Maxime Vinci created XERCESC-2127:
-------------------------------------
Summary: XPath: XPath_TokenNotSupported thrown when evaluating
correct [28] ExprToken
Key: XERCESC-2127
URL: https://issues.apache.org/jira/browse/XERCESC-2127
Project: Xerces-C++
Issue Type: Bug
Components: DOM, Validating Parser (XML Schema)
Affects Versions: 3.2.0
Reporter: Maxime Vinci
The following code:
{code:java}
std::unique_ptr<XercesDOMParser> parser(new XercesDOMParser());
/** init **/
DOMDocument *doc = (*parser).getDocument();
XMLCh* xpathStr=XMLString::transcode("/root/foo[@id=\"123\"]");
DOMElement* root = doc->getDocumentElement();
try
{
DOMXPathNSResolver* resolver=doc->createNSResolver(root);
DOMXPathResult* result=doc->evaluate(
xpathStr,
root,
resolver,
DOMXPathResult::ORDERED_NODE_SNAPSHOT_TYPE,
NULL);
result->release();
resolver->release();
}
catch(const DOMXPathException& e)
{
XERCES_STD_QUALIFIER cerr << "Error:"
<< XERCES_STD_QUALIFIER endl
<< StrX(e.getMessage()) << XERCES_STD_QUALIFIER
endl;
}
{code}
Results in an exception *XPath_TokenNotSupported* being thrown from
*XPathScannerForSchema::addToken*. The latest being called in
*XPathScanner::scanExpression*.
The *XPathScannerForSchema* object is created in *XercesXPath::parseExpression*.
I don't know if this is an unwanted behavior as the XPath expression is valid
according to [https://www.w3.org/TR/xpath/#path-abbrev] or if the XPath parsing
ins't fully implemented and this syntax isn't supported yet (therefore this
issue should rather be an improvement request). Anyway this is a bit annoying.
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