Hi Rafal,
Xerces-C++ can only validate a document while loading it from its
serialized format, it doesn't validate existing DOM trees.
Alberto
At 08.54 03/04/2007 -0700, Rafal Tenerowicz wrote:
Hi,
Im developing a project using xerces.
I would like to use xerces for validating the DOM object created at
run time (and not read from the file) agains xsd.
I have a problem with setting DOMConfiguration that I retrieve from
Document. I can set the validation flag to true, myErrorHandler but
for some reason ?? I cannot set the "schema-type" and
"schema-location". I get an error NOT_SUPPORTED_ERR, but I don't
know why the feature cannot be set.
I set the "validation" & ErrorHandler before I call set for
"schema-type" and "schema-location". What could be the reason for this problem?
How can I find out what is the problem - can I look at some Error
object, that would be populated when the function set setParameter is called?
If sb would have a piece of code that actually is doing the
validation of DOm against xsd I would be grateful.
Simplified code below
thanks in advance
Rafal
static const XMLCh gLS[] = { chLatin_L, chLatin_S, chNull };
DOMImplementation *impl =
DOMImplementationRegistry::getDOMImplementation(gLS);
DOMBuilder *parser =
impl->createDOMBuilder(DOMImplementationLS::MODE_SYNCHRONOUS, NULL);
parser->setFeature(XMLUni::fgDOMNamespaces, true);
parser->setFeature(XMLUni::fgXercesSchema, true);
parser->setFeature(XMLUni::fgXercesSchemaFullChecking, true);
parser->setFeature(XMLUni::fgDOMValidateIfSchema, true);
parser->setFeature(XMLUni::fgDOMDatatypeNormalization, true);
DOMCountErrorHandler errorHandler;
parser->setErrorHandler(&errorHandler);
doc = parser->parseURI(X("shiporder.xml"));
DOMWriter *theSerializer =
((DOMImplementationLS*)impl)->createDOMWriter();
DOMErrorHandler *myErrorHandler = new DOMPrintErrorHandler();
theSerializer->setErrorHandler(myErrorHandler);
// set feature if the serializer supports the feature/mode
if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTSplitCdataSections, false))
theSerializer->setFeature(XMLUni::fgDOMWRTSplitCdataSections, false);
if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTDiscardDefaultContent, false))
theSerializer->setFeature(XMLUni::fgDOMWRTDiscardDefaultContent, false);
if
(theSerializer->canSetFeature(XMLUni::fgDOMWRTFormatPrettyPrint, false))
theSerializer->setFeature(XMLUni::fgDOMWRTFormatPrettyPrint, false);
if (theSerializer->canSetFeature(XMLUni::fgDOMWRTBOM, false))
theSerializer->setFeature(XMLUni::fgDOMWRTBOM, false);
if
(theSerializer->canSetFeature(XMLUni::fgDOMValidateIfSchema, true))
theSerializer->setFeature(XMLUni::fgDOMValidateIfSchema, true);
DOMString strSchemaType =
"<http://www.w3.org/2001/XMLSchema>http://www.w3.org/2001/XMLSchema";;
DOMString strSchemaLocation = "shiporder.xsd";
if(config->canSetParameter(X("validate"), (void*)true))
config->setParameter(X("validate"), (void*)true);
if (config->canSetParameter(X("schema-type"),NULL))
config->setParameter(X("schema-type"),NULL);
if (config->canSetParameter(X("schema-type"),(void*)&strSchemaType))
config->setParameter(X("schema-type"),(void*)&strSchemaType);
if
(config->canSetParameter(X("schema-location"),(void*)&strSchemaLocation))
config->setParameter(X("schema-location"),(void*)&strSchemaLocation);
XMLFormatTarget *myFormTarget;
if (goutputfile)
myFormTarget = new LocalFileFormatTarget("test.xml");
else
myFormTarget = new StdOutFormatTarget();
doc->normalizeDocument();
theSerializer->writeNode(myFormTarget, *doc);
...
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