if (xmlContent.length() == 0) {
return Sequence.EMPTY_SEQUENCE;
}
final StringReader reader = new StringReader(xmlContent);
final ValidationReport report = new ValidationReport();
final SAXAdapter adapter = new SAXAdapter(context);
try {
final SAXParserFactory factory = SAXParserFactory.newInstance();
factory.setNamespaceAware(true);
final InputSource src = new InputSource(reader);
XMLReader xr = null;
if (isCalledAs("parse-html")) {
try {
final Class<?> clazz = Class.forName( "org.cyberneko.html.parsers.SAXParser" );
xr = (XMLReader) clazz.newInstance();
//do not modify the case of elements and attributes
xr.setProperty("http://cyberneko.org/html/properties/names/elems", "match");
xr.setProperty("http://cyberneko.org/html/properties/names/attrs", "no-change");
} catch (final Exception e) {
logger.warn("Could not instantiate neko HTML parser for function util:parse-html, falling back to " +
"default XML parser.", e);
}
}
if (xr == null) {
final SAXParser parser = factory.newSAXParser();
xr = parser.getXMLReader();
}
xr.setErrorHandler(report);
xr.setContentHandler(adapter);
xr.setProperty(Namespaces.SAX_LEXICAL_HANDLER, adapter);
xr.parse(src);
} catch (final ParserConfigurationException e) {
throw new XPathException(this, ErrorCodes.EXXQDY0002, "Error while constructing XML parser: " + e.getMessage(), args[0], e);
} catch (final SAXException e) {
logger.debug("Error while parsing XML: " + e.getMessage(), e);
} catch (final IOException e) {
throw new XPathException(this, ErrorCodes.EXXQDY0002, "Error while parsing XML: " + e.getMessage(), args[0], e);
}
if (report.isValid())
{return (DocumentImpl) adapter.getDocument();}
else {
final MemTreeBuilder builder = context.getDocumentBuilder();
final NodeImpl result = Shared.writeReport(report, builder);
throw new XPathException(this, ErrorCodes.EXXQDY0002, report.toString(), result);
}