Datum geography_in(PG_FUNCTION_ARGS)
{
char *str = PG_GETARG_CSTRING(0);
/* Datum geog_oid = PG_GETARG_OID(1); Not needed. */
int32 geog_typmod = -1;
LWGEOM_PARSER_RESULT lwg_parser_result;
LWGEOM *lwgeom = NULL;
GSERIALIZED *g_ser = NULL;
if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
geog_typmod = PG_GETARG_INT32(2);
}
lwgeom_parser_result_init(&lwg_parser_result);
/* Empty string. */
if ( str[0] == '\0' )
ereport(ERROR,(errmsg("parse error - invalid geometry")));
/* WKB? Let's find out. */
if ( str[0] == '0' )
{
/* TODO: 20101206: No parser checks! This is inline with current 1.5 behavior, but needs discussion */
lwgeom = lwgeom_from_hexwkb(str, LW_PARSER_CHECK_NONE);
/* Error out if something went sideways */
if ( ! lwgeom )
ereport(ERROR,(errmsg("parse error - invalid geometry")));
}
/* WKT then. */
else
{
if ( lwgeom_parse_wkt(&lwg_parser_result, str, LW_PARSER_CHECK_ALL) == LW_FAILURE )
PG_PARSER_ERROR(lwg_parser_result);
lwgeom = lwg_parser_result.geom;
}
/* Error on any SRID != default */
srid_is_latlong(fcinfo, lwgeom->srid);
/* Convert to gserialized */
g_ser = gserialized_geography_from_lwgeom(lwgeom, geog_typmod);
/* Clean up temporary object */
lwgeom_free(lwgeom);
PG_RETURN_POINTER(g_ser);
}
static void test_wkt_in_errlocation(void)
{
LWGEOM_PARSER_RESULT p;
int rv = 0;
char *wkt = 0;
wkt = "LINESTRING((0 0 0,1 1)";
lwgeom_parser_result_init(&p);
rv = lwgeom_parse_wkt(&p, wkt, LW_PARSER_CHECK_ALL);
CU_ASSERT_EQUAL(12,p.errlocation);
lwgeom_parser_result_free(&p);
// printf("errlocation %d\n", p.errlocation);
// printf("message %s\n", p.message);
}
Datum LWGEOM_in(PG_FUNCTION_ARGS)
{
char *input = PG_GETARG_CSTRING(0);
int32 geom_typmod = -1;
char *str = input;
LWGEOM_PARSER_RESULT lwg_parser_result;
LWGEOM *lwgeom;
GSERIALIZED *ret;
int srid = 0;
if ( (PG_NARGS()>2) && (!PG_ARGISNULL(2)) ) {
geom_typmod = PG_GETARG_INT32(2);
}
lwgeom_parser_result_init(&lwg_parser_result);
/* Empty string. */
if ( str[0] == '\0' )
ereport(ERROR,(errmsg("parse error - invalid geometry")));
/* Starts with "SRID=" */
if( strncasecmp(str,"SRID=",5) == 0 )
{
/* Roll forward to semi-colon */
char *tmp = str;
while ( tmp && *tmp != ';' )
tmp++;
/* Check next character to see if we have WKB */
if ( tmp && *(tmp+1) == '0' )
{
/* Null terminate the SRID= string */
*tmp = '\0';
/* Set str to the start of the real WKB */
str = tmp + 1;
/* Move tmp to the start of the numeric part */
tmp = input + 5;
/* Parse out the SRID number */
srid = atoi(tmp);
}
}
/* WKB? Let's find out. */
if ( str[0] == '0' )
{
size_t hexsize = strlen(str);
unsigned char *wkb = bytes_from_hexbytes(str, hexsize);
/* TODO: 20101206: No parser checks! This is inline with current 1.5 behavior, but needs discussion */
lwgeom = lwgeom_from_wkb(wkb, hexsize/2, LW_PARSER_CHECK_NONE);
/* If we picked up an SRID at the head of the WKB set it manually */
if ( srid ) lwgeom_set_srid(lwgeom, srid);
/* Add a bbox if necessary */
if ( lwgeom_needs_bbox(lwgeom) ) lwgeom_add_bbox(lwgeom);
pfree(wkb);
ret = geometry_serialize(lwgeom);
lwgeom_free(lwgeom);
}
/* WKT then. */
else
{
if ( lwgeom_parse_wkt(&lwg_parser_result, str, LW_PARSER_CHECK_ALL) == LW_FAILURE )
{
PG_PARSER_ERROR(lwg_parser_result);
}
lwgeom = lwg_parser_result.geom;
if ( lwgeom_needs_bbox(lwgeom) )
lwgeom_add_bbox(lwgeom);
ret = geometry_serialize(lwgeom);
lwgeom_parser_result_free(&lwg_parser_result);
}
if ( geom_typmod >= 0 )
{
postgis_valid_typmod(ret, geom_typmod);
POSTGIS_DEBUG(3, "typmod and geometry were consistent");
}
else
{
POSTGIS_DEBUG(3, "typmod was -1");
}
/* Don't free the parser result (and hence lwgeom) until we have done */
/* the typemod check with lwgeom */
PG_RETURN_POINTER(ret);
}
Datum geography_in(PG_FUNCTION_ARGS)
{
char *str = PG_GETARG_CSTRING(0);
/* Datum geog_oid = PG_GETARG_OID(1); Not needed. */
int32 geog_typmod = PG_GETARG_INT32(2);
LWGEOM_PARSER_RESULT lwg_parser_result;
LWGEOM *lwgeom = NULL;
GSERIALIZED *g_ser = NULL;
lwgeom_parser_result_init(&lwg_parser_result);
/* Empty string. */
if ( str[0] == '\0' )
ereport(ERROR,(errmsg("parse error - invalid geometry")));
/* WKB? Let's find out. */
if ( str[0] == '0' )
{
/* TODO: 20101206: No parser checks! This is inline with current 1.5 behavior, but needs discussion */
lwgeom = lwgeom_from_hexwkb(str, LW_PARSER_CHECK_NONE);
/* Error out if something went sideways */
if ( ! lwgeom )
ereport(ERROR,(errmsg("parse error - invalid geometry")));
}
/* WKT then. */
else
{
if ( lwgeom_parse_wkt(&lwg_parser_result, str, LW_PARSER_CHECK_ALL) == LW_FAILURE )
PG_PARSER_ERROR(lwg_parser_result);
lwgeom = lwg_parser_result.geom;
}
/* Set geodetic flag */
lwgeom_set_geodetic(lwgeom, true);
/* Check that this is a type we can handle */
geography_valid_type(lwgeom->type);
/* Check that the coordinates are in range */
if ( lwgeom_check_geodetic(lwgeom) == LW_FALSE )
{
ereport(ERROR, (
errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("Coordinate values are out of range [-180 -90, 180 90] for GEOGRAPHY type" )));
}
/* Force default SRID to the default */
if ( (int)lwgeom->srid <= 0 )
lwgeom->srid = SRID_DEFAULT;
if ( geog_typmod >= 0 )
{
postgis_valid_typmod(lwgeom, geog_typmod);
POSTGIS_DEBUG(3, "typmod and geometry were consistent");
}
else
{
POSTGIS_DEBUG(3, "typmod was -1");
}
/*
** Serialize our lwgeom and set the geodetic flag so subsequent
** functions do the right thing.
*/
g_ser = geography_serialize(lwgeom);
/* Clean up temporary object */
lwgeom_free(lwgeom);
PG_RETURN_POINTER(g_ser);
}