PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ parse_gml_mpoint()

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

Parse gml:MultiPoint (2.1.2, 3.1.1)

Definition at line 1491 of file lwgeom_in_gml.c.

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

Referenced by parse_gml().

1492 {
1493  gmlSrs srs;
1494  xmlNodePtr xa, xb;
1495  LWGEOM *geom = NULL;
1496 
1497  if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1498 
1499  parse_gml_srs(xnode, &srs);
1500  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1501  *root_srid = srs.srid;
1502 
1503  geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOINTTYPE, *root_srid, 1, 0);
1504 
1505  if (xnode->children == NULL)
1506  return geom;
1507 
1508  for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1509  {
1510  /* MultiPoint/pointMember */
1511  if (xa->type != XML_ELEMENT_NODE) continue;
1512  if (!is_gml_namespace(xa, false)) continue;
1513  if (!strcmp((char *) xa->name, "pointMembers"))
1514  {
1515  for (xb = xa->children ; xb != NULL ; xb = xb->next)
1516  {
1517  geom = (LWGEOM*)lwmpoint_add_lwpoint(
1518  (LWMPOINT*)geom,
1519  (LWPOINT*)parse_gml(xb, hasz, root_srid));
1520  }
1521  }
1522  else if (!strcmp((char *) xa->name, "pointMember"))
1523  {
1524  if (xa->children != NULL)
1525  geom = (LWGEOM*)lwmpoint_add_lwpoint((LWMPOINT*)geom,
1526  (LWPOINT*)parse_gml(xa->children, hasz, root_srid));
1527  }
1528  }
1529 
1530  return geom;
1531 }
static void parse_gml_srs(xmlNodePtr xnode, gmlSrs *srs)
Parse gml srsName attribute.
#define MULTIPOINTTYPE
Definition: liblwgeom.h:87
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:187
static bool is_xlink(xmlNodePtr node)
Return true if current node contains a simple XLink Return false otherwise.
LWMPOINT * lwmpoint_add_lwpoint(LWMPOINT *mobj, const LWPOINT *obj)
Definition: lwmpoint.c:45
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:94
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