PostGIS  2.5.2dev-r@@SVN_REVISION@@

◆ lwgeom_from_gserialized_buffer()

LWGEOM * lwgeom_from_gserialized_buffer ( uint8_t data_ptr,
uint8_t  g_flags,
size_t *  g_size 
)
static

Definition at line 1489 of file g_serialized.c.

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, FLAGS_GET_BBOX, FLAGS_GET_GEODETIC, FLAGS_GET_M, FLAGS_GET_Z, gserialized_get_uint32_t(), LINETYPE, lwcircstring_from_gserialized_buffer(), lwcollection_from_gserialized_buffer(), LWDEBUGF, lwerror(), lwline_from_gserialized_buffer(), lwpoint_from_gserialized_buffer(), lwpoly_from_gserialized_buffer(), lwtriangle_from_gserialized_buffer(), lwtype_name(), MULTICURVETYPE, MULTILINETYPE, MULTIPOINTTYPE, MULTIPOLYGONTYPE, MULTISURFACETYPE, POINTTYPE, POLYGONTYPE, POLYHEDRALSURFACETYPE, TINTYPE, TRIANGLETYPE, and ovdump::type.

Referenced by gserialized_from_lwgeom(), lwcollection_from_gserialized_buffer(), and lwgeom_from_gserialized().

1490 {
1491  uint32_t type;
1492 
1493  assert(data_ptr);
1494 
1495  type = gserialized_get_uint32_t(data_ptr);
1496 
1497  LWDEBUGF(2, "Got type %d (%s), hasz=%d hasm=%d geodetic=%d hasbox=%d", type, lwtype_name(type),
1498  FLAGS_GET_Z(g_flags), FLAGS_GET_M(g_flags), FLAGS_GET_GEODETIC(g_flags), FLAGS_GET_BBOX(g_flags));
1499 
1500  switch (type)
1501  {
1502  case POINTTYPE:
1503  return (LWGEOM *)lwpoint_from_gserialized_buffer(data_ptr, g_flags, g_size);
1504  case LINETYPE:
1505  return (LWGEOM *)lwline_from_gserialized_buffer(data_ptr, g_flags, g_size);
1506  case CIRCSTRINGTYPE:
1507  return (LWGEOM *)lwcircstring_from_gserialized_buffer(data_ptr, g_flags, g_size);
1508  case POLYGONTYPE:
1509  return (LWGEOM *)lwpoly_from_gserialized_buffer(data_ptr, g_flags, g_size);
1510  case TRIANGLETYPE:
1511  return (LWGEOM *)lwtriangle_from_gserialized_buffer(data_ptr, g_flags, g_size);
1512  case MULTIPOINTTYPE:
1513  case MULTILINETYPE:
1514  case MULTIPOLYGONTYPE:
1515  case COMPOUNDTYPE:
1516  case CURVEPOLYTYPE:
1517  case MULTICURVETYPE:
1518  case MULTISURFACETYPE:
1519  case POLYHEDRALSURFACETYPE:
1520  case TINTYPE:
1521  case COLLECTIONTYPE:
1522  return (LWGEOM *)lwcollection_from_gserialized_buffer(data_ptr, g_flags, g_size);
1523  default:
1524  lwerror("Unknown geometry type: %d - %s", type, lwtype_name(type));
1525  return NULL;
1526  }
1527 }
#define LINETYPE
Definition: liblwgeom.h:86
static LWLINE * lwline_from_gserialized_buffer(uint8_t *data_ptr, uint8_t g_flags, size_t *g_size)
static LWTRIANGLE * lwtriangle_from_gserialized_buffer(uint8_t *data_ptr, uint8_t g_flags, size_t *g_size)
static LWCIRCSTRING * lwcircstring_from_gserialized_buffer(uint8_t *data_ptr, uint8_t g_flags, size_t *g_size)
#define MULTICURVETYPE
Definition: liblwgeom.h:95
static LWCOLLECTION * lwcollection_from_gserialized_buffer(uint8_t *data_ptr, uint8_t g_flags, size_t *g_size)
static LWPOLY * lwpoly_from_gserialized_buffer(uint8_t *data_ptr, uint8_t g_flags, size_t *g_size)
#define FLAGS_GET_GEODETIC(flags)
Definition: liblwgeom.h:143
#define POLYGONTYPE
Definition: liblwgeom.h:87
#define CURVEPOLYTYPE
Definition: liblwgeom.h:94
#define COMPOUNDTYPE
Definition: liblwgeom.h:93
#define MULTIPOINTTYPE
Definition: liblwgeom.h:88
#define TRIANGLETYPE
Definition: liblwgeom.h:98
#define POLYHEDRALSURFACETYPE
Definition: liblwgeom.h:97
unsigned int uint32_t
Definition: uthash.h:78
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:218
#define FLAGS_GET_BBOX(flags)
Definition: liblwgeom.h:142
#define TINTYPE
Definition: liblwgeom.h:99
#define FLAGS_GET_Z(flags)
Macros for manipulating the 'flags' byte.
Definition: liblwgeom.h:140
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:90
#define MULTISURFACETYPE
Definition: liblwgeom.h:96
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:85
#define FLAGS_GET_M(flags)
Definition: liblwgeom.h:141
type
Definition: ovdump.py:41
tuple g_size
Definition: genraster.py:41
#define CIRCSTRINGTYPE
Definition: liblwgeom.h:92
#define MULTILINETYPE
Definition: liblwgeom.h:89
static uint32_t gserialized_get_uint32_t(const uint8_t *loc)
Definition: g_serialized.c:35
#define LWDEBUGF(level, msg,...)
Definition: lwgeom_log.h:88
static LWPOINT * lwpoint_from_gserialized_buffer(uint8_t *data_ptr, uint8_t g_flags, size_t *g_size)
void lwerror(const char *fmt,...)
Write a notice out to the error handler.
Definition: lwutil.c:190
#define COLLECTIONTYPE
Definition: liblwgeom.h:91
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