Function xmlXPathCacheObjectCopy

ThirdParty/libxml2/vtklibxml2/xpath.c:1940–1975

* xmlXPathCacheObjectCopy: * @pctxt the XPath context * @val: the original object * * This is the cached version of xmlXPathObjectCopy(). * Acquire a copy of a given object * * Returns a created or reused created object. */

 * Returns a created or reused created object.
 */
static xmlXPathObjectPtr
xmlXPathCacheObjectCopy(xmlXPathParserContextPtr pctxt, xmlXPathObjectPtr val)
{
    xmlXPathObjectPtr ret;
    xmlXPathContextPtr ctxt = pctxt->context;

    if (val == NULL)
	return(NULL);

    if ((ctxt != NULL) && (ctxt->cache != NULL)) {
	switch (val->type) {
            case XPATH_NODESET: {
                xmlNodeSetPtr set;

                set = xmlXPathNodeSetMerge(NULL, val->nodesetval);
                if (set == NULL) {
                    xmlXPathPErrMemory(pctxt);
                    return(NULL);
                }
                return(xmlXPathCacheWrapNodeSet(pctxt, set));
            }
	    case XPATH_STRING:
		return(xmlXPathCacheNewString(pctxt, val->stringval));
	    case XPATH_BOOLEAN:
		return(xmlXPathCacheNewBoolean(pctxt, val->boolval));
	    case XPATH_NUMBER:
		return(xmlXPathCacheNewFloat(pctxt, val->floatval));
	    default:
		break;
	}
    }
    ret = xmlXPathObjectCopy(val);
    if (ret == NULL)
        xmlXPathPErrMemory(pctxt);
    return(ret);
}

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