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/*
* unpack: a type-agnostic version of [unpack]
*
* (c) 2007-2011 IOhannes m zmölnig, forum::für::umläute, institute of electronic music and acoustics (iem)
*
* This program 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 2
* of the License, or (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
/*
* this version of [unpack] does not care about types, so the arguments are merely there for documentation reasons
* (and to determine the number of outlets)
* e.g. sending [symbol foo( to [zexy/unpack 0] will output [symbol foo(
*
* for know this object is named [zexy/unpack], as there might be some issues with compatibility with the original [unpack]
*/
#include "zexy.h"
/* ------------------------- zunpack ------------------------------- */
/* like pack, but does no type-checking */
static t_class *zunpack_class;
typedef struct _zunpack
{
t_object x_obj;
t_outlet**x_out;
t_int x_numouts;
} t_zunpack;
static void zunpack_any(t_zunpack *x, t_symbol *s, int argc, t_atom *argv)
{
int offset=(s!=NULL)?1:0;
int count=((argc+offset)<(x->x_numouts))?(argc+offset):x->x_numouts;
while(count-->offset) {
outlet_list(x->x_out[count], gensym("list"), 1, argv+count-offset);
}
if(s!=NULL) {
outlet_symbol(x->x_out[0], s);
}
}
static void zunpack_list(t_zunpack *x, t_symbol *s, int argc, t_atom *argv)
{
zunpack_any(x, 0, argc, argv);
}
static void zunpack_bang(t_zunpack *x)
{
outlet_bang(x->x_out[0]);
}
static void zunpack_free(t_zunpack *x)
{
int i=0;
for(i=0; i<x->x_numouts; i++) {
outlet_free(x->x_out[i]);
}
freebytes(x->x_out, x->x_numouts*sizeof(t_outlet*));
x->x_numouts=0;
x->x_out=0;
}
static void *zunpack_new(t_symbol*s, int argc, t_atom*argv)
{
t_zunpack *x = (t_zunpack *)pd_new(zunpack_class);
int count=(argc>0)?argc:2;
int i=0;
x->x_numouts=count;
x->x_out=(t_outlet**)getbytes(count*sizeof(t_outlet*));
for(i=0; i<count; i++) {
x->x_out[i] =outlet_new(&x->x_obj, 0);
}
return (x);
}
void zunpack_setup(void)
{
zunpack_class = class_new(gensym("zexy/unpack"),
(t_newmethod)zunpack_new, (t_method)zunpack_free, sizeof(t_zunpack),
0, A_GIMME, 0);
#if 0
/* oops Pd-0.42 allows us to override built-ins
* this is bad as long as the 2 objects are not compatible */
class_addcreator((t_newmethod)zunpack_new, gensym("unpack"), A_GIMME, 0);
#endif
class_addbang(zunpack_class, zunpack_bang);
class_addlist(zunpack_class, zunpack_list);
class_addanything(zunpack_class, zunpack_any);
zexy_register("unpack");
}
void unpack_setup(void)
{
zunpack_setup();
}
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