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qjsondocument.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
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-
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21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
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26** Alternatively, this file may be used under the terms of the GNU-
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35**-
36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include <qjsondocument.h>-
41#include <qjsonobject.h>-
42#include <qjsonvalue.h>-
43#include <qjsonarray.h>-
44#include <qstringlist.h>-
45#include <qvariant.h>-
46#include <qdebug.h>-
47#include "qjsonwriter_p.h"-
48#include "qjsonparser_p.h"-
49#include "qjson_p.h"-
50-
51QT_BEGIN_NAMESPACE-
52-
53/*! \class QJsonDocument-
54 \inmodule QtCore-
55 \ingroup json-
56 \ingroup shared-
57 \reentrant-
58 \since 5.0-
59-
60 \brief The QJsonDocument class provides a way to read and write JSON documents.-
61-
62 QJsonDocument is a class that wraps a complete JSON document and can read and-
63 write this document both from a UTF-8 encoded text based representation as well-
64 as Qt's own binary format.-
65-
66 A JSON document can be converted from its text-based representation to a QJsonDocument-
67 using QJsonDocument::fromJson(). toJson() converts it back to text. The parser is very-
68 fast and efficient and converts the JSON to the binary representation used by Qt.-
69-
70 Validity of the parsed document can be queried with !isNull()-
71-
72 A document can be queried as to whether it contains an array or an object using isArray()-
73 and isObject(). The array or object contained in the document can be retrieved using-
74 array() or object() and then read or manipulated.-
75-
76 A document can also be created from a stored binary representation using fromBinaryData() or-
77 fromRawData().-
78-
79 \sa {JSON Support in Qt}, {JSON Save Game Example}-
80*/-
81-
82/*!-
83 * Constructs an empty and invalid document.-
84 */-
85QJsonDocument::QJsonDocument()-
86 : d(0)-
87{-
88}
executed 331 times by 5 tests: end of block
Executed by:
  • tst_QMetaType
  • tst_QNetworkCookieJar
  • tst_QVariant
  • tst_qdbuscpp2xml - unknown status
  • tst_qmakelib
331
89-
90/*!-
91 * Creates a QJsonDocument from \a object.-
92 */-
93QJsonDocument::QJsonDocument(const QJsonObject &object)-
94 : d(0)-
95{-
96 setObject(object);-
97}
never executed: end of block
0
98-
99/*!-
100 * Constructs a QJsonDocument from \a array.-
101 */-
102QJsonDocument::QJsonDocument(const QJsonArray &array)-
103 : d(0)-
104{-
105 setArray(array);-
106}
never executed: end of block
0
107-
108/*!-
109 \internal-
110 */-
111QJsonDocument::QJsonDocument(QJsonPrivate::Data *data)-
112 : d(data)-
113{-
114 Q_ASSERT(d);-
115 d->ref.ref();-
116}
executed 711 times by 114 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
  • ...
711
117-
118/*!-
119 Deletes the document.-
120-
121 Binary data set with fromRawData is not freed.-
122 */-
123QJsonDocument::~QJsonDocument()-
124{-
125 if (d && !d->ref.deref())
dDescription
TRUEevaluated 712 times by 114 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
  • ...
FALSEevaluated 495 times by 4 tests
Evaluated by:
  • tst_QMetaType
  • tst_QVariant
  • tst_qdbuscpp2xml - unknown status
  • tst_qmakelib
!d->ref.deref()Description
TRUEevaluated 7 times by 3 tests
Evaluated by:
  • tst_QNetworkCookieJar
  • tst_QOpenGlConfig
  • tst_qmakelib
FALSEevaluated 705 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_QFactoryLoader
  • tst_QFileDialog2
  • tst_QFileIconProvider
  • tst_QFileSystemModel
  • tst_QFiledialog
  • tst_QFocusEvent
  • ...
7-712
126 delete d;
executed 7 times by 3 tests: delete d;
Executed by:
  • tst_QNetworkCookieJar
  • tst_QOpenGlConfig
  • tst_qmakelib
7
127}
executed 1207 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
  • ...
1207
128-
129/*!-
130 * Creates a copy of the \a other document.-
131 */-
132QJsonDocument::QJsonDocument(const QJsonDocument &other)-
133{-
134 d = other.d;-
135 if (d)
dDescription
TRUEnever evaluated
FALSEevaluated 165 times by 3 tests
Evaluated by:
  • tst_QMetaType
  • tst_QVariant
  • tst_qdbuscpp2xml - unknown status
0-165
136 d->ref.ref();
never executed: d->ref.ref();
0
137}
executed 165 times by 3 tests: end of block
Executed by:
  • tst_QMetaType
  • tst_QVariant
  • tst_qdbuscpp2xml - unknown status
165
138-
139/*!-
140 * Assigns the \a other document to this QJsonDocument.-
141 * Returns a reference to this object.-
142 */-
143QJsonDocument &QJsonDocument::operator =(const QJsonDocument &other)-
144{-
145 if (d != other.d) {
d != other.dDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QVariant
1
146 if (d && !d->ref.deref())
dDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
!d->ref.deref()Description
TRUEnever evaluated
FALSEnever evaluated
0-1
147 delete d;
never executed: delete d;
0
148 d = other.d;-
149 if (d)
dDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
FALSEnever evaluated
0-1
150 d->ref.ref();
executed 1 time by 1 test: d->ref.ref();
Executed by:
  • tst_QNetworkCookieJar
1
151 }
executed 1 time by 1 test: end of block
Executed by:
  • tst_QNetworkCookieJar
1
152-
153 return *this;
executed 2 times by 2 tests: return *this;
Executed by:
  • tst_QNetworkCookieJar
  • tst_QVariant
2
154}-
155-
156/*! \enum QJsonDocument::DataValidation-
157-
158 This value is used to tell QJsonDocument whether to validate the binary data-
159 when converting to a QJsonDocument using fromBinaryData() or fromRawData().-
160-
161 \value Validate Validate the data before using it. This is the default.-
162 \value BypassValidation Bypasses data validation. Only use if you received the-
163 data from a trusted place and know it's valid, as using of invalid data can crash-
164 the application.-
165 */-
166-
167/*!-
168 Creates a QJsonDocument that uses the first \a size bytes from-
169 \a data. It assumes \a data contains a binary encoded JSON document.-
170 The created document does not take ownership of \a data and the caller-
171 has to guarantee that \a data will not be deleted or modified as long as-
172 any QJsonDocument, QJsonObject or QJsonArray still references the data.-
173-
174 \a data has to be aligned to a 4 byte boundary.-
175-
176 \a validation decides whether the data is checked for validity before being used.-
177 By default the data is validated. If the \a data is not valid, the method returns-
178 a null document.-
179-
180 Returns a QJsonDocument representing the data.-
181-
182 \sa rawData(), fromBinaryData(), isNull(), DataValidation-
183 */-
184QJsonDocument QJsonDocument::fromRawData(const char *data, int size, DataValidation validation)-
185{-
186 if (quintptr(data) & 3) {
quintptr(data) & 3Description
TRUEnever evaluated
FALSEnever evaluated
0
187 qWarning("QJsonDocument::fromRawData: data has to have 4 byte alignment");-
188 return QJsonDocument();
never executed: return QJsonDocument();
0
189 }-
190-
191 QJsonPrivate::Data *d = new QJsonPrivate::Data((char *)data, size);-
192 d->ownsData = false;-
193-
194 if (validation != BypassValidation && !d->valid()) {
validation != BypassValidationDescription
TRUEnever evaluated
FALSEnever evaluated
!d->valid()Description
TRUEnever evaluated
FALSEnever evaluated
0
195 delete d;-
196 return QJsonDocument();
never executed: return QJsonDocument();
0
197 }-
198-
199 return QJsonDocument(d);
never executed: return QJsonDocument(d);
0
200}-
201-
202/*!-
203 Returns the raw binary representation of the data-
204 \a size will contain the size of the returned data.-
205-
206 This method is useful to e.g. stream the JSON document-
207 in it's binary form to a file.-
208 */-
209const char *QJsonDocument::rawData(int *size) const-
210{-
211 if (!d) {
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
212 *size = 0;-
213 return 0;
never executed: return 0;
0
214 }-
215 *size = d->alloc;-
216 return d->rawData;
never executed: return d->rawData;
0
217}-
218-
219/*!-
220 Creates a QJsonDocument from \a data.-
221-
222 \a validation decides whether the data is checked for validity before being used.-
223 By default the data is validated. If the \a data is not valid, the method returns-
224 a null document.-
225-
226 \sa toBinaryData(), fromRawData(), isNull(), DataValidation-
227 */-
228QJsonDocument QJsonDocument::fromBinaryData(const QByteArray &data, DataValidation validation)-
229{-
230 if (data.size() < (int)(sizeof(QJsonPrivate::Header) + sizeof(QJsonPrivate::Base)))
data.size() < ...rivate::Base))Description
TRUEnever evaluated
FALSEevaluated 704 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
  • ...
0-704
231 return QJsonDocument();
never executed: return QJsonDocument();
0
232-
233 QJsonPrivate::Header h;-
234 memcpy(&h, data.constData(), sizeof(QJsonPrivate::Header));-
235 QJsonPrivate::Base root;-
236 memcpy(&root, data.constData() + sizeof(QJsonPrivate::Header), sizeof(QJsonPrivate::Base));-
237-
238 // do basic checks here, so we don't try to allocate more memory than we can.-
239 if (h.tag != QJsonDocument::BinaryFormatTag || h.version != 1u ||
h.tag != QJson...inaryFormatTagDescription
TRUEnever evaluated
FALSEevaluated 704 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
  • ...
h.version != 1uDescription
TRUEnever evaluated
FALSEevaluated 704 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
  • ...
0-704
240 sizeof(QJsonPrivate::Header) + root.size > (uint)data.size())
sizeof(QJsonPr...nt)data.size()Description
TRUEnever evaluated
FALSEevaluated 704 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
  • ...
0-704
241 return QJsonDocument();
never executed: return QJsonDocument();
0
242-
243 const uint size = sizeof(QJsonPrivate::Header) + root.size;-
244 char *raw = (char *)malloc(size);-
245 if (!raw)
!rawDescription
TRUEnever evaluated
FALSEevaluated 704 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
  • ...
0-704
246 return QJsonDocument();
never executed: return QJsonDocument();
0
247-
248 memcpy(raw, data.constData(), size);-
249 QJsonPrivate::Data *d = new QJsonPrivate::Data(raw, size);-
250-
251 if (validation != BypassValidation && !d->valid()) {
validation != BypassValidationDescription
TRUEevaluated 704 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
  • ...
FALSEnever evaluated
!d->valid()Description
TRUEnever evaluated
FALSEevaluated 704 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
  • ...
0-704
252 delete d;-
253 return QJsonDocument();
never executed: return QJsonDocument();
0
254 }-
255-
256 return QJsonDocument(d);
executed 704 times by 111 tests: return QJsonDocument(d);
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
  • ...
704
257}-
258-
259/*!-
260 Creates a QJsonDocument from the QVariant \a variant.-
261-
262 If the \a variant contains any other type than a QVariantMap,-
263 QVariantList or QStringList, the returned document is invalid.-
264-
265 \sa toVariant()-
266 */-
267QJsonDocument QJsonDocument::fromVariant(const QVariant &variant)-
268{-
269 QJsonDocument doc;-
270 if (variant.type() == QVariant::Map) {
variant.type()... QVariant::MapDescription
TRUEnever evaluated
FALSEnever evaluated
0
271 doc.setObject(QJsonObject::fromVariantMap(variant.toMap()));-
272 } else if (variant.type() == QVariant::List) {
never executed: end of block
variant.type()...QVariant::ListDescription
TRUEnever evaluated
FALSEnever evaluated
0
273 doc.setArray(QJsonArray::fromVariantList(variant.toList()));-
274 } else if (variant.type() == QVariant::StringList) {
never executed: end of block
variant.type()...nt::StringListDescription
TRUEnever evaluated
FALSEnever evaluated
0
275 doc.setArray(QJsonArray::fromStringList(variant.toStringList()));-
276 }
never executed: end of block
0
277 return doc;
never executed: return doc;
0
278}-
279-
280/*!-
281 Returns a QVariant representing the Json document.-
282-
283 The returned variant will be a QVariantList if the document is-
284 a QJsonArray and a QVariantMap if the document is a QJsonObject.-
285-
286 \sa fromVariant(), QJsonValue::toVariant()-
287 */-
288QVariant QJsonDocument::toVariant() const-
289{-
290 if (!d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
291 return QVariant();
never executed: return QVariant();
0
292-
293 if (d->header->root()->isArray())
d->header->root()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
294 return QJsonArray(d, static_cast<QJsonPrivate::Array *>(d->header->root())).toVariantList();
never executed: return QJsonArray(d, static_cast<QJsonPrivate::Array *>(d->header->root())).toVariantList();
0
295 else-
296 return QJsonObject(d, static_cast<QJsonPrivate::Object *>(d->header->root())).toVariantMap();
never executed: return QJsonObject(d, static_cast<QJsonPrivate::Object *>(d->header->root())).toVariantMap();
0
297}-
298-
299/*!-
300 Converts the QJsonDocument to a UTF-8 encoded JSON document.-
301-
302 \sa fromJson()-
303 */-
304#ifndef QT_JSON_READONLY-
305QByteArray QJsonDocument::toJson() const-
306{-
307 return toJson(Indented);
never executed: return toJson(Indented);
0
308}-
309#endif-
310-
311/*!-
312 \enum QJsonDocument::JsonFormat-
313-
314 This value defines the format of the JSON byte array produced-
315 when converting to a QJsonDocument using toJson().-
316-
317 \value Indented Defines human readable output as follows:-
318 \code-
319 {-
320 "Array": [-
321 true,-
322 999,-
323 "string"-
324 ],-
325 "Key": "Value",-
326 "null": null-
327 }-
328 \endcode-
329-
330 \value Compact Defines a compact output as follows:-
331 \code-
332 {"Array":[true,999,"string"],"Key":"Value","null":null}-
333 \endcode-
334 */-
335-
336/*!-
337 Converts the QJsonDocument to a UTF-8 encoded JSON document in the provided \a format.-
338-
339 \sa fromJson(), JsonFormat-
340 */-
341#ifndef QT_JSON_READONLY-
342QByteArray QJsonDocument::toJson(JsonFormat format) const-
343{-
344 if (!d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
345 return QByteArray();
never executed: return QByteArray();
0
346-
347 QByteArray json;-
348-
349 if (d->header->root()->isArray())
d->header->root()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
350 QJsonPrivate::Writer::arrayToJson(static_cast<QJsonPrivate::Array *>(d->header->root()), json, 0, (format == Compact));
never executed: QJsonPrivate::Writer::arrayToJson(static_cast<QJsonPrivate::Array *>(d->header->root()), json, 0, (format == Compact));
0
351 else-
352 QJsonPrivate::Writer::objectToJson(static_cast<QJsonPrivate::Object *>(d->header->root()), json, 0, (format == Compact));
never executed: QJsonPrivate::Writer::objectToJson(static_cast<QJsonPrivate::Object *>(d->header->root()), json, 0, (format == Compact));
0
353-
354 return json;
never executed: return json;
0
355}-
356#endif-
357-
358/*!-
359 Parses \a json as a UTF-8 encoded JSON document, and creates a QJsonDocument-
360 from it.-
361-
362 Returns a valid (non-null) QJsonDocument if the parsing succeeds. If it fails,-
363 the returned document will be null, and the optional \a error variable will contain-
364 further details about the error.-
365-
366 \sa toJson(), QJsonParseError, isNull()-
367 */-
368QJsonDocument QJsonDocument::fromJson(const QByteArray &json, QJsonParseError *error)-
369{-
370 QJsonPrivate::Parser parser(json.constData(), json.length());-
371 return parser.parse(error);
executed 10 times by 4 tests: return parser.parse(error);
Executed by:
  • tst_QMetaType
  • tst_QNetworkCookieJar
  • tst_QOpenGlConfig
  • tst_qmakelib
10
372}-
373-
374/*!-
375 Returns \c true if the document doesn't contain any data.-
376 */-
377bool QJsonDocument::isEmpty() const-
378{-
379 if (!d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
380 return true;
never executed: return true;
0
381-
382 return false;
never executed: return false;
0
383}-
384-
385/*!-
386 Returns a binary representation of the document.-
387-
388 The binary representation is also the native format used internally in Qt,-
389 and is very efficient and fast to convert to and from.-
390-
391 The binary format can be stored on disk and interchanged with other applications-
392 or computers. fromBinaryData() can be used to convert it back into a-
393 JSON document.-
394-
395 \sa fromBinaryData()-
396 */-
397QByteArray QJsonDocument::toBinaryData() const-
398{-
399 if (!d || !d->rawData)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
!d->rawDataDescription
TRUEnever evaluated
FALSEnever evaluated
0
400 return QByteArray();
never executed: return QByteArray();
0
401-
402 return QByteArray(d->rawData, d->header->root()->size + sizeof(QJsonPrivate::Header));
never executed: return QByteArray(d->rawData, d->header->root()->size + sizeof(QJsonPrivate::Header));
0
403}-
404-
405/*!-
406 Returns \c true if the document contains an array.-
407-
408 \sa array(), isObject()-
409 */-
410bool QJsonDocument::isArray() const-
411{-
412 if (!d)
!dDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_QNetworkCookieJar
  • tst_qmakelib
0-2
413 return false;
never executed: return false;
0
414-
415 QJsonPrivate::Header *h = (QJsonPrivate::Header *)d->rawData;-
416 return h->root()->isArray();
executed 2 times by 2 tests: return h->root()->isArray();
Executed by:
  • tst_QNetworkCookieJar
  • tst_qmakelib
2
417}-
418-
419/*!-
420 Returns \c true if the document contains an object.-
421-
422 \sa object(), isArray()-
423 */-
424bool QJsonDocument::isObject() const-
425{-
426 if (!d)
!dDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_qmakelib
0-1
427 return false;
never executed: return false;
0
428-
429 QJsonPrivate::Header *h = (QJsonPrivate::Header *)d->rawData;-
430 return h->root()->isObject();
executed 1 time by 1 test: return h->root()->isObject();
Executed by:
  • tst_qmakelib
1
431}-
432-
433/*!-
434 Returns the QJsonObject contained in the document.-
435-
436 Returns an empty object if the document contains an-
437 array.-
438-
439 \sa isObject(), array(), setObject()-
440 */-
441QJsonObject QJsonDocument::object() const-
442{-
443 if (d) {
dDescription
TRUEevaluated 710 times by 113 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
  • ...
FALSEnever evaluated
0-710
444 QJsonPrivate::Base *b = d->header->root();-
445 if (b->isObject())
b->isObject()Description
TRUEevaluated 710 times by 113 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
  • ...
FALSEnever evaluated
0-710
446 return QJsonObject(d, static_cast<QJsonPrivate::Object *>(b));
executed 710 times by 113 tests: return QJsonObject(d, static_cast<QJsonPrivate::Object *>(b));
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
  • ...
710
447 }
never executed: end of block
0
448 return QJsonObject();
never executed: return QJsonObject();
0
449}-
450-
451/*!-
452 Returns the QJsonArray contained in the document.-
453-
454 Returns an empty array if the document contains an-
455 object.-
456-
457 \sa isArray(), object(), setArray()-
458 */-
459QJsonArray QJsonDocument::array() const-
460{-
461 if (d) {
dDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
FALSEnever evaluated
0-1
462 QJsonPrivate::Base *b = d->header->root();-
463 if (b->isArray())
b->isArray()Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
FALSEnever evaluated
0-1
464 return QJsonArray(d, static_cast<QJsonPrivate::Array *>(b));
executed 1 time by 1 test: return QJsonArray(d, static_cast<QJsonPrivate::Array *>(b));
Executed by:
  • tst_QNetworkCookieJar
1
465 }
never executed: end of block
0
466 return QJsonArray();
never executed: return QJsonArray();
0
467}-
468-
469/*!-
470 Sets \a object as the main object of this document.-
471-
472 \sa setArray(), object()-
473 */-
474void QJsonDocument::setObject(const QJsonObject &object)-
475{-
476 if (d && !d->ref.deref())
dDescription
TRUEnever evaluated
FALSEnever evaluated
!d->ref.deref()Description
TRUEnever evaluated
FALSEnever evaluated
0
477 delete d;
never executed: delete d;
0
478-
479 d = object.d;-
480-
481 if (!d) {
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
482 d = new QJsonPrivate::Data(0, QJsonValue::Object);-
483 } else if (d->compactionCounter || object.o != d->header->root()) {
never executed: end of block
d->compactionCounterDescription
TRUEnever evaluated
FALSEnever evaluated
object.o != d->header->root()Description
TRUEnever evaluated
FALSEnever evaluated
0
484 QJsonObject o(object);-
485 if (d->compactionCounter)
d->compactionCounterDescription
TRUEnever evaluated
FALSEnever evaluated
0
486 o.compact();
never executed: o.compact();
0
487 else-
488 o.detach2();
never executed: o.detach2();
0
489 d = o.d;-
490 d->ref.ref();-
491 return;
never executed: return;
0
492 }-
493 d->ref.ref();-
494}
never executed: end of block
0
495-
496/*!-
497 Sets \a array as the main object of this document.-
498-
499 \sa setObject(), array()-
500 */-
501void QJsonDocument::setArray(const QJsonArray &array)-
502{-
503 if (d && !d->ref.deref())
dDescription
TRUEnever evaluated
FALSEnever evaluated
!d->ref.deref()Description
TRUEnever evaluated
FALSEnever evaluated
0
504 delete d;
never executed: delete d;
0
505-
506 d = array.d;-
507-
508 if (!d) {
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
509 d = new QJsonPrivate::Data(0, QJsonValue::Array);-
510 } else if (d->compactionCounter || array.a != d->header->root()) {
never executed: end of block
d->compactionCounterDescription
TRUEnever evaluated
FALSEnever evaluated
array.a != d->header->root()Description
TRUEnever evaluated
FALSEnever evaluated
0
511 QJsonArray a(array);-
512 if (d->compactionCounter)
d->compactionCounterDescription
TRUEnever evaluated
FALSEnever evaluated
0
513 a.compact();
never executed: a.compact();
0
514 else-
515 a.detach2();
never executed: a.detach2();
0
516 d = a.d;-
517 d->ref.ref();-
518 return;
never executed: return;
0
519 }-
520 d->ref.ref();-
521}
never executed: end of block
0
522-
523/*!-
524 Returns \c true if the \a other document is equal to this document.-
525 */-
526bool QJsonDocument::operator==(const QJsonDocument &other) const-
527{-
528 if (d == other.d)
d == other.dDescription
TRUEevaluated 8 times by 1 test
Evaluated by:
  • tst_QMetaType
FALSEnever evaluated
0-8
529 return true;
executed 8 times by 1 test: return true;
Executed by:
  • tst_QMetaType
8
530-
531 if (!d || !other.d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
!other.dDescription
TRUEnever evaluated
FALSEnever evaluated
0
532 return false;
never executed: return false;
0
533-
534 if (d->header->root()->isArray() != other.d->header->root()->isArray())
d->header->roo...t()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
535 return false;
never executed: return false;
0
536-
537 if (d->header->root()->isObject())
d->header->root()->isObject()Description
TRUEnever evaluated
FALSEnever evaluated
0
538 return QJsonObject(d, static_cast<QJsonPrivate::Object *>(d->header->root()))
never executed: return QJsonObject(d, static_cast<QJsonPrivate::Object *>(d->header->root())) == QJsonObject(other.d, static_cast<QJsonPrivate::Object *>(other.d->header->root()));
0
539 == QJsonObject(other.d, static_cast<QJsonPrivate::Object *>(other.d->header->root()));
never executed: return QJsonObject(d, static_cast<QJsonPrivate::Object *>(d->header->root())) == QJsonObject(other.d, static_cast<QJsonPrivate::Object *>(other.d->header->root()));
0
540 else-
541 return QJsonArray(d, static_cast<QJsonPrivate::Array *>(d->header->root()))
never executed: return QJsonArray(d, static_cast<QJsonPrivate::Array *>(d->header->root())) == QJsonArray(other.d, static_cast<QJsonPrivate::Array *>(other.d->header->root()));
0
542 == QJsonArray(other.d, static_cast<QJsonPrivate::Array *>(other.d->header->root()));
never executed: return QJsonArray(d, static_cast<QJsonPrivate::Array *>(d->header->root())) == QJsonArray(other.d, static_cast<QJsonPrivate::Array *>(other.d->header->root()));
0
543}-
544-
545/*!-
546 \fn bool QJsonDocument::operator!=(const QJsonDocument &other) const-
547-
548 returns \c true if \a other is not equal to this document-
549 */-
550-
551/*!-
552 returns \c true if this document is null.-
553-
554 Null documents are documents created through the default constructor.-
555-
556 Documents created from UTF-8 encoded text or the binary format are-
557 validated during parsing. If validation fails, the returned document-
558 will also be null.-
559 */-
560bool QJsonDocument::isNull() const-
561{-
562 return (d == 0);
executed 686 times by 114 tests: return (d == 0);
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
  • ...
686
563}-
564-
565#if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY)-
566QDebug operator<<(QDebug dbg, const QJsonDocument &o)-
567{-
568 QDebugStateSaver saver(dbg);-
569 if (!o.d) {
!o.dDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QVariant
FALSEnever evaluated
0-1
570 dbg << "QJsonDocument()";-
571 return dbg;
executed 1 time by 1 test: return dbg;
Executed by:
  • tst_QVariant
1
572 }-
573 QByteArray json;-
574 if (o.d->header->root()->isArray())
o.d->header->root()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
575 QJsonPrivate::Writer::arrayToJson(static_cast<QJsonPrivate::Array *>(o.d->header->root()), json, 0, true);
never executed: QJsonPrivate::Writer::arrayToJson(static_cast<QJsonPrivate::Array *>(o.d->header->root()), json, 0, true);
0
576 else-
577 QJsonPrivate::Writer::objectToJson(static_cast<QJsonPrivate::Object *>(o.d->header->root()), json, 0, true);
never executed: QJsonPrivate::Writer::objectToJson(static_cast<QJsonPrivate::Object *>(o.d->header->root()), json, 0, true);
0
578 dbg.nospace() << "QJsonDocument("-
579 << json.constData() // print as utf-8 string without extra quotation marks-
580 << ')';-
581 return dbg;
never executed: return dbg;
0
582}-
583#endif-
584-
585QT_END_NAMESPACE-
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