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/*
* author: David Merrill <dmerrill@media.mit.edu>
* based on code from Tom Schouten, found online at:
* http://lists.puredata.info/pipermail/pd-list/2002-02/004871.html
*/
#include "m_pd.h"
#include <stdio.h>
#define MAXHEAD 1024
typedef struct{
char buffer[MAXHEAD];
} t_parseeventnodenum_data;
typedef struct parseeventnodenum
{
t_object t_ob;
t_outlet *x_out;
t_outlet *x_out_error;
} t_parseeventnodenum;
void penn_any_method(t_parseeventnodenum *x, t_symbol *s, int argc, t_atom *argv)
{
char* p = s->s_name;
int eventnodenum = -1, rv = 0;
if (sscanf(p,"/dev/input/event%i",&eventnodenum)) {
// success, send the float to the left outlet
outlet_float(x->x_out, eventnodenum);
} else {
// failure, send the input symbol to the right outlet
outlet_symbol(x->x_out_error, gensym(p));
}
}
void parseeventnodenum_free(void)
{
}
t_class *parseeventnodenum_class;
void *parseeventnodenum_new(void)
{
t_parseeventnodenum *x = (t_parseeventnodenum *)pd_new(parseeventnodenum_class);
// left outlet is where the parsed number will come out
x->x_out = outlet_new(&x->t_ob, gensym("float"));
// right outlet is where the original string will come out if an error occured
x->x_out_error = outlet_new(&x->t_ob, gensym("symbol"));
return (void *)x;
}
void parseeventnodenum_setup(void)
{
parseeventnodenum_class = class_new(gensym("parseeventnodenum"), (t_newmethod)parseeventnodenum_new,
(t_method)parseeventnodenum_free, sizeof(t_parseeventnodenum), 0, 0);
class_addanything(parseeventnodenum_class, penn_any_method);
}
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