PostGIS  3.4.0dev-r@@SVN_REVISION@@

◆ parse_gml()

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

Parse GML.

Definition at line 1915 of file lwgeom_in_gml.c.

1916 {
1917  xmlNodePtr xa = xnode;
1918  gmlSrs srs;
1919 
1920  while (xa != NULL && (xa->type != XML_ELEMENT_NODE
1921  || !is_gml_namespace(xa, false))) xa = xa->next;
1922 
1923  if (xa == NULL) gml_lwpgerror("invalid GML representation", 55);
1924 
1925  parse_gml_srs(xa, &srs);
1926  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1927  {
1928  *root_srid = srs.srid;
1929  }
1930 
1931  if (!strcmp((char *) xa->name, "Point"))
1932  return parse_gml_point(xa, hasz, root_srid);
1933 
1934  if (!strcmp((char *) xa->name, "LineString"))
1935  return parse_gml_line(xa, hasz, root_srid);
1936 
1937  if (!strcmp((char *) xa->name, "Curve"))
1938  return parse_gml_curve(xa, hasz, root_srid);
1939 
1940  if (!strcmp((char *) xa->name, "LinearRing"))
1941  return parse_gml_linearring(xa, hasz, root_srid);
1942 
1943  if (!strcmp((char *) xa->name, "Polygon"))
1944  return parse_gml_polygon(xa, hasz, root_srid);
1945 
1946  if (!strcmp((char *) xa->name, "Triangle"))
1947  return parse_gml_triangle(xa, hasz, root_srid);
1948 
1949  if (!strcmp((char *) xa->name, "Surface"))
1950  return parse_gml_surface(xa, hasz, root_srid);
1951 
1952  if (!strcmp((char *) xa->name, "MultiPoint"))
1953  return parse_gml_mpoint(xa, hasz, root_srid);
1954 
1955  if (!strcmp((char *) xa->name, "MultiLineString"))
1956  return parse_gml_mline(xa, hasz, root_srid);
1957 
1958  if (!strcmp((char *) xa->name, "MultiCurve"))
1959  return parse_gml_mcurve(xa, hasz, root_srid);
1960 
1961  if (!strcmp((char *) xa->name, "MultiPolygon"))
1962  return parse_gml_mpoly(xa, hasz, root_srid);
1963 
1964  if (!strcmp((char *) xa->name, "MultiSurface"))
1965  return parse_gml_msurface(xa, hasz, root_srid);
1966 
1967  if (!strcmp((char *) xa->name, "PolyhedralSurface"))
1968  return parse_gml_psurface(xa, hasz, root_srid);
1969 
1970  if ((!strcmp((char *) xa->name, "Tin")) ||
1971  !strcmp((char *) xa->name, "TriangulatedSurface" ))
1972  return parse_gml_tin(xa, hasz, root_srid);
1973 
1974  if (!strcmp((char *) xa->name, "MultiGeometry"))
1975  return parse_gml_coll(xa, hasz, root_srid);
1976 
1977  gml_lwpgerror("invalid GML representation", 56);
1978  return NULL; /* Never reach */
1979 }
#define SRID_UNKNOWN
Unknown SRID value.
Definition: liblwgeom.h:215
static LWGEOM * parse_gml_surface(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Surface (3.1.1)
static LWGEOM * parse_gml_msurface(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML MultiSurface (3.1.1)
static LWGEOM * parse_gml_psurface(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML PolyhedralSurface (3.1.1) Nota: It's not part of SF-2.
static LWGEOM * parse_gml_coll(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML MultiGeometry (2.1.2, 3.1.1)
static LWGEOM * parse_gml_mcurve(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML MultiCurve (3.1.1)
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 LWGEOM * parse_gml_polygon(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Polygon (2.1.2, 3.1.1)
static LWGEOM * parse_gml_line(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML lineString (2.1.2, 3.1.1)
static LWGEOM * parse_gml_mpoly(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML MultiPolygon (2.1.2, 3.1.1)
static LWGEOM * parse_gml_curve(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Curve (3.1.1)
static void gml_lwpgerror(char *msg, __attribute__((__unused__)) int error_code)
Definition: lwgeom_in_gml.c:81
static LWGEOM * parse_gml_mpoint(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse gml:MultiPoint (2.1.2, 3.1.1)
static LWGEOM * parse_gml_point(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML point (2.1.2, 3.1.1)
static LWGEOM * parse_gml_tin(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Tin (and TriangulatedSurface) (3.1.1)
static LWGEOM * parse_gml_triangle(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Triangle (3.1.1)
static LWGEOM * parse_gml_mline(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse gml:MultiLineString (2.1.2, 3.1.1)
static LWGEOM * parse_gml_linearring(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML LinearRing (3.1.1)

References gml_lwpgerror(), is_gml_namespace(), parse_gml_coll(), parse_gml_curve(), parse_gml_line(), parse_gml_linearring(), parse_gml_mcurve(), parse_gml_mline(), parse_gml_mpoint(), parse_gml_mpoly(), parse_gml_msurface(), parse_gml_point(), parse_gml_polygon(), parse_gml_psurface(), parse_gml_srs(), parse_gml_surface(), parse_gml_tin(), parse_gml_triangle(), struct_gmlSrs::srid, and SRID_UNKNOWN.

Referenced by lwgeom_from_gml(), parse_gml_coll(), parse_gml_mcurve(), parse_gml_mline(), parse_gml_mpoint(), parse_gml_mpoly(), and parse_gml_msurface().

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