Function xmlSAX2AttributeNs

ThirdParty/libxml2/vtklibxml2/SAX2.c:1828–2044

* xmlSAX2AttributeNs: * @ctx: the user data (XML parser context) * @localname: the local name of the attribute * @prefix: the attribute namespace prefix if available * @URI: the attribute namespace name if available * @value: Start of the attribute value * @valueend: end of the attribute value * * Handle an attribute that has been read by the parser. * The default handling is to conve

 * Returns the new attribute or NULL in case of error.
 */
static xmlAttrPtr
xmlSAX2AttributeNs(xmlParserCtxtPtr ctxt,
                   const xmlChar * localname,
                   const xmlChar * prefix,
		   const xmlChar * value,
		   const xmlChar * valueend)
{
    xmlAttrPtr ret;
    xmlNsPtr namespace = NULL;
    xmlChar *dup = NULL;

    /*
     * Note: if prefix == NULL, the attribute is not in the default namespace
     */
    if (prefix != NULL) {
	namespace = xmlParserNsLookupSax(ctxt, prefix);
	if ((namespace == NULL) && (xmlStrEqual(prefix, BAD_CAST "xml"))) {
            int res;

	    res = xmlSearchNsSafe(ctxt->node, prefix, &namespace);
            if (res < 0)
                xmlSAX2ErrMemory(ctxt);
	}
    }

    /*
     * allocate the node
     */
    if (ctxt->freeAttrs != NULL) {
        ret = ctxt->freeAttrs;
	ctxt->freeAttrs = ret->next;
	ctxt->freeAttrsNr--;
    } else {
        ret = xmlMalloc(sizeof(*ret));
        if (ret == NULL) {
            xmlSAX2ErrMemory(ctxt);
            return(NULL);
        }
    }

    memset(ret, 0, sizeof(xmlAttr));
    ret->type = XML_ATTRIBUTE_NODE;

    /*
     * xmlParseBalancedChunkMemoryRecover had a bug that could result in
     * a mismatch between ctxt->node->doc and ctxt->myDoc. We use
     * ctxt->node->doc here, but we should somehow make sure that the
     * document pointers match.
     */

    /* assert(ctxt->node->doc == ctxt->myDoc); */

    ret->parent = ctxt->node;
    ret->doc = ctxt->node->doc;
    ret->ns = namespace;

    if (ctxt->dictNames) {
        ret->name = localname;