If you remove the setParserLiason statement, how do you expect xalan to traverse the xerces tree? Try removing namespaces and then try to evaluate the expression. If it does, then we have a problem.
[above suggestion is valid only if I am on the same page as you] On 4/15/05 5:51 PM, "Nacho Conde" <[EMAIL PROTECTED]> wrote: > Maybe i not explained me correctly, > in SerializeNodeSet sample > 1. change the XalanSourcetreeParseLiaison by XercesparseLiaison and > XalanSourceTreeDomSupport by XercesDOMSupport > 2. remove the line theDOMSupport.setParserLiaison(&Liaison) > 3. evaluate this expresion /foo:doc/foo:name[1] > the result is No nodes matched the location path /foo:doc/foo:name[1] > and now if you undo the changes, and evalute the same expresion with > XalanSourceTreeParseLiason the result is ok... > Can someone help me? > > Nacho Conde wrote: > >> Sorry, here a code sample : >> the code of evaluator: >> >> XObjectPtr xobject(theEvaluator.evaluate( >> theXercesDomSupport, >> theDocument.getDocumentElement(), >> XalanDOMString(xpathExpresion).c_str(), >> theDocument.getDocumentElement())); >> >> the xpath expresion >> /rdf:RDF/rdf:Description/prf:component >> >> the sample of xml >> <?xml version="1.0" encoding="UTF-8" standalone="no" ?><rdf:RDF >> xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"; >> xmlns:prf="http://www.openmobilealliance.org/tech/profiles/UAPROF/ccppschema- >> 20021212#" >> xmlns:mms="http://www.wapforum.org/profiles/MMS/ccppschema-20010111#"; >> xmlns:tme="http://www.tsm.inet/ccppschematme-AAAAMMDD#";> >> <rdf:Description id="10000000"> >> <prf:component> >> <rdf:Description id="BrowserUA"> >> <prf:BrowserName/> >> <prf:BrowserVersion/> >> </rdf:Description> >> </prf:component></rdf:Description> >> </rdf:RDF> >> >> this expresion works ok, whit XalanSourcetreeParserliaison, but when >> i use XercesParserLiaison dont work.. >> the evalute method can�t see the namespaces, i think... >> >> [EMAIL PROTECTED] wrote: >> >>>> Hi, i have a problem with XercesparerLiaison >>>> if i use it, for parse a xml document the xpath expresion than i >>>> evaluate don�t work, the error is: "prefix must resolver to a >>>> namespace" but if i use XalanSourceTreeParserLiaison with he same >>>> document and the same xpath expresion the evaluation works fine..., >>>> i need use XercesParserLiaison for use the method mapToXercesDocument, >>>> >>>> >>> >>> You need to provide a complete, _minimal_ code sample along with a sample >>> input document and XPath expression for anyone to help you. >>> >>> If you are constucting a Xerces DOM instance programmatically, you must >>> make sure you are creating a namespace-aware DOM. If you are parsing to a >>> Xerces DOM instance, you need to make sure the parser you're using is >>> properly configured for namespace processing. >>> >>> Dave >>> >>> __________ NOD32 1.1041 (20050330) Information __________ >>> >>> This message was checked by NOD32 antivirus system. >>> http://www.nod32.com >>> >>> >>> >>> >>> >> >> >> >> __________ NOD32 1.1041 (20050330) Information __________ >> >> This message was checked by NOD32 antivirus system. >> http://www.nod32.com > >
