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v2.14.2
doc/devhelp/libxml2-SAX2.html
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Nick Wellnhofer
Update documentation for 2.14.0
27 мар 2025, 17:17
27 мар 2025, 17:17
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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>SAX2: SAX2 parser interface used to build the DOM tree</title> <meta name="generator" content="Libxml2 devhelp stylesheet"> <link rel="start" href="index.html" title="libxml2 Reference Manual"> <link rel="up" href="general.html" title="API"> <link rel="stylesheet" href="style.css" type="text/css"> <link rel="chapter" href="general.html" title="API"> </head> <body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"> <table class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"> <td><a accesskey="p" href="libxml2-HTMLtree.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></a></td> <td><a accesskey="u" href="general.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></a></td> <td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></a></td> <td><a accesskey="n" href="libxml2-c14n.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></a></td> <th width="100%" align="center">libxml2 Reference Manual</th> </tr></table> <h2><span class="refentrytitle">SAX2</span></h2> <p>SAX2 - SAX2 parser interface used to build the DOM tree</p> <p>those are the default SAX2 interfaces used by the library when building DOM tree. </p> <p>Author(s): Daniel Veillard </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">void <a href="#htmlDefaultSAXHandlerInit">htmlDefaultSAXHandlerInit</a> (void); void <a href="#xmlDefaultSAXHandlerInit">xmlDefaultSAXHandlerInit</a> (void); void <a href="#xmlSAX2AttributeDecl">xmlSAX2AttributeDecl</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * elem, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * fullname, <br> int type, <br> int def, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * defaultValue, <br> <a href="libxml2-tree.html#xmlEnumerationPtr">xmlEnumerationPtr</a> tree); void <a href="#xmlSAX2CDataBlock">xmlSAX2CDataBlock</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br> int len); void <a href="#xmlSAX2Characters">xmlSAX2Characters</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ch, <br> int len); void <a href="#xmlSAX2Comment">xmlSAX2Comment</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value); void <a href="#xmlSAX2ElementDecl">xmlSAX2ElementDecl</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> int type, <br> <a href="libxml2-tree.html#xmlElementContentPtr">xmlElementContentPtr</a> content); void <a href="#xmlSAX2EndDocument">xmlSAX2EndDocument</a> (void * ctx); void <a href="#xmlSAX2EndElement">xmlSAX2EndElement</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name); void <a href="#xmlSAX2EndElementNs">xmlSAX2EndElementNs</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * localname, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * prefix, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * URI); void <a href="#xmlSAX2EntityDecl">xmlSAX2EntityDecl</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> int type, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId, <br> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content); void <a href="#xmlSAX2ExternalSubset">xmlSAX2ExternalSubset</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ExternalID, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * SystemID); int <a href="#xmlSAX2GetColumnNumber">xmlSAX2GetColumnNumber</a> (void * ctx); <a href="libxml2-tree.html#xmlEntityPtr">xmlEntityPtr</a> <a href="#xmlSAX2GetEntity">xmlSAX2GetEntity</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name); int <a href="#xmlSAX2GetLineNumber">xmlSAX2GetLineNumber</a> (void * ctx); <a href="libxml2-tree.html#xmlEntityPtr">xmlEntityPtr</a> <a href="#xmlSAX2GetParameterEntity">xmlSAX2GetParameterEntity</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name); const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlSAX2GetPublicId">xmlSAX2GetPublicId</a> (void * ctx); const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * <a href="#xmlSAX2GetSystemId">xmlSAX2GetSystemId</a> (void * ctx); int <a href="#xmlSAX2HasExternalSubset">xmlSAX2HasExternalSubset</a> (void * ctx); int <a href="#xmlSAX2HasInternalSubset">xmlSAX2HasInternalSubset</a> (void * ctx); void <a href="#xmlSAX2IgnorableWhitespace">xmlSAX2IgnorableWhitespace</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ch, <br> int len); void <a href="#xmlSAX2InitDefaultSAXHandler">xmlSAX2InitDefaultSAXHandler</a> (<a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * hdlr, <br> int warning); void <a href="#xmlSAX2InitHtmlDefaultSAXHandler">xmlSAX2InitHtmlDefaultSAXHandler</a> (<a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * hdlr); void <a href="#xmlSAX2InternalSubset">xmlSAX2InternalSubset</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ExternalID, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * SystemID); int <a href="#xmlSAX2IsStandalone">xmlSAX2IsStandalone</a> (void * ctx); void <a href="#xmlSAX2NotationDecl">xmlSAX2NotationDecl</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId); void <a href="#xmlSAX2ProcessingInstruction">xmlSAX2ProcessingInstruction</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * target, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * data); void <a href="#xmlSAX2Reference">xmlSAX2Reference</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name); <a href="libxml2-tree.html#xmlParserInputPtr">xmlParserInputPtr</a> <a href="#xmlSAX2ResolveEntity">xmlSAX2ResolveEntity</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId); void <a href="#xmlSAX2SetDocumentLocator">xmlSAX2SetDocumentLocator</a> (void * ctx, <br> <a href="libxml2-tree.html#xmlSAXLocatorPtr">xmlSAXLocatorPtr</a> loc); void <a href="#xmlSAX2StartDocument">xmlSAX2StartDocument</a> (void * ctx); void <a href="#xmlSAX2StartElement">xmlSAX2StartElement</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * fullname, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** atts); void <a href="#xmlSAX2StartElementNs">xmlSAX2StartElementNs</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * localname, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * prefix, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * URI, <br> int nb_namespaces, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** namespaces, <br> int nb_attributes, <br> int nb_defaulted, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** attributes); void <a href="#xmlSAX2UnparsedEntityDecl">xmlSAX2UnparsedEntityDecl</a> (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * notationName); int <a href="#xmlSAXDefaultVersion">xmlSAXDefaultVersion</a> (int version); int <a href="#xmlSAXVersion">xmlSAXVersion</a> (<a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * hdlr, <br> int version); </pre> </div> <div class="refsect1" lang="en"><h2>Description</h2></div> <div class="refsect1" lang="en"> <h2>Details</h2> <div class="refsect2" lang="en"> <div class="refsect2" lang="en"> <h3> <a name="htmlDefaultSAXHandlerInit"></a>htmlDefaultSAXHandlerInit ()</h3> <pre class="programlisting">void htmlDefaultSAXHandlerInit (void)<br> </pre> <p>DEPRECATED: This function is a no-op. Call <a href="libxml2-parser.html#xmlInitParser">xmlInitParser</a> to initialize the library.</p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlDefaultSAXHandlerInit"></a>xmlDefaultSAXHandlerInit ()</h3> <pre class="programlisting">void xmlDefaultSAXHandlerInit (void)<br> </pre> <p>DEPRECATED: This function is a no-op. Call <a href="libxml2-parser.html#xmlInitParser">xmlInitParser</a> to initialize the library. Initialize the default SAX2 handler</p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2AttributeDecl"></a>xmlSAX2AttributeDecl ()</h3> <pre class="programlisting">void xmlSAX2AttributeDecl (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * elem, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * fullname, <br> int type, <br> int def, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * defaultValue, <br> <a href="libxml2-tree.html#xmlEnumerationPtr">xmlEnumerationPtr</a> tree)<br> </pre> <p>An attribute definition has been parsed</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>elem</tt></i>:</span></td> <td>the name of the element</td> </tr> <tr> <td><span class="term"><i><tt>fullname</tt></i>:</span></td> <td>the attribute name</td> </tr> <tr> <td><span class="term"><i><tt>type</tt></i>:</span></td> <td>the attribute type</td> </tr> <tr> <td><span class="term"><i><tt>def</tt></i>:</span></td> <td>the type of default value</td> </tr> <tr> <td><span class="term"><i><tt>defaultValue</tt></i>:</span></td> <td>the attribute default value</td> </tr> <tr> <td><span class="term"><i><tt>tree</tt></i>:</span></td> <td>the tree of enumerated value set</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2CDataBlock"></a>xmlSAX2CDataBlock ()</h3> <pre class="programlisting">void xmlSAX2CDataBlock (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value, <br> int len)<br> </pre> <p>called when a pcdata block has been parsed</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>value</tt></i>:</span></td> <td>The pcdata content</td> </tr> <tr> <td><span class="term"><i><tt>len</tt></i>:</span></td> <td>the block length</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2Characters"></a>xmlSAX2Characters ()</h3> <pre class="programlisting">void xmlSAX2Characters (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ch, <br> int len)<br> </pre> <p>receiving some chars from the parser.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>a <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> string</td> </tr> <tr> <td><span class="term"><i><tt>len</tt></i>:</span></td> <td>the number of <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2Comment"></a>xmlSAX2Comment ()</h3> <pre class="programlisting">void xmlSAX2Comment (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * value)<br> </pre> <p>A <a href="libxml2-SAX2.html#xmlSAX2Comment">xmlSAX2Comment</a> has been parsed.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>value</tt></i>:</span></td> <td>the <a href="libxml2-SAX2.html#xmlSAX2Comment">xmlSAX2Comment</a> content</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2ElementDecl"></a>xmlSAX2ElementDecl ()</h3> <pre class="programlisting">void xmlSAX2ElementDecl (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> int type, <br> <a href="libxml2-tree.html#xmlElementContentPtr">xmlElementContentPtr</a> content)<br> </pre> <p>An element definition has been parsed</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>the element name</td> </tr> <tr> <td><span class="term"><i><tt>type</tt></i>:</span></td> <td>the element type</td> </tr> <tr> <td><span class="term"><i><tt>content</tt></i>:</span></td> <td>the element value tree</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2EndDocument"></a>xmlSAX2EndDocument ()</h3> <pre class="programlisting">void xmlSAX2EndDocument (void * ctx)<br> </pre> <p>called when the document end has been detected.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2EndElement"></a>xmlSAX2EndElement ()</h3> <pre class="programlisting">void xmlSAX2EndElement (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name)<br> </pre> <p>DEPRECATED: Don't call this function directly. called when the end of an element has been detected. Used for HTML and SAX1.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>The element name</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2EndElementNs"></a>xmlSAX2EndElementNs ()</h3> <pre class="programlisting">void xmlSAX2EndElementNs (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * localname, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * prefix, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * URI)<br> </pre> <p>SAX2 callback when an element end has been detected by the parser. It provides the namespace information for the element.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>localname</tt></i>:</span></td> <td>the local name of the element</td> </tr> <tr> <td><span class="term"><i><tt>prefix</tt></i>:</span></td> <td>the element namespace prefix if available</td> </tr> <tr> <td><span class="term"><i><tt>URI</tt></i>:</span></td> <td>the element namespace name if available</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2EntityDecl"></a>xmlSAX2EntityDecl ()</h3> <pre class="programlisting">void xmlSAX2EntityDecl (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> int type, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId, <br> <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * content)<br> </pre> <p>An entity definition has been parsed</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>the entity name</td> </tr> <tr> <td><span class="term"><i><tt>type</tt></i>:</span></td> <td>the entity type</td> </tr> <tr> <td><span class="term"><i><tt>publicId</tt></i>:</span></td> <td>The public ID of the entity</td> </tr> <tr> <td><span class="term"><i><tt>systemId</tt></i>:</span></td> <td>The system ID of the entity</td> </tr> <tr> <td><span class="term"><i><tt>content</tt></i>:</span></td> <td>the entity value (without processing).</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2ExternalSubset"></a>xmlSAX2ExternalSubset ()</h3> <pre class="programlisting">void xmlSAX2ExternalSubset (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ExternalID, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * SystemID)<br> </pre> <p>Callback on external subset declaration.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>the root element name</td> </tr> <tr> <td><span class="term"><i><tt>ExternalID</tt></i>:</span></td> <td>the external ID</td> </tr> <tr> <td><span class="term"><i><tt>SystemID</tt></i>:</span></td> <td>the SYSTEM ID (e.g. filename or URL)</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2GetColumnNumber"></a>xmlSAX2GetColumnNumber ()</h3> <pre class="programlisting">int xmlSAX2GetColumnNumber (void * ctx)<br> </pre> <p>Provide the column number of the current parsing point.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>an int</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2GetEntity"></a>xmlSAX2GetEntity ()</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlEntityPtr">xmlEntityPtr</a> xmlSAX2GetEntity (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name)<br> </pre> <p>Get an entity by name</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>The entity name</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the <a href="libxml2-tree.html#xmlEntityPtr">xmlEntityPtr</a> if found.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2GetLineNumber"></a>xmlSAX2GetLineNumber ()</h3> <pre class="programlisting">int xmlSAX2GetLineNumber (void * ctx)<br> </pre> <p>Provide the line number of the current parsing point.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>an int</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2GetParameterEntity"></a>xmlSAX2GetParameterEntity ()</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlEntityPtr">xmlEntityPtr</a> xmlSAX2GetParameterEntity (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name)<br> </pre> <p>Get a parameter entity by name</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>The entity name</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the <a href="libxml2-tree.html#xmlEntityPtr">xmlEntityPtr</a> if found.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2GetPublicId"></a>xmlSAX2GetPublicId ()</h3> <pre class="programlisting">const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * xmlSAX2GetPublicId (void * ctx)<br> </pre> <p>Provides the public ID e.g. "-//SGMLSOURCE//DTD DEMO//EN"</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2GetSystemId"></a>xmlSAX2GetSystemId ()</h3> <pre class="programlisting">const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * xmlSAX2GetSystemId (void * ctx)<br> </pre> <p>Provides the system ID, basically URL or filename e.g. http://www.sgmlsource.com/dtds/memo.dtd</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> *</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2HasExternalSubset"></a>xmlSAX2HasExternalSubset ()</h3> <pre class="programlisting">int xmlSAX2HasExternalSubset (void * ctx)<br> </pre> <p>Does this document has an external subset</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if true</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2HasInternalSubset"></a>xmlSAX2HasInternalSubset ()</h3> <pre class="programlisting">int xmlSAX2HasInternalSubset (void * ctx)<br> </pre> <p>Does this document has an internal subset</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if true</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2IgnorableWhitespace"></a>xmlSAX2IgnorableWhitespace ()</h3> <pre class="programlisting">void xmlSAX2IgnorableWhitespace (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ch, <br> int len)<br> </pre> <p>receiving some ignorable whitespaces from the parser. UNUSED: by default the DOM building will use <a href="libxml2-SAX2.html#xmlSAX2Characters">xmlSAX2Characters</a></p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>ch</tt></i>:</span></td> <td>a <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> string</td> </tr> <tr> <td><span class="term"><i><tt>len</tt></i>:</span></td> <td>the number of <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> </td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2InitDefaultSAXHandler"></a>xmlSAX2InitDefaultSAXHandler ()</h3> <pre class="programlisting">void xmlSAX2InitDefaultSAXHandler (<a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * hdlr, <br> int warning)<br> </pre> <p>Initialize the default XML SAX2 handler</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>hdlr</tt></i>:</span></td> <td>the SAX handler</td> </tr> <tr> <td><span class="term"><i><tt>warning</tt></i>:</span></td> <td>flag if non-zero sets the handler warning procedure</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2InitHtmlDefaultSAXHandler"></a>xmlSAX2InitHtmlDefaultSAXHandler ()</h3> <pre class="programlisting">void xmlSAX2InitHtmlDefaultSAXHandler (<a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * hdlr)<br> </pre> <p>Initialize the default HTML SAX2 handler</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>hdlr</tt></i>:</span></td> <td>the SAX handler</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2InternalSubset"></a>xmlSAX2InternalSubset ()</h3> <pre class="programlisting">void xmlSAX2InternalSubset (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * ExternalID, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * SystemID)<br> </pre> <p>Callback on internal subset declaration.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>the root element name</td> </tr> <tr> <td><span class="term"><i><tt>ExternalID</tt></i>:</span></td> <td>the external ID</td> </tr> <tr> <td><span class="term"><i><tt>SystemID</tt></i>:</span></td> <td>the SYSTEM ID (e.g. filename or URL)</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2IsStandalone"></a>xmlSAX2IsStandalone ()</h3> <pre class="programlisting">int xmlSAX2IsStandalone (void * ctx)<br> </pre> <p>Is this document tagged standalone ?</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>1 if true</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2NotationDecl"></a>xmlSAX2NotationDecl ()</h3> <pre class="programlisting">void xmlSAX2NotationDecl (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId)<br> </pre> <p>What to do when a notation declaration has been parsed.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>The name of the notation</td> </tr> <tr> <td><span class="term"><i><tt>publicId</tt></i>:</span></td> <td>The public ID of the entity</td> </tr> <tr> <td><span class="term"><i><tt>systemId</tt></i>:</span></td> <td>The system ID of the entity</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2ProcessingInstruction"></a>xmlSAX2ProcessingInstruction ()</h3> <pre class="programlisting">void xmlSAX2ProcessingInstruction (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * target, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * data)<br> </pre> <p>A processing instruction has been parsed.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>target</tt></i>:</span></td> <td>the target name</td> </tr> <tr> <td><span class="term"><i><tt>data</tt></i>:</span></td> <td>the PI data's</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2Reference"></a>xmlSAX2Reference ()</h3> <pre class="programlisting">void xmlSAX2Reference (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name)<br> </pre> <p>called when an entity <a href="libxml2-SAX2.html#xmlSAX2Reference">xmlSAX2Reference</a> is detected.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>The entity name</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2ResolveEntity"></a>xmlSAX2ResolveEntity ()</h3> <pre class="programlisting"><a href="libxml2-tree.html#xmlParserInputPtr">xmlParserInputPtr</a> xmlSAX2ResolveEntity (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId)<br> </pre> <p>This is only used to load DTDs. The preferred way to install custom resolvers is <a href="libxml2-parser.html#xmlCtxtSetResourceLoader">xmlCtxtSetResourceLoader</a>.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>publicId</tt></i>:</span></td> <td>The public ID of the entity</td> </tr> <tr> <td><span class="term"><i><tt>systemId</tt></i>:</span></td> <td>The system ID of the entity</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>a parser input.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2SetDocumentLocator"></a>xmlSAX2SetDocumentLocator ()</h3> <pre class="programlisting">void xmlSAX2SetDocumentLocator (void * ctx, <br> <a href="libxml2-tree.html#xmlSAXLocatorPtr">xmlSAXLocatorPtr</a> loc)<br> </pre> <p>Receive the document locator at startup, actually xmlDefaultSAXLocator Everything is available on the context, so this is useless in our case.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>loc</tt></i>:</span></td> <td>A SAX Locator</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2StartDocument"></a>xmlSAX2StartDocument ()</h3> <pre class="programlisting">void xmlSAX2StartDocument (void * ctx)<br> </pre> <p>called when the document start being processed.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2StartElement"></a>xmlSAX2StartElement ()</h3> <pre class="programlisting">void xmlSAX2StartElement (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * fullname, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** atts)<br> </pre> <p>DEPRECATED: Don't call this function directly. Called when an opening tag has been processed. Used for HTML and SAX1.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>fullname</tt></i>:</span></td> <td>The element name, including namespace prefix</td> </tr> <tr> <td><span class="term"><i><tt>atts</tt></i>:</span></td> <td>An array of name/value attributes pairs, NULL terminated</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2StartElementNs"></a>xmlSAX2StartElementNs ()</h3> <pre class="programlisting">void xmlSAX2StartElementNs (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * localname, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * prefix, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * URI, <br> int nb_namespaces, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** namespaces, <br> int nb_attributes, <br> int nb_defaulted, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> ** attributes)<br> </pre> <p>SAX2 callback when an element start has been detected by the parser. It provides the namespace information for the element, as well as the new namespace declarations on the element.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>localname</tt></i>:</span></td> <td>the local name of the element</td> </tr> <tr> <td><span class="term"><i><tt>prefix</tt></i>:</span></td> <td>the element namespace prefix if available</td> </tr> <tr> <td><span class="term"><i><tt>URI</tt></i>:</span></td> <td>the element namespace name if available</td> </tr> <tr> <td><span class="term"><i><tt>nb_namespaces</tt></i>:</span></td> <td>number of namespace definitions on that node</td> </tr> <tr> <td><span class="term"><i><tt>namespaces</tt></i>:</span></td> <td>pointer to the array of prefix/URI pairs namespace definitions</td> </tr> <tr> <td><span class="term"><i><tt>nb_attributes</tt></i>:</span></td> <td>the number of attributes on that node</td> </tr> <tr> <td><span class="term"><i><tt>nb_defaulted</tt></i>:</span></td> <td>the number of defaulted attributes.</td> </tr> <tr> <td><span class="term"><i><tt>attributes</tt></i>:</span></td> <td>pointer to the array of (localname/prefix/URI/value/end) attribute values.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAX2UnparsedEntityDecl"></a>xmlSAX2UnparsedEntityDecl ()</h3> <pre class="programlisting">void xmlSAX2UnparsedEntityDecl (void * ctx, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * name, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * publicId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * systemId, <br> const <a href="libxml2-xmlstring.html#xmlChar">xmlChar</a> * notationName)<br> </pre> <p>What to do when an unparsed entity declaration is parsed</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the user data (XML parser context)</td> </tr> <tr> <td><span class="term"><i><tt>name</tt></i>:</span></td> <td>The name of the entity</td> </tr> <tr> <td><span class="term"><i><tt>publicId</tt></i>:</span></td> <td>The public ID of the entity</td> </tr> <tr> <td><span class="term"><i><tt>systemId</tt></i>:</span></td> <td>The system ID of the entity</td> </tr> <tr> <td><span class="term"><i><tt>notationName</tt></i>:</span></td> <td>the name of the notation</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAXDefaultVersion"></a>xmlSAXDefaultVersion ()</h3> <pre class="programlisting">int xmlSAXDefaultVersion (int version)<br> </pre> <p>DEPRECATED: Use parser option <a href="libxml2-parser.html#XML_PARSE_SAX1">XML_PARSE_SAX1</a>. Has no effect.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>version</tt></i>:</span></td> <td>the version, must be 2</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>2 in case of success and -1 in case of error.</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSAXVersion"></a>xmlSAXVersion ()</h3> <pre class="programlisting">int xmlSAXVersion (<a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * hdlr, <br> int version)<br> </pre> <p>Initialize the default XML SAX handler according to the version</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>hdlr</tt></i>:</span></td> <td>the SAX handler</td> </tr> <tr> <td><span class="term"><i><tt>version</tt></i>:</span></td> <td>the version, 1 or 2</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 in case of success and -1 in case of error.</td> </tr> </tbody> </table></div> </div> <hr> </div> </div> </body> </html>