C++ (Cpp) yaz_query_to_wrbuf Exemples

Exemple #1

void xmlquerytopqf(const char *xmlstr)
{
    xmlDocPtr doc;

    doc = xmlParseMemory(xmlstr, strlen(xmlstr));
    if (!doc)
    {
	fprintf(stderr, "%s: xml parse error for XML:\n%s\n", prog, xmlstr);
	exit(1);
    }
    else
    {
	int error_code = 0;
	const char *addinfo = 0;
	Z_Query *query = 0;
	ODR odr = odr_createmem(ODR_ENCODE);

	const xmlNode *root_element = xmlDocGetRootElement(doc);
	yaz_xml2query(root_element, &query, odr, &error_code, &addinfo);
	if (error_code)
	{
	    fprintf(stderr, "%s: yaz_xml2query failed code=%d addinfo=%s\n",
		    prog, error_code, addinfo);
	    exit(1);
	}
	else if (!query)
	{
	    fprintf(stderr, "%s: yaz_xml2query no query result\n",
		    prog);
	    exit(1);
	}
	else
	{
	    WRBUF w = wrbuf_alloc();
	    yaz_query_to_wrbuf(w, query);
	    printf("%s\n", wrbuf_cstr(w));
	    wrbuf_destroy(w);
	}
	odr_destroy(odr);
	xmlFreeDoc(doc);
    }
}

Exemple #2

Fichier : test_xmlquery.c Projet : nla/yaz

enum pqf2xml_status pqf2xml_text(const char *pqf, const char *expect_xml,
                                 const char *expect_pqf)
{
    YAZ_PQF_Parser parser = yaz_pqf_create();
    ODR odr = odr_createmem(ODR_ENCODE);
    Z_RPNQuery *rpn;
    enum pqf2xml_status status = XML_NO_ERROR;

    YAZ_CHECK(parser);

    YAZ_CHECK(odr);

    rpn = yaz_pqf_parse(parser, odr, pqf);

    yaz_pqf_destroy(parser);

    if (!rpn)
        status = PQF_FAILED;
    else
    {
#if YAZ_HAVE_XML2
        xmlDocPtr doc = 0;

        yaz_rpnquery2xml(rpn, &doc);

        if (!doc)
            status = QUERY2XML_FAILED;
        else
        {
            char *buf_out;
            int len_out;

            xmlDocDumpMemory(doc, (xmlChar **) &buf_out, &len_out);

            if (len_out == (int) strlen(expect_xml)
                && memcmp(buf_out, expect_xml, len_out) == 0)
            {
                Z_Query *query2 = 0;
                int error_code = 0;
                const char *addinfo = 0;
                const xmlNode *root_element = xmlDocGetRootElement(doc);
                ODR odr2 = odr_createmem(ODR_ENCODE);

                yaz_xml2query(root_element, &query2, odr2,
                              &error_code, &addinfo);
                if (error_code || !query2)
                    status = XML_NO_MATCH;
                else
                {
                    WRBUF w = wrbuf_alloc();
                    yaz_query_to_wrbuf(w, query2);
                    if (!expect_pqf || strcmp(expect_pqf, wrbuf_cstr(w)) == 0)
                        status = XML_MATCH;
                    else
                    {
                        status = XML_NO_MATCH;
                        printf("Result: %s\n", wrbuf_cstr(w));
                    }
                    wrbuf_destroy(w);
                }
                odr_destroy(odr2);
            }
            else
            {
                printf("%.*s\n", len_out, buf_out);
                status = XML_NO_MATCH;
            }
            xmlFreeDoc(doc);
            xmlFree(buf_out);
        }
#else
        status = QUERY2XML_FAILED;
#endif
    }
    odr_destroy(odr);
    return status;
}