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/* Copyright (c) 2002-2003 krzYszcz and others.
* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution. */
/* This is a modified version of Joseph A. Sarlo's code.
The most important changes are listed in "pd-lib-notes.txt" file. */
/* LATER compare with iter.c from max sdk */
/* LATER clean up buffer handling */
#include <string.h>
#include "m_pd.h"
#include "common/grow.h"
#define ITER_INISIZE 8 /* LATER rethink */
typedef struct _iter
{
t_object x_ob;
int x_size; /* as allocated */
int x_natoms; /* as used */
t_symbol *x_selector;
t_atom *x_message;
t_atom x_messini[ITER_INISIZE];
} t_iter;
static t_class *iter_class;
/* CHECKED: both floats and symbols */
static void iter_dobang(t_iter *x, t_symbol *s, int ac, t_atom *av)
{
if (s && s != &s_)
outlet_symbol(((t_object *)x)->ob_outlet, s);
while (ac--)
{
if (av->a_type == A_FLOAT)
outlet_float(((t_object *)x)->ob_outlet, av->a_w.w_float);
else if (av->a_type == A_SYMBOL)
outlet_symbol(((t_object *)x)->ob_outlet, av->a_w.w_symbol);
av++;
}
}
static void iter_bang(t_iter *x)
{
iter_dobang(x, x->x_selector, x->x_natoms, x->x_message);
}
static void iter_float(t_iter *x, t_float f)
{
outlet_float(((t_object *)x)->ob_outlet, f);
x->x_selector = 0;
x->x_natoms = 1;
SETFLOAT(x->x_message, f);
}
/* CHECKME */
static void iter_symbol(t_iter *x, t_symbol *s)
{
outlet_symbol(((t_object *)x)->ob_outlet, s);
x->x_selector = 0;
x->x_natoms = 1;
SETSYMBOL(x->x_message, s);
}
/* LATER gpointer */
static void iter_anything(t_iter *x, t_symbol *s, int ac, t_atom *av)
{
iter_dobang(x, s, ac, av);
x->x_selector = s;
if (ac > x->x_size)
x->x_message = grow_nodata(&ac, &x->x_size, x->x_message,
ITER_INISIZE, x->x_messini,
sizeof(*x->x_message));
x->x_natoms = ac;
memcpy(x->x_message, av, ac * sizeof(*x->x_message));
}
static void iter_list(t_iter *x, t_symbol *s, int ac, t_atom *av)
{
iter_anything(x, 0, ac, av);
}
static void iter_free(t_iter *x)
{
if (x->x_message != x->x_messini)
freebytes(x->x_message, x->x_natoms * sizeof(*x->x_message));
}
static void *iter_new(void)
{
t_iter *x = (t_iter *)pd_new(iter_class);
x->x_size = ITER_INISIZE;
x->x_natoms = 0;
x->x_message = x->x_messini;
outlet_new((t_object *)x, &s_anything);
return (x);
}
void iter_setup(void)
{
iter_class = class_new(gensym("iter"),
(t_newmethod)iter_new,
(t_method)iter_free,
sizeof(t_iter), 0, 0);
class_addbang(iter_class, iter_bang);
class_addfloat(iter_class, iter_float);
class_addsymbol(iter_class, iter_symbol);
class_addlist(iter_class, iter_list);
class_addanything(iter_class, iter_anything);
}
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