PostGIS  2.2.7dev-r@@SVN_REVISION@@
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 1736 of file lwgeom_in_gml.c.

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().

1737 {
1738  gmlSrs srs;
1739  xmlNodePtr xa;
1740  LWGEOM *geom = NULL;
1741 
1742  if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1743 
1744  parse_gml_srs(xnode, &srs);
1745  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1746  *root_srid = srs.srid;
1747 
1748  geom = (LWGEOM *)lwcollection_construct_empty(COLLECTIONTYPE, *root_srid, 1, 0);
1749 
1750  if (xnode->children == NULL)
1751  return geom;
1752 
1753  for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1754  {
1755  if (xa->type != XML_ELEMENT_NODE) continue;
1756  if (!is_gml_namespace(xa, false)) continue;
1757 
1758  /*
1759  * In GML 2.1.2 pointMember, lineStringMember and
1760  * polygonMember are parts of geometryMember
1761  * substitution group
1762  */
1763  if ( !strcmp((char *) xa->name, "pointMember")
1764  || !strcmp((char *) xa->name, "lineStringMember")
1765  || !strcmp((char *) xa->name, "polygonMember")
1766  || !strcmp((char *) xa->name, "geometryMember"))
1767  {
1768  if (xa->children == NULL) break;
1769  geom = (LWGEOM*)lwcollection_add_lwgeom((LWCOLLECTION *)geom,
1770  parse_gml(xa->children, hasz, root_srid));
1771  }
1772  }
1773 
1774  return geom;
1775 }
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.
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
LWCOLLECTION * lwcollection_add_lwgeom(LWCOLLECTION *col, const LWGEOM *geom)
Appends geom to the collection managed by col.
Definition: lwcollection.c:174
#define COLLECTIONTYPE
Definition: liblwgeom.h:76

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