o->length); -

308

for (uint i = 0; i < o->length; ++i) {

i < o->length	Description
TRUE	never evaluated
FALSE	never evaluated

309 QJsonPrivate::Entry *e = o->entryAt(i); -

310 hash.insert(e->key(), QJsonValue(d, o, e->value).toVariant()); -

311

}

never executed: end of block

312

}

never executed: end of block

313

return hash;

never executed: return hash;

314 } -

315 -

316 /*! -

317 Returns a list of all keys in this object. -

318 -

319 The list is sorted lexographically. -

320 */ -

321 QStringList QJsonObject::keys() const -

322 { -

323 QStringList keys; -

324

if (o) {

o	Description
TRUE	never evaluated
FALSE	never evaluated

325 keys.reserve(o->length); -

326

for (uint i = 0; i < o->length; ++i) {

i < o->length	Description
TRUE	never evaluated
FALSE	never evaluated

327 QJsonPrivate::Entry *e = o->entryAt(i); -

328 keys.append(e->key()); -

329

}

never executed: end of block

330

}

never executed: end of block

331

return keys;

never executed: return keys;

332 } -

333 -

334 /*! -

335 Returns the number of (key, value) pairs stored in the object. -

336 */ -

337 int QJsonObject::size() const -

338 { -

339

if (!d)

!d	Description
TRUE	never evaluated
FALSE	evaluated 4 times by 1 test Evaluated by: tst_qmakelib

0-4

340

return 0;

never executed: return 0;

341 -

342

return o->length;

executed 4 times by 1 test: return o->length;

Executed by:

tst_qmakelib

343 } -

344 -

345 /*! -

346 Returns \c true if the object is empty. This is the same as size() == 0. -

347 -

348 \sa size() -

349 */ -

350 bool QJsonObject::isEmpty() const -

351 { -

352

if (!d)

!d	Description
TRUE	never evaluated
FALSE	never evaluated

353

return true;

never executed: return true;

354 -

355

return !o->length;

never executed: return !o->length;

356 } -

357 -

358 /*! -

359 Returns a QJsonValue representing the value for the key \a key. -

360 -

361 The returned QJsonValue is QJsonValue::Undefined if the key does not exist. -

362 -

363 \sa QJsonValue, QJsonValue::isUndefined() -

364 */ -

365 QJsonValue QJsonObject::value(const QString &key) const -

366 { -

367

if (!d)

!d	Description
TRUE	never evaluated
FALSE	evaluated 1180 times by 1 test Evaluated by: tst_QNetworkCookieJar

0-1180

368

return QJsonValue(QJsonValue::Undefined);

never executed: return QJsonValue(QJsonValue::Undefined);

369 -

370 bool keyExists; -

371 int i = o->indexOf(key, &keyExists); -

372

if (!keyExists)

!keyExists	Description
TRUE	evaluated 155 times by 1 test Evaluated by: tst_QNetworkCookieJar
FALSE	evaluated 1025 times by 1 test Evaluated by: tst_QNetworkCookieJar

155-1025

373

return QJsonValue(QJsonValue::Undefined);

executed 155 times by 1 test: return QJsonValue(QJsonValue::Undefined);

Executed by:

tst_QNetworkCookieJar

155

374

return QJsonValue(d, o, o->entryAt(i)->value);

executed 1025 times by 1 test: return QJsonValue(d, o, o->entryAt(i)->value);

Executed by:

tst_QNetworkCookieJar

1025

375 } -

376 -

377 /*! -

378 \overload -

379 \since 5.7 -

380 */ -

381 QJsonValue QJsonObject::value(QLatin1String key) const -

382 { -

383

if (!d)

Description

TRUE

never evaluated

FALSE

evaluated 86427 times by 115 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

0-86427

384

return QJsonValue(QJsonValue::Undefined);

never executed: return QJsonValue(QJsonValue::Undefined);

385 -

386 bool keyExists; -

387 int i = o->indexOf(key, &keyExists); -

388

if (!keyExists)

!keyExists

Description

TRUE

evaluated 147 times by 2 tests

Evaluated by:

tst_QFactoryLoader
tst_QOpenGlConfig

FALSE

evaluated 86280 times by 115 tests

Evaluated by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

147-86280

389

return QJsonValue(QJsonValue::Undefined);

executed 147 times by 2 tests: return QJsonValue(QJsonValue::Undefined);

Executed by:

tst_QFactoryLoader
tst_QOpenGlConfig

147

390

return QJsonValue(d, o, o->entryAt(i)->value);

executed 86280 times by 115 tests: return QJsonValue(d, o, o->entryAt(i)->value);

Executed by:

tst_NetworkSelfTest
tst_QAbstractItemView
tst_QAbstractNetworkCache
tst_QAbstractPrintDialog
tst_QAbstractScrollArea
tst_QAccessibility
tst_QApplication
tst_QBrush
tst_QButtonGroup
tst_QCalendarWidget
tst_QColorDialog
tst_QColumnView
tst_QComboBox
tst_QCommandLinkButton
tst_QCompleter
tst_QDataStream
tst_QDateTimeEdit
tst_QDialog
tst_QDoubleSpinBox
tst_QFactoryLoader
tst_QFileDialog2
tst_QFileIconProvider
tst_QFileSystemModel
tst_QFiledialog
tst_QFocusEvent
...

86280

391 } -

392 -

393 /*! -

394 Returns a QJsonValue representing the value for the key \a key. -

395 -

396 This does the same as value(). -

397 -

398 The returned QJsonValue is QJsonValue::Undefined if the key does not exist. -

399 -

400 \sa value(), QJsonValue, QJsonValue::isUndefined() -

401 */ -

402 QJsonValue QJsonObject::operator [](const QString &key) const -

403 { -

404

return value(key);

never executed: return value(key);

405 } -

406 -

407 /*! -

408 \fn QJsonValue QJsonObject::operator [](QLatin1String key) const -

409 -

410 \overload -

411 \since 5.7 -

412 */ -

413 -

414 /*! -

415 Returns a reference to the value for \a key. -

416 -

417 The return value is of type QJsonValueRef, a helper class for QJsonArray -

418 and QJsonObject. When you get an object of type QJsonValueRef, you can -

419 use it as if it were a reference to a QJsonValue. If you assign to it, -

420 the assignment will apply to the element in the QJsonArray or QJsonObject -

421 from which you got the reference. -

422 -

423 \sa value() -

424 */ -

425 QJsonValueRef QJsonObject::operator [](const QString &key) -

426 { -

427 // ### somewhat inefficient, as we lookup the key twice if it doesn't yet exist -

428 bool keyExists = false; -

429

int index = o ? o->indexOf(key, &keyExists) : -1;

o	Description
TRUE	never evaluated
FALSE	never evaluated

430

if (!keyExists) {

!keyExists	Description
TRUE	never evaluated
FALSE	never evaluated

431 iterator i = insert(key, QJsonValue()); -

432 index = i.i; -

433

}

never executed: end of block

434

return QJsonValueRef(this, index);

never executed: return QJsonValueRef(this, index);

435 } -

436 -

437 /*! -

438 \overload -

439 \since 5.7 -

440 */ -

441 QJsonValueRef QJsonObject::operator [](QLatin1String key) -

442 { -

443 // ### optimize me -

444

return operator[](QString(key));

never executed: return operator[](QString(key));

445 } -

446 -

447 /*! -

448 Inserts a new item with the key \a key and a value of \a value. -

449 -

450 If there is already an item with the key \a key, then that item's value -

451 is replaced with \a value. -

452 -

453 Returns an iterator pointing to the inserted item. -

454 -

455 If the value is QJsonValue::Undefined, it will cause the key to get removed -

456 from the object. The returned iterator will then point to end(). -

457 -

458 \sa remove(), take(), QJsonObject::iterator, end() -

459 */ -

460 QJsonObject::iterator QJsonObject::insert(const QString &key, const QJsonValue &value) -

461 { -

462

if (value.t == QJsonValue::Undefined) {

value.t == QJs...lue::Undefined	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: tst_QMetaType

0-8

463 remove(key); -

464

return end();

never executed: return end();

465 } -

466 QJsonValue val = value; -

467 -

468 bool latinOrIntValue; -

469 int valueSize = QJsonPrivate::Value::requiredStorage(val, &latinOrIntValue); -

470 -

471 bool latinKey = QJsonPrivate::useCompressed(key); -

472 int valueOffset = sizeof(QJsonPrivate::Entry) + QJsonPrivate::qStringSize(key, latinKey); -

473 int requiredSize = valueOffset + valueSize; -

474 -

475

if (!detach2(requiredSize + sizeof(QJsonPrivate::offset))) // offset for the new index entry

!detach2(requi...vate::offset))	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: tst_QMetaType

0-8

476

return iterator();

never executed: return iterator();

477 -

478

if (!o->length)

!o->length	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QMetaType
FALSE	evaluated 6 times by 1 test Evaluated by: tst_QMetaType

2-6

479

o->tableOffset = sizeof(QJsonPrivate::Object);

executed 2 times by 1 test: o->tableOffset = sizeof(QJsonPrivate::Object);

Executed by:

tst_QMetaType

480 -

481 bool keyExists = false; -

482 int pos = o->indexOf(key, &keyExists); -

483

if (keyExists)

keyExists	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: tst_QMetaType

0-8

484

++d->compactionCounter;

never executed: ++d->compactionCounter;

485 -

486 uint off = o->reserveSpace(requiredSize, pos, 1, keyExists); -

487

if (!off)

!off	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: tst_QMetaType

0-8

488

return end();

never executed: return end();

489 -

490 QJsonPrivate::Entry *e = o->entryAt(pos); -

491 e->value.type = val.t; -

492 e->value.latinKey = latinKey; -

493 e->value.latinOrIntValue = latinOrIntValue; -

494 e->value.value = QJsonPrivate::Value::valueToStore(val, (char *)e - (char *)o + valueOffset); -

495 QJsonPrivate::copyString((char *)(e + 1), key, latinKey); -

496

if (valueSize)

valueSize	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QMetaType
FALSE	evaluated 6 times by 1 test Evaluated by: tst_QMetaType

2-6

497

QJsonPrivate::Value::copyData(val, (char *)e + valueOffset, latinOrIntValue);

executed 2 times by 1 test: QJsonPrivate::Value::copyData(val, (char *)e + valueOffset, latinOrIntValue);

Executed by:

tst_QMetaType

498 -

499

if (d->compactionCounter > 32u && d->compactionCounter >= unsigned(o->length) / 2u)

d->compactionCounter > 32u	Description
TRUE	never evaluated
FALSE	evaluated 8 times by 1 test Evaluated by: tst_QMetaType

d->compactionC...->length) / 2u	Description
TRUE	never evaluated
FALSE	never evaluated

0-8

500

compact();

never executed: compact();

501 -

502

return iterator(this, pos);

executed 8 times by 1 test: return iterator(this, pos);

Executed by:

tst_QMetaType

503 } -

504 -

505 /*! -

506 Removes \a key from the object. -

507 -

508 \sa insert(), take() -

509 */ -

510 void QJsonObject::remove(const QString &key) -

511 { -

512

if (!d)

!d	Description
TRUE	never evaluated
FALSE	never evaluated

513

return;

never executed: return;

514 -

515 bool keyExists; -

516 int index = o->indexOf(key, &keyExists); -

517

if (!keyExists)

!keyExists	Description
TRUE	never evaluated
FALSE	never evaluated

518

return;

never executed: return;

519 -

520 detach2(); -

521 o->removeItems(index, 1); -

522 ++d->compactionCounter; -

523

if (d->compactionCounter > 32u && d->compactionCounter >= unsigned(o->length) / 2u)

d->compactionCounter > 32u	Description
TRUE	never evaluated
FALSE	never evaluated

d->compactionC...->length) / 2u	Description
TRUE	never evaluated
FALSE	never evaluated

524

compact();

never executed: compact();

525

}

never executed: end of block

526 -

527 /*! -

528 Removes \a key from the object. -

529 -

530 Returns a QJsonValue containing the value referenced by \a key. -

531 If \a key was not contained in the object, the returned QJsonValue -

532 is QJsonValue::Undefined. -

533 -

534 \sa insert(), remove(), QJsonValue -

535 */ -

536 QJsonValue QJsonObject::take(const QString &key) -

537 { -

538

if (!o)

!o	Description
TRUE	never evaluated
FALSE	never evaluated

539

return QJsonValue(QJsonValue::Undefined);

never executed: return QJsonValue(QJsonValue::Undefined);

540 -

541 bool keyExists; -

542 int index = o->indexOf(key, &keyExists); -

543

if (!keyExists)

!keyExists	Description
TRUE	never evaluated
FALSE	never evaluated

544

return QJsonValue(QJsonValue::Undefined);

never executed: return QJsonValue(QJsonValue::Undefined);

545 -

546 QJsonValue v(d, o, o->entryAt(index)->value); -

547 detach2(); -

548 o->removeItems(index, 1); -

549 ++d->compactionCounter; -

550

if (d->compactionCounter > 32u && d->compactionCounter >= unsigned(o->length) / 2u)

d->compactionCounter > 32u	Description
TRUE	never evaluated
FALSE	never evaluated

d->compactionC...->length) / 2u	Description
TRUE	never evaluated
FALSE	never evaluated

551

compact();

never executed: compact();

552 -

553

return v;

never executed: return v;

554 } -

555 -

556 /*! -

557 Returns \c true if the object contains key \a key. -

558 -

559 \sa insert(), remove(), take() -

560 */ -

561 bool QJsonObject::contains(const QString &key) const -

562 { -

563

if (!o)

!o	Description
TRUE	never evaluated
FALSE	never evaluated

564

return false;

never executed: return false;

565 -

566 bool keyExists; -

567 o->indexOf(key, &keyExists); -

568

return keyExists;

never executed: return keyExists;

569 } -

570 -

571 /*! -

572 \overload -

573 \since 5.7 -

574 */ -

575 bool QJsonObject::contains(QLatin1String key) const -

576 { -

577

if (!o)

!o	Description
TRUE	never evaluated
FALSE	evaluated 12 times by 1 test Evaluated by: tst_QOpenGlConfig

0-12

578

return false;

never executed: return false;

579 -

580 bool keyExists; -

581 o->indexOf(key, &keyExists); -

582

return keyExists;

executed 12 times by 1 test: return keyExists;

Executed by:

tst_QOpenGlConfig

583 } -

584 -

585 /*! -

586 Returns \c true if \a other is equal to this object. -

587 */ -

588 bool QJsonObject::operator==(const QJsonObject &other) const -

589 { -

590

if (o == other.o)

o == other.o	Description
TRUE	evaluated 8 times by 1 test Evaluated by: tst_QMetaType
FALSE	never evaluated

0-8

591

return true;

executed 8 times by 1 test: return true;

Executed by:

tst_QMetaType

592 -

593

if (!o)

!o	Description
TRUE	never evaluated
FALSE	never evaluated

594

return !other.o->length;

never executed: return !other.o->length;

595

if (!other.o)

!other.o	Description
TRUE	never evaluated
FALSE	never evaluated

596

return !o->length;

never executed: return !o->length;

597

if (o->length != other.o->length)

o->length != other.o->length	Description
TRUE	never evaluated
FALSE	never evaluated

598

return false;

never executed: return false;

599 -

600

for (uint i = 0; i < o->length; ++i) {

i < o->length	Description
TRUE	never evaluated
FALSE	never evaluated

601 QJsonPrivate::Entry *e = o->entryAt(i); -

602 QJsonValue v(d, o, e->value); -

603

if (other.value(e->key()) != v)

other.value(e->key()) != v	Description
TRUE	never evaluated
FALSE	never evaluated

604

return false;

never executed: return false;

605

}

never executed: end of block

606 -

607

return true;

never executed: return true;

608 } -

609 -

610 /*! -

611 Returns \c true if \a other is not equal to this object. -

612 */ -

613 bool QJsonObject::operator!=(const QJsonObject &other) const -

614 { -

615

return !(*this == other);

never executed: return !(*this == other);

616 } -

617 -

618 /*! -

619 Removes the (key, value) pair pointed to by the iterator \a it -

620 from the map, and returns an iterator to the next item in the -

621 map. -

622 -

623 \sa remove() -

624 */ -

625 QJsonObject::iterator QJsonObject::erase(QJsonObject::iterator it) -

626 { -

627 Q_ASSERT(d && d->ref.load() == 1); -

628

if (it.o != this || it.i < 0 || it.i >= (int)o->length)

it.o != this	Description
TRUE	never evaluated
FALSE	never evaluated

it.i < 0	Description
TRUE	never evaluated
FALSE	never evaluated

it.i >= (int)o->length	Description
TRUE	never evaluated
FALSE	never evaluated

629

return iterator(this, o->length);

never executed: return iterator(this, o->length);

630 -

631 int index = it.i; -

632 -

633 o->removeItems(index, 1); -

634 ++d->compactionCounter; -

635

if (d->compactionCounter > 32u && d->compactionCounter >= unsigned(o->length) / 2u)

d->compactionCounter > 32u	Description
TRUE	never evaluated
FALSE	never evaluated

d->compactionC...->length) / 2u	Description
TRUE	never evaluated
FALSE	never evaluated

636

compact();

never executed: compact();

637 -

638 // iterator hasn't changed -

639

return it;

never executed: return it;

640 } -

641 -

642 /*! -

643 Returns an iterator pointing to the item with key \a key in the -

644 map. -

645 -

646 If the map contains no item with key \a key, the function -

647 returns end(). -

648 */ -

649 QJsonObject::iterator QJsonObject::find(const QString &key) -

650 { -

651 bool keyExists = false; -

652

int index = o ? o->indexOf(key, &keyExists) : 0;

o	Description
TRUE	never evaluated
FALSE	never evaluated

653

if (!keyExists)

!keyExists	Description
TRUE	never evaluated
FALSE	never evaluated

654

return end();

never executed: return end();

655 detach2(); -

656

return iterator(this, index);

never executed: return iterator(this, index);

657 } -

658 -

659 /*! -

660 \overload -

661 \since 5.7 -

662 */ -

663 QJsonObject::iterator QJsonObject::find(QLatin1String key) -

664 { -

665 bool keyExists = false; -

666

int index = o ? o->indexOf(key, &keyExists) : 0;

o	Description
TRUE	never evaluated
FALSE	never evaluated

667

if (!keyExists)

!keyExists	Description
TRUE	never evaluated
FALSE	never evaluated

668

return end();

never executed: return end();

669 detach2(); -

670

return iterator(this, index);

never executed: return iterator(this, index);

671 } -

672 -

673 /*! \fn QJsonObject::const_iterator QJsonObject::find(const QString &key) const -

674 -

675 \overload -

676 */ -

677 -

678 /*! \fn QJsonObject::const_iterator QJsonObject::find(QLatin1String key) const -

679 -

680 \overload -

681 \since 5.7 -

682 */ -

683 -

684 /*! -

685 Returns a const iterator pointing to the item with key \a key in the -

686 map. -

687 -

688 If the map contains no item with key \a key, the function -

689 returns constEnd(). -

690 */ -

691 QJsonObject::const_iterator QJsonObject::constFind(const QString &key) const -

692 { -

693 bool keyExists = false; -

694

int index = o ? o->indexOf(key, &keyExists) : 0;

o	Description
TRUE	never evaluated
FALSE	never evaluated

695

if (!keyExists)

!keyExists	Description
TRUE	never evaluated
FALSE	never evaluated

696

return end();

never executed: return end();

697

return const_iterator(this, index);

never executed: return const_iterator(this, index);

698 } -

699 -

700 /*! -

701 \overload -

702 \since 5.7 -

703 */ -

704 QJsonObject::const_iterator QJsonObject::constFind(QLatin1String key) const -

705 { -

706 bool keyExists = false; -

707

int index = o ? o->indexOf(key, &keyExists) : 0;

o	Description
TRUE	never evaluated
FALSE	never evaluated

708

if (!keyExists)

!keyExists	Description
TRUE	never evaluated
FALSE	never evaluated

709

return end();

never executed: return end();

710

return const_iterator(this, index);

never executed: return const_iterator(this, index);

711 } -

712 -

713 /*! \fn int QJsonObject::count() const -

714 -

715 \overload -

716 -

717 Same as size(). -

718 */ -

719 -

720 /*! \fn int QJsonObject::length() const -

721 -

722 \overload -

723 -

724 Same as size(). -

725 */ -

726 -

727 /*! \fn QJsonObject::iterator QJsonObject::begin() -

728 -

729 Returns an \l{STL-style iterators}{STL-style iterator} pointing to the first item in -

730 the object. -

731 -

732 \sa constBegin(), end() -

733 */ -

734 -

735 /*! \fn QJsonObject::const_iterator QJsonObject::begin() const -

736 -

737 \overload -

738 */ -

739 -

740 /*! \fn QJsonObject::const_iterator QJsonObject::constBegin() const -

741 -

742 Returns a const \l{STL-style iterators}{STL-style iterator} pointing to the first item -

743 in the object. -

744 -

745 \sa begin(), constEnd() -

746 */ -

747 -

748 /*! \fn QJsonObject::iterator QJsonObject::end() -

749 -

750 Returns an \l{STL-style iterators}{STL-style iterator} pointing to the imaginary item -

751 after the last item in the object. -

752 -

753 \sa begin(), constEnd() -

754 */ -

755 -

756 /*! \fn QJsonObject::const_iterator QJsonObject::end() const -

757 -

758 \overload -

759 */ -

760 -

761 /*! \fn QJsonObject::const_iterator QJsonObject::constEnd() const -

762 -

763 Returns a const \l{STL-style iterators}{STL-style iterator} pointing to the imaginary -

764 item after the last item in the object. -

765 -

766 \sa constBegin(), end() -

767 */ -

768 -

769 /*! -

770 \fn bool QJsonObject::empty() const -

771 -

772 This function is provided for STL compatibility. It is equivalent -

773 to isEmpty(), returning \c true if the object is empty; otherwise -

774 returning \c false. -

775 */ -

776 -

777 /*! \class QJsonObject::iterator -

778 \inmodule QtCore -

779 \ingroup json -

780 \reentrant -

781 \since 5.0 -

782 -

783 \brief The QJsonObject::iterator class provides an STL-style non-const iterator for QJsonObject. -

784 -

785 QJsonObject::iterator allows you to iterate over a QJsonObject -

786 and to modify the value (but not the key) stored under -

787 a particular key. If you want to iterate over a const QJsonObject, you -

788 should use QJsonObject::const_iterator. It is generally good practice to -

789 use QJsonObject::const_iterator on a non-const QJsonObject as well, unless you -

790 need to change the QJsonObject through the iterator. Const iterators are -

791 slightly faster, and improve code readability. -

792 -

793 The default QJsonObject::iterator constructor creates an uninitialized -

794 iterator. You must initialize it using a QJsonObject function like -

795 QJsonObject::begin(), QJsonObject::end(), or QJsonObject::find() before you can -

796 start iterating. -

797 -

798 Multiple iterators can be used on the same object. Existing iterators will however -

799 become dangling once the object gets modified. -

800 -

801 \sa QJsonObject::const_iterator, {JSON Support in Qt}, {JSON Save Game Example} -

802 */ -

803 -

804 /*! \typedef QJsonObject::iterator::difference_type -

805 -

806 \internal -

807 */ -

808 -

809 /*! \typedef QJsonObject::iterator::iterator_category -

810 -

811 A synonym for \e {std::random_access_iterator_tag} indicating -

812 this iterator is a random-access iterator. -

813 -

814 \note In Qt versions before 5.6, this was set by mistake to -

815 \e {std::bidirectional_iterator_tag}. -

816 */ -

817 -

818 /*! \typedef QJsonObject::iterator::reference -

819 -

820 \internal -

821 */ -

822 -

823 /*! \typedef QJsonObject::iterator::value_type -

824 -

825 \internal -

826 */ -

827 -

828 /*! \typedef QJsonObject::iterator::pointer -

829 -

830 \internal -

831 */ -

832 -

833 /*! \fn QJsonObject::iterator::iterator() -

834 -

835 Constructs an uninitialized iterator. -

836 -

837 Functions like key(), value(), and operator++() must not be -

838 called on an uninitialized iterator. Use operator=() to assign a -

839 value to it before using it. -

840 -

841 \sa QJsonObject::begin(), QJsonObject::end() -

842 */ -

843 -

844 /*! \fn QJsonObject::iterator::iterator(QJsonObject *obj, int index) -

845 \internal -

846 */ -

847 -

848 /*! \fn QString QJsonObject::iterator::key() const -

849 -

850 Returns the current item's key. -

851 -

852 There is no direct way of changing an item's key through an -

853 iterator, although it can be done by calling QJsonObject::erase() -

854 followed by QJsonObject::insert(). -

855 -

856 \sa value() -

857 */ -

858 -

859 /*! \fn QJsonValueRef QJsonObject::iterator::value() const -

860 -

861 Returns a modifiable reference to the current item's value. -

862 -

863 You can change the value of an item by using value() on -

864 the left side of an assignment. -

865 -

866 The return value is of type QJsonValueRef, a helper class for QJsonArray -

867 and QJsonObject. When you get an object of type QJsonValueRef, you can -

868 use it as if it were a reference to a QJsonValue. If you assign to it, -

869 the assignment will apply to the element in the QJsonArray or QJsonObject -

870 from which you got the reference. -

871 -

872 \sa key(), operator*() -

873 */ -

874 -

875 /*! \fn QJsonValueRef QJsonObject::iterator::operator*() const -

876 -

877 Returns a modifiable reference to the current item's value. -

878 -

879 Same as value(). -

880 -

881 The return value is of type QJsonValueRef, a helper class for QJsonArray -

882 and QJsonObject. When you get an object of type QJsonValueRef, you can -

883 use it as if it were a reference to a QJsonValue. If you assign to it, -

884 the assignment will apply to the element in the QJsonArray or QJsonObject -

885 from which you got the reference. -

886 -

887 \sa key() -

888 */ -

889 -

890 /*! \fn QJsonValueRef *QJsonObject::iterator::operator->() const -

891 -

892 Returns a pointer to a modifiable reference to the current item. -

893 */ -

894 -

895 /*! -

896 \fn bool QJsonObject::iterator::operator==(const iterator &other) const -

897 \fn bool QJsonObject::iterator::operator==(const const_iterator &other) const -

898 -

899 Returns \c true if \a other points to the same item as this -

900 iterator; otherwise returns \c false. -

901 -

902 \sa operator!=() -

903 */ -

904 -

905 /*! -

906 \fn bool QJsonObject::iterator::operator!=(const iterator &other) const -

907 \fn bool QJsonObject::iterator::operator!=(const const_iterator &other) const -

908 -

909 Returns \c true if \a other points to a different item than this -

910 iterator; otherwise returns \c false. -

911 -

912 \sa operator==() -

913 */ -

914 -

915 /*! \fn QJsonObject::iterator QJsonObject::iterator::operator++() -

916 -

917 The prefix ++ operator, \c{++i}, advances the iterator to the -

918 next item in the object and returns an iterator to the new current -

919 item. -

920 -

921 Calling this function on QJsonObject::end() leads to undefined results. -

922 -

923 \sa operator--() -

924 */ -

925 -

926 /*! \fn QJsonObject::iterator QJsonObject::iterator::operator++(int) -

927 -

928 \overload -

929 -

930 The postfix ++ operator, \c{i++}, advances the iterator to the -

931 next item in the object and returns an iterator to the previously -

932 current item. -

933 */ -

934 -

935 /*! \fn QJsonObject::iterator QJsonObject::iterator::operator--() -

936 -

937 The prefix -- operator, \c{--i}, makes the preceding item -

938 current and returns an iterator pointing to the new current item. -

939 -

940 Calling this function on QJsonObject::begin() leads to undefined -

941 results. -

942 -

943 \sa operator++() -

944 */ -

945 -

946 /*! \fn QJsonObject::iterator QJsonObject::iterator::operator--(int) -

947 -

948 \overload -

949 -

950 The postfix -- operator, \c{i--}, makes the preceding item -

951 current and returns an iterator pointing to the previously -

952 current item. -

953 */ -

954 -

955 /*! \fn QJsonObject::iterator QJsonObject::iterator::operator+(int j) const -

956 -

957 Returns an iterator to the item at \a j positions forward from -

958 this iterator. If \a j is negative, the iterator goes backward. -

959 -

960 \sa operator-() -

961 -

962 */ -

963 -

964 /*! \fn QJsonObject::iterator QJsonObject::iterator::operator-(int j) const -

965 -

966 Returns an iterator to the item at \a j positions backward from -

967 this iterator. If \a j is negative, the iterator goes forward. -

968 -

969 \sa operator+() -

970 */ -

971 -

972 /*! \fn QJsonObject::iterator &QJsonObject::iterator::operator+=(int j) -

973 -

974 Advances the iterator by \a j items. If \a j is negative, the -

975 iterator goes backward. -

976 -

977 \sa operator-=(), operator+() -

978 */ -

979 -

980 /*! \fn QJsonObject::iterator &QJsonObject::iterator::operator-=(int j) -

981 -

982 Makes the iterator go back by \a j items. If \a j is negative, -

983 the iterator goes forward. -

984 -

985 \sa operator+=(), operator-() -

986 */ -

987 -

988 /*! -

989 \class QJsonObject::const_iterator -

990 \inmodule QtCore -

991 \ingroup json -

992 \since 5.0 -

993 \brief The QJsonObject::const_iterator class provides an STL-style const iterator for QJsonObject. -

994 -

995 QJsonObject::const_iterator allows you to iterate over a QJsonObject. -

996 If you want to modify the QJsonObject as you iterate -

997 over it, you must use QJsonObject::iterator instead. It is generally -

998 good practice to use QJsonObject::const_iterator on a non-const QJsonObject as -

999 well, unless you need to change the QJsonObject through the iterator. -

1000 Const iterators are slightly faster and improve code -

1001 readability. -

1002 -

1003 The default QJsonObject::const_iterator constructor creates an -

1004 uninitialized iterator. You must initialize it using a QJsonObject -

1005 function like QJsonObject::constBegin(), QJsonObject::constEnd(), or -

1006 QJsonObject::find() before you can start iterating. -

1007 -

1008 Multiple iterators can be used on the same object. Existing iterators -

1009 will however become dangling if the object gets modified. -

1010 -

1011 \sa QJsonObject::iterator, {JSON Support in Qt}, {JSON Save Game Example} -

1012 */ -

1013 -

1014 /*! \typedef QJsonObject::const_iterator::difference_type -

1015 -

1016 \internal -

1017 */ -

1018 -

1019 /*! \typedef QJsonObject::const_iterator::iterator_category -

1020 -

1021 A synonym for \e {std::random_access_iterator_tag} indicating -

1022 this iterator is a random-access iterator. -

1023 -

1024 \note In Qt versions before 5.6, this was set by mistake to -

1025 \e {std::bidirectional_iterator_tag}. -

1026 */ -

1027 -

1028 /*! \typedef QJsonObject::const_iterator::reference -

1029 -

1030 \internal -

1031 */ -

1032 -

1033 /*! \typedef QJsonObject::const_iterator::value_type -

1034 -

1035 \internal -

1036 */ -

1037 -

1038 /*! \typedef QJsonObject::const_iterator::pointer -

1039 -

1040 \internal -

1041 */ -

1042 -

1043 /*! \fn QJsonObject::const_iterator::const_iterator() -

1044 -

1045 Constructs an uninitialized iterator. -

1046 -

1047 Functions like key(), value(), and operator++() must not be -

1048 called on an uninitialized iterator. Use operator=() to assign a -

1049 value to it before using it. -

1050 -

1051 \sa QJsonObject::constBegin(), QJsonObject::constEnd() -

1052 */ -

1053 -

1054 /*! \fn QJsonObject::const_iterator::const_iterator(const QJsonObject *obj, int index) -

1055 \internal -

1056 */ -

1057 -

1058 /*! \fn QJsonObject::const_iterator::const_iterator(const iterator &other) -

1059 -

1060 Constructs a copy of \a other. -

1061 */ -

1062 -

1063 /*! \fn QString QJsonObject::const_iterator::key() const -

1064 -

1065 Returns the current item's key. -

1066 -

1067 \sa value() -

1068 */ -

1069 -

1070 /*! \fn QJsonValue QJsonObject::const_iterator::value() const -

1071 -

1072 Returns the current item's value. -

1073 -

1074 \sa key(), operator*() -

1075 */ -

1076 -

1077 /*! \fn QJsonValue QJsonObject::const_iterator::operator*() const -

1078 -

1079 Returns the current item's value. -

1080 -

1081 Same as value(). -

1082 -

1083 \sa key() -

1084 */ -

1085 -

1086 /*! \fn QJsonValue *QJsonObject::const_iterator::operator->() const -

1087 -

1088 Returns a pointer to the current item. -

1089 */ -

1090 -

1091 /*! \fn bool QJsonObject::const_iterator::operator==(const const_iterator &other) const -

1092 \fn bool QJsonObject::const_iterator::operator==(const iterator &other) const -

1093 -

1094 Returns \c true if \a other points to the same item as this -

1095 iterator; otherwise returns \c false. -

1096 -

1097 \sa operator!=() -

1098 */ -

1099 -

1100 /*! \fn bool QJsonObject::const_iterator::operator!=(const const_iterator &other) const -

1101 \fn bool QJsonObject::const_iterator::operator!=(const iterator &other) const -

1102 -

1103 Returns \c true if \a other points to a different item than this -

1104 iterator; otherwise returns \c false. -

1105 -

1106 \sa operator==() -

1107 */ -

1108 -

1109 /*! \fn QJsonObject::const_iterator QJsonObject::const_iterator::operator++() -

1110 -

1111 The prefix ++ operator, \c{++i}, advances the iterator to the -

1112 next item in the object and returns an iterator to the new current -

1113 item. -

1114 -

1115 Calling this function on QJsonObject::end() leads to undefined results. -

1116 -

1117 \sa operator--() -

1118 */ -

1119 -

1120 /*! \fn QJsonObject::const_iterator QJsonObject::const_iterator::operator++(int) -

1121 -

1122 \overload -

1123 -

1124 The postfix ++ operator, \c{i++}, advances the iterator to the -

1125 next item in the object and returns an iterator to the previously -

1126 current item. -

1127 */ -

1128 -

1129 /*! \fn QJsonObject::const_iterator &QJsonObject::const_iterator::operator--() -

1130 -

1131 The prefix -- operator, \c{--i}, makes the preceding item -

1132 current and returns an iterator pointing to the new current item. -

1133 -

1134 Calling this function on QJsonObject::begin() leads to undefined -

1135 results. -

1136 -

1137 \sa operator++() -

1138 */ -

1139 -

1140 /*! \fn QJsonObject::const_iterator QJsonObject::const_iterator::operator--(int) -

1141 -

1142 \overload -

1143 -

1144 The postfix -- operator, \c{i--}, makes the preceding item -

1145 current and returns an iterator pointing to the previously -

1146 current item. -

1147 */ -

1148 -

1149 /*! \fn QJsonObject::const_iterator QJsonObject::const_iterator::operator+(int j) const -

1150 -

1151 Returns an iterator to the item at \a j positions forward from -

1152 this iterator. If \a j is negative, the iterator goes backward. -

1153 -

1154 This operation can be slow for large \a j values. -

1155 -

1156 \sa operator-() -

1157 */ -

1158 -

1159 /*! \fn QJsonObject::const_iterator QJsonObject::const_iterator::operator-(int j) const -

1160 -

1161 Returns an iterator to the item at \a j positions backward from -

1162 this iterator. If \a j is negative, the iterator goes forward. -

1163 -

1164 This operation can be slow for large \a j values. -

1165 -

1166 \sa operator+() -

1167 */ -

1168 -

1169 /*! \fn QJsonObject::const_iterator &QJsonObject::const_iterator::operator+=(int j) -

1170 -

1171 Advances the iterator by \a j items. If \a j is negative, the -

1172 iterator goes backward. -

1173 -

1174 This operation can be slow for large \a j values. -

1175 -

1176 \sa operator-=(), operator+() -

1177 */ -

1178 -

1179 /*! \fn QJsonObject::const_iterator &QJsonObject::const_iterator::operator-=(int j) -

1180 -

1181 Makes the iterator go back by \a j items. If \a j is negative, -

1182 the iterator goes forward. -

1183 -

1184 This operation can be slow for large \a j values. -

1185 -

1186 \sa operator+=(), operator-() -

1187 */ -

1188 -

1189 -

1190 /*! -

1191 \internal -

1192 */ -

1193 void QJsonObject::detach(uint reserve) -

1194 { -

1195 Q_UNUSED(reserve) -

1196 Q_ASSERT(!reserve); -

1197 detach2(reserve); -

1198

}

never executed: end of block

1199 -

1200 bool QJsonObject::detach2(uint reserve) -

1201 { -

1202

if (!d) {

!d	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QMetaType
FALSE	evaluated 6 times by 1 test Evaluated by: tst_QMetaType

2-6

1203

if (reserve >= QJsonPrivate::Value::MaxSize) {

reserve >= QJs...Value::MaxSize	Description
TRUE	never evaluated
FALSE	evaluated 2 times by 1 test Evaluated by: tst_QMetaType

0-2

1204 qWarning("QJson: Document too large to store in data structure"); -

1205

return false;

never executed: return false;

1206 } -

1207 d = new QJsonPrivate::Data(reserve, QJsonValue::Object); -

1208 o = static_cast<QJsonPrivate::Object *>(d->header->root()); -

1209 d->ref.ref(); -

1210

return true;

executed 2 times by 1 test: return true;

Executed by:

tst_QMetaType

1211 } -

1212

if (reserve == 0 && d->ref.load() == 1)

reserve == 0	Description
TRUE	never evaluated
FALSE	evaluated 6 times by 1 test Evaluated by: tst_QMetaType

d->ref.load() == 1	Description
TRUE	never evaluated
FALSE	never evaluated

0-6

1213

return true;

never executed: return true;

1214 -

1215 QJsonPrivate::Data *x = d->clone(o, reserve); -

1216

if (!x)

!x	Description
TRUE	never evaluated
FALSE	evaluated 6 times by 1 test Evaluated by: tst_QMetaType

0-6

1217

return false;

never executed: return false;

1218 x->ref.ref(); -

1219

if (!d->ref.deref())

!d->ref.deref()	Description
TRUE	evaluated 2 times by 1 test Evaluated by: tst_QMetaType
FALSE	evaluated 4 times by 1 test Evaluated by: tst_QMetaType

2-4

1220

delete d;

executed 2 times by 1 test: delete d;

Executed by:

tst_QMetaType

1221 d = x; -

1222 o = static_cast<QJsonPrivate::Object *>(d->header->root()); -

1223

return true;

executed 6 times by 1 test: return true;

Executed by:

tst_QMetaType

1224 } -

1225 -

1226 /*! -

1227 \internal -

1228 */ -

1229 void QJsonObject::compact() -

1230 { -

1231

if (!d || !d->compactionCounter)

!d	Description
TRUE	never evaluated
FALSE	never evaluated

!d->compactionCounter	Description
TRUE	never evaluated
FALSE	never evaluated

1232

return;

never executed: return;

1233 -

1234 detach2(); -

1235 d->compact(); -

1236 o = static_cast<QJsonPrivate::Object *>(d->header->root()); -

1237

}

never executed: end of block

1238 -

1239 /*! -

1240 \internal -

1241 */ -

1242 QString QJsonObject::keyAt(int i) const -

1243 { -

1244 Q_ASSERT(o && i >= 0 && i < (int)o->length); -

1245 -

1246 QJsonPrivate::Entry *e = o->entryAt(i); -

1247

return e->key();

executed 9 times by 1 test: return e->key();

Executed by:

tst_qmakelib

1248 } -

1249 -

1250 /*! -

1251 \internal -

1252 */ -

1253 QJsonValue QJsonObject::valueAt(int i) const -

1254 { -

1255

if (!o || i < 0 || i >= (int)o->length)

!o	Description
TRUE	never evaluated
FALSE	evaluated 9 times by 1 test Evaluated by: tst_qmakelib

i < 0	Description
TRUE	never evaluated
FALSE	evaluated 9 times by 1 test Evaluated by: tst_qmakelib

i >= (int)o->length	Description
TRUE	never evaluated
FALSE	evaluated 9 times by 1 test Evaluated by: tst_qmakelib

0-9

1256

return QJsonValue(QJsonValue::Undefined);

never executed: return QJsonValue(QJsonValue::Undefined);

1257 -

1258 QJsonPrivate::Entry *e = o->entryAt(i); -

1259

return QJsonValue(d, o, e->value);

executed 9 times by 1 test: return QJsonValue(d, o, e->value);

Executed by:

tst_qmakelib

1260 } -

1261 -

1262 /*! -

1263 \internal -

1264 */ -

1265 void QJsonObject::setValueAt(int i, const QJsonValue &val) -

1266 { -

1267 Q_ASSERT(o && i >= 0 && i < (int)o->length); -

1268 -

1269 QJsonPrivate::Entry *e = o->entryAt(i); -

1270 insert(e->key(), val); -

1271

}

never executed: end of block

1272 -

1273 #if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY) -

1274 QDebug operator<<(QDebug dbg, const QJsonObject &o) -

1275 { -

1276 QDebugStateSaver saver(dbg); -

1277

if (!o.o) {

!o.o	Description
TRUE	evaluated 1 time by 1 test Evaluated by: tst_QVariant
FALSE	never evaluated

0-1

1278 dbg << "QJsonObject()"; -

1279

return dbg;

executed 1 time by 1 test: return dbg;

Executed by:

tst_QVariant

1280 } -

1281 QByteArray json; -

1282 QJsonPrivate::Writer::objectToJson(o.o, json, 0, true); -

1283 dbg.nospace() << "QJsonObject(" -

1284 << json.constData() // print as utf-8 string without extra quotation marks -

1285 << ")"; -

1286

return dbg;

never executed: return dbg;

1287 } -

1288 #endif -

1289 -

1290 QT_END_NAMESPACE -

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