/*
- pointer-group-interface.cc -- implement Pointer_group_interface
+ This file is part of LilyPond, the GNU music typesetter.
- source file of the GNU LilyPond music typesetter
+ Copyright (C) 2005--2015 Han-Wen Nienhuys <hanwen@xs4all.nl>
- (c) 2005--2006 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 "pointer-group-interface.hh"
-#include "lily-proto.hh"
-#include "item.hh"
#include "grob-array.hh"
#include "grob.hh"
int
Pointer_group_interface::count (Grob *me, SCM sym)
{
- Grob_array *arr = unsmob_grob_array (me->internal_get_object (sym));
+ Grob_array *arr = unsmob<Grob_array> (me->internal_get_object (sym));
return arr ? arr->size () : 0;
}
void
Pointer_group_interface::add_grob (Grob *me, SCM sym, SCM p)
{
- add_grob (me, sym, unsmob_grob (p));
+ add_grob (me, sym, unsmob<Grob> (p));
}
void
Pointer_group_interface::get_grob_array (Grob *me, SCM sym)
{
SCM scm_arr = me->internal_get_object (sym);
- Grob_array *arr = unsmob_grob_array (scm_arr);
+ Grob_array *arr = unsmob<Grob_array> (scm_arr);
if (!arr)
{
scm_arr = Grob_array::make_array ();
- arr = unsmob_grob_array (scm_arr);
+ arr = unsmob<Grob_array> (scm_arr);
me->set_object (sym, scm_arr);
}
return arr;
}
+Grob *
+Pointer_group_interface::find_grob (Grob *me, SCM sym, bool (*pred) (Grob *))
+{
+ Grob_array *arr = get_grob_array (me, sym);
+
+ for (vsize i = 0; i < arr->size (); i++)
+ if (pred (arr->grob (i)))
+ return arr->grob (i);
+
+ return 0;
+}
+
void
Pointer_group_interface::add_grob (Grob *me, SCM sym, Grob *p)
{
arr->set_ordered (false);
}
-static vector<Grob*> empty_array;
+static vector<Grob *> empty_array;
-vector<Grob*> const &
+vector<Grob *> const &
ly_scm2link_array (SCM x)
{
- Grob_array *arr = unsmob_grob_array (x);
+ Grob_array *arr = unsmob<Grob_array> (x);
return arr ? arr->array () : empty_array;
}
-vector<Grob*> const &
+vector<Grob *> const &
internal_extract_grob_array (Grob const *elt, SCM symbol)
{
- return ly_scm2link_array (elt->internal_get_object (symbol));
+ return elt
+ ? ly_scm2link_array (elt->internal_get_object (symbol))
+ : empty_array;
}
-vector<Item*>
+vector<Item *>
internal_extract_item_array (Grob const *elt, SCM symbol)
{
- Grob_array *arr = unsmob_grob_array (elt->internal_get_object (symbol));
- vector<Item*> items;
+ Grob_array *arr = unsmob<Grob_array> (elt->internal_get_object (symbol));
+ vector<Item *> items;
for (vsize i = 0; arr && i < arr->size (); i++)
items.push_back (arr->item (i));