PostGIS  2.3.8dev-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 1239 of file g_serialized.c.

References CIRCSTRINGTYPE, COLLECTIONTYPE, COMPOUNDTYPE, CURVEPOLYTYPE, FLAGS_GET_BBOX, FLAGS_GET_GEODETIC, FLAGS_GET_M, FLAGS_GET_Z, LINETYPE, lw_get_uint32_t(), 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().

1240 {
1241  uint32_t type;
1242 
1243  assert(data_ptr);
1244 
1245  type = lw_get_uint32_t(data_ptr);
1246 
1247  LWDEBUGF(2, "Got type %d (%s), hasz=%d hasm=%d geodetic=%d hasbox=%d", type, lwtype_name(type),
1248  FLAGS_GET_Z(g_flags), FLAGS_GET_M(g_flags), FLAGS_GET_GEODETIC(g_flags), FLAGS_GET_BBOX(g_flags));
1249 
1250  switch (type)
1251  {
1252  case POINTTYPE:
1253  return (LWGEOM *)lwpoint_from_gserialized_buffer(data_ptr, g_flags, g_size);
1254  case LINETYPE:
1255  return (LWGEOM *)lwline_from_gserialized_buffer(data_ptr, g_flags, g_size);
1256  case CIRCSTRINGTYPE:
1257  return (LWGEOM *)lwcircstring_from_gserialized_buffer(data_ptr, g_flags, g_size);
1258  case POLYGONTYPE:
1259  return (LWGEOM *)lwpoly_from_gserialized_buffer(data_ptr, g_flags, g_size);
1260  case TRIANGLETYPE:
1261  return (LWGEOM *)lwtriangle_from_gserialized_buffer(data_ptr, g_flags, g_size);
1262  case MULTIPOINTTYPE:
1263  case MULTILINETYPE:
1264  case MULTIPOLYGONTYPE:
1265  case COMPOUNDTYPE:
1266  case CURVEPOLYTYPE:
1267  case MULTICURVETYPE:
1268  case MULTISURFACETYPE:
1269  case POLYHEDRALSURFACETYPE:
1270  case TINTYPE:
1271  case COLLECTIONTYPE:
1272  return (LWGEOM *)lwcollection_from_gserialized_buffer(data_ptr, g_flags, g_size);
1273  default:
1274  lwerror("Unknown geometry type: %d - %s", type, lwtype_name(type));
1275  return NULL;
1276  }
1277 }
#define LINETYPE
Definition: liblwgeom.h:85
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:94
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:142
#define POLYGONTYPE
Definition: liblwgeom.h:86
#define CURVEPOLYTYPE
Definition: liblwgeom.h:93
#define COMPOUNDTYPE
Definition: liblwgeom.h:92
#define MULTIPOINTTYPE
Definition: liblwgeom.h:87
#define TRIANGLETYPE
Definition: liblwgeom.h:97
#define POLYHEDRALSURFACETYPE
Definition: liblwgeom.h:96
uint32_t lw_get_uint32_t(const uint8_t *loc)
Definition: lwgeom_api.c:582
const char * lwtype_name(uint8_t type)
Return the type name string associated with a type number (e.g.
Definition: lwutil.c:216
#define FLAGS_GET_BBOX(flags)
Definition: liblwgeom.h:141
#define TINTYPE
Definition: liblwgeom.h:98
#define FLAGS_GET_Z(flags)
Macros for manipulating the 'flags' byte.
Definition: liblwgeom.h:139
#define MULTIPOLYGONTYPE
Definition: liblwgeom.h:89
#define MULTISURFACETYPE
Definition: liblwgeom.h:95
#define POINTTYPE
LWTYPE numbers, used internally by PostGIS.
Definition: liblwgeom.h:84
#define FLAGS_GET_M(flags)
Definition: liblwgeom.h:140
type
Definition: ovdump.py:41
tuple g_size
Definition: genraster.py:41
#define CIRCSTRINGTYPE
Definition: liblwgeom.h:91
#define MULTILINETYPE
Definition: liblwgeom.h:88
#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:102
#define COLLECTIONTYPE
Definition: liblwgeom.h:90
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