PostGIS  2.5.0dev-r@@SVN_REVISION@@

◆ lwmline_to_wkt_sb()

static void lwmline_to_wkt_sb ( const LWMLINE mline,
stringbuffer_t sb,
int  precision,
uint8_t  variant 
)
static

Definition at line 249 of file lwout_wkt.c.

References dimension_qualifiers_to_wkt_sb(), empty_to_wkt_sb(), LWMLINE::geoms, lwline_to_wkt_sb(), LWMLINE::ngeoms, stringbuffer_append(), WKT_IS_CHILD, and WKT_NO_TYPE.

Referenced by lwgeom_to_wkt_sb().

250 {
251  uint32_t i = 0;
252 
253  if ( ! (variant & WKT_NO_TYPE) )
254  {
255  stringbuffer_append(sb, "MULTILINESTRING"); /* "MULTILINESTRING" */
257  }
258  if ( mline->ngeoms < 1 )
259  {
260  empty_to_wkt_sb(sb);
261  return;
262  }
263 
264  stringbuffer_append(sb, "(");
265  variant = variant | WKT_IS_CHILD; /* Inform the sub-geometries they are childre */
266  for ( i = 0; i < mline->ngeoms; i++ )
267  {
268  if ( i > 0 )
269  stringbuffer_append(sb, ",");
270  /* We don't want type strings on our subgeoms */
271  lwline_to_wkt_sb(mline->geoms[i], sb, precision, variant | WKT_NO_TYPE );
272  }
273  stringbuffer_append(sb, ")");
274 }
uint8_t variant
Definition: cu_in_twkb.c:26
static void dimension_qualifiers_to_wkt_sb(const LWGEOM *geom, stringbuffer_t *sb, uint8_t variant)
Definition: lwout_wkt.c:39
unsigned int uint32_t
Definition: uthash.h:78
#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
uint32_t ngeoms
Definition: liblwgeom.h:483
LWLINE ** geoms
Definition: liblwgeom.h:485
void stringbuffer_append(stringbuffer_t *s, const char *a)
Append the specified string to the stringbuffer_t.
Definition: stringbuffer.c:134
static void lwline_to_wkt_sb(const LWLINE *line, stringbuffer_t *sb, int precision, uint8_t variant)
Definition: lwout_wkt.c:155
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