Function xmlGetPropNodeInternal

ThirdParty/libxml2/vtklibxml2/tree.c:6528–6657

#endif /* LIBXML_TREE_ENABLED */

static xmlAttrPtr
xmlGetPropNodeInternal(const xmlNode *node, const xmlChar *name,
		       const xmlChar *nsName, int useDTD)
{
    xmlAttrPtr prop;

    /* Avoid unused variable warning if features are disabled. */
    (void) useDTD;

    if ((node == NULL) || (node->type != XML_ELEMENT_NODE) || (name == NULL))
	return(NULL);

    if (node->properties != NULL) {
	prop = node->properties;
	if (nsName == NULL) {
	    /*
	    * We want the attr to be in no namespace.
	    */
	    do {
		if ((prop->ns == NULL) && xmlStrEqual(prop->name, name)) {
		    return(prop);
		}
		prop = prop->next;
	    } while (prop != NULL);
	} else {
	    /*
	    * We want the attr to be in the specified namespace.
	    */
	    do {
		if ((prop->ns != NULL) && xmlStrEqual(prop->name, name) &&
		    ((prop->ns->href == nsName) ||
		     xmlStrEqual(prop->ns->href, nsName)))
		{
		    return(prop);
		}
		prop = prop->next;
	    } while (prop != NULL);
	}
    }

#ifdef LIBXML_TREE_ENABLED
    if (! useDTD)
	return(NULL);
    /*
     * Check if there is a default/fixed attribute declaration in
     * the internal or external subset.
     */
    if ((node->doc != NULL) && (node->doc->intSubset != NULL)) {
	xmlDocPtr doc = node->doc;
	xmlAttributePtr attrDecl = NULL;
	xmlChar *elemQName, *tmpstr = NULL;

	/*
	* We need the QName of the element for the DTD-lookup.
	*/
	if ((node->ns != NULL) && (node->ns->prefix != NULL)) {
	    tmpstr = xmlStrdup(node->ns->prefix);
	    if (tmpstr == NULL)