Function xmlXPathErr

ThirdParty/libxml2/vtklibxml2/xpath.c:661–721

* xmlXPathErr: * @ctxt: a XPath parser context * @code: the error code * * Handle an XPath error */

 * Handle an XPath error
 */
void
xmlXPathErr(xmlXPathParserContextPtr ctxt, int code)
{
    xmlStructuredErrorFunc schannel = NULL;
    xmlGenericErrorFunc channel = NULL;
    void *data = NULL;
    xmlNodePtr node = NULL;
    int res;

    if (ctxt == NULL)
        return;
    if ((code < 0) || (code > MAXERRNO))
	code = MAXERRNO;
    /* Only report the first error */
    if (ctxt->error != 0)
        return;

    ctxt->error = code;

    if (ctxt->context != NULL) {
        xmlErrorPtr err = &ctxt->context->lastError;

        /* Don't overwrite memory error. */
        if (err->code == XML_ERR_NO_MEMORY)
            return;

        /* cleanup current last error */
        xmlResetError(err);

        err->domain = XML_FROM_XPATH;
        err->code = code + XML_XPATH_EXPRESSION_OK - XPATH_EXPRESSION_OK;
        err->level = XML_ERR_ERROR;
        if (ctxt->base != NULL) {
            err->str1 = (char *) xmlStrdup(ctxt->base);
            if (err->str1 == NULL) {
                xmlXPathPErrMemory(ctxt);
                return;
            }
        }
        err->int1 = ctxt->cur - ctxt->base;
        err->node = ctxt->context->debugNode;

        schannel = ctxt->context->error;
        data = ctxt->context->userData;
        node = ctxt->context->debugNode;
    }

    if (schannel == NULL) {
        channel = xmlGenericError;
        data = xmlGenericErrorContext;
    }

    res = __xmlRaiseError(schannel, channel, data, NULL, node, XML_FROM_XPATH,
                          code + XML_XPATH_EXPRESSION_OK - XPATH_EXPRESSION_OK,
                          XML_ERR_ERROR, NULL, 0,
                          (const char *) ctxt->base, NULL, NULL,
                          ctxt->cur - ctxt->base, 0,
                          "%s", xmlXPathErrorMessages[code]);