qdomimplementation.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"><!-- /home/reggie/tmp/qt-3.0-reggie-5401/qt-x11-commercial-3.0.5/src/xml/qdom.cpp:607 --><html><head><meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1"><title>QDomImplementation Class</title><style type="text/css"><!--h3.fn,span.fn { margin-left: 1cm; text-indent: -1cm; }a:link { color: #004faf; text-decoration: none }a:visited { color: #672967; text-decoration: none }body { background: #ffffff; color: black; }--></style></head><body><table border="0" cellpadding="0" cellspacing="0" width="100%"><tr bgcolor="#E5E5E5"><td valign=center> <a href="index.html"><font color="#004faf">Home</font></a> | <a href="classes.html"><font color="#004faf">All Classes</font></a> | <a href="mainclasses.html"><font color="#004faf">Main Classes</font></a> | <a href="annotated.html"><font color="#004faf">Annotated</font></a> | <a href="groups.html"><font color="#004faf">Grouped Classes</font></a> | <a href="functions.html"><font color="#004faf">Functions</font></a></td><td align="right" valign="center"><img src="logo32.png" align="right" width="64" height="32" border="0"></td></tr></table><h1 align=center>QDomImplementation Class Reference<br><small>[<a href="xml.html">XML module</a>]</small></h1><p>The QDomImplementation class provides information about the featuresof the DOM implementation.<a href="#details">More...</a><p><tt>#include <<a href="qdom-h.html">qdom.h</a>></tt><p><a href="qdomimplementation-members.html">List of all member functions.</a><h2>Public Members</h2><ul><li><div class=fn><a href="#QDomImplementation"><b>QDomImplementation</b></a> ()</div></li><li><div class=fn><a href="#QDomImplementation-2"><b>QDomImplementation</b></a> ( const QDomImplementation & x )</div></li><li><div class=fn>virtual <a href="#~QDomImplementation"><b>~QDomImplementation</b></a> ()</div></li><li><div class=fn>QDomImplementation & <a href="#operator-eq"><b>operator=</b></a> ( const QDomImplementation & x )</div></li><li><div class=fn>bool <a href="#operator-eq-eq"><b>operator==</b></a> ( const QDomImplementation & x ) const</div></li><li><div class=fn>bool <a href="#operator!-eq"><b>operator!=</b></a> ( const QDomImplementation & x ) const</div></li><li><div class=fn>virtual bool <a href="#hasFeature"><b>hasFeature</b></a> ( const QString & feature, const QString & version )</div></li><li><div class=fn>virtual QDomDocumentType <a href="#createDocumentType"><b>createDocumentType</b></a> ( const QString & qName, const QString & publicId, const QString & systemId )</div></li><li><div class=fn>virtual QDomDocument <a href="#createDocument"><b>createDocument</b></a> ( const QString & nsURI, const QString & qName, const QDomDocumentType & doctype )</div></li><li><div class=fn>bool <a href="#isNull"><b>isNull</b></a> ()</div></li></ul><hr><a name="details"></a><h2>Detailed Description</h2>The QDomImplementation class provides information about the featuresof the DOM implementation.<p> <p> This class describes the features that are supported by the DOMimplementation. Currently only the XML subset of DOM Level 1 and DOM Level 2Core are supported.<p> Normally you will use the function <a href="qdomdocument.html#implementation">QDomDocument::implementation</a>() to get theimplementation object.<p> You can create a new document type with <a href="#createDocumentType">createDocumentType</a>() and a newdocument with <a href="#createDocument">createDocument</a>().<p> For further information about the Document Object Model see<a href="http://www.w3.org/TR/REC-DOM-Level-1/">http://www.w3.org/TR/REC-DOM-Level-1/</a> and<a href="http://www.w3.org/TR/DOM-Level-2-Core/">http://www.w3.org/TR/DOM-Level-2-Core/</a>.For a more general introduction of the DOM implementation see the<a href="qdomdocument.html">QDomDocument</a> documentation.<p> <p>See also <a href="#hasFeature">hasFeature</a>() and <a href="xml-tools.html">XML</a>.<hr><h2>Member Function Documentation</h2><h3 class=fn><a name="QDomImplementation"></a>QDomImplementation::QDomImplementation ()</h3>Constructs a QDomImplementation object.<h3 class=fn><a name="QDomImplementation-2"></a>QDomImplementation::QDomImplementation ( const <a href="qdomimplementation.html">QDomImplementation</a> & x )</h3>Constructs a copy of <em>x</em>.<h3 class=fn><a name="~QDomImplementation"></a>QDomImplementation::~QDomImplementation ()<tt> [virtual]</tt></h3>Destroys the object and frees its resources.<h3 class=fn><a href="qdomdocument.html">QDomDocument</a> <a name="createDocument"></a>QDomImplementation::createDocument ( const <a href="qstring.html">QString</a> & nsURI, const <a href="qstring.html">QString</a> & qName, const <a href="qdomdocumenttype.html">QDomDocumentType</a> & doctype )<tt> [virtual]</tt></h3>Creates a DOM document with the document type <em>doctype</em>. This function alsoadds a root element node with the qualified name <em>qName</em> and the namespaceURI <em>nsURI</em>.<h3 class=fn><a href="qdomdocumenttype.html">QDomDocumentType</a> <a name="createDocumentType"></a>QDomImplementation::createDocumentType ( const <a href="qstring.html">QString</a> & qName, const <a href="qstring.html">QString</a> & publicId, const <a href="qstring.html">QString</a> & systemId )<tt> [virtual]</tt></h3>Creates a document type node for the name <em>qName</em>.<p> <em>publicId</em> specifies the public identifier of the external subset; If youspecify <a href="qstring.html#QString-null">QString::null</a> as the <em>publicId</em>, this means that the document typehas no public identifier.<p> Similarly, you specify the system identifier of the external subset with <em>systemId</em>. If you specify QString::null as the <em>systemId</em>, this means thatthe document type has no system identifier. Since you cannot have a publicidentifier without a system identifier, the public identifier is set toQString::null if there is no system identifier.<p> Other features of a document type declaration are not supported by DOM level2.<p> The only way you can use a document type that was created this way, is incombination with the <a href="#createDocument">createDocument</a>() function to create a <a href="qdomdocument.html">QDomDocument</a> withthis document type.<p> <p>See also <a href="#createDocument">createDocument</a>().<h3 class=fn>bool <a name="hasFeature"></a>QDomImplementation::hasFeature ( const <a href="qstring.html">QString</a> & feature, const <a href="qstring.html">QString</a> & version )<tt> [virtual]</tt></h3>The function returns TRUE if QDom implements the requested <em>version</em> of a <em>feature</em>.<p> Currently only the feature "XML" in version "1.0" is supported.<h3 class=fn>bool <a name="isNull"></a>QDomImplementation::isNull ()</h3>Returns FALSE if the object was created by <a href="qdomdocument.html#implementation">QDomDocument::implementation</a>();otherwise returns TRUE.<h3 class=fn>bool <a name="operator!-eq"></a>QDomImplementation::operator!= ( const <a href="qdomimplementation.html">QDomImplementation</a> & x ) const</h3>Returns TRUE if <em>x</em> and this DOM implementation object were created fromdifferent QDomDocuments.<h3 class=fn><a href="qdomimplementation.html">QDomImplementation</a> & <a name="operator-eq"></a>QDomImplementation::operator= ( const <a href="qdomimplementation.html">QDomImplementation</a> & x )</h3>Assigns <em>x</em> to this DOM implementation.<h3 class=fn>bool <a name="operator-eq-eq"></a>QDomImplementation::operator== ( const <a href="qdomimplementation.html">QDomImplementation</a> & x ) const</h3>Returns TRUE if <em>x</em> and this DOM implementation object were created from thesame <a href="qdomdocument.html">QDomDocument</a>.<!-- eof --><hr><p>This file is part of the <a href="index.html">Qt toolkit</a>.Copyright © 1995-2002<a href="http://www.trolltech.com/">Trolltech</a>. All Rights Reserved.<p><address><hr><div align=center><table width=100% cellspacing=0 border=0><tr><td>Copyright © 2002 <a href="http://www.trolltech.com">Trolltech</a><td><a href="http://www.trolltech.com/trademarks.html">Trademarks</a><td align=right><div align=right>Qt version 3.0.5</div></table></div></address></body></html>⌨️ 快捷键说明
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