// FIXME: This code is taken from libexslt 1.1.11; should sync with newer
// versions.
static void exsltNodeSetFunction(xmlXPathParserContextPtr ctxt, int nargs)
{
xmlChar* strval;
xmlNodePtr retNode;
xmlXPathObjectPtr ret;
if (nargs != 1) {
xmlXPathSetArityError(ctxt);
return;
}
if (xmlXPathStackIsNodeSet(ctxt)) {
xsltFunctionNodeSet(ctxt, nargs);
return;
}
strval = xmlXPathPopString(ctxt);
retNode = xmlNewDocText(0, strval);
ret = xmlXPathNewValueTree(retNode);
// FIXME: It might be helpful to push any errors from xmlXPathNewValueTree
// up to the Javascript Console.
if (ret)
ret->type = XPATH_NODESET;
if (strval)
xmlFree(strval);
valuePush(ctxt, ret);
}
// FIXME: This code is taken from libexslt 1.1.11; should sync with newer versions.
static void exsltNodeSetFunction(xmlXPathParserContextPtr ctxt, int nargs)
{
xmlChar *strval;
xmlNodePtr retNode;
xmlXPathObjectPtr ret;
if (nargs != 1) {
xmlXPathSetArityError(ctxt);
return;
}
if (xmlXPathStackIsNodeSet(ctxt)) {
xsltFunctionNodeSet(ctxt, nargs);
return;
}
strval = xmlXPathPopString(ctxt);
retNode = xmlNewDocText(NULL, strval);
ret = xmlXPathNewValueTree(retNode);
if (ret == NULL) {
xsltGenericError(xsltGenericErrorContext,
"exsltNodeSetFunction: ret == NULL\n");
} else {
ret->type = XPATH_NODESET;
}
if (strval != NULL)
xmlFree(strval);
valuePush(ctxt, ret);
}
static void
exsltNodeSetFunction (xmlXPathParserContextPtr ctxt, int nargs) {
if (nargs != 1) {
xmlXPathSetArityError(ctxt);
return;
}
if (xmlXPathStackIsNodeSet (ctxt)) {
xsltFunctionNodeSet (ctxt, nargs);
return;
} else {
xmlDocPtr fragment;
xsltTransformContextPtr tctxt = xsltXPathGetTransformContext(ctxt);
xmlNodePtr txt;
xmlChar *strval;
xmlXPathObjectPtr obj;
/*
* SPEC EXSLT:
* "You can also use this function to turn a string into a text
* node, which is helpful if you want to pass a string to a
* function that only accepts a node-set."
*/
fragment = xsltCreateRVT(tctxt);
if (fragment == NULL) {
xsltTransformError(tctxt, NULL, tctxt->inst,
"exsltNodeSetFunction: Failed to create a tree fragment.\n");
tctxt->state = XSLT_STATE_STOPPED;
return;
}
xsltRegisterLocalRVT(tctxt, fragment);
strval = xmlXPathPopString (ctxt);
txt = xmlNewDocText (fragment, strval);
xmlAddChild((xmlNodePtr) fragment, txt);
obj = xmlXPathNewNodeSet(txt);
if (obj == NULL) {
xsltTransformError(tctxt, NULL, tctxt->inst,
"exsltNodeSetFunction: Failed to create a node set object.\n");
tctxt->state = XSLT_STATE_STOPPED;
} else {
/*
* Mark it as a function result in order to avoid garbage
* collecting of tree fragments
*/
xsltExtensionInstructionResultRegister(tctxt, obj);
}
if (strval != NULL)
xmlFree (strval);
valuePush (ctxt, obj);
}
}