2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2010 Han-Wen Nienhuys <hanwen@xs4all.nl>
7 LilyPond is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 LilyPond is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
21 #include "grob-array.hh"
24 LY_DEFINE (ly_grob_array_length
, "ly:grob-array-length",
27 "Return the length of @var{grob-arr}.")
29 LY_ASSERT_SMOB (Grob_array
, grob_arr
, 1);
31 Grob_array
*me
= unsmob_grob_array (grob_arr
);
32 return scm_from_int (me
->size ());
36 LY_DEFINE (ly_grob_array_ref
, "ly:grob-array-ref",
38 (SCM grob_arr
, SCM index
),
39 "Retrieve the @var{index}th element of @var{grob-arr}.")
41 Grob_array
*me
= unsmob_grob_array (grob_arr
);
42 LY_ASSERT_SMOB (Grob_array
, grob_arr
, 1);
43 LY_ASSERT_TYPE (scm_is_integer
, index
, 2);
45 vsize i
= scm_to_unsigned (index
);
46 if (i
== VPOS
|| i
>= me
->size ())
47 scm_out_of_range (NULL
, scm_from_unsigned (i
));
49 return me
->grob (i
)->self_scm ();