PostGIS  2.5.1dev-r@@SVN_REVISION@@

◆ lwmpoly_to_wkt_sb()

static void lwmpoly_to_wkt_sb ( const LWMPOLY mpoly,
stringbuffer_t sb,
int  precision,
uint8_t  variant 
)
static

Definition at line 280 of file lwout_wkt.c.

References dimension_qualifiers_to_wkt_sb(), empty_to_wkt_sb(), LWMPOLY::geoms, lwpoly_to_wkt_sb(), LWMPOLY::ngeoms, stringbuffer_append(), WKT_IS_CHILD, and WKT_NO_TYPE.

Referenced by lwgeom_to_wkt_sb().

281 {
282  uint32_t i = 0;
283 
284  if ( ! (variant & WKT_NO_TYPE) )
285  {
286  stringbuffer_append(sb, "MULTIPOLYGON"); /* "MULTIPOLYGON" */
288  }
289  if ( mpoly->ngeoms < 1 )
290  {
291  empty_to_wkt_sb(sb);
292  return;
293  }
294 
295  stringbuffer_append(sb, "(");
296  variant = variant | WKT_IS_CHILD; /* Inform the sub-geometries they are childre */
297  for ( i = 0; i < mpoly->ngeoms; i++ )
298  {
299  if ( i > 0 )
300  stringbuffer_append(sb, ",");
301  /* We don't want type strings on our subgeoms */
302  lwpoly_to_wkt_sb(mpoly->geoms[i], sb, precision, variant | WKT_NO_TYPE );
303  }
304  stringbuffer_append(sb, ")");
305 }
uint8_t variant
Definition: cu_in_twkb.c:26
uint32_t ngeoms
Definition: liblwgeom.h:496
static void dimension_qualifiers_to_wkt_sb(const LWGEOM *geom, stringbuffer_t *sb, uint8_t variant)
Definition: lwout_wkt.c:39
static void lwpoly_to_wkt_sb(const LWPOLY *poly, stringbuffer_t *sb, int precision, uint8_t variant)
Definition: lwout_wkt.c:175
unsigned int uint32_t
Definition: uthash.h:78
LWPOLY ** geoms
Definition: liblwgeom.h:498
#define WKT_IS_CHILD
uint8_t precision
Definition: cu_in_twkb.c:25
#define WKT_NO_TYPE
Well-Known Text (WKT) Output Variant Types.
static void empty_to_wkt_sb(stringbuffer_t *sb)
Definition: lwout_wkt.c:69
void stringbuffer_append(stringbuffer_t *s, const char *a)
Append the specified string to the stringbuffer_t.
Definition: stringbuffer.c:134
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