<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <title>Class Poco::XML::XMLFilter</title> <meta http-equiv="content-type" content="text/html; charset=utf-8"/> <meta name="author" content="Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="publisher" content="Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="copyright" content="Copyright (c) 2009, Applied Informatics Software Engineering GmbH and Contributors"/> <meta name="language" content="en"/> <meta name="date" content="2009-11-24"/> <meta name="generator" content="PocoDoc"/> <link rel="stylesheet" href="css/styles.css" type="text/css"/> </head> <body bgcolor="#ffffff" leftmargin="0" topmargin="0"> <div class="header"> <h1 class="namespace"><a href="Poco.XML.html" class="namespace">Poco::XML</a></h1> <h1 class="symbol">class XMLFilter</h1> </div> <div class="body"> <p> <b>Library:</b> XML<br /> <b>Package:</b> SAX<br /> <b>Header:</b> Poco/SAX/XMLFilter.h</p> <h2>Description</h2> <div class="description"> <p>Interface for an <a href="Poco.XML.html" title="namespace Poco::XML">XML</a> filter. </p> <p>An <a href="Poco.XML.html" title="namespace Poco::XML">XML</a> filter is like an <a href="Poco.XML.html" title="namespace Poco::XML">XML</a> reader, except that it obtains its events from another <a href="Poco.XML.html" title="namespace Poco::XML">XML</a> reader rather than a primary source like an <a href="Poco.XML.html" title="namespace Poco::XML">XML</a> document or database. Filters can modify a stream of events as they pass on to the final application. </p> <p>The <a href="Poco.XML.XMLFilterImpl.html" title="class Poco::XML::XMLFilterImpl">XMLFilterImpl</a> helper class provides a convenient base for creating SAX2 filters, by passing on all <a href="Poco.XML.EntityResolver.html" title="class Poco::XML::EntityResolver">EntityResolver</a>, <a href="Poco.XML.DTDHandler.html" title="class Poco::XML::DTDHandler">DTDHandler</a>, <a href="Poco.XML.ContentHandler.html" title="class Poco::XML::ContentHandler">ContentHandler</a> and <a href="Poco.XML.ErrorHandler.html" title="class Poco::XML::ErrorHandler">ErrorHandler</a> events automatically. </p> </div> <h2>Inheritance</h2> <p><b>Direct Base Classes: </b><a href="Poco.XML.XMLReader.html" title="class Poco::XML::XMLReader">XMLReader</a></p> <p><b>All Base Classes: </b><a href="Poco.XML.XMLReader.html" title="class Poco::XML::XMLReader">XMLReader</a></p> <p><b>Known Derived Classes: </b><a href="Poco.XML.XMLFilterImpl.html" title="class Poco::XML::XMLFilterImpl">XMLFilterImpl</a>, <a href="Poco.XML.WhitespaceFilter.html" title="class Poco::XML::WhitespaceFilter">WhitespaceFilter</a></p> <h2>Member Summary</h2> <p><b>Member Functions: </b><a href="Poco.XML.XMLFilter.html#19332" title="Poco::XML::XMLFilter::getParent()">getParent</a>, <a href="Poco.XML.XMLFilter.html#19333" title="Poco::XML::XMLFilter::setParent()">setParent</a></p> <p><b>Inherited Functions: </b><a href="Poco.XML.XMLReader.html#19443" title="Poco::XML::XMLReader::getContentHandler()">getContentHandler</a>, <a href="Poco.XML.XMLReader.html#19440" title="Poco::XML::XMLReader::getDTDHandler()">getDTDHandler</a>, <a href="Poco.XML.XMLReader.html#19437" title="Poco::XML::XMLReader::getEntityResolver()">getEntityResolver</a>, <a href="Poco.XML.XMLReader.html#19446" title="Poco::XML::XMLReader::getErrorHandler()">getErrorHandler</a>, <a href="Poco.XML.XMLReader.html#19450" title="Poco::XML::XMLReader::getFeature()">getFeature</a>, <a href="Poco.XML.XMLReader.html#19458" title="Poco::XML::XMLReader::getProperty()">getProperty</a>, <a href="Poco.XML.XMLReader.html#19460" title="Poco::XML::XMLReader::parse()">parse</a>, <a href="Poco.XML.XMLReader.html#19464" title="Poco::XML::XMLReader::parseMemoryNP()">parseMemoryNP</a>, <a href="Poco.XML.XMLReader.html#19441" title="Poco::XML::XMLReader::setContentHandler()">setContentHandler</a>, <a href="Poco.XML.XMLReader.html#19438" title="Poco::XML::XMLReader::setDTDHandler()">setDTDHandler</a>, <a href="Poco.XML.XMLReader.html#19435" title="Poco::XML::XMLReader::setEntityResolver()">setEntityResolver</a>, <a href="Poco.XML.XMLReader.html#19444" title="Poco::XML::XMLReader::setErrorHandler()">setErrorHandler</a>, <a href="Poco.XML.XMLReader.html#19447" title="Poco::XML::XMLReader::setFeature()">setFeature</a>, <a href="Poco.XML.XMLReader.html#19455" title="Poco::XML::XMLReader::setProperty()">setProperty</a></p> <h2>Destructor</h2> <h3><a name="19335">~XMLFilter</a> <img src="images/protected.gif" alt="protected" title="protected" style="vertical-align:baseline;" border="0" /> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual ~<a href="Poco.XML.XMLFilter.html" title="class Poco::XML::XMLFilter">XMLFilter</a>();</p> <div class="description"> <p></p> </div> <h2>Member Functions</h2> <h3><a name="19332">getParent</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual <a href="Poco.XML.XMLReader.html" title="class Poco::XML::XMLReader">XMLReader</a> * getParent() const = 0;</p> <div class="description"> <p>Set the parent reader. </p> <p>This method allows the application to link the filter to a parent reader (which may be another filter). The argument may not be null. </p> </div> <h3><a name="19333">setParent</a> <img src="images/virtual.gif" alt="virtual" title="virtual" style="vertical-align:baseline;" border="0" /> </h3> <p class="decl">virtual void setParent(<br /> <a href="Poco.XML.XMLReader.html" title="class Poco::XML::XMLReader">XMLReader</a> * pParent<br />) = 0;</p> <div class="description"> <p>Get the parent reader. </p> <p>This method allows the application to query the parent reader (which may be another filter). It is generally a bad idea to perform any operations on the parent reader directly: they should all pass through this filter. </p> </div> <p class="footer">POCO C++ Libraries 1.3.6-all<br /> Copyright © 2009, <a href="http://pocoproject.org/" target="_blank">Applied Informatics Software Engineering GmbH and Contributors</a></p> </div> </body> </html>
