PostGIS  3.1.6dev-r@@SVN_REVISION@@

◆ parse_gml_mpoly()

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 1791 of file lwgeom_in_gml.c.

1792 {
1793  gmlSrs srs;
1794  xmlNodePtr xa;
1795  LWGEOM *geom = NULL;
1796 
1797  if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1798  if (xnode == NULL)
1799  gml_lwpgerror("invalid GML representation", 30);
1800 
1801  parse_gml_srs(xnode, &srs);
1802  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1803  *root_srid = srs.srid;
1804 
1805  geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, *root_srid, 1, 0);
1806 
1807  if (xnode->children == NULL)
1808  return geom;
1809 
1810  for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1811  {
1812  /* MultiPolygon/polygonMember */
1813  if (xa->type != XML_ELEMENT_NODE) continue;
1814  if (!is_gml_namespace(xa, false)) continue;
1815  if (!is_gml_element(xa, "polygonMember")) continue;
1816  if (xa->children != NULL)
1817  geom = (LWGEOM*)lwmpoly_add_lwpoly((LWMPOLY*)geom,
1818  (LWPOLY*)parse_gml(xa->children, hasz, root_srid));
1819  }
1820 
1821  return geom;
1822 }
LWMPOLY * lwmpoly_add_lwpoly(LWMPOLY *mobj, const LWPOLY *obj)
Definition: lwmpoly.c:47
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:121
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int32_t srid, char hasz, char hasm)
Definition: lwcollection.c:92
#define SRID_UNKNOWN
Unknown SRID value.
Definition: liblwgeom.h:229
static xmlNodePtr get_xlink_node(xmlNodePtr xnode)
Return a xmlNodePtr on a node referenced by a XLink or NULL otherwise.
static bool is_xlink(xmlNodePtr node)
Return true if current node contains a simple XLink Return false otherwise.
static LWGEOM * parse_gml(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML.
static bool is_gml_namespace(xmlNodePtr xnode, bool is_strict)
Return false if current element namespace is not a GML one Return true otherwise.
static void parse_gml_srs(xmlNodePtr xnode, gmlSrs *srs)
Parse gml srsName attribute.
static void gml_lwpgerror(char *msg, __attribute__((__unused__)) int error_code)
Definition: lwgeom_in_gml.c:81
static bool is_gml_element(xmlNodePtr xn, const char *gml_name)

References get_xlink_node(), gml_lwpgerror(), is_gml_element(), 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().

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