libxml2-sax2.html

xml开源解析代码.版本为libxml2-2.6.29,可支持GB3212.网络消息发送XML时很有用.

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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2HasExternalSubset"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2HasInternalSubset"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2IgnorableWhitespace"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2InitDefaultSAXHandler"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2InitDocbDefaultSAXHandler"/>xmlSAX2InitDocbDefaultSAXHandler ()</h3><pre class="programlisting">void	xmlSAX2InitDocbDefaultSAXHandler	(<a href="libxml2-tree.html#xmlSAXHandler">xmlSAXHandler</a> * hdlr)<br/>
</pre><p>Initialize the default DocBook 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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2InitHtmlDefaultSAXHandler"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2InternalSubset"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2IsStandalone"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2NotationDecl"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2ProcessingInstruction"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2Reference"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2ResolveEntity"/>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>The entity loader, to control the loading of external entities, the application can either: - override this xmlSAX2ResolveEntity() callback in the SAX block - or better use the xmlSetExternalEntityLoader() function to set up it's own entity resolution routine</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>the <a href="libxml2-tree.html#xmlParserInputPtr">xmlParserInputPtr</a> if inlined or NULL for DOM behaviour.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2SetDocumentLocator"/>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 <a href="libxml2-globals.html#xmlDefaultSAXLocator">xmlDefaultSAXLocator</a> 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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2StartDocument"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2StartElement"/>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>called when an opening tag has been 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><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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2StartElementNs"/>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 informations 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) <a href="libxml2-SAX.html#attribute">attribute</a> values.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAX2UnparsedEntityDecl"/>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>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAXDefaultVersion"/>xmlSAXDefaultVersion ()</h3><pre class="programlisting">int	xmlSAXDefaultVersion		(int version)<br/>
</pre><p>Set the default version of SAX used globally by the library. By default, during initialization the default is set to 2. Note that it is generally a better coding style to use xmlSAXVersion() to set up the version explicitly for a given parsing context.</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, 1 or 2</td></tr><tr><td><span class="term"><i><tt>Returns</tt></i>:</span></td><td>the previous value in case of success and -1 in case of error.</td></tr></tbody></table></div></div>
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        <div class="refsect2" lang="en"><h3><a name="xmlSAXVersion"/>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>
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