PostGIS  2.2.7dev-r@@SVN_REVISION@@
static LWGEOM* parse_gml_mpoly ( xmlNodePtr  xnode,
bool *  hasz,
int *  root_srid 
)
static

Parse GML MultiPolygon (2.1.2, 3.1.1)

Definition at line 1605 of file lwgeom_in_gml.c.

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

Referenced by parse_gml().

1606 {
1607  gmlSrs srs;
1608  xmlNodePtr xa;
1609  LWGEOM *geom = NULL;
1610 
1611  if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1612 
1613  parse_gml_srs(xnode, &srs);
1614  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1615  *root_srid = srs.srid;
1616 
1617  geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, *root_srid, 1, 0);
1618 
1619  if (xnode->children == NULL)
1620  return geom;
1621 
1622  for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1623  {
1624  /* MultiPolygon/polygonMember */
1625  if (xa->type != XML_ELEMENT_NODE) continue;
1626  if (!is_gml_namespace(xa, false)) continue;
1627  if (strcmp((char *) xa->name, "polygonMember")) continue;
1628  if (xa->children != NULL)
1629  geom = (LWGEOM*)lwmpoly_add_lwpoly((LWMPOLY*)geom,
1630  (LWPOLY*)parse_gml(xa->children, hasz, root_srid));
1631  }
1632 
1633  return geom;
1634 }
static void parse_gml_srs(xmlNodePtr xnode, gmlSrs *srs)
Parse gml srsName attribute.
static LWGEOM * parse_gml(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML.
static xmlNodePtr get_xlink_node(xmlNodePtr xnode)
Return a xmlNodePtr on a node referenced by a XLink or NULL otherwise.
#define SRID_UNKNOWN
Unknown SRID value.
Definition: liblwgeom.h:172
static bool is_xlink(xmlNodePtr node)
Return true if current node contains a simple XLink Return false otherwise.
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:75
static bool is_gml_namespace(xmlNodePtr xnode, bool is_strict)
Return false if current element namespace is not a GML one Return true otherwise. ...
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int srid, char hasz, char hasm)
Definition: lwcollection.c:81
LWMPOLY * lwmpoly_add_lwpoly(LWMPOLY *mobj, const LWPOLY *obj)
Definition: lwmpoly.c:34

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