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

Parse GML MultiSurface (3.1.1)

Definition at line 1640 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().

1641 {
1642  gmlSrs srs;
1643  xmlNodePtr xa, xb;
1644  LWGEOM *geom = NULL;
1645 
1646  if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1647 
1648  parse_gml_srs(xnode, &srs);
1649  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1650  *root_srid = srs.srid;
1651 
1652  geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, *root_srid, 1, 0);
1653 
1654  if (xnode->children == NULL)
1655  return geom;
1656 
1657  for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1658  {
1659  /* MultiSurface/surfaceMember */
1660  if (xa->type != XML_ELEMENT_NODE) continue;
1661  if (!is_gml_namespace(xa, false)) continue;
1662  if (!strcmp((char *) xa->name, "surfaceMembers"))
1663  {
1664  for (xb = xa->children ; xb != NULL ; xb = xb->next)
1665  {
1666  if (xb != NULL)
1667  geom = (LWGEOM*)lwmpoly_add_lwpoly((LWMPOLY*)geom,
1668  (LWPOLY*)parse_gml(xb, hasz, root_srid));
1669  }
1670  }
1671  else if (!strcmp((char *) xa->name, "surfaceMember"))
1672  {
1673  if (xa->children != NULL)
1674  geom = (LWGEOM*)lwmpoly_add_lwpoly((LWMPOLY*)geom,
1675  (LWPOLY*)parse_gml(xa->children, hasz, root_srid));
1676  }
1677  }
1678 
1679  return geom;
1680 }
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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