2 This file is part of LilyPond, the GNU music typesetter.
4 Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
6 LilyPond is free software: you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation, either version 3 of the License, or
9 (at your option) any later version.
11 LilyPond is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with LilyPond. If not, see <http://www.gnu.org/licenses/>.
20 #include "pointer-group-interface.hh"
22 #include "grob-array.hh"
28 Pointer_group_interface::count (Grob *me, SCM sym)
30 Grob_array *arr = unsmob<Grob_array> (me->internal_get_object (sym));
31 return arr ? arr->size () : 0;
35 Pointer_group_interface::add_grob (Grob *me, SCM sym, SCM p)
37 add_grob (me, sym, unsmob<Grob> (p));
41 Pointer_group_interface::set_ordered (Grob *me, SCM sym, bool ordered)
43 Grob_array *arr = get_grob_array (me, sym);
44 arr->set_ordered (ordered);
48 Pointer_group_interface::get_grob_array (Grob *me, SCM sym)
50 SCM scm_arr = me->internal_get_object (sym);
51 Grob_array *arr = unsmob<Grob_array> (scm_arr);
54 scm_arr = Grob_array::make_array ();
55 arr = unsmob<Grob_array> (scm_arr);
56 me->set_object (sym, scm_arr);
62 Pointer_group_interface::find_grob (Grob *me, SCM sym, bool (*pred) (Grob *))
64 Grob_array *arr = get_grob_array (me, sym);
66 for (vsize i = 0; i < arr->size (); i++)
67 if (pred (arr->grob (i)))
74 Pointer_group_interface::add_grob (Grob *me, SCM sym, Grob *p)
76 Grob_array *arr = get_grob_array (me, sym);
81 Pointer_group_interface::add_unordered_grob (Grob *me, SCM sym, Grob *p)
83 Grob_array *arr = get_grob_array (me, sym);
85 arr->set_ordered (false);
88 static vector<Grob *> empty_array;
90 vector<Grob *> const &
91 ly_scm2link_array (SCM x)
93 Grob_array *arr = unsmob<Grob_array> (x);
94 return arr ? arr->array () : empty_array;
97 vector<Grob *> const &
98 internal_extract_grob_array (Grob const *elt, SCM symbol)
101 ? ly_scm2link_array (elt->internal_get_object (symbol))
106 internal_extract_item_array (Grob const *elt, SCM symbol)
108 Grob_array *arr = unsmob<Grob_array> (elt->internal_get_object (symbol));
109 vector<Item *> items;
110 for (vsize i = 0; arr && i < arr->size (); i++)
111 items.push_back (arr->item (i));