C++ (Cpp) yaz_rpnquery2xml Exemples

Exemple #1

void pqftoxmlquery(const char *pqf)
{
    YAZ_PQF_Parser parser = yaz_pqf_create();
    ODR odr = odr_createmem(ODR_ENCODE);
    Z_RPNQuery *rpn;

    if (!parser)
    {
	fprintf(stderr, "%s: cannot create parser\n", prog);
	exit(1);
    }

    if (!odr)
    {
	fprintf(stderr, "%s: cannot create parser\n", prog);
	exit(1);
    }

    rpn = yaz_pqf_parse(parser, odr, pqf);

    yaz_pqf_destroy(parser);

    if (!rpn)
    {
	fprintf(stderr, "%s: pqf parse error for query %s\n", prog, pqf);
	exit(2);
    }
    else
    {
	xmlDocPtr doc = 0;
	
        yaz_rpnquery2xml(rpn, &doc);
        
        if (!doc)
	{
	    fprintf(stderr, "%s: yaz_rpnquery2xml failed for query %s\n",
		    prog, pqf);
	    exit(3);
	}
        else
        {
            xmlChar *buf_out = 0;
            int len_out = 0;

            xmlDocDumpMemory(doc, &buf_out, &len_out);

            if (!len_out || !buf_out)
	    {
		fprintf(stderr, "%s: xmlDocDumpMemory failed for query %s\n",
			prog, pqf);
		exit(4);
	    }
	    else
	    {
		if (fwrite(buf_out, len_out, 1, stdout) != 1)
		{
		    fprintf(stderr, "%s: write failed\n", prog);
		    exit(5);
		}
	    }
            xmlFreeDoc(doc);
	}
    }    
    odr_destroy(odr);
}

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;
}