PostGIS 3.7.0dev-r@@SVN_REVISION@@
Loading...
Searching...
No Matches

◆ parse_gml()

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

Parse GML.

Definition at line 1983 of file lwgeom_in_gml.c.

1984{
1985 xmlNodePtr xa = xnode;
1986 gmlSrs srs;
1987
1988 /* Scroll forward to the root node */
1989 while (xa != NULL &&
1990 (xa->type != XML_ELEMENT_NODE || !is_gml_namespace(xa, false)))
1991 {
1992 xa = xa->next;
1993 }
1994
1995 if (xa == NULL) gml_lwpgerror("invalid GML representation", 55);
1996
1997 parse_gml_srs(xa, &srs);
1998 if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1999 {
2000 *root_srid = srs.srid;
2001 }
2002
2003 if (is_gml_element(xa, "Point"))
2004 return parse_gml_point(xa, hasz, root_srid);
2005
2006 if (is_gml_element(xa, "LineString"))
2007 return parse_gml_line(xa, hasz, root_srid);
2008
2009 if (is_gml_element(xa, "Curve"))
2010 return parse_gml_curve(xa, hasz, root_srid);
2011
2012 if (is_gml_element(xa, "LinearRing"))
2013 return parse_gml_linearring(xa, hasz, root_srid);
2014
2015 if (is_gml_element(xa, "Polygon"))
2016 return parse_gml_polygon(xa, hasz, root_srid);
2017
2018 if (is_gml_element(xa, "Triangle"))
2019 return parse_gml_triangle(xa, hasz, root_srid);
2020
2021 if (is_gml_element(xa, "Surface"))
2022 return parse_gml_surface(xa, hasz, root_srid);
2023
2024 if (is_gml_element(xa, "MultiPoint"))
2025 return parse_gml_mpoint(xa, hasz, root_srid);
2026
2027 if (is_gml_element(xa, "MultiLineString"))
2028 return parse_gml_mline(xa, hasz, root_srid);
2029
2030 if (is_gml_element(xa, "MultiCurve"))
2031 return parse_gml_mcurve(xa, hasz, root_srid);
2032
2033 if (is_gml_element(xa, "MultiPolygon"))
2034 return parse_gml_mpoly(xa, hasz, root_srid);
2035
2036 if (is_gml_element(xa, "MultiSurface"))
2037 return parse_gml_msurface(xa, hasz, root_srid);
2038
2039 if (is_gml_element(xa, "PolyhedralSurface"))
2040 return parse_gml_psurface(xa, hasz, root_srid);
2041
2042 if (is_gml_element(xa, "Tin") ||
2043 is_gml_element(xa, "TriangulatedSurface"))
2044 return parse_gml_tin(xa, hasz, root_srid);
2045
2046 if (is_gml_element(xa, "MultiGeometry"))
2047 return parse_gml_coll(xa, hasz, root_srid);
2048
2049 gml_lwpgerror("invalid GML representation", 56);
2050 return NULL; /* Never reach */
2051}
#define SRID_UNKNOWN
Unknown SRID value.
Definition liblwgeom.h:215
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_tin(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Tin (and TriangulatedSurface) (3.1.1)
static LWGEOM * parse_gml_surface(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Surface (3.1.1)
static LWGEOM * parse_gml_curve(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Curve (3.1.1)
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_linearring(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML LinearRing (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_msurface(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML MultiSurface (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_mpoint(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse gml:MultiPoint (2.1.2, 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_point(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML point (2.1.2, 3.1.1)
static LWGEOM * parse_gml_polygon(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML Polygon (2.1.2, 3.1.1)
static void gml_lwpgerror(char *msg, __attribute__((__unused__)) int error_code)
static LWGEOM * parse_gml_mcurve(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML MultiCurve (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 bool is_gml_element(xmlNodePtr xn, const char *gml_name)

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().

Here is the call graph for this function:
Here is the caller graph for this function: