Function xmlXPathContextSetCache

ThirdParty/libxml2/vtklibxml2/xpath.c:1621–1651

* xmlXPathContextSetCache: * * @ctxt: the XPath context * @active: enables/disables (creates/frees) the cache * @value: a value with semantics dependent on @options * @options: options (currently only the value 0 is used) * * Creates/frees an object cache on the XPath context. * If activates XPath objects (xmlXPathObject) will be cached internally * to be reused. * @options: * 0: Thi

 * Returns 0 if the setting succeeded, and -1 on API or internal errors.
 */
int
xmlXPathContextSetCache(xmlXPathContextPtr ctxt,
			int active,
			int value,
			int options)
{
    if (ctxt == NULL)
	return(-1);
    if (active) {
	xmlXPathContextCachePtr cache;

	if (ctxt->cache == NULL) {
	    ctxt->cache = xmlXPathNewCache();
	    if (ctxt->cache == NULL) {
                xmlXPathErrMemory(ctxt);
		return(-1);
            }
	}
	cache = (xmlXPathContextCachePtr) ctxt->cache;
	if (options == 0) {
	    if (value < 0)
		value = 100;
	    cache->maxNodeset = value;
	    cache->maxMisc = value;
	}
    } else if (ctxt->cache != NULL) {
	xmlXPathFreeCache((xmlXPathContextCachePtr) ctxt->cache);
	ctxt->cache = NULL;
    }
    return(0);
}

/**
 * xmlXPathCacheWrapNodeSet: