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/* :popen: for PD - windows + linux + (probably mac) - carmen rocco */
#include <m_pd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#define INBUFSIZE 1024
static t_class *popen_class;
typedef struct _popen
{
t_object x_obj;
char buffer[128];
t_symbol *x_s;
t_outlet* x_done;
} t_popen;
static void popen_out(t_popen* x)
{
int i;
int size = 0;
size = strlen(x->buffer);
for (i=0;i<size;i++)
if (x->buffer[i] == '\n' || x->buffer[i] == '\r') x->buffer[i] = '\0';
fprintf(stderr, "%s",x->buffer);
x->x_s = gensym(x->buffer);
outlet_symbol(x->x_obj.ob_outlet, x->x_s);
}
static void popen_anything(t_popen *x, t_symbol *s, int argc, t_atom *argv)
{
int i;
char arg[MAXPDSTRING];
char cmd[MAXPDSTRING] = "";
FILE *pPipe;
int size = 0;
for (i=0;i<argc;i++) {
atom_string(argv,arg+size,MAXPDSTRING - size);
argv++;
size=strlen(arg);
arg[size++] = ' ';
}
arg[size-1] = '\0';
strcat(cmd, s->s_name);
strcat(cmd, " ");
strcat(cmd, arg);
post("sending %s",cmd);
#ifdef _WIN32
if( (pPipe = _popen( cmd, "rt" )) == NULL )
#else
if( (pPipe = popen( cmd, "r" )) == NULL )
#endif
return;
while( !feof( pPipe ) )
{
if( fgets( x->buffer, 128, pPipe ) != NULL )
popen_out(x);
}
#ifdef _WIN32
_pclose( pPipe );
#else
pclose( pPipe );
#endif
outlet_bang(x->x_done);
}
void popen_free(t_popen* x)
{
}
static void *popen_new(void)
{
t_popen *x = (t_popen *)pd_new(popen_class);
outlet_new(&x->x_obj, &s_symbol);
x->x_done = outlet_new(&x->x_obj, &s_bang);
return (x);
}
void popen_setup(void)
{
popen_class = class_new(gensym("popen"), (t_newmethod)popen_new,
(t_method)popen_free,sizeof(t_popen), 0,0);
class_addbang(popen_class,popen_out);
class_addanything(popen_class, popen_anything);
}
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