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/*
This file is part of LilyPond, the GNU music typesetter.
Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
LilyPond is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
*/
#include "grob-array.hh"
#include "grob.hh"
LY_DEFINE (ly_grob_array_length, "ly:grob-array-length",
1, 0, 0,
(SCM grob_arr),
"Return the length of @var{grob-arr}.")
{
LY_ASSERT_SMOB (Grob_array, grob_arr, 1);
Grob_array *me = unsmob<Grob_array> (grob_arr);
return scm_from_int (me->size ());
}
LY_DEFINE (ly_grob_array_ref, "ly:grob-array-ref",
2, 0, 0,
(SCM grob_arr, SCM index),
"Retrieve the @var{index}th element of @var{grob-arr}.")
{
Grob_array *me = unsmob<Grob_array> (grob_arr);
LY_ASSERT_SMOB (Grob_array, grob_arr, 1);
LY_ASSERT_TYPE (scm_is_integer, index, 2);
vsize i = scm_to_uint (index);
if (i == VPOS || i >= me->size ())
scm_out_of_range (NULL, scm_from_unsigned_integer (i));
return me->grob (i)->self_scm ();
}
LY_DEFINE (ly_grob_array_2_list, "ly:grob-array->list",
1, 0, 0,
(SCM grob_arr),
"Return the elements of @var{grob-arr} as a Scheme list.")
{
Grob_array *me = unsmob<Grob_array> (grob_arr);
LY_ASSERT_SMOB (Grob_array, grob_arr, 1);
return grob_array_to_list (me);
}
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