PostGIS  3.0.6dev-r@@SVN_REVISION@@

◆ parse_gml()

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

Parse GML.

Definition at line 1948 of file lwgeom_in_gml.c.

1949 {
1950  xmlNodePtr xa = xnode;
1951  gmlSrs srs;
1952 
1953  /* Scroll forward to the root node */
1954  while (xa != NULL &&
1955  (xa->type != XML_ELEMENT_NODE || !is_gml_namespace(xa, false)))
1956  {
1957  xa = xa->next;
1958  }
1959 
1960  if (xa == NULL) gml_lwpgerror("invalid GML representation", 55);
1961 
1962  parse_gml_srs(xa, &srs);
1963  if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1964  {
1965  *root_srid = srs.srid;
1966  }
1967 
1968  if (is_gml_element(xa, "Point"))
1969  return parse_gml_point(xa, hasz, root_srid);
1970 
1971  if (is_gml_element(xa, "LineString"))
1972  return parse_gml_line(xa, hasz, root_srid);
1973 
1974  if (is_gml_element(xa, "Curve"))
1975  return parse_gml_curve(xa, hasz, root_srid);
1976 
1977  if (is_gml_element(xa, "LinearRing"))
1978  return parse_gml_linearring(xa, hasz, root_srid);
1979 
1980  if (is_gml_element(xa, "Polygon"))
1981  return parse_gml_polygon(xa, hasz, root_srid);
1982 
1983  if (is_gml_element(xa, "Triangle"))
1984  return parse_gml_triangle(xa, hasz, root_srid);
1985 
1986  if (is_gml_element(xa, "Surface"))
1987  return parse_gml_surface(xa, hasz, root_srid);
1988 
1989  if (is_gml_element(xa, "MultiPoint"))
1990  return parse_gml_mpoint(xa, hasz, root_srid);
1991 
1992  if (is_gml_element(xa, "MultiLineString"))
1993  return parse_gml_mline(xa, hasz, root_srid);
1994 
1995  if (is_gml_element(xa, "MultiCurve"))
1996  return parse_gml_mcurve(xa, hasz, root_srid);
1997 
1998  if (is_gml_element(xa, "MultiPolygon"))
1999  return parse_gml_mpoly(xa, hasz, root_srid);
2000 
2001  if (is_gml_element(xa, "MultiSurface"))
2002  return parse_gml_msurface(xa, hasz, root_srid);
2003 
2004  if (is_gml_element(xa, "PolyhedralSurface"))
2005  return parse_gml_psurface(xa, hasz, root_srid);
2006 
2007  if (is_gml_element(xa, "Tin") ||
2008  is_gml_element(xa, "TriangulatedSurface"))
2009  return parse_gml_tin(xa, hasz, root_srid);
2010 
2011  if (is_gml_element(xa, "MultiGeometry"))
2012  return parse_gml_coll(xa, hasz, root_srid);
2013 
2014  gml_lwpgerror("invalid GML representation", 56);
2015  return NULL; /* Never reach */
2016 }
#define SRID_UNKNOWN
Unknown SRID value.
Definition: liblwgeom.h:229
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:82
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 bool is_gml_element(xmlNodePtr xn, const char *gml_name)
static LWGEOM * parse_gml_linearring(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML LinearRing (3.1.1)

References gml_lwpgerror(), is_gml_element(), 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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