LWCOMPOUND *
lwcompound_deserialize(uchar *serialized)
{
LWCOMPOUND *result;
LWGEOM_INSPECTED *insp;
int type = lwgeom_getType(serialized[0]);
int i;
if(type != COMPOUNDTYPE)
{
lwerror("lwcompound_deserialize called on non compound: %d", type);
return NULL;
}
insp = lwgeom_inspect(serialized);
result = lwalloc(sizeof(LWCOMPOUND));
result->type = insp->type;
result->SRID = insp->SRID;
result->ngeoms = insp->ngeometries;
result->geoms = lwalloc(sizeof(LWGEOM *)*insp->ngeometries);
if(lwgeom_hasBBOX(serialized[0]))
{
result->bbox = lwalloc(sizeof(BOX2DFLOAT4));
memcpy(result->bbox, serialized + 1, sizeof(BOX2DFLOAT4));
}
else result->bbox = NULL;
for(i = 0; i < insp->ngeometries; i++)
{
if(lwgeom_getType(insp->sub_geoms[i][0]) == LINETYPE)
result->geoms[i] = (LWGEOM *)lwline_deserialize(insp->sub_geoms[i]);
else
result->geoms[i] = (LWGEOM *)lwcircstring_deserialize(insp->sub_geoms[i]);
if(TYPE_NDIMS(result->geoms[i]->type) != TYPE_NDIMS(result->type))
{
lwerror("Mixed dimensions (compound: %d, line/circularstring %d:%d)",
TYPE_NDIMS(result->type), i,
TYPE_NDIMS(result->geoms[i]->type)
);
lwfree(result);
return NULL;
}
}
return result;
}
LWMCURVE *
lwmcurve_deserialize(uchar *srl)
{
LWMCURVE *result;
LWGEOM_INSPECTED *insp;
int stype;
int type = lwgeom_getType(srl[0]);
int i;
if (type != MULTICURVETYPE)
{
lwerror("lwmcurve_deserialize called on NON multicurve: %d", type);
return NULL;
}
insp = lwgeom_inspect(srl);
result = lwalloc(sizeof(LWMCURVE));
result->type = insp->type;
result->SRID = insp->SRID;
result->ngeoms = insp->ngeometries;
if ( insp->ngeometries )
{
result->geoms = lwalloc(sizeof(LWGEOM *)*insp->ngeometries);
}
else
{
result->geoms = NULL;
}
if (lwgeom_hasBBOX(srl[0]))
{
result->bbox = lwalloc(sizeof(BOX2DFLOAT4));
memcpy(result->bbox, srl+1, sizeof(BOX2DFLOAT4));
}
else result->bbox = NULL;
for (i = 0; i < insp->ngeometries; i++)
{
stype = lwgeom_getType(insp->sub_geoms[i][0]);
if (stype == CIRCSTRINGTYPE)
{
result->geoms[i] = (LWGEOM *)lwcircstring_deserialize(insp->sub_geoms[i]);
}
else if (stype == LINETYPE)
{
result->geoms[i] = (LWGEOM *)lwline_deserialize(insp->sub_geoms[i]);
}
else if (stype == COMPOUNDTYPE)
{
result->geoms[i] = (LWGEOM *)lwcompound_deserialize(insp->sub_geoms[i]);
}
else
{
lwerror("Only Circular strings, Line strings or Compound curves are permitted in a MultiCurve.");
lwfree(result);
lwfree(insp);
return NULL;
}
if (TYPE_NDIMS(result->geoms[i]->type) != TYPE_NDIMS(result->type))
{
lwerror("Mixed dimensions (multicurve: %d, curve %d:%d)",
TYPE_NDIMS(result->type), i,
TYPE_NDIMS(result->geoms[i]->type));
lwfree(result);
lwfree(insp);
return NULL;
}
}
return result;
}
