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<td >Qt 5.12</td><td ><a href="qtcore-index.html">Qt Core</a></td><td ><a href="qtcore-module.html">C++ Classes</a></td><td >QJsonArray</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qtcore-index.html">Qt 5.12.6 Reference Documentation</a></td>
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<h3><a name="toc">Contents</a></h3>
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<li class="level1"><a href="#public-types">Public Types</a></li>
<li class="level1"><a href="#public-functions">Public Functions</a></li>
<li class="level1"><a href="#static-public-members">Static Public Members</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QJsonArray Class</h1>
<!-- $$$QJsonArray-brief -->
<p>The <a href="qjsonarray.html">QJsonArray</a> class encapsulates a JSON array. <a href="#details">More...</a></p>
<!-- @@@QJsonArray -->
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QJsonArray></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += core</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Since:</td><td class="memItemRight bottomAlign"> Qt 5.0</td></tr></table></div><ul>
<li><a href="qjsonarray-members.html">List of all members, including inherited members</a></li>
</ul>
<p><b>Note:</b> All functions in this class are reentrant.</p>
<a name="public-types"></a>
<h2 id="public-types">Public Types</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> class </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray-const-iterator.html">const_iterator</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> class </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray-iterator.html">iterator</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#ConstIterator-typedef">ConstIterator</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#Iterator-typedef">Iterator</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#const_pointer-typedef">const_pointer</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#const_reference-typedef">const_reference</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#difference_type-typedef">difference_type</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#pointer-typedef">pointer</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#reference-typedef">reference</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#size_type-typedef">size_type</a></b></td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> typedef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#value_type-typedef">value_type</a></b></td></tr>
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<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#QJsonArray">QJsonArray</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#QJsonArray-1">QJsonArray</a></b>(std::initializer_list<QJsonValue> <i>args</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#QJsonArray-2">QJsonArray</a></b>(const QJsonArray &<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#QJsonArray-3">QJsonArray</a></b>(QJsonArray &&<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#dtor.QJsonArray">~QJsonArray</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#append">append</a></b>(const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonValue </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#at">at</a></b>(int <i>i</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#begin">begin</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::const_iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#begin-1">begin</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::const_iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#constBegin">constBegin</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::const_iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#constEnd">constEnd</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#contains">contains</a></b>(const QJsonValue &<i>value</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#count">count</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#empty">empty</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#end">end</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::const_iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#end-1">end</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#erase">erase</a></b>(QJsonArray::iterator <i>it</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonValue </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#first">first</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#insert">insert</a></b>(int <i>i</i>, const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray::iterator </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#insert-1">insert</a></b>(QJsonArray::iterator <i>before</i>, const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#isEmpty">isEmpty</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonValue </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#last">last</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#pop_back">pop_back</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#pop_front">pop_front</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#prepend">prepend</a></b>(const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#push_back">push_back</a></b>(const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#push_front">push_front</a></b>(const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#removeAt">removeAt</a></b>(int <i>i</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#removeFirst">removeFirst</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#removeLast">removeLast</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#replace">replace</a></b>(int <i>i</i>, const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> int </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#size">size</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#swap">swap</a></b>(QJsonArray &<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonValue </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#takeAt">takeAt</a></b>(int <i>i</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QVariantList </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#toVariantList">toVariantList</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-not-eq">operator!=</a></b>(const QJsonArray &<i>other</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-2b">operator+</a></b>(const QJsonValue &<i>value</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray &</td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-2b-eq">operator+=</a></b>(const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray &</td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-lt-lt">operator<<</a></b>(const QJsonValue &<i>value</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray &</td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-eq">operator=</a></b>(const QJsonArray &<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray &</td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-eq-1">operator=</a></b>(QJsonArray &&<i>other</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> bool </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-eq-eq">operator==</a></b>(const QJsonArray &<i>other</i>) const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonValueRef </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-5b-5d">operator[]</a></b>(int <i>i</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonValue </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#operator-5b-5d-1">operator[]</a></b>(int <i>i</i>) const</td></tr>
</table></div>
<a name="static-public-members"></a>
<h2 id="static-public-members">Static Public Members</h2>
<div class="table"><table class="alignedsummary">
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#fromStringList">fromStringList</a></b>(const QStringList &<i>list</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QJsonArray </td><td class="memItemRight bottomAlign"><b><a href="qjsonarray.html#fromVariantList">fromVariantList</a></b>(const QVariantList &<i>list</i>)</td></tr>
</table></div>
<a name="details"></a>
<!-- $$$QJsonArray-description -->
<div class="descr">
<h2 id="details">Detailed Description</h2>
<p>The <a href="qjsonarray.html">QJsonArray</a> class encapsulates a JSON array.</p>
<p>A JSON array is a list of values. The list can be manipulated by inserting and removing <a href="qjsonvalue.html">QJsonValue</a>'s from the array.</p>
<p>A <a href="qjsonarray.html">QJsonArray</a> can be converted to and from a <a href="qvariant.html#QVariantList-typedef">QVariantList</a>. You can query the number of entries with <a href="qjsonarray.html#size">size</a>(), <a href="qjsonarray.html#insert">insert</a>(), and <a href="qjsonarray.html#removeAt">removeAt</a>() entries from it and iterate over its content using the standard C++ iterator pattern.</p>
<p><a href="qjsonarray.html">QJsonArray</a> is an implicitly shared class and shares the data with the document it has been created from as long as it is not being modified.</p>
<p>You can convert the array to and from text based JSON through <a href="qjsondocument.html">QJsonDocument</a>.</p>
</div>
<p><b>See also </b><a href="json.html">JSON Support in Qt</a> and <a href="qtcore-serialization-savegame-example.html">JSON Save Game Example</a>.</p>
<!-- @@@QJsonArray -->
<div class="types">
<h2>Member Type Documentation</h2>
<!-- $$$ConstIterator -->
<h3 class="fn" id="ConstIterator-typedef"><a name="ConstIterator-typedef"></a>typedef QJsonArray::<span class="name">ConstIterator</span></h3>
<p>Qt-style synonym for <a href="qjsonarray-const-iterator.html">QJsonArray::const_iterator</a>.</p>
<!-- @@@ConstIterator -->
<!-- $$$Iterator -->
<h3 class="fn" id="Iterator-typedef"><a name="Iterator-typedef"></a>typedef QJsonArray::<span class="name">Iterator</span></h3>
<p>Qt-style synonym for <a href="qjsonarray-iterator.html">QJsonArray::iterator</a>.</p>
<!-- @@@Iterator -->
<!-- $$$const_pointer -->
<h3 class="fn" id="const_pointer-typedef"><a name="const_pointer-typedef"></a>typedef QJsonArray::<span class="name">const_pointer</span></h3>
<p>Typedef for const <a href="qjsonvalue.html">QJsonValue</a> *. Provided for STL compatibility.</p>
<!-- @@@const_pointer -->
<!-- $$$const_reference -->
<h3 class="fn" id="const_reference-typedef"><a name="const_reference-typedef"></a>typedef QJsonArray::<span class="name">const_reference</span></h3>
<p>Typedef for const <a href="qjsonvalue.html">QJsonValue</a> &. Provided for STL compatibility.</p>
<!-- @@@const_reference -->
<!-- $$$difference_type -->
<h3 class="fn" id="difference_type-typedef"><a name="difference_type-typedef"></a>typedef QJsonArray::<span class="name">difference_type</span></h3>
<p>Typedef for int. Provided for STL compatibility.</p>
<!-- @@@difference_type -->
<!-- $$$pointer -->
<h3 class="fn" id="pointer-typedef"><a name="pointer-typedef"></a>typedef QJsonArray::<span class="name">pointer</span></h3>
<p>Typedef for <a href="qjsonvalue.html">QJsonValue</a> *. Provided for STL compatibility.</p>
<!-- @@@pointer -->
<!-- $$$reference -->
<h3 class="fn" id="reference-typedef"><a name="reference-typedef"></a>typedef QJsonArray::<span class="name">reference</span></h3>
<p>Typedef for <a href="qjsonvalue.html">QJsonValue</a> &. Provided for STL compatibility.</p>
<!-- @@@reference -->
<!-- $$$size_type -->
<h3 class="fn" id="size_type-typedef"><a name="size_type-typedef"></a>typedef QJsonArray::<span class="name">size_type</span></h3>
<p>Typedef for int. Provided for STL compatibility.</p>
<!-- @@@size_type -->
<!-- $$$value_type -->
<h3 class="fn" id="value_type-typedef"><a name="value_type-typedef"></a>typedef QJsonArray::<span class="name">value_type</span></h3>
<p>Typedef for <a href="qjsonvalue.html">QJsonValue</a>. Provided for STL compatibility.</p>
<!-- @@@value_type -->
</div>
<div class="func">
<h2>Member Function Documentation</h2>
<!-- $$$QJsonArray[overload1]$$$QJsonArray -->
<h3 class="fn" id="QJsonArray"><a name="QJsonArray"></a>QJsonArray::<span class="name">QJsonArray</span>()</h3>
<p>Creates an empty array.</p>
<!-- @@@QJsonArray -->
<!-- $$$QJsonArray$$$QJsonArraystd::initializer_list<QJsonValue> -->
<h3 class="fn" id="QJsonArray-1"><a name="QJsonArray-1"></a>QJsonArray::<span class="name">QJsonArray</span>(<span class="type">std::initializer_list</span><<span class="type"><a href="qjsonvalue.html">QJsonValue</a></span>> <i>args</i>)</h3>
<p>Creates an array initialized from <i>args</i> initialization list.</p>
<p><a href="qjsonarray.html">QJsonArray</a> can be constructed in a way similar to JSON notation, for example:</p>
<pre class="cpp">
<span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> array <span class="operator">=</span> { <span class="number">1</span><span class="operator">,</span> <span class="number">2.2</span><span class="operator">,</span> <span class="type"><a href="qstring.html">QString</a></span>() };
</pre>
<p>This function was introduced in Qt 5.4.</p>
<!-- @@@QJsonArray -->
<!-- $$$QJsonArray$$$QJsonArrayconstQJsonArray& -->
<h3 class="fn" id="QJsonArray-2"><a name="QJsonArray-2"></a>QJsonArray::<span class="name">QJsonArray</span>(const <span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &<i>other</i>)</h3>
<p>Creates a copy of <i>other</i>.</p>
<p>Since <a href="qjsonarray.html">QJsonArray</a> is implicitly shared, the copy is shallow as long as the object doesn't get modified.</p>
<!-- @@@QJsonArray -->
<!-- $$$QJsonArray$$$QJsonArrayQJsonArray&& -->
<h3 class="fn" id="QJsonArray-3"><a name="QJsonArray-3"></a>QJsonArray::<span class="name">QJsonArray</span>(<span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &&<i>other</i>)</h3>
<p>Move-constructs a <a href="qjsonarray.html">QJsonArray</a> from <i>other</i>.</p>
<p>This function was introduced in Qt 5.10.</p>
<!-- @@@QJsonArray -->
<!-- $$$~QJsonArray[overload1]$$$~QJsonArray -->
<h3 class="fn" id="dtor.QJsonArray"><a name="dtor.QJsonArray"></a>QJsonArray::<span class="name">~QJsonArray</span>()</h3>
<p>Deletes the array.</p>
<!-- @@@~QJsonArray -->
<!-- $$$append[overload1]$$$appendconstQJsonValue& -->
<h3 class="fn" id="append"><a name="append"></a><span class="type">void</span> QJsonArray::<span class="name">append</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>Inserts <i>value</i> at the end of the array.</p>
<p><b>See also </b><a href="qjsonarray.html#prepend">prepend</a>() and <a href="qjsonarray.html#insert">insert</a>().</p>
<!-- @@@append -->
<!-- $$$at[overload1]$$$atint -->
<h3 class="fn" id="at"><a name="at"></a><span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> QJsonArray::<span class="name">at</span>(<span class="type">int</span> <i>i</i>) const</h3>
<p>Returns a <a href="qjsonvalue.html">QJsonValue</a> representing the value for index <i>i</i>.</p>
<p>The returned <a href="qjsonvalue.html">QJsonValue</a> is <code>Undefined</code>, if <i>i</i> is out of bounds.</p>
<!-- @@@at -->
<!-- $$$begin[overload1]$$$begin -->
<h3 class="fn" id="begin"><a name="begin"></a><span class="type"><a href="qjsonarray-iterator.html">QJsonArray::iterator</a></span> QJsonArray::<span class="name">begin</span>()</h3>
<p>Returns an <a href="containers.html#stl-style-iterators">STL-style iterator</a> pointing to the first item in the array.</p>
<p><b>See also </b><a href="qjsonarray.html#constBegin">constBegin</a>() and <a href="qjsonarray.html#end">end</a>().</p>
<!-- @@@begin -->
<!-- $$$begin$$$begin -->
<h3 class="fn" id="begin-1"><a name="begin-1"></a><span class="type"><a href="qjsonarray-const-iterator.html">QJsonArray::const_iterator</a></span> QJsonArray::<span class="name">begin</span>() const</h3>
<p>This is an overloaded function.</p>
<!-- @@@begin -->
<!-- $$$constBegin[overload1]$$$constBegin -->
<h3 class="fn" id="constBegin"><a name="constBegin"></a><span class="type"><a href="qjsonarray-const-iterator.html">QJsonArray::const_iterator</a></span> QJsonArray::<span class="name">constBegin</span>() const</h3>
<p>Returns a const <a href="containers.html#stl-style-iterators">STL-style iterator</a> pointing to the first item in the array.</p>
<p><b>See also </b><a href="qjsonarray.html#begin">begin</a>() and <a href="qjsonarray.html#constEnd">constEnd</a>().</p>
<!-- @@@constBegin -->
<!-- $$$constEnd[overload1]$$$constEnd -->
<h3 class="fn" id="constEnd"><a name="constEnd"></a><span class="type"><a href="qjsonarray-const-iterator.html">QJsonArray::const_iterator</a></span> QJsonArray::<span class="name">constEnd</span>() const</h3>
<p>Returns a const <a href="containers.html#stl-style-iterators">STL-style iterator</a> pointing to the imaginary item after the last item in the array.</p>
<p><b>See also </b><a href="qjsonarray.html#constBegin">constBegin</a>() and <a href="qjsonarray.html#end">end</a>().</p>
<!-- @@@constEnd -->
<!-- $$$contains[overload1]$$$containsconstQJsonValue& -->
<h3 class="fn" id="contains"><a name="contains"></a><span class="type">bool</span> QJsonArray::<span class="name">contains</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>) const</h3>
<p>Returns <code>true</code> if the array contains an occurrence of <i>value</i>, otherwise <code>false</code>.</p>
<p><b>See also </b><a href="qjsonarray.html#count">count</a>().</p>
<!-- @@@contains -->
<!-- $$$count[overload1]$$$count -->
<h3 class="fn" id="count"><a name="count"></a><span class="type">int</span> QJsonArray::<span class="name">count</span>() const</h3>
<p>Same as <a href="qjsonarray.html#size">size</a>().</p>
<p><b>See also </b><a href="qjsonarray.html#size">size</a>().</p>
<!-- @@@count -->
<!-- $$$empty[overload1]$$$empty -->
<h3 class="fn" id="empty"><a name="empty"></a><span class="type">bool</span> QJsonArray::<span class="name">empty</span>() const</h3>
<p>This function is provided for STL compatibility. It is equivalent to <a href="qjsonarray.html#isEmpty">isEmpty</a>() and returns <code>true</code> if the array is empty.</p>
<!-- @@@empty -->
<!-- $$$end[overload1]$$$end -->
<h3 class="fn" id="end"><a name="end"></a><span class="type"><a href="qjsonarray-iterator.html">QJsonArray::iterator</a></span> QJsonArray::<span class="name">end</span>()</h3>
<p>Returns an <a href="containers.html#stl-style-iterators">STL-style iterator</a> pointing to the imaginary item after the last item in the array.</p>
<p><b>See also </b><a href="qjsonarray.html#begin">begin</a>() and <a href="qjsonarray.html#constEnd">constEnd</a>().</p>
<!-- @@@end -->
<!-- $$$end$$$end -->
<h3 class="fn" id="end-1"><a name="end-1"></a><span class="type"><a href="qjsonarray-const-iterator.html">QJsonArray::const_iterator</a></span> QJsonArray::<span class="name">end</span>() const</h3>
<p>This is an overloaded function.</p>
<!-- @@@end -->
<!-- $$$erase[overload1]$$$eraseQJsonArray::iterator -->
<h3 class="fn" id="erase"><a name="erase"></a><span class="type"><a href="qjsonarray-iterator.html">QJsonArray::iterator</a></span> QJsonArray::<span class="name">erase</span>(<span class="type"><a href="qjsonarray-iterator.html">QJsonArray::iterator</a></span> <i>it</i>)</h3>
<p>Removes the item pointed to by <i>it</i>, and returns an iterator pointing to the next item.</p>
<p><b>See also </b><a href="qjsonarray.html#removeAt">removeAt</a>().</p>
<!-- @@@erase -->
<!-- $$$first[overload1]$$$first -->
<h3 class="fn" id="first"><a name="first"></a><span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> QJsonArray::<span class="name">first</span>() const</h3>
<p>Returns the first value stored in the array.</p>
<p>Same as <code>at(0)</code>.</p>
<p><b>See also </b><a href="qjsonarray.html#at">at</a>().</p>
<!-- @@@first -->
<!-- $$$fromStringList[overload1]$$$fromStringListconstQStringList& -->
<h3 class="fn" id="fromStringList"><a name="fromStringList"></a><code>[static] </code><span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> QJsonArray::<span class="name">fromStringList</span>(const <span class="type"><a href="qstringlist.html">QStringList</a></span> &<i>list</i>)</h3>
<p>Converts the string list <i>list</i> to a <a href="qjsonarray.html">QJsonArray</a>.</p>
<p>The values in <i>list</i> will be converted to JSON values.</p>
<p><b>See also </b><a href="qjsonarray.html#toVariantList">toVariantList</a>() and <a href="qjsonvalue.html#fromVariant">QJsonValue::fromVariant</a>().</p>
<!-- @@@fromStringList -->
<!-- $$$fromVariantList[overload1]$$$fromVariantListconstQVariantList& -->
<h3 class="fn" id="fromVariantList"><a name="fromVariantList"></a><code>[static] </code><span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> QJsonArray::<span class="name">fromVariantList</span>(const <span class="type"><a href="qvariant.html#QVariantList-typedef">QVariantList</a></span> &<i>list</i>)</h3>
<p>Converts the variant list <i>list</i> to a <a href="qjsonarray.html">QJsonArray</a>.</p>
<p>The <a href="qvariant.html">QVariant</a> values in <i>list</i> will be converted to JSON values.</p>
<p><b>See also </b><a href="qjsonarray.html#toVariantList">toVariantList</a>() and <a href="qjsonvalue.html#fromVariant">QJsonValue::fromVariant</a>().</p>
<!-- @@@fromVariantList -->
<!-- $$$insert[overload1]$$$insertintconstQJsonValue& -->
<h3 class="fn" id="insert"><a name="insert"></a><span class="type">void</span> QJsonArray::<span class="name">insert</span>(<span class="type">int</span> <i>i</i>, const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>Inserts <i>value</i> at index position <i>i</i> in the array. If <i>i</i> is <code>0</code>, the value is prepended to the array. If <i>i</i> is <a href="qjsonarray.html#size">size</a>(), the value is appended to the array.</p>
<p><b>See also </b><a href="qjsonarray.html#append">append</a>(), <a href="qjsonarray.html#prepend">prepend</a>(), <a href="qjsonarray.html#replace">replace</a>(), and <a href="qjsonarray.html#removeAt">removeAt</a>().</p>
<!-- @@@insert -->
<!-- $$$insert$$$insertQJsonArray::iteratorconstQJsonValue& -->
<h3 class="fn" id="insert-1"><a name="insert-1"></a><span class="type"><a href="qjsonarray-iterator.html">QJsonArray::iterator</a></span> QJsonArray::<span class="name">insert</span>(<span class="type"><a href="qjsonarray-iterator.html">QJsonArray::iterator</a></span> <i>before</i>, const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>Inserts <i>value</i> before the position pointed to by <i>before</i>, and returns an iterator pointing to the newly inserted item.</p>
<p><b>See also </b><a href="qjsonarray.html#erase">erase</a>() and <a href="qjsonarray.html#insert">insert</a>().</p>
<!-- @@@insert -->
<!-- $$$isEmpty[overload1]$$$isEmpty -->
<h3 class="fn" id="isEmpty"><a name="isEmpty"></a><span class="type">bool</span> QJsonArray::<span class="name">isEmpty</span>() const</h3>
<p>Returns <code>true</code> if the object is empty. This is the same as <a href="qjsonarray.html#size">size</a>() == 0.</p>
<p><b>See also </b><a href="qjsonarray.html#size">size</a>().</p>
<!-- @@@isEmpty -->
<!-- $$$last[overload1]$$$last -->
<h3 class="fn" id="last"><a name="last"></a><span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> QJsonArray::<span class="name">last</span>() const</h3>
<p>Returns the last value stored in the array.</p>
<p>Same as <code>at(size() - 1)</code>.</p>
<p><b>See also </b><a href="qjsonarray.html#at">at</a>().</p>
<!-- @@@last -->
<!-- $$$pop_back[overload1]$$$pop_back -->
<h3 class="fn" id="pop_back"><a name="pop_back"></a><span class="type">void</span> QJsonArray::<span class="name">pop_back</span>()</h3>
<p>This function is provided for STL compatibility. It is equivalent to <a href="qjsonarray.html#removeLast">removeLast</a>(). The array must not be empty. If the array can be empty, call <a href="qjsonarray.html#isEmpty">isEmpty</a>() before calling this function.</p>
<!-- @@@pop_back -->
<!-- $$$pop_front[overload1]$$$pop_front -->
<h3 class="fn" id="pop_front"><a name="pop_front"></a><span class="type">void</span> QJsonArray::<span class="name">pop_front</span>()</h3>
<p>This function is provided for STL compatibility. It is equivalent to <a href="qjsonarray.html#removeFirst">removeFirst</a>(). The array must not be empty. If the array can be empty, call <a href="qjsonarray.html#isEmpty">isEmpty</a>() before calling this function.</p>
<!-- @@@pop_front -->
<!-- $$$prepend[overload1]$$$prependconstQJsonValue& -->
<h3 class="fn" id="prepend"><a name="prepend"></a><span class="type">void</span> QJsonArray::<span class="name">prepend</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>Inserts <i>value</i> at the beginning of the array.</p>
<p>This is the same as <code>insert(0, value)</code> and will prepend <i>value</i> to the array.</p>
<p><b>See also </b><a href="qjsonarray.html#append">append</a>() and <a href="qjsonarray.html#insert">insert</a>().</p>
<!-- @@@prepend -->
<!-- $$$push_back[overload1]$$$push_backconstQJsonValue& -->
<h3 class="fn" id="push_back"><a name="push_back"></a><span class="type">void</span> QJsonArray::<span class="name">push_back</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>This function is provided for STL compatibility. It is equivalent to <a href="qjsonarray.html#append">append</a>(value) and will append <i>value</i> to the array.</p>
<!-- @@@push_back -->
<!-- $$$push_front[overload1]$$$push_frontconstQJsonValue& -->
<h3 class="fn" id="push_front"><a name="push_front"></a><span class="type">void</span> QJsonArray::<span class="name">push_front</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>This function is provided for STL compatibility. It is equivalent to <a href="qjsonarray.html#prepend">prepend</a>(value) and will prepend <i>value</i> to the array.</p>
<!-- @@@push_front -->
<!-- $$$removeAt[overload1]$$$removeAtint -->
<h3 class="fn" id="removeAt"><a name="removeAt"></a><span class="type">void</span> QJsonArray::<span class="name">removeAt</span>(<span class="type">int</span> <i>i</i>)</h3>
<p>Removes the value at index position <i>i</i>. <i>i</i> must be a valid index position in the array (i.e., <code>0 <= i < size()</code>).</p>
<p><b>See also </b><a href="qjsonarray.html#insert">insert</a>() and <a href="qjsonarray.html#replace">replace</a>().</p>
<!-- @@@removeAt -->
<!-- $$$removeFirst[overload1]$$$removeFirst -->
<h3 class="fn" id="removeFirst"><a name="removeFirst"></a><span class="type">void</span> QJsonArray::<span class="name">removeFirst</span>()</h3>
<p>Removes the first item in the array. Calling this function is equivalent to calling <code>removeAt(0)</code>. The array must not be empty. If the array can be empty, call <a href="qjsonarray.html#isEmpty">isEmpty</a>() before calling this function.</p>
<p><b>See also </b><a href="qjsonarray.html#removeAt">removeAt</a>() and <a href="qjsonarray.html#removeLast">removeLast</a>().</p>
<!-- @@@removeFirst -->
<!-- $$$removeLast[overload1]$$$removeLast -->
<h3 class="fn" id="removeLast"><a name="removeLast"></a><span class="type">void</span> QJsonArray::<span class="name">removeLast</span>()</h3>
<p>Removes the last item in the array. Calling this function is equivalent to calling <code>removeAt(size() - 1)</code>. The array must not be empty. If the array can be empty, call <a href="qjsonarray.html#isEmpty">isEmpty</a>() before calling this function.</p>
<p><b>See also </b><a href="qjsonarray.html#removeAt">removeAt</a>() and <a href="qjsonarray.html#removeFirst">removeFirst</a>().</p>
<!-- @@@removeLast -->
<!-- $$$replace[overload1]$$$replaceintconstQJsonValue& -->
<h3 class="fn" id="replace"><a name="replace"></a><span class="type">void</span> QJsonArray::<span class="name">replace</span>(<span class="type">int</span> <i>i</i>, const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>Replaces the item at index position <i>i</i> with <i>value</i>. <i>i</i> must be a valid index position in the array (i.e., <code>0 <= i < size()</code>).</p>
<p><b>See also </b><a href="qjsonarray.html#operator-5b-5d">operator[]</a>() and <a href="qjsonarray.html#removeAt">removeAt</a>().</p>
<!-- @@@replace -->
<!-- $$$size[overload1]$$$size -->
<h3 class="fn" id="size"><a name="size"></a><span class="type">int</span> QJsonArray::<span class="name">size</span>() const</h3>
<p>Returns the number of values stored in the array.</p>
<!-- @@@size -->
<!-- $$$swap[overload1]$$$swapQJsonArray& -->
<h3 class="fn" id="swap"><a name="swap"></a><span class="type">void</span> QJsonArray::<span class="name">swap</span>(<span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &<i>other</i>)</h3>
<p>Swaps the array <i>other</i> with this. This operation is very fast and never fails.</p>
<p>This function was introduced in Qt 5.10.</p>
<!-- @@@swap -->
<!-- $$$takeAt[overload1]$$$takeAtint -->
<h3 class="fn" id="takeAt"><a name="takeAt"></a><span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> QJsonArray::<span class="name">takeAt</span>(<span class="type">int</span> <i>i</i>)</h3>
<p>Removes the item at index position <i>i</i> and returns it. <i>i</i> must be a valid index position in the array (i.e., <code>0 <= i < size()</code>).</p>
<p>If you don't use the return value, <a href="qjsonarray.html#removeAt">removeAt</a>() is more efficient.</p>
<p><b>See also </b><a href="qjsonarray.html#removeAt">removeAt</a>().</p>
<!-- @@@takeAt -->
<!-- $$$toVariantList[overload1]$$$toVariantList -->
<h3 class="fn" id="toVariantList"><a name="toVariantList"></a><span class="type"><a href="qvariant.html#QVariantList-typedef">QVariantList</a></span> QJsonArray::<span class="name">toVariantList</span>() const</h3>
<p>Converts this object to a <a href="qvariant.html#QVariantList-typedef">QVariantList</a>.</p>
<p>Returns the created map.</p>
<!-- @@@toVariantList -->
<!-- $$$operator!=[overload1]$$$operator!=constQJsonArray& -->
<h3 class="fn" id="operator-not-eq"><a name="operator-not-eq"></a><span class="type">bool</span> QJsonArray::<span class="name">operator!=</span>(const <span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &<i>other</i>) const</h3>
<p>Returns <code>true</code> if this array is not equal to <i>other</i>.</p>
<!-- @@@operator!= -->
<!-- $$$operator+[overload1]$$$operator+constQJsonValue& -->
<h3 class="fn" id="operator-2b"><a name="operator-2b"></a><span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> QJsonArray::<span class="name">operator+</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>) const</h3>
<p>Returns an array that contains all the items in this array followed by the provided <i>value</i>.</p>
<p>This function was introduced in Qt 5.3.</p>
<p><b>See also </b><a href="qjsonarray.html#operator-2b-eq">operator+=</a>().</p>
<!-- @@@operator+ -->
<!-- $$$operator+=[overload1]$$$operator+=constQJsonValue& -->
<h3 class="fn" id="operator-2b-eq"><a name="operator-2b-eq"></a><span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &QJsonArray::<span class="name">operator+=</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>Appends <i>value</i> to the array, and returns a reference to the array itself.</p>
<p>This function was introduced in Qt 5.3.</p>
<p><b>See also </b><a href="qjsonarray.html#append">append</a>() and <a href="qjsonarray.html#operator-lt-lt">operator<<</a>().</p>
<!-- @@@operator+= -->
<!-- $$$operator<<[overload1]$$$operator<<constQJsonValue& -->
<h3 class="fn" id="operator-lt-lt"><a name="operator-lt-lt"></a><span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &QJsonArray::<span class="name">operator<<</span>(const <span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> &<i>value</i>)</h3>
<p>Appends <i>value</i> to the array, and returns a reference to the array itself.</p>
<p>This function was introduced in Qt 5.3.</p>
<p><b>See also </b><a href="qjsonarray.html#operator-2b-eq">operator+=</a>() and <a href="qjsonarray.html#append">append</a>().</p>
<!-- @@@operator<< -->
<!-- $$$operator=[overload1]$$$operator=constQJsonArray& -->
<h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &QJsonArray::<span class="name">operator=</span>(const <span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &<i>other</i>)</h3>
<p>Assigns <i>other</i> to this array.</p>
<!-- @@@operator= -->
<!-- $$$operator=$$$operator=QJsonArray&& -->
<h3 class="fn" id="operator-eq-1"><a name="operator-eq-1"></a><span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &QJsonArray::<span class="name">operator=</span>(<span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &&<i>other</i>)</h3>
<p>Move-assigns <i>other</i> to this array.</p>
<p>This function was introduced in Qt 5.10.</p>
<!-- @@@operator= -->
<!-- $$$operator==[overload1]$$$operator==constQJsonArray& -->
<h3 class="fn" id="operator-eq-eq"><a name="operator-eq-eq"></a><span class="type">bool</span> QJsonArray::<span class="name">operator==</span>(const <span class="type"><a href="qjsonarray.html#QJsonArray">QJsonArray</a></span> &<i>other</i>) const</h3>
<p>Returns <code>true</code> if this array is equal to <i>other</i>.</p>
<!-- @@@operator== -->
<!-- $$$operator[][overload1]$$$operator[]int -->
<h3 class="fn" id="operator-5b-5d"><a name="operator-5b-5d"></a><span class="type">QJsonValueRef</span> QJsonArray::<span class="name">operator[]</span>(<span class="type">int</span> <i>i</i>)</h3>
<p>Returns the value at index position <i>i</i> as a modifiable reference. <i>i</i> must be a valid index position in the array (i.e., <code>0 <= i < size()</code>).</p>
<p>The return value is of type <a href="qjsonvalue.html#qjsonvalueref">QJsonValueRef</a>, a helper class for <a href="qjsonarray.html">QJsonArray</a> and <a href="qjsonobject.html">QJsonObject</a>. When you get an object of type <a href="qjsonvalue.html#qjsonvalueref">QJsonValueRef</a>, you can use it as if it were a reference to a <a href="qjsonvalue.html">QJsonValue</a>. If you assign to it, the assignment will apply to the character in the <a href="qjsonarray.html">QJsonArray</a> of <a href="qjsonobject.html">QJsonObject</a> from which you got the reference.</p>
<p><b>See also </b><a href="qjsonarray.html#at">at</a>().</p>
<!-- @@@operator[] -->
<!-- $$$operator[]$$$operator[]int -->
<h3 class="fn" id="operator-5b-5d-1"><a name="operator-5b-5d-1"></a><span class="type"><a href="qjsonvalue.html">QJsonValue</a></span> QJsonArray::<span class="name">operator[]</span>(<span class="type">int</span> <i>i</i>) const</h3>
<p>This is an overloaded function.</p>
<p>Same as <a href="qjsonarray.html#at">at</a>().</p>
<!-- @@@operator[] -->
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<acronym title="Copyright">©</acronym> 2019 The Qt Company Ltd.
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distrib
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Mageia
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7
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armv7hl
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media
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core-updates
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by-pkgid
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d5e62c01ae8d1e579463c6a871dd44bf
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files
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485
