Function xmlExcC14NVisibleNsStackFind

ThirdParty/libxml2/vtklibxml2/c14n.c:429–464

}

static int
xmlExcC14NVisibleNsStackFind(xmlC14NVisibleNsStackPtr cur, xmlNsPtr ns, xmlC14NCtxPtr ctx) {
    int i;
    const xmlChar *prefix;
    const xmlChar *href;
    int has_empty_ns;

    if(cur == NULL) {
        xmlC14NErrParam(ctx);
        return (0);
    }

    /*
     * if the default namespace xmlns="" is not defined yet then
     * we do not want to print it out
     */
    prefix = ((ns == NULL) || (ns->prefix == NULL)) ? BAD_CAST "" : ns->prefix;
    href = ((ns == NULL) || (ns->href == NULL)) ? BAD_CAST "" : ns->href;
    has_empty_ns = (xmlC14NStrEqual(prefix, NULL) && xmlC14NStrEqual(href, NULL));

    if (cur->nsTab != NULL) {
	int start = 0;
        for (i = cur->nsCurEnd - 1; i >= start; --i) {
            xmlNsPtr ns1 = cur->nsTab[i];

	    if(xmlC14NStrEqual(prefix, (ns1 != NULL) ? ns1->prefix : NULL)) {
		if(xmlC14NStrEqual(href, (ns1 != NULL) ? ns1->href : NULL)) {
		    return(xmlC14NIsVisible(ctx, ns1, cur->nodeTab[i]));
		} else {
		    return(0);
		}
	    }
        }
    }
    return(has_empty_ns);
}