PostGIS  2.2.8dev-r@@SVN_REVISION@@

◆ lwmultipoint_from_twkb_state()

static LWCOLLECTION* lwmultipoint_from_twkb_state ( twkb_parse_state s)
static

MULTIPOINT.

Definition at line 322 of file lwin_twkb.c.

References twkb_parse_state::has_idlist, twkb_parse_state::has_m, twkb_parse_state::has_z, twkb_parse_state::is_empty, lwcollection_add_lwgeom(), lwcollection_construct_empty(), LWDEBUG, LWDEBUGF, lwerror(), lwpoint_as_lwgeom(), lwpoint_from_twkb_state(), twkb_parse_state::lwtype, SRID_UNKNOWN, twkb_parse_state_uvarint(), and twkb_parse_state_varint_skip().

Referenced by lwgeom_from_twkb_state().

323 {
324  int ngeoms, i;
325  LWGEOM *geom = NULL;
327 
328  LWDEBUG(2,"Entering lwmultipoint_from_twkb_state");
329 
330  if ( s->is_empty )
331  return col;
332 
333  /* Read number of geometries */
334  ngeoms = twkb_parse_state_uvarint(s);
335  LWDEBUGF(4,"Number of geometries %d", ngeoms);
336 
337  /* It has an idlist, we need to skip that */
338  if ( s->has_idlist )
339  {
340  for ( i = 0; i < ngeoms; i++ )
342  }
343 
344  for ( i = 0; i < ngeoms; i++ )
345  {
347  if ( lwcollection_add_lwgeom(col, geom) == NULL )
348  {
349  lwerror("Unable to add geometry (%p) to collection (%p)", geom, col);
350  return NULL;
351  }
352  }
353 
354  return col;
355 }
uint8_t has_z
Definition: lwin_twkb.c:35
uint8_t is_empty
Definition: lwin_twkb.c:37
uint8_t has_m
Definition: lwin_twkb.c:36
#define LWDEBUG(level, msg)
Definition: lwgeom_log.h:50
uint8_t has_idlist
Definition: lwin_twkb.c:34
uint32_t lwtype
Definition: lwin_twkb.c:30
#define SRID_UNKNOWN
Unknown SRID value.
Definition: liblwgeom.h:172
static uint64_t twkb_parse_state_uvarint(twkb_parse_state *s)
Definition: lwin_twkb.c:87
static LWPOINT * lwpoint_from_twkb_state(twkb_parse_state *s)
POINT.
Definition: lwin_twkb.c:207
LWGEOM * lwpoint_as_lwgeom(const LWPOINT *obj)
Definition: lwgeom.c:254
LWCOLLECTION * lwcollection_construct_empty(uint8_t type, int srid, char hasz, char hasm)
Definition: lwcollection.c:81
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:55
LWCOLLECTION * lwcollection_add_lwgeom(LWCOLLECTION *col, const LWGEOM *geom)
Appends geom to the collection managed by col.
Definition: lwcollection.c:174
static void twkb_parse_state_varint_skip(twkb_parse_state *s)
Definition: lwin_twkb.c:103
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:74
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