ST_GeomFromMARC21()

Datum ST_GeomFromMARC21

(

PG_FUNCTION_ARGS

)

Definition at line 51 of file lwgeom_in_marc21.c.

                                          {
        GSERIALIZED *geom;
        LWGEOM *lwgeom;
        xmlDocPtr xmldoc;
        text *xml_input;
        int xml_size;
        char *xml;
        xmlNodePtr xmlroot = NULL;
 
        if (PG_ARGISNULL(0)) PG_RETURN_NULL();
 
        xml_input = PG_GETARG_TEXT_P(0);
        xml = text_to_cstring(xml_input);
        xml_size = VARSIZE_ANY_EXHDR(xml_input);
 
        xmlInitParser();
        xmldoc = xmlReadMemory(xml, xml_size, NULL, NULL, 0);
 
        if (!xmldoc || (xmlroot = xmlDocGetRootElement(xmldoc)) == NULL) {
                xmlFreeDoc(xmldoc);
                xmlCleanupParser();
                lwpgerror("invalid MARC21/XML document.");
        }
 
        lwgeom = parse_marc21(xmlroot);
 
        xmlFreeDoc(xmldoc);
        xmlCleanupParser();
 
        if (lwgeom == NULL) {
 
                //lwgeom_free(lwgeom);
                PG_RETURN_NULL();
 
        }
 
        geom = geometry_serialize(lwgeom);
 
        lwgeom_free(lwgeom);
 
        PG_RETURN_POINTER(geom);
}

References lwgeom_free(), and parse_marc21().

Here is the call graph for this function: