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/*
* atof: ascii to A_FLOAT converter
*
* (c) 1999-2011 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/>.
*/
#include "zexy.h"
#include <stdlib.h>
#include <string.h>
static t_class *atof_class;
typedef struct _atof {
t_object x_obj;
t_float x_f;
t_outlet*x_reject;
} t_atof;
static void atof_bang(t_atof *x)
{
outlet_float(x->x_obj.ob_outlet, (t_float)x->x_f);
}
static void atof_float(t_atof *x, t_floatarg f)
{
x->x_f = f;
atof_bang(x);
}
static void atof_symbol(t_atof *x, t_symbol *sym)
{
const char* s = sym->s_name;
char*endptr=NULL;
double d=strtod(s, &endptr);
size_t len=strlen(s);
if(endptr && ((s+len)==endptr)) {
atof_float(x, d);
} else {
outlet_symbol(x->x_reject, sym);
}
}
static void atof_list(t_atof *x, t_symbol* UNUSED(s), int argc,
t_atom *argv)
{
if(!argc) {
atof_bang(x);
return;
}
if (argv->a_type==A_FLOAT) {
atof_float(x, atom_getfloat(argv));
return;
}
atof_symbol(x, atom_getsymbol(argv));
}
static void atof_free(t_atof*x)
{
outlet_free(x->x_reject);
x->x_reject=NULL;
}
static void *atof_new(void)
{
t_atof *x = (t_atof *)pd_new(atof_class);
outlet_new(&x->x_obj, gensym("float"));
x->x_reject=outlet_new(&x->x_obj, gensym("symbol"));
x->x_f = 0.;
return (x);
}
void atof_setup(void)
{
atof_class = class_new(gensym("atof"), (t_newmethod)atof_new,
(t_method)atof_free,
sizeof(t_atof), 0, A_DEFFLOAT, 0);
class_addbang(atof_class, (t_method)atof_bang);
class_addfloat(atof_class, (t_method)atof_float);
class_addlist(atof_class, (t_method)atof_list);
class_addsymbol(atof_class, (t_method)atof_symbol);
class_addanything(atof_class, (t_method)atof_symbol);
zexy_register("atof");
}
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