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<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"> <title>schematron: XML Schematron implementation</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-schemasInternals.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-threads.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">schematron</span></h2> <p>schematron - XML Schematron implementation</p> <p>interface to the XML Schematron validity checking. </p> <p>Author(s): Daniel Veillard </p> <div class="refsynopsisdiv"> <h2>Synopsis</h2> <pre class="synopsis">typedef struct _xmlSchematron <a href="#xmlSchematron">xmlSchematron</a>; typedef struct _xmlSchematronParserCtxt <a href="#xmlSchematronParserCtxt">xmlSchematronParserCtxt</a>; typedef <a href="libxml2-schematron.html#xmlSchematronParserCtxt">xmlSchematronParserCtxt</a> * <a href="#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a>; typedef <a href="libxml2-schematron.html#xmlSchematron">xmlSchematron</a> * <a href="#xmlSchematronPtr">xmlSchematronPtr</a>; typedef struct _xmlSchematronValidCtxt <a href="#xmlSchematronValidCtxt">xmlSchematronValidCtxt</a>; typedef <a href="libxml2-schematron.html#xmlSchematronValidCtxt">xmlSchematronValidCtxt</a> * <a href="#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a>; typedef enum <a href="#xmlSchematronValidOptions">xmlSchematronValidOptions</a>; void <a href="#xmlSchematronFree">xmlSchematronFree</a> (<a href="libxml2-schematron.html#xmlSchematronPtr">xmlSchematronPtr</a> schema); void <a href="#xmlSchematronFreeParserCtxt">xmlSchematronFreeParserCtxt</a> (<a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> ctxt); void <a href="#xmlSchematronFreeValidCtxt">xmlSchematronFreeValidCtxt</a> (<a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> ctxt); <a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> <a href="#xmlSchematronNewDocParserCtxt">xmlSchematronNewDocParserCtxt</a> (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc); <a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> <a href="#xmlSchematronNewMemParserCtxt">xmlSchematronNewMemParserCtxt</a> (const char * buffer, <br> int size); <a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> <a href="#xmlSchematronNewParserCtxt">xmlSchematronNewParserCtxt</a> (const char * URL); <a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> <a href="#xmlSchematronNewValidCtxt">xmlSchematronNewValidCtxt</a> (<a href="libxml2-schematron.html#xmlSchematronPtr">xmlSchematronPtr</a> schema, <br> int options); <a href="libxml2-schematron.html#xmlSchematronPtr">xmlSchematronPtr</a> <a href="#xmlSchematronParse">xmlSchematronParse</a> (<a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> ctxt); void <a href="#xmlSchematronSetValidStructuredErrors">xmlSchematronSetValidStructuredErrors</a> (<a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> ctxt, <br> <a href="libxml2-xmlerror.html#xmlStructuredErrorFunc">xmlStructuredErrorFunc</a> serror, <br> void * ctx); int <a href="#xmlSchematronValidateDoc">xmlSchematronValidateDoc</a> (<a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> ctxt, <br> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> instance); typedef void <a href="#xmlSchematronValidityErrorFunc">xmlSchematronValidityErrorFunc</a> (void * ctx, <br> const char * msg, <br> ... ...); typedef void <a href="#xmlSchematronValidityWarningFunc">xmlSchematronValidityWarningFunc</a> (void * ctx, <br> const char * msg, <br> ... ...); </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="xmlSchematron">Structure </a>xmlSchematron</h3> <pre class="programlisting">struct _xmlSchematron { The content of this structure is not made public by the API. } xmlSchematron; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronParserCtxt">Structure </a>xmlSchematronParserCtxt</h3> <pre class="programlisting">struct _xmlSchematronParserCtxt { The content of this structure is not made public by the API. } xmlSchematronParserCtxt; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronParserCtxtPtr">Typedef </a>xmlSchematronParserCtxtPtr</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematronParserCtxt">xmlSchematronParserCtxt</a> * xmlSchematronParserCtxtPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronPtr">Typedef </a>xmlSchematronPtr</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematron">xmlSchematron</a> * xmlSchematronPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronValidCtxt">Structure </a>xmlSchematronValidCtxt</h3> <pre class="programlisting">struct _xmlSchematronValidCtxt { The content of this structure is not made public by the API. } xmlSchematronValidCtxt; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronValidCtxtPtr">Typedef </a>xmlSchematronValidCtxtPtr</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematronValidCtxt">xmlSchematronValidCtxt</a> * xmlSchematronValidCtxtPtr; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronValidOptions">Enum </a>xmlSchematronValidOptions</h3> <pre class="programlisting">enum <a href="#xmlSchematronValidOptions">xmlSchematronValidOptions</a> { <a name="XML_SCHEMATRON_OUT_QUIET">XML_SCHEMATRON_OUT_QUIET</a> = 1 /* quiet no report */ <a name="XML_SCHEMATRON_OUT_TEXT">XML_SCHEMATRON_OUT_TEXT</a> = 2 /* build a textual report */ <a name="XML_SCHEMATRON_OUT_XML">XML_SCHEMATRON_OUT_XML</a> = 4 /* output SVRL */ <a name="XML_SCHEMATRON_OUT_ERROR">XML_SCHEMATRON_OUT_ERROR</a> = 8 /* output via xmlStructuredErrorFunc */ <a name="XML_SCHEMATRON_OUT_FILE">XML_SCHEMATRON_OUT_FILE</a> = 256 /* output to a file descriptor */ <a name="XML_SCHEMATRON_OUT_BUFFER">XML_SCHEMATRON_OUT_BUFFER</a> = 512 /* output to a buffer */ <a name="XML_SCHEMATRON_OUT_IO">XML_SCHEMATRON_OUT_IO</a> = 1024 /* output to I/O mechanism */ }; </pre> <p></p> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronValidityErrorFunc"></a>Function type xmlSchematronValidityErrorFunc</h3> <pre class="programlisting">void xmlSchematronValidityErrorFunc (void * ctx, <br> const char * msg, <br> ... ...)<br> </pre> <p>Signature of an error callback from a Schematron validation</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 validation context</td> </tr> <tr> <td><span class="term"><i><tt>msg</tt></i>:</span></td> <td>the message</td> </tr> <tr> <td><span class="term"><i><tt>...</tt></i>:</span></td> <td>extra arguments</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronValidityWarningFunc"></a>Function type xmlSchematronValidityWarningFunc</h3> <pre class="programlisting">void xmlSchematronValidityWarningFunc (void * ctx, <br> const char * msg, <br> ... ...)<br> </pre> <p>Signature of a warning callback from a Schematron validation</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 validation context</td> </tr> <tr> <td><span class="term"><i><tt>msg</tt></i>:</span></td> <td>the message</td> </tr> <tr> <td><span class="term"><i><tt>...</tt></i>:</span></td> <td>extra arguments</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronFree"></a>xmlSchematronFree ()</h3> <pre class="programlisting">void xmlSchematronFree (<a href="libxml2-schematron.html#xmlSchematronPtr">xmlSchematronPtr</a> schema)<br> </pre> <p>Deallocate a Schematron structure.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>schema</tt></i>:</span></td> <td>a schema structure</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronFreeParserCtxt"></a>xmlSchematronFreeParserCtxt ()</h3> <pre class="programlisting">void xmlSchematronFreeParserCtxt (<a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> ctxt)<br> </pre> <p>Free the resources associated to the schema parser context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>the schema parser context</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronFreeValidCtxt"></a>xmlSchematronFreeValidCtxt ()</h3> <pre class="programlisting">void xmlSchematronFreeValidCtxt (<a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> ctxt)<br> </pre> <p>Free the resources associated to the schema validation context</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody><tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>the schema validation context</td> </tr></tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronNewDocParserCtxt"></a>xmlSchematronNewDocParserCtxt ()</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> xmlSchematronNewDocParserCtxt (<a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> doc)<br> </pre> <p>Create an XML Schematrons parse context for that document. NB. The document may be modified during the parsing process.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>doc</tt></i>:</span></td> <td>a preparsed document tree</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the parser context or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronNewMemParserCtxt"></a>xmlSchematronNewMemParserCtxt ()</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> xmlSchematronNewMemParserCtxt (const char * buffer, <br> int size)<br> </pre> <p>Create an XML Schematrons parse context for that memory buffer expected to contain an XML Schematrons file.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>buffer</tt></i>:</span></td> <td>a pointer to a char array containing the schemas</td> </tr> <tr> <td><span class="term"><i><tt>size</tt></i>:</span></td> <td>the size of the array</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the parser context or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronNewParserCtxt"></a>xmlSchematronNewParserCtxt ()</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> xmlSchematronNewParserCtxt (const char * URL)<br> </pre> <p>Create an XML Schematrons parse context for that file/resource expected to contain an XML Schematrons file.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>URL</tt></i>:</span></td> <td>the location of the schema</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the parser context or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronNewValidCtxt"></a>xmlSchematronNewValidCtxt ()</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> xmlSchematronNewValidCtxt (<a href="libxml2-schematron.html#xmlSchematronPtr">xmlSchematronPtr</a> schema, <br> int options)<br> </pre> <p>Create an XML Schematrons validation context based on the given schema.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>schema</tt></i>:</span></td> <td>a precompiled XML Schematrons</td> </tr> <tr> <td><span class="term"><i><tt>options</tt></i>:</span></td> <td>a set of <a href="libxml2-schematron.html#xmlSchematronValidOptions">xmlSchematronValidOptions</a> </td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the validation context or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronParse"></a>xmlSchematronParse ()</h3> <pre class="programlisting"><a href="libxml2-schematron.html#xmlSchematronPtr">xmlSchematronPtr</a> xmlSchematronParse (<a href="libxml2-schematron.html#xmlSchematronParserCtxtPtr">xmlSchematronParserCtxtPtr</a> ctxt)<br> </pre> <p>parse a schema definition resource and build an internal XML Schema structure which can be used to validate instances.</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a schema validation context</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>the internal XML Schematron structure built from the resource or NULL in case of error</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronSetValidStructuredErrors"></a>xmlSchematronSetValidStructuredErrors ()</h3> <pre class="programlisting">void xmlSchematronSetValidStructuredErrors (<a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> ctxt, <br> <a href="libxml2-xmlerror.html#xmlStructuredErrorFunc">xmlStructuredErrorFunc</a> serror, <br> void * ctx)<br> </pre> <p>Set the structured error callback</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>a Schematron validation context</td> </tr> <tr> <td><span class="term"><i><tt>serror</tt></i>:</span></td> <td>the structured error function</td> </tr> <tr> <td><span class="term"><i><tt>ctx</tt></i>:</span></td> <td>the functions context</td> </tr> </tbody> </table></div> </div> <hr> <div class="refsect2" lang="en"> <h3> <a name="xmlSchematronValidateDoc"></a>xmlSchematronValidateDoc ()</h3> <pre class="programlisting">int xmlSchematronValidateDoc (<a href="libxml2-schematron.html#xmlSchematronValidCtxtPtr">xmlSchematronValidCtxtPtr</a> ctxt, <br> <a href="libxml2-tree.html#xmlDocPtr">xmlDocPtr</a> instance)<br> </pre> <p>Validate a tree instance against the schematron</p> <div class="variablelist"><table border="0"> <col align="left"> <tbody> <tr> <td><span class="term"><i><tt>ctxt</tt></i>:</span></td> <td>the schema validation context</td> </tr> <tr> <td><span class="term"><i><tt>instance</tt></i>:</span></td> <td>the document instance tree</td> </tr> <tr> <td><span class="term"><i><tt>Returns</tt></i>:</span></td> <td>0 in case of success, -1 in case of internal error and an error count otherwise.</td> </tr> </tbody> </table></div> </div> <hr> </div> </div> </body> </html>