PostGIS  2.3.8dev-r@@SVN_REVISION@@

◆ LWGEOM_recv()

Datum LWGEOM_recv ( PG_FUNCTION_ARGS  )

Definition at line 758 of file lwgeom_inout.c.

References geometry_serialize(), LW_PARSER_CHECK_ALL, lwgeom_add_bbox(), lwgeom_free(), lwgeom_from_wkb(), lwgeom_needs_bbox(), LWGEOM_send(), PG_FUNCTION_INFO_V1(), and postgis_valid_typmod().

Referenced by parse_WKT_lwgeom().

759 {
760  StringInfo buf = (StringInfo) PG_GETARG_POINTER(0);
761  int32 geom_typmod = -1;
762  GSERIALIZED *geom;
763  LWGEOM *lwgeom;
764 
765  if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
766  geom_typmod = PG_GETARG_INT32(2);
767  }
768 
769  lwgeom = lwgeom_from_wkb((uint8_t*)buf->data, buf->len, LW_PARSER_CHECK_ALL);
770 
771  if ( lwgeom_needs_bbox(lwgeom) )
772  lwgeom_add_bbox(lwgeom);
773 
774  /* Set cursor to the end of buffer (so the backend is happy) */
775  buf->cursor = buf->len;
776 
777  geom = geometry_serialize(lwgeom);
778  lwgeom_free(lwgeom);
779 
780  if ( geom_typmod >= 0 )
781  {
782  geom = postgis_valid_typmod(geom, geom_typmod);
783  POSTGIS_DEBUG(3, "typmod and geometry were consistent");
784  }
785  else
786  {
787  POSTGIS_DEBUG(3, "typmod was -1");
788  }
789 
790 
791  PG_RETURN_POINTER(geom);
792 }
unsigned int int32
Definition: shpopen.c:273
GSERIALIZED * postgis_valid_typmod(GSERIALIZED *gser, int32_t typmod)
Check the consistency of the metadata we want to enforce in the typmod: srid, type and dimensionality...
void lwgeom_free(LWGEOM *geom)
Definition: lwgeom.c:1063
GSERIALIZED * geometry_serialize(LWGEOM *lwgeom)
void lwgeom_add_bbox(LWGEOM *lwgeom)
Compute a bbox if not already computed.
Definition: lwgeom.c:612
#define LW_PARSER_CHECK_ALL
Definition: liblwgeom.h:1986
LWGEOM * lwgeom_from_wkb(const uint8_t *wkb, const size_t wkb_size, const char check)
WKB inputs must have a declared size, to prevent malformed WKB from reading off the end of the memory...
Definition: lwin_wkb.c:765
int lwgeom_needs_bbox(const LWGEOM *geom)
Check whether or not a lwgeom is big enough to warrant a bounding box.
Definition: lwgeom.c:1116
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