parse_gml_coll()

static LWGEOM* parse_gml_coll ( xmlNodePtr  xnode, bool *  hasz, int *  root_srid  )

static

Parse GML MultiGeometry (2.1.2, 3.1.1)

Definition at line 1812 of file lwgeom_in_gml.c.

{
        gmlSrs srs;
        xmlNodePtr xa;
        LWGEOM *geom = NULL;
 
        if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
 
        parse_gml_srs(xnode, &srs);
        if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
                *root_srid = srs.srid;
 
        geom = (LWGEOM *)lwcollection_construct_empty(COLLECTIONTYPE, *root_srid, 1, 0);
 
        if (xnode->children == NULL)
                return geom;
 
        for (xa = xnode->children ; xa != NULL ; xa = xa->next)
        {
                if (xa->type != XML_ELEMENT_NODE) continue;
                if (!is_gml_namespace(xa, false)) continue;
 
                /*
                 * In GML 2.1.2 pointMember, lineStringMember and
                 * polygonMember are parts of geometryMember
                 * substitution group
                 */
                if (       !strcmp((char *) xa->name, "pointMember")
                        || !strcmp((char *) xa->name, "lineStringMember")
                        || !strcmp((char *) xa->name, "polygonMember")
                        || !strcmp((char *) xa->name, "geometryMember"))
                {
                        if (xa->children == NULL) break;
                        geom = (LWGEOM*)lwcollection_add_lwgeom((LWCOLLECTION *)geom,
                                                                parse_gml(xa->children, hasz, root_srid));
                }
        }
 
        return geom;
}

References COLLECTIONTYPE, get_xlink_node(), is_gml_namespace(), is_xlink(), lwcollection_add_lwgeom(), lwcollection_construct_empty(), parse_gml(), parse_gml_srs(), struct_gmlSrs::srid, and SRID_UNKNOWN.

Referenced by parse_gml().

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