PostGIS 3.7.0dev-r@@SVN_REVISION@@
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◆ parse_gml_mpoly()

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

Parse GML MultiPolygon (2.1.2, 3.1.1)

Definition at line 1741 of file lwgeom_in_gml.c.

1742{
1743 gmlSrs srs;
1744 xmlNodePtr xa;
1745 LWGEOM *geom = NULL;
1746
1747 if (is_xlink(xnode)) xnode = get_xlink_node(xnode);
1748 if (xnode == NULL)
1749 gml_lwpgerror("invalid GML representation", 30);
1750
1751 parse_gml_srs(xnode, &srs);
1752 if (*root_srid == SRID_UNKNOWN && srs.srid != SRID_UNKNOWN)
1753 *root_srid = srs.srid;
1754
1755 geom = (LWGEOM *)lwcollection_construct_empty(MULTIPOLYGONTYPE, *root_srid, 1, 0);
1756
1757 if (xnode->children == NULL)
1758 return geom;
1759
1760 for (xa = xnode->children ; xa != NULL ; xa = xa->next)
1761 {
1762 /* MultiPolygon/polygonMember */
1763 if (xa->type != XML_ELEMENT_NODE) continue;
1764 if (!is_gml_namespace(xa, false)) continue;
1765 if (!is_gml_element(xa, "polygonMember")) continue;
1766 if (xa->children != NULL)
1767 geom = (LWGEOM*)lwmpoly_add_lwpoly((LWMPOLY*)geom,
1768 (LWPOLY*)parse_gml(xa->children, hasz, root_srid));
1769 }
1770
1771 return geom;
1772}
#define MULTIPOLYGONTYPE
Definition liblwgeom.h:107
LWMPOLY * lwmpoly_add_lwpoly(LWMPOLY *mobj, const LWPOLY *obj)
Definition lwmpoly.c:47
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int32_t srid, char hasz, char hasm)
#define SRID_UNKNOWN
Unknown SRID value.
Definition liblwgeom.h:215
static xmlNodePtr get_xlink_node(xmlNodePtr xnode)
Return a xmlNodePtr on a node referenced by a XLink or NULL otherwise.
static bool is_xlink(xmlNodePtr node)
Return true if current node contains a simple XLink Return false otherwise.
static LWGEOM * parse_gml(xmlNodePtr xnode, bool *hasz, int *root_srid)
Parse GML.
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 void gml_lwpgerror(char *msg, __attribute__((__unused__)) int error_code)
static bool is_gml_element(xmlNodePtr xn, const char *gml_name)

References get_xlink_node(), gml_lwpgerror(), is_gml_element(), is_gml_namespace(), is_xlink(), lwcollection_construct_empty(), lwmpoly_add_lwpoly(), MULTIPOLYGONTYPE, parse_gml(), parse_gml_srs(), struct_gmlSrs::srid, and SRID_UNKNOWN.

Referenced by parse_gml().

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