qjsondocument.cpp

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1/****************************************************************************-
2**-
3** Copyright (C) 2015 The Qt Company Ltd.-
4** Contact: http://www.qt.io/licensing/-
5**-
6** This file is part of the QtCore module of the Qt Toolkit.-
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32****************************************************************************/-
33-
34#include <qjsondocument.h>-
35#include <qjsonobject.h>-
36#include <qjsonvalue.h>-
37#include <qjsonarray.h>-
38#include <qstringlist.h>-
39#include <qvariant.h>-
40#include <qdebug.h>-
41#include "qjsonwriter_p.h"-
42#include "qjsonparser_p.h"-
43#include "qjson_p.h"-
44-
45QT_BEGIN_NAMESPACE-
46-
47/*! \class QJsonDocument-
48 \inmodule QtCore-
49 \ingroup json-
50 \ingroup shared-
51 \reentrant-
52 \since 5.0-
53-
54 \brief The QJsonDocument class provides a way to read and write JSON documents.-
55-
56 QJsonDocument is a class that wraps a complete JSON document and can read and-
57 write this document both from a UTF-8 encoded text based representation as well-
58 as Qt's own binary format.-
59-
60 A JSON document can be converted from its text-based representation to a QJsonDocument-
61 using QJsonDocument::fromJson(). toJson() converts it back to text. The parser is very-
62 fast and efficient and converts the JSON to the binary representation used by Qt.-
63-
64 Validity of the parsed document can be queried with !isNull()-
65-
66 A document can be queried as to whether it contains an array or an object using isArray()-
67 and isObject(). The array or object contained in the document can be retrieved using-
68 array() or object() and then read or manipulated.-
69-
70 A document can also be created from a stored binary representation using fromBinaryData() or-
71 fromRawData().-
72-
73 \sa {JSON Support in Qt}, {JSON Save Game Example}-
74*/-
75-
76/*!-
77 * Constructs an empty and invalid document.-
78 */-
79QJsonDocument::QJsonDocument()-
80 : d(0)-
81{-
82}
executed 331 times by 5 tests: end of block
Executed by:
  • tst_QMetaType
  • tst_QNetworkCookieJar
  • tst_QVariant
  • tst_qdbuscpp2xml - unknown status
  • tst_qmakelib
331
83-
84/*!-
85 * Creates a QJsonDocument from \a object.-
86 */-
87QJsonDocument::QJsonDocument(const QJsonObject &object)-
88 : d(0)-
89{-
90 setObject(object);-
91}
never executed: end of block
0
92-
93/*!-
94 * Constructs a QJsonDocument from \a array.-
95 */-
96QJsonDocument::QJsonDocument(const QJsonArray &array)-
97 : d(0)-
98{-
99 setArray(array);-
100}
never executed: end of block
0
101-
102/*!-
103 \internal-
104 */-
105QJsonDocument::QJsonDocument(QJsonPrivate::Data *data)-
106 : d(data)-
107{-
108 Q_ASSERT(d);-
109 d->ref.ref();-
110}
executed 686 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_QFactoryLoader
  • tst_QFileDialog2
  • tst_QFileIconProvider
  • tst_QFileSystemModel
  • tst_QFiledialog
  • tst_QFocusEvent
  • ...
686
111-
112/*!-
113 Deletes the document.-
114-
115 Binary data set with fromRawData is not freed.-
116 */-
117QJsonDocument::~QJsonDocument()-
118{-
119 if (d && !d->ref.deref())
dDescription
TRUEevaluated 687 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
  • ...
FALSEevaluated 416 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 680 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
  • ...
7-687
120 delete d;
executed 7 times by 3 tests: delete d;
Executed by:
  • tst_QNetworkCookieJar
  • tst_QOpenGlConfig
  • tst_qmakelib
7
121}
executed 1103 times by 116 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
  • ...
1103
122-
123/*!-
124 * Creates a copy of the \a other document.-
125 */-
126QJsonDocument::QJsonDocument(const QJsonDocument &other)-
127{-
128 d = other.d;-
129 if (d)
dDescription
TRUEnever evaluated
FALSEevaluated 86 times by 3 tests
Evaluated by:
  • tst_QMetaType
  • tst_QVariant
  • tst_qdbuscpp2xml - unknown status
0-86
130 d->ref.ref();
never executed: d->ref.ref();
0
131}
executed 86 times by 3 tests: end of block
Executed by:
  • tst_QMetaType
  • tst_QVariant
  • tst_qdbuscpp2xml - unknown status
86
132-
133/*!-
134 * Assigns the \a other document to this QJsonDocument.-
135 * Returns a reference to this object.-
136 */-
137QJsonDocument &QJsonDocument::operator =(const QJsonDocument &other)-
138{-
139 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
140 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
141 delete d;
never executed: delete d;
0
142 d = other.d;-
143 if (d)
dDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
FALSEnever evaluated
0-1
144 d->ref.ref();
executed 1 time by 1 test: d->ref.ref();
Executed by:
  • tst_QNetworkCookieJar
1
145 }
executed 1 time by 1 test: end of block
Executed by:
  • tst_QNetworkCookieJar
1
146-
147 return *this;
executed 2 times by 2 tests: return *this;
Executed by:
  • tst_QNetworkCookieJar
  • tst_QVariant
2
148}-
149-
150/*! \enum QJsonDocument::DataValidation-
151-
152 This value is used to tell QJsonDocument whether to validate the binary data-
153 when converting to a QJsonDocument using fromBinaryData() or fromRawData().-
154-
155 \value Validate Validate the data before using it. This is the default.-
156 \value BypassValidation Bypasses data validation. Only use if you received the-
157 data from a trusted place and know it's valid, as using of invalid data can crash-
158 the application.-
159 */-
160-
161/*!-
162 Creates a QJsonDocument that uses the first \a size bytes from-
163 \a data. It assumes \a data contains a binary encoded JSON document.-
164 The created document does not take ownership of \a data and the caller-
165 has to guarantee that \a data will not be deleted or modified as long as-
166 any QJsonDocument, QJsonObject or QJsonArray still references the data.-
167-
168 \a data has to be aligned to a 4 byte boundary.-
169-
170 \a validation decides whether the data is checked for validity before being used.-
171 By default the data is validated. If the \a data is not valid, the method returns-
172 a null document.-
173-
174 Returns a QJsonDocument representing the data.-
175-
176 \sa rawData(), fromBinaryData(), isNull(), DataValidation-
177 */-
178QJsonDocument QJsonDocument::fromRawData(const char *data, int size, DataValidation validation)-
179{-
180 if (quintptr(data) & 3) {
quintptr(data) & 3Description
TRUEnever evaluated
FALSEnever evaluated
0
181 qWarning() <<"QJsonDocument::fromRawData: data has to have 4 byte alignment";-
182 return QJsonDocument();
never executed: return QJsonDocument();
0
183 }-
184-
185 if (size < (int)(sizeof(QJsonPrivate::Header) + sizeof(QJsonPrivate::Base)))
size < (int)(s...rivate::Base))Description
TRUEnever evaluated
FALSEnever evaluated
0
186 return QJsonDocument();
never executed: return QJsonDocument();
0
187-
188 QJsonPrivate::Data *d = new QJsonPrivate::Data((char *)data, size);-
189 d->ownsData = false;-
190-
191 if (validation != BypassValidation && !d->valid()) {
validation != BypassValidationDescription
TRUEnever evaluated
FALSEnever evaluated
!d->valid()Description
TRUEnever evaluated
FALSEnever evaluated
0
192 delete d;-
193 return QJsonDocument();
never executed: return QJsonDocument();
0
194 }-
195-
196 return QJsonDocument(d);
never executed: return QJsonDocument(d);
0
197}-
198-
199/*!-
200 Returns the raw binary representation of the data-
201 \a size will contain the size of the returned data.-
202-
203 This method is useful to e.g. stream the JSON document-
204 in it's binary form to a file.-
205 */-
206const char *QJsonDocument::rawData(int *size) const-
207{-
208 if (!d) {
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
209 *size = 0;-
210 return 0;
never executed: return 0;
0
211 }-
212 *size = d->alloc;-
213 return d->rawData;
never executed: return d->rawData;
0
214}-
215-
216/*!-
217 Creates a QJsonDocument from \a data.-
218-
219 \a validation decides whether the data is checked for validity before being used.-
220 By default the data is validated. If the \a data is not valid, the method returns-
221 a null document.-
222-
223 \sa toBinaryData(), fromRawData(), isNull(), DataValidation-
224 */-
225QJsonDocument QJsonDocument::fromBinaryData(const QByteArray &data, DataValidation validation)-
226{-
227 if (data.size() < (int)(sizeof(QJsonPrivate::Header) + sizeof(QJsonPrivate::Base)))
data.size() < ...rivate::Base))Description
TRUEnever evaluated
FALSEevaluated 679 times by 110 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
  • ...
0-679
228 return QJsonDocument();
never executed: return QJsonDocument();
0
229-
230 QJsonPrivate::Header h;-
231 memcpy(&h, data.constData(), sizeof(QJsonPrivate::Header));-
232 QJsonPrivate::Base root;-
233 memcpy(&root, data.constData() + sizeof(QJsonPrivate::Header), sizeof(QJsonPrivate::Base));-
234-
235 // do basic checks here, so we don't try to allocate more memory than we can.-
236 if (h.tag != QJsonDocument::BinaryFormatTag || h.version != 1u ||
h.tag != QJson...inaryFormatTagDescription
TRUEnever evaluated
FALSEevaluated 679 times by 110 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 679 times by 110 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
  • ...
0-679
237 sizeof(QJsonPrivate::Header) + root.size > (uint)data.size())
sizeof(QJsonPr...nt)data.size()Description
TRUEnever evaluated
FALSEevaluated 679 times by 110 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
  • ...
0-679
238 return QJsonDocument();
never executed: return QJsonDocument();
0
239-
240 const uint size = sizeof(QJsonPrivate::Header) + root.size;-
241 char *raw = (char *)malloc(size);-
242 if (!raw)
!rawDescription
TRUEnever evaluated
FALSEevaluated 679 times by 110 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
  • ...
0-679
243 return QJsonDocument();
never executed: return QJsonDocument();
0
244-
245 memcpy(raw, data.constData(), size);-
246 QJsonPrivate::Data *d = new QJsonPrivate::Data(raw, size);-
247-
248 if (validation != BypassValidation && !d->valid()) {
validation != BypassValidationDescription
TRUEevaluated 679 times by 110 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 679 times by 110 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
  • ...
0-679
249 delete d;-
250 return QJsonDocument();
never executed: return QJsonDocument();
0
251 }-
252-
253 return QJsonDocument(d);
executed 679 times by 110 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
  • ...
679
254}-
255-
256/*!-
257 Creates a QJsonDocument from the QVariant \a variant.-
258-
259 If the \a variant contains any other type than a QVariantMap,-
260 QVariantList or QStringList, the returned document is invalid.-
261-
262 \sa toVariant()-
263 */-
264QJsonDocument QJsonDocument::fromVariant(const QVariant &variant)-
265{-
266 QJsonDocument doc;-
267 if (variant.type() == QVariant::Map) {
variant.type()... QVariant::MapDescription
TRUEnever evaluated
FALSEnever evaluated
0
268 doc.setObject(QJsonObject::fromVariantMap(variant.toMap()));-
269 } else if (variant.type() == QVariant::List) {
never executed: end of block
variant.type()...QVariant::ListDescription
TRUEnever evaluated
FALSEnever evaluated
0
270 doc.setArray(QJsonArray::fromVariantList(variant.toList()));-
271 } else if (variant.type() == QVariant::StringList) {
never executed: end of block
variant.type()...nt::StringListDescription
TRUEnever evaluated
FALSEnever evaluated
0
272 doc.setArray(QJsonArray::fromStringList(variant.toStringList()));-
273 }
never executed: end of block
0
274 return doc;
never executed: return doc;
0
275}-
276-
277/*!-
278 Returns a QVariant representing the Json document.-
279-
280 The returned variant will be a QVariantList if the document is-
281 a QJsonArray and a QVariantMap if the document is a QJsonObject.-
282-
283 \sa fromVariant(), QJsonValue::toVariant()-
284 */-
285QVariant QJsonDocument::toVariant() const-
286{-
287 if (!d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
288 return QVariant();
never executed: return QVariant();
0
289-
290 if (d->header->root()->isArray())
d->header->root()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
291 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
292 else-
293 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
294}-
295-
296/*!-
297 Converts the QJsonDocument to a UTF-8 encoded JSON document.-
298-
299 \sa fromJson()-
300 */-
301#ifndef QT_JSON_READONLY-
302QByteArray QJsonDocument::toJson() const-
303{-
304 return toJson(Indented);
never executed: return toJson(Indented);
0
305}-
306#endif-
307-
308/*!-
309 \enum QJsonDocument::JsonFormat-
310-
311 This value defines the format of the JSON byte array produced-
312 when converting to a QJsonDocument using toJson().-
313-
314 \value Indented Defines human readable output as follows:-
315 \code-
316 {-
317 "Array": [-
318 true,-
319 999,-
320 "string"-
321 ],-
322 "Key": "Value",-
323 "null": null-
324 }-
325 \endcode-
326-
327 \value Compact Defines a compact output as follows:-
328 \code-
329 {"Array":[true,999,"string"],"Key":"Value","null":null}-
330 \endcode-
331 */-
332-
333/*!-
334 Converts the QJsonDocument to a UTF-8 encoded JSON document in the provided \a format.-
335-
336 \sa fromJson(), JsonFormat-
337 */-
338#ifndef QT_JSON_READONLY-
339QByteArray QJsonDocument::toJson(JsonFormat format) const-
340{-
341 if (!d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
342 return QByteArray();
never executed: return QByteArray();
0
343-
344 QByteArray json;-
345-
346 if (d->header->root()->isArray())
d->header->root()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
347 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
348 else-
349 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
350-
351 return json;
never executed: return json;
0
352}-
353#endif-
354-
355/*!-
356 Parses \a json as a UTF-8 encoded JSON document, and creates a QJsonDocument-
357 from it.-
358-
359 Returns a valid (non-null) QJsonDocument if the parsing succeeds. If it fails,-
360 the returned document will be null, and the optional \a error variable will contain-
361 further details about the error.-
362-
363 \sa toJson(), QJsonParseError, isNull()-
364 */-
365QJsonDocument QJsonDocument::fromJson(const QByteArray &json, QJsonParseError *error)-
366{-
367 QJsonPrivate::Parser parser(json.constData(), json.length());-
368 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
369}-
370-
371/*!-
372 Returns \c true if the document doesn't contain any data.-
373 */-
374bool QJsonDocument::isEmpty() const-
375{-
376 if (!d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
377 return true;
never executed: return true;
0
378-
379 return false;
never executed: return false;
0
380}-
381-
382/*!-
383 Returns a binary representation of the document.-
384-
385 The binary representation is also the native format used internally in Qt,-
386 and is very efficient and fast to convert to and from.-
387-
388 The binary format can be stored on disk and interchanged with other applications-
389 or computers. fromBinaryData() can be used to convert it back into a-
390 JSON document.-
391-
392 \sa fromBinaryData()-
393 */-
394QByteArray QJsonDocument::toBinaryData() const-
395{-
396 if (!d || !d->rawData)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
!d->rawDataDescription
TRUEnever evaluated
FALSEnever evaluated
0
397 return QByteArray();
never executed: return QByteArray();
0
398-
399 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
400}-
401-
402/*!-
403 Returns \c true if the document contains an array.-
404-
405 \sa array(), isObject()-
406 */-
407bool QJsonDocument::isArray() const-
408{-
409 if (!d)
!dDescription
TRUEnever evaluated
FALSEevaluated 2 times by 2 tests
Evaluated by:
  • tst_QNetworkCookieJar
  • tst_qmakelib
0-2
410 return false;
never executed: return false;
0
411-
412 QJsonPrivate::Header *h = (QJsonPrivate::Header *)d->rawData;-
413 return h->root()->isArray();
executed 2 times by 2 tests: return h->root()->isArray();
Executed by:
  • tst_QNetworkCookieJar
  • tst_qmakelib
2
414}-
415-
416/*!-
417 Returns \c true if the document contains an object.-
418-
419 \sa object(), isArray()-
420 */-
421bool QJsonDocument::isObject() const-
422{-
423 if (!d)
!dDescription
TRUEnever evaluated
FALSEevaluated 1 time by 1 test
Evaluated by:
  • tst_qmakelib
0-1
424 return false;
never executed: return false;
0
425-
426 QJsonPrivate::Header *h = (QJsonPrivate::Header *)d->rawData;-
427 return h->root()->isObject();
executed 1 time by 1 test: return h->root()->isObject();
Executed by:
  • tst_qmakelib
1
428}-
429-
430/*!-
431 Returns the QJsonObject contained in the document.-
432-
433 Returns an empty object if the document contains an-
434 array.-
435-
436 \sa isObject(), array(), setObject()-
437 */-
438QJsonObject QJsonDocument::object() const-
439{-
440 if (d) {
dDescription
TRUEevaluated 685 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
  • ...
FALSEnever evaluated
0-685
441 QJsonPrivate::Base *b = d->header->root();-
442 if (b->isObject())
b->isObject()Description
TRUEevaluated 685 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
  • ...
FALSEnever evaluated
0-685
443 return QJsonObject(d, static_cast<QJsonPrivate::Object *>(b));
executed 685 times by 112 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
  • ...
685
444 }
never executed: end of block
0
445 return QJsonObject();
never executed: return QJsonObject();
0
446}-
447-
448/*!-
449 Returns the QJsonArray contained in the document.-
450-
451 Returns an empty array if the document contains an-
452 object.-
453-
454 \sa isArray(), object(), setArray()-
455 */-
456QJsonArray QJsonDocument::array() const-
457{-
458 if (d) {
dDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
FALSEnever evaluated
0-1
459 QJsonPrivate::Base *b = d->header->root();-
460 if (b->isArray())
b->isArray()Description
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QNetworkCookieJar
FALSEnever evaluated
0-1
461 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
462 }
never executed: end of block
0
463 return QJsonArray();
never executed: return QJsonArray();
0
464}-
465-
466/*!-
467 Sets \a object as the main object of this document.-
468-
469 \sa setArray(), object()-
470 */-
471void QJsonDocument::setObject(const QJsonObject &object)-
472{-
473 if (d && !d->ref.deref())
dDescription
TRUEnever evaluated
FALSEnever evaluated
!d->ref.deref()Description
TRUEnever evaluated
FALSEnever evaluated
0
474 delete d;
never executed: delete d;
0
475-
476 d = object.d;-
477-
478 if (!d) {
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
479 d = new QJsonPrivate::Data(0, QJsonValue::Object);-
480 } 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
481 QJsonObject o(object);-
482 if (d->compactionCounter)
d->compactionCounterDescription
TRUEnever evaluated
FALSEnever evaluated
0
483 o.compact();
never executed: o.compact();
0
484 else-
485 o.detach2();
never executed: o.detach2();
0
486 d = o.d;-
487 d->ref.ref();-
488 return;
never executed: return;
0
489 }-
490 d->ref.ref();-
491}
never executed: end of block
0
492-
493/*!-
494 Sets \a array as the main object of this document.-
495-
496 \sa setObject(), array()-
497 */-
498void QJsonDocument::setArray(const QJsonArray &array)-
499{-
500 if (d && !d->ref.deref())
dDescription
TRUEnever evaluated
FALSEnever evaluated
!d->ref.deref()Description
TRUEnever evaluated
FALSEnever evaluated
0
501 delete d;
never executed: delete d;
0
502-
503 d = array.d;-
504-
505 if (!d) {
!dDescription
TRUEnever evaluated
FALSEnever evaluated
0
506 d = new QJsonPrivate::Data(0, QJsonValue::Array);-
507 } 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
508 QJsonArray a(array);-
509 if (d->compactionCounter)
d->compactionCounterDescription
TRUEnever evaluated
FALSEnever evaluated
0
510 a.compact();
never executed: a.compact();
0
511 else-
512 a.detach2();
never executed: a.detach2();
0
513 d = a.d;-
514 d->ref.ref();-
515 return;
never executed: return;
0
516 }-
517 d->ref.ref();-
518}
never executed: end of block
0
519-
520/*!-
521 Returns \c true if the \a other document is equal to this document.-
522 */-
523bool QJsonDocument::operator==(const QJsonDocument &other) const-
524{-
525 if (d == other.d)
d == other.dDescription
TRUEevaluated 8 times by 1 test
Evaluated by:
  • tst_QMetaType
FALSEnever evaluated
0-8
526 return true;
executed 8 times by 1 test: return true;
Executed by:
  • tst_QMetaType
8
527-
528 if (!d || !other.d)
!dDescription
TRUEnever evaluated
FALSEnever evaluated
!other.dDescription
TRUEnever evaluated
FALSEnever evaluated
0
529 return false;
never executed: return false;
0
530-
531 if (d->header->root()->isArray() != other.d->header->root()->isArray())
d->header->roo...t()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
532 return false;
never executed: return false;
0
533-
534 if (d->header->root()->isObject())
d->header->root()->isObject()Description
TRUEnever evaluated
FALSEnever evaluated
0
535 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
536 == 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
537 else-
538 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
539 == 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
540}-
541-
542/*!-
543 \fn bool QJsonDocument::operator!=(const QJsonDocument &other) const-
544-
545 returns \c true if \a other is not equal to this document-
546 */-
547-
548/*!-
549 returns \c true if this document is null.-
550-
551 Null documents are documents created through the default constructor.-
552-
553 Documents created from UTF-8 encoded text or the binary format are-
554 validated during parsing. If validation fails, the returned document-
555 will also be null.-
556 */-
557bool QJsonDocument::isNull() const-
558{-
559 return (d == 0);
executed 661 times by 113 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
  • ...
661
560}-
561-
562#if !defined(QT_NO_DEBUG_STREAM) && !defined(QT_JSON_READONLY)-
563QDebug operator<<(QDebug dbg, const QJsonDocument &o)-
564{-
565 QDebugStateSaver saver(dbg);-
566 if (!o.d) {
!o.dDescription
TRUEevaluated 1 time by 1 test
Evaluated by:
  • tst_QVariant
FALSEnever evaluated
0-1
567 dbg << "QJsonDocument()";-
568 return dbg;
executed 1 time by 1 test: return dbg;
Executed by:
  • tst_QVariant
1
569 }-
570 QByteArray json;-
571 if (o.d->header->root()->isArray())
o.d->header->root()->isArray()Description
TRUEnever evaluated
FALSEnever evaluated
0
572 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
573 else-
574 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
575 dbg.nospace() << "QJsonDocument("-
576 << json.constData() // print as utf-8 string without extra quotation marks-
577 << ')';-
578 return dbg;
never executed: return dbg;
0
579}-
580#endif-
581-
582QT_END_NAMESPACE-
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