parse_geojson_linestring()

static LWGEOM* parse_geojson_linestring ( json_object *  geojson, int *  hasz, int  root_srid  )

static

Definition at line 190 of file lwin_geojson.c.

References findMemberByName(), geojson_lwerror(), LWDEBUG, lwline_construct(), parse_geojson_coord(), and ptarray_construct_empty().

Referenced by parse_geojson().

{
        LWGEOM *geom;
        POINTARRAY *pa;
        json_object* points = NULL;
        int i = 0;

        LWDEBUG(2, "parse_geojson_linestring called.");

        points = findMemberByName( geojson, "coordinates" );
        if ( ! points )
        {
                geojson_lwerror("Unable to find 'coordinates' in GeoJSON string", 4);
        return NULL;
        }

        pa = ptarray_construct_empty(1, 0, 1);

        if( json_type_array == json_object_get_type( points ) )
        {
                const int nPoints = json_object_array_length( points );
                for(i = 0; i < nPoints; ++i)
                {
                        json_object* coords = NULL;
                        coords = json_object_array_get_idx( points, i );
                        parse_geojson_coord(coords, hasz, pa);
                }
        }

        geom = (LWGEOM *) lwline_construct(root_srid, NULL, pa);

        LWDEBUG(2, "parse_geojson_linestring finished.");
        return geom;
}

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