PostGIS  2.5.0beta2dev-r@@SVN_REVISION@@

◆ parse_gml_coll()

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 1750 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().

1751 {
1752  gmlSrs srs;
1753  xmlNodePtr xa;
1754  LWGEOM *geom = NULL;
1755 
1756  if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1757 
1758  parse_gml_srs(xnode, &srs);
1759  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1760  *root_srid = srs.srid;
1761 
1762  geom = (LWGEOM *)lwcollection_construct_empty(COLLECTIONTYPE, *root_srid, 1, 0);
1763 
1764  if (xnode->children == NULL)
1765  return geom;
1766 
1767  for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1768  {
1769  if (xa->type != XML_ELEMENT_NODE) continue;
1770  if (!is_gml_namespace(xa, false)) continue;
1771 
1772  /*
1773  * In GML 2.1.2 pointMember, lineStringMember and
1774  * polygonMember are parts of geometryMember
1775  * substitution group
1776  */
1777  if ( !strcmp((char *) xa->name, "pointMember")
1778  || !strcmp((char *) xa->name, "lineStringMember")
1779  || !strcmp((char *) xa->name, "polygonMember")
1780  || !strcmp((char *) xa->name, "geometryMember"))
1781  {
1782  if (xa->children == NULL) break;
1783  geom = (LWGEOM*)lwcollection_add_lwgeom((LWCOLLECTION *)geom,
1784  parse_gml(xa->children, hasz, root_srid));
1785  }
1786  }
1787 
1788  return geom;
1789 }
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:187
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:94
LWCOLLECTION * lwcollection_add_lwgeom(LWCOLLECTION *col, const LWGEOM *geom)
Appends geom to the collection managed by col.
Definition: lwcollection.c:187
#define COLLECTIONTYPE
Definition: liblwgeom.h:90
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