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<td >Qt 5.12</td><td ><a href="qtxml-index.html">Qt XML</a></td><td ><a href="qtxml-module.html">C++ Classes</a></td><td >QDomProcessingInstruction</td></tr></table><table class="buildversion"><tr>
<td id="buildversion" width="100%" align="right"><a href="qtxml-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-functions">Public Functions</a></li>
<li class="level1"><a href="#details">Detailed Description</a></li>
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<h1 class="title">QDomProcessingInstruction Class</h1>
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<p>The <a href="qdomprocessinginstruction.html">QDomProcessingInstruction</a> class represents an XML processing instruction. <a href="#details">More...</a></p>
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<tr><td class="memItemLeft rightAlign topAlign"> Header:</td><td class="memItemRight bottomAlign"> <span class="preprocessor">#include <QDomProcessingInstruction></span>
</td></tr><tr><td class="memItemLeft rightAlign topAlign"> qmake:</td><td class="memItemRight bottomAlign"> QT += xml</td></tr><tr><td class="memItemLeft rightAlign topAlign"> Inherits:</td><td class="memItemRight bottomAlign"> <a href="qdomnode.html">QDomNode</a></td></tr></table></div><ul>
<li><a href="qdomprocessinginstruction-members.html">List of all members, including inherited members</a></li>
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<p><b>Note:</b> All functions in this class are reentrant.</p>
<a name="public-functions"></a>
<h2 id="public-functions">Public Functions</h2>
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<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomprocessinginstruction.html#QDomProcessingInstruction">QDomProcessingInstruction</a></b>()</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> </td><td class="memItemRight bottomAlign"><b><a href="qdomprocessinginstruction.html#QDomProcessingInstruction-1">QDomProcessingInstruction</a></b>(const QDomProcessingInstruction &<i>x</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qdomprocessinginstruction.html#data">data</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomNode::NodeType </td><td class="memItemRight bottomAlign"><b><a href="qdomprocessinginstruction.html#nodeType">nodeType</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> void </td><td class="memItemRight bottomAlign"><b><a href="qdomprocessinginstruction.html#setData">setData</a></b>(const QString &<i>d</i>)</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QString </td><td class="memItemRight bottomAlign"><b><a href="qdomprocessinginstruction.html#target">target</a></b>() const</td></tr>
<tr><td class="memItemLeft rightAlign topAlign"> QDomProcessingInstruction &</td><td class="memItemRight bottomAlign"><b><a href="qdomprocessinginstruction.html#operator-eq">operator=</a></b>(const QDomProcessingInstruction &<i>x</i>)</td></tr>
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<li class="fn">65 public functions inherited from <a href="qdomnode.html#public-functions">QDomNode</a></li>
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<h2 id="details">Detailed Description</h2>
<p>The <a href="qdomprocessinginstruction.html">QDomProcessingInstruction</a> class represents an XML processing instruction.</p>
<p>Processing instructions are used in XML to keep processor-specific information in the text of the document.</p>
<p>The XML declaration that appears at the top of an XML document, typically <code><?xml version='1.0' encoding='UTF-8'?></code>, is treated by QDom as a processing instruction. This is unfortunate, since the XML declaration is not a processing instruction; among other differences, it cannot be inserted into a document anywhere but on the first line.</p>
<p>Do not use this function to create an xml declaration, since although it has the same syntax as a processing instruction, it isn't, and might not be treated by QDom as such.</p>
<p>The content of the processing instruction is retrieved with <a href="qdomprocessinginstruction.html#data">data</a>() and set with <a href="qdomprocessinginstruction.html#setData">setData</a>(). The processing instruction's target is retrieved with <a href="qdomprocessinginstruction.html#target">target</a>().</p>
<p>For further information about the Document Object Model see <a href="http://www.w3.org/TR/REC-DOM-Level-1/">Level 1</a> and <a href="http://www.w3.org/TR/DOM-Level-2-Core/">Level 2 Core</a>. For a more general introduction of the DOM implementation see the <a href="qdomdocument.html">QDomDocument</a> documentation.</p>
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<h2>Member Function Documentation</h2>
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<h3 class="fn" id="QDomProcessingInstruction"><a name="QDomProcessingInstruction"></a>QDomProcessingInstruction::<span class="name">QDomProcessingInstruction</span>()</h3>
<p>Constructs an empty processing instruction. Use <a href="qdomdocument.html#createProcessingInstruction">QDomDocument::createProcessingInstruction</a>() to create a processing instruction with content.</p>
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<h3 class="fn" id="QDomProcessingInstruction-1"><a name="QDomProcessingInstruction-1"></a>QDomProcessingInstruction::<span class="name">QDomProcessingInstruction</span>(const <span class="type"><a href="qdomprocessinginstruction.html#QDomProcessingInstruction">QDomProcessingInstruction</a></span> &<i>x</i>)</h3>
<p>Constructs a copy of <i>x</i>.</p>
<p>The data of the copy is shared (shallow copy): modifying one node will also change the other. If you want to make a deep copy, use <a href="qdomnode.html#cloneNode">cloneNode</a>().</p>
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<h3 class="fn" id="data"><a name="data"></a><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QDomProcessingInstruction::<span class="name">data</span>() const</h3>
<p>Returns the content of this processing instruction.</p>
<p><b>See also </b><a href="qdomprocessinginstruction.html#setData">setData</a>() and <a href="qdomprocessinginstruction.html#target">target</a>().</p>
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<h3 class="fn" id="nodeType"><a name="nodeType"></a><span class="type"><a href="qdomnode.html#NodeType-enum">QDomNode::NodeType</a></span> QDomProcessingInstruction::<span class="name">nodeType</span>() const</h3>
<p>Returns <code>ProcessingInstructionNode</code>.</p>
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<h3 class="fn" id="setData"><a name="setData"></a><span class="type">void</span> QDomProcessingInstruction::<span class="name">setData</span>(const <span class="type"><a href="../qtcore/qstring.html">QString</a></span> &<i>d</i>)</h3>
<p>Sets the data contained in the processing instruction to <i>d</i>.</p>
<p><b>See also </b><a href="qdomprocessinginstruction.html#data">data</a>().</p>
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<h3 class="fn" id="target"><a name="target"></a><span class="type"><a href="../qtcore/qstring.html">QString</a></span> QDomProcessingInstruction::<span class="name">target</span>() const</h3>
<p>Returns the target of this processing instruction.</p>
<p><b>See also </b><a href="qdomprocessinginstruction.html#data">data</a>().</p>
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<h3 class="fn" id="operator-eq"><a name="operator-eq"></a><span class="type"><a href="qdomprocessinginstruction.html#QDomProcessingInstruction">QDomProcessingInstruction</a></span> &QDomProcessingInstruction::<span class="name">operator=</span>(const <span class="type"><a href="qdomprocessinginstruction.html#QDomProcessingInstruction">QDomProcessingInstruction</a></span> &<i>x</i>)</h3>
<p>Assigns <i>x</i> to this processing instruction.</p>
<p>The data of the copy is shared (shallow copy): modifying one node will also change the other. If you want to make a deep copy, use <a href="qdomnode.html#cloneNode">cloneNode</a>().</p>
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