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/*
* atoi: ascii to integer 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 *atoi_class;
typedef struct _atoi {
t_object x_obj;
int x_i;
t_outlet*x_reject;
} t_atoi;
static void atoi_bang(t_atoi *x)
{
outlet_float(x->x_obj.ob_outlet, (t_float)x->x_i);
}
static void atoi_float(t_atoi *x, t_float f)
{
x->x_i = f;
atoi_bang(x);
}
static void atoi_atoi(t_atoi *x, t_symbol*s, int base)
{
char*endptr=NULL;
const char*str=s->s_name;
long l=strtol(str, &endptr, base);
size_t len=strlen(str);
if(str+len == endptr) {
atoi_float(x, l);
} else {
outlet_symbol(x->x_reject, s);
}
}
static void atoi_symbol(t_atoi *x, t_symbol *sym)
{
int base=10;
const char* s = sym->s_name;
if(s[0]=='0') {
base=8;
if (s[1]=='x') {
base=16;
}
}
atoi_atoi(x, sym, base);
}
static void atoi_list(t_atoi *x, t_symbol* s, int argc, t_atom *argv)
{
int base=10;
if (argv->a_type==A_FLOAT) {
atoi_float(x, atom_getfloat(argv));
return;
}
if (argc>1) {
base=atom_getfloat(argv+1);
if (base<2) {
error("atoi: setting base to 10");
base=10;
}
}
atoi_atoi(x, s, base);
}
static void atoi_free(t_atoi *x)
{
outlet_free(x->x_reject);
x->x_reject=NULL;
}
static void *atoi_new(void)
{
t_atoi *x = (t_atoi *)pd_new(atoi_class);
outlet_new(&x->x_obj, gensym("float"));
x->x_reject=outlet_new(&x->x_obj, gensym("symbol"));
x->x_i=0;
return (x);
}
void atoi_setup(void)
{
atoi_class = class_new(gensym("atoi"), (t_newmethod)atoi_new,
(t_method)atoi_free,
sizeof(t_atoi), 0, A_DEFFLOAT, 0);
class_addbang(atoi_class, (t_method)atoi_bang);
class_addfloat(atoi_class, (t_method)atoi_float);
class_addlist(atoi_class, (t_method)atoi_list);
class_addsymbol(atoi_class, (t_method)atoi_symbol);
class_addanything(atoi_class, (t_method)atoi_symbol);
zexy_register("atoi");
}
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