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</style><link rel="home" href="index.html" title="Gnome XML Library Reference Manual"><link rel="up" href="libxml-lib.html" title="Libxml Library Reference"><link rel="previous" href="libxml-xmlunicode.html" title="xmlunicode"><link rel="next" href="libxml-xmlschemastypes.html" title="xmlschemastypes"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation header" cellpadding="2" cellspacing="2"><tr valign="middle"><td><a accesskey="p" href="libxml-xmlunicode.html"><img src="left.png" width="24" height="24" border="0" alt="Prev"></img></a></td><td><a accesskey="u" href="libxml-lib.html"><img src="up.png" width="24" height="24" border="0" alt="Up"></img></a></td><td><a accesskey="h" href="index.html"><img src="home.png" width="24" height="24" border="0" alt="Home"></img></a></td><th width="100%" align="center">Gnome XML Library Reference Manual</th><td><a accesskey="n" href="libxml-xmlschemastypes.html"><img src="right.png" width="24" height="24" border="0" alt="Next"></img></a></td></tr></table><div class="refentry" lang="en"><a name="libxml-xmlschemas"></a><div class="titlepage"></div><div class="refnamediv"><h2>xmlschemas</h2><p>xmlschemas &#8212; </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis">
enum <a href="libxml-xmlschemas.html#xmlSchemaValidError">xmlSchemaValidError</a>;
struct <a href="libxml-xmlschemas.html#xmlSchema">xmlSchema</a>;
typedef <a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a>;
void (<a href="libxml-xmlschemas.html#xmlSchemaValidityErrorFunc">*xmlSchemaValidityErrorFunc</a>) (void *ctx,
const char *msg,
...);
void (<a href="libxml-xmlschemas.html#xmlSchemaValidityWarningFunc">*xmlSchemaValidityWarningFunc</a>) (void *ctx,
const char *msg,
...);
struct <a href="libxml-xmlschemas.html#xmlSchemaParserCtxt">xmlSchemaParserCtxt</a>;
typedef <a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a>;
struct <a href="libxml-xmlschemas.html#xmlSchemaValidCtxt">xmlSchemaValidCtxt</a>;
typedef <a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a>;
<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> <a href="libxml-xmlschemas.html#xmlSchemaNewParserCtxt">xmlSchemaNewParserCtxt</a>
(const char *URL);
<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> <a href="libxml-xmlschemas.html#xmlSchemaNewMemParserCtxt">xmlSchemaNewMemParserCtxt</a>
(const char *buffer,
int size);
void <a href="libxml-xmlschemas.html#xmlSchemaFreeParserCtxt">xmlSchemaFreeParserCtxt</a> (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt);
void <a href="libxml-xmlschemas.html#xmlSchemaSetParserErrors">xmlSchemaSetParserErrors</a> (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt,
<a href="libxml-xmlschemas.html#xmlSchemaValidityErrorFunc">xmlSchemaValidityErrorFunc</a> err,
<a href="libxml-xmlschemas.html#xmlSchemaValidityWarningFunc">xmlSchemaValidityWarningFunc</a> warn,
void *ctx);
<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> <a href="libxml-xmlschemas.html#xmlSchemaParse">xmlSchemaParse</a> (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt);
void <a href="libxml-xmlschemas.html#xmlSchemaFree">xmlSchemaFree</a> (<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);
void <a href="libxml-xmlschemas.html#xmlSchemaDump">xmlSchemaDump</a> (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *output,
<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);
void <a href="libxml-xmlschemas.html#xmlSchemaSetValidErrors">xmlSchemaSetValidErrors</a> (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
<a href="libxml-xmlschemas.html#xmlSchemaValidityErrorFunc">xmlSchemaValidityErrorFunc</a> err,
<a href="libxml-xmlschemas.html#xmlSchemaValidityWarningFunc">xmlSchemaValidityWarningFunc</a> warn,
void *ctx);
<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> <a href="libxml-xmlschemas.html#xmlSchemaNewValidCtxt">xmlSchemaNewValidCtxt</a> (<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);
void <a href="libxml-xmlschemas.html#xmlSchemaFreeValidCtxt">xmlSchemaFreeValidCtxt</a> (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt);
int <a href="libxml-xmlschemas.html#xmlSchemaValidateDoc">xmlSchemaValidateDoc</a> (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
<a href="libxml-tree.html#xmlDocPtr">xmlDocPtr</a> instance);
int <a href="libxml-xmlschemas.html#xmlSchemaValidateStream">xmlSchemaValidateStream</a> (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
<a href="libxml-tree.html#xmlParserInputBufferPtr">xmlParserInputBufferPtr</a> input,
<a href="libxml-encoding.html#xmlCharEncoding">xmlCharEncoding</a> enc,
<a href="libxml-tree.html#xmlSAXHandlerPtr">xmlSAXHandlerPtr</a> sax,
void *user_data);
</pre></div><div class="refsect1" lang="en"><h2>Description</h2><p>
</p></div><div class="refsect1" lang="en"><h2>Details</h2><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidError"></a>enum xmlSchemaValidError</h3><pre class="programlisting">typedef enum {
XML_SCHEMAS_ERR_OK = 0,
XML_SCHEMAS_ERR_NOROOT = 1,
XML_SCHEMAS_ERR_UNDECLAREDELEM,
XML_SCHEMAS_ERR_NOTTOPLEVEL,
XML_SCHEMAS_ERR_MISSING,
XML_SCHEMAS_ERR_WRONGELEM,
XML_SCHEMAS_ERR_NOTYPE,
XML_SCHEMAS_ERR_NOROLLBACK,
XML_SCHEMAS_ERR_ISABSTRACT,
XML_SCHEMAS_ERR_NOTEMPTY,
XML_SCHEMAS_ERR_ELEMCONT,
XML_SCHEMAS_ERR_HAVEDEFAULT,
XML_SCHEMAS_ERR_NOTNILLABLE,
XML_SCHEMAS_ERR_EXTRACONTENT,
XML_SCHEMAS_ERR_INVALIDATTR,
XML_SCHEMAS_ERR_INVALIDELEM,
XML_SCHEMAS_ERR_NOTDETERMINIST,
XML_SCHEMAS_ERR_CONSTRUCT,
XML_SCHEMAS_ERR_INTERNAL,
XML_SCHEMAS_ERR_NOTSIMPLE,
XML_SCHEMAS_ERR_ATTRUNKNOWN,
XML_SCHEMAS_ERR_ATTRINVALID,
XML_SCHEMAS_ERR_VALUE,
XML_SCHEMAS_ERR_FACET,
XML_SCHEMAS_ERR_,
XML_SCHEMAS_ERR_XXX
} xmlSchemaValidError;
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchema"></a>struct xmlSchema</h3><pre class="programlisting">struct xmlSchema {
xmlChar *name; /* schema name */
xmlChar *targetNamespace; /* the target namespace */
xmlChar *version;
xmlChar *id;
xmlDocPtr doc;
xmlSchemaAnnotPtr annot;
int flags;
xmlHashTablePtr typeDecl;
xmlHashTablePtr attrDecl;
xmlHashTablePtr attrgrpDecl;
xmlHashTablePtr elemDecl;
xmlHashTablePtr notaDecl;
xmlHashTablePtr schemasImports;
void *_private; /* unused by the library for users or bindings */
xmlHashTablePtr groupDecl;
};
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaPtr"></a>xmlSchemaPtr</h3><pre class="programlisting">typedef xmlSchema *xmlSchemaPtr;
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidityErrorFunc"></a>xmlSchemaValidityErrorFunc ()</h3><pre class="programlisting">void (*xmlSchemaValidityErrorFunc) (void *ctx,
const char *msg,
...);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctx</tt></i> :</span></td><td>
</td></tr><tr><td><span class="term"><i><tt>msg</tt></i> :</span></td><td>
</td></tr><tr><td><span class="term"><i><tt>...</tt></i> :</span></td><td>
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidityWarningFunc"></a>xmlSchemaValidityWarningFunc ()</h3><pre class="programlisting">void (*xmlSchemaValidityWarningFunc) (void *ctx,
const char *msg,
...);</pre><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>ctx</tt></i> :</span></td><td>
</td></tr><tr><td><span class="term"><i><tt>msg</tt></i> :</span></td><td>
</td></tr><tr><td><span class="term"><i><tt>...</tt></i> :</span></td><td>
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaParserCtxt"></a>struct xmlSchemaParserCtxt</h3><pre class="programlisting">struct xmlSchemaParserCtxt;</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaParserCtxtPtr"></a>xmlSchemaParserCtxtPtr</h3><pre class="programlisting">typedef xmlSchemaParserCtxt *xmlSchemaParserCtxtPtr;
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidCtxt"></a>struct xmlSchemaValidCtxt</h3><pre class="programlisting">struct xmlSchemaValidCtxt;</pre><p>
A Schemas validation context</p><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidCtxtPtr"></a>xmlSchemaValidCtxtPtr</h3><pre class="programlisting">typedef xmlSchemaValidCtxt *xmlSchemaValidCtxtPtr;
</pre><p>
</p></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaNewParserCtxt"></a>xmlSchemaNewParserCtxt ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> xmlSchemaNewParserCtxt
(const char *URL);</pre><p>
Create an XML Schemas parse context for that file/resource expected
to contain an XML Schemas file.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the parser context or NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaNewMemParserCtxt"></a>xmlSchemaNewMemParserCtxt ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> xmlSchemaNewMemParserCtxt
(const char *buffer,
int size);</pre><p>
Create an XML Schemas parse context for that memory buffer expected
to contain an XML Schemas file.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the parser context or NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaFreeParserCtxt"></a>xmlSchemaFreeParserCtxt ()</h3><pre class="programlisting">void xmlSchemaFreeParserCtxt (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt);</pre><p>
Free the resources associated to the schema parser context</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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 xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaSetParserErrors"></a>xmlSchemaSetParserErrors ()</h3><pre class="programlisting">void xmlSchemaSetParserErrors (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt,
<a href="libxml-xmlschemas.html#xmlSchemaValidityErrorFunc">xmlSchemaValidityErrorFunc</a> err,
<a href="libxml-xmlschemas.html#xmlSchemaValidityWarningFunc">xmlSchemaValidityWarningFunc</a> warn,
void *ctx);</pre><p>
Set the callback functions used to handle errors for a validation context</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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>err</tt></i> :</span></td><td> the error callback
</td></tr><tr><td><span class="term"><i><tt>warn</tt></i> :</span></td><td> the warning callback
</td></tr><tr><td><span class="term"><i><tt>ctx</tt></i> :</span></td><td> contextual data for the callbacks
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaParse"></a>xmlSchemaParse ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> xmlSchemaParse (<a href="libxml-xmlschemas.html#xmlSchemaParserCtxtPtr">xmlSchemaParserCtxtPtr</a> ctxt);</pre><p>
parse a schema definition resource and build an internal
XML Shema struture which can be used to validate instances.
*WARNING* this interface is highly subject to change</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the internal XML Schema structure built from the resource or
NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaFree"></a>xmlSchemaFree ()</h3><pre class="programlisting">void xmlSchemaFree (<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);</pre><p>
Deallocate a Schema structure.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td> a schema structure
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaDump"></a>xmlSchemaDump ()</h3><pre class="programlisting">void xmlSchemaDump (<GTKDOCLINK xmlns="http://www.w3.org/TR/xhtml1/transitional" HREF="FILE-CAPS">FILE</GTKDOCLINK> *output,
<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);</pre><p>
Dump a Schema structure.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>output</tt></i> :</span></td><td> the file output
</td></tr><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td> a schema structure
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaSetValidErrors"></a>xmlSchemaSetValidErrors ()</h3><pre class="programlisting">void xmlSchemaSetValidErrors (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
<a href="libxml-xmlschemas.html#xmlSchemaValidityErrorFunc">xmlSchemaValidityErrorFunc</a> err,
<a href="libxml-xmlschemas.html#xmlSchemaValidityWarningFunc">xmlSchemaValidityWarningFunc</a> warn,
void *ctx);</pre><p>
Set the error and warning callback informations</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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>err</tt></i> :</span></td><td> the error function
</td></tr><tr><td><span class="term"><i><tt>warn</tt></i> :</span></td><td> the warning 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 xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaNewValidCtxt"></a>xmlSchemaNewValidCtxt ()</h3><pre class="programlisting"><a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> xmlSchemaNewValidCtxt (<a href="libxml-xmlschemas.html#xmlSchemaPtr">xmlSchemaPtr</a> schema);</pre><p>
Create an XML Schemas validation context based on the given schema</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><tbody><tr><td><span class="term"><i><tt>schema</tt></i> :</span></td><td> a precompiled XML Schemas
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>the validation context or NULL in case of error
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaFreeValidCtxt"></a>xmlSchemaFreeValidCtxt ()</h3><pre class="programlisting">void xmlSchemaFreeValidCtxt (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt);</pre><p>
Free the resources associated to the schema validation context</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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 xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidateDoc"></a>xmlSchemaValidateDoc ()</h3><pre class="programlisting">int xmlSchemaValidateDoc (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
<a href="libxml-tree.html#xmlDocPtr">xmlDocPtr</a> instance);</pre><p>
Validate a document tree in memory.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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>instance</tt></i> :</span></td><td>
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 if the document is schemas valid, a positive error code
number otherwise and -1 in case of internal or API error.
</td></tr></tbody></table></div></div><hr xmlns="http://www.w3.org/TR/xhtml1/transitional"></hr><div class="refsect2" lang="en"><h3><a name="xmlSchemaValidateStream"></a>xmlSchemaValidateStream ()</h3><pre class="programlisting">int xmlSchemaValidateStream (<a href="libxml-xmlschemas.html#xmlSchemaValidCtxtPtr">xmlSchemaValidCtxtPtr</a> ctxt,
<a href="libxml-tree.html#xmlParserInputBufferPtr">xmlParserInputBufferPtr</a> input,
<a href="libxml-encoding.html#xmlCharEncoding">xmlCharEncoding</a> enc,
<a href="libxml-tree.html#xmlSAXHandlerPtr">xmlSAXHandlerPtr</a> sax,
void *user_data);</pre><p>
Validate a document tree in memory.</p><p>
</p><div class="variablelist"><table border="0"><col align="left" valign="top"><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>input</tt></i> :</span></td><td> the input to use for reading the data
</td></tr><tr><td><span class="term"><i><tt>enc</tt></i> :</span></td><td> an optional encoding information
</td></tr><tr><td><span class="term"><i><tt>sax</tt></i> :</span></td><td> a SAX handler for the resulting events
</td></tr><tr><td><span class="term"><i><tt>user_data</tt></i> :</span></td><td> the context to provide to the SAX handler.
</td></tr><tr><td><span class="term"><span class="emphasis"><em>Returns</em></span> :</span></td><td>0 if the document is schemas valid, a positive error code
number otherwise and -1 in case of internal or API error.
</td></tr></tbody></table></div></div></div></div><table xmlns="http://www.w3.org/TR/xhtml1/transitional" class="navigation" width="100%" summary="Navigation footer" cellpadding="2" cellspacing="0"><tr valign="middle"><td align="left"><a accesskey="p" href="libxml-xmlunicode.html"><b>&lt;&lt; xmlunicode</b></a></td><td align="right"><a accesskey="n" href="libxml-xmlschemastypes.html"><b>xmlschemastypes &gt;&gt;</b></a></td></tr></table></body></html>