Thanks. I added - > > xbuf = xmlBufferCreate(); > > xmlNodePtr node = nodes->nodeTab[0]; sCtxt = xmlSaveToBuffer(xbuf,NULL,0); > > xmlSaveTree(sCtxt,node);
and I still get the same error. Curiously, now xmlElemDump() also doesnt work! -KK On 8/29/07, Lars Oppermann <[EMAIL PROTECTED]> wrote: > You are passing an uninitialized variable sCtxt to xmlSaveTree. I'd > suggest you take a look at the documentation on xmlSaveTo... functions, > e.g. > xmlSaveCtxtPtr xmlSaveToBuffer( > xmlBufferPtr buffer, > const char * encoding, > int options) > at http://www.xmlsoft.org/html/libxml-xmlsave.html > > Furthermore, when accessing the XPath query, you may want to use > xmlXPathNodeSetItem see > http://www.xmlsoft.org/html/libxml-xpath.html#xmlXPathNodeSetItem) and > do proper error checking (but you were going to add that later anyway, > weren't you? ;) > > HTH > Lars > > Krishna Kumar wrote: > > Hi, > > > > Am I using xmlSaveTree() properly in the following example? I am > > getting a "Internal error, no document" error on running this piece of > > code. > > > > Or is something else throwing that error? I am simply trying to > > extract a node and its decendants and storing them in a buffer, so i > > can use them in a string for later. BTW, the commented call to > > xmlElemDump() works. > > > > void SAMLAssertion::parse_assertion(const String &source) { > > > > XMLPlatformUtils::Initialize(); > > xmlDocPtr doc; > > xmlXPathContextPtr xpathCtx; > > xmlXPathObjectPtr xpathObj; > > > > xmlSaveCtxtPtr sCtxt; > > xmlBufferPtr xbuf; > > > > doc = xmlParseMemory(source.chars(), source.length()); > > > > xpathCtx = xmlXPathNewContext(doc); > > > > xmlXPathRegisterNs(xpathCtx, (const xmlChar* )"ds", (const > > xmlChar* )"http://www.w3.org/2000/09/xmldsig#";); > > xmlXPathRegisterNs(xpathCtx, (const xmlChar* )"saml", (const > > xmlChar* )"urn:oasis:names:tc:SAML:2.0:protocol"); > > > > xpathObj = xmlXPathEvalExpression((const xmlChar* > > )"/ds:SignedInfo/descendant-or-self::node()", xpathCtx); > > > > xmlNodeSetPtr nodes = xpathObj->nodesetval; > > > > xbuf = xmlBufferCreate(); > > xmlNodePtr node = nodes->nodeTab[0]; > > xmlSaveTree(sCtxt,node); > > //xmlElemDump(stdout,doc,nodes->nodeTab[0]); > > > > xmlSaveClose(sCtxt); > > xmlFreeDoc(doc); > > xmlBufferFree(xbuf); > > XMLPlatformUtils::Terminate(); > > > > } > > > > Thanks, > > Krishna Kumar > > _______________________________________________ > > xml mailing list, project page http://xmlsoft.org/ > > [email protected] > > http://mail.gnome.org/mailman/listinfo/xml > > _______________________________________________ xml mailing list, project page http://xmlsoft.org/ [email protected] http://mail.gnome.org/mailman/listinfo/xml
