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/* For information on usage and redistribution, and for a DISCLAIMER OF ALL
* WARRANTIES, see the file, "LICENSE.txt," in this distribution.
iemlib2 written by Thomas Musil, Copyright (c) IEM KUG Graz Austria 2000 - 2006 */
#include "m_pd.h"
#include "iemlib.h"
/* ------------------------- prepend_ascii ---------------------------- */
/* -- this object prepends to any incoming message a selector symbol -- */
/* --- containing the n-th character of the ASCII-table. "n" is the --- */
/* ----------------- first initial argument (integer) ----------------- */
static t_class *prepend_ascii_class;
typedef struct _prepend_ascii
{
t_object x_obj;
t_atom *x_at;
int x_size;
int x_ac;
t_symbol *x_sym;
} t_prepend_ascii;
static void prepend_ascii_atcopy(t_atom *src, t_atom *dst, int n)
{
while(n--)
*dst++ = *src++;
}
static void prepend_ascii_bang(t_prepend_ascii *x)
{
outlet_anything(x->x_obj.ob_outlet, x->x_sym, x->x_ac, x->x_at);
}
static void prepend_ascii_float(t_prepend_ascii *x, t_floatarg f)
{
SETFLOAT(x->x_at+x->x_ac, f);
outlet_anything(x->x_obj.ob_outlet, x->x_sym, x->x_ac+1, x->x_at);
}
static void prepend_ascii_symbol(t_prepend_ascii *x, t_symbol *s)
{
SETSYMBOL(x->x_at+x->x_ac, s);
outlet_anything(x->x_obj.ob_outlet, x->x_sym, x->x_ac+1, x->x_at);
}
static void prepend_ascii_pointer(t_prepend_ascii *x, t_gpointer *gp)
{
SETPOINTER(x->x_at+x->x_ac, gp);
outlet_anything(x->x_obj.ob_outlet, x->x_sym, x->x_ac+1, x->x_at);
}
static void prepend_ascii_list(t_prepend_ascii *x, t_symbol *s, int ac, t_atom *av)
{
if((ac+x->x_ac) > x->x_size)
{
x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (ac+x->x_ac)*sizeof(t_atom));
x->x_size = (ac+x->x_ac);
}
prepend_ascii_atcopy(av, x->x_at+x->x_ac, ac);
outlet_anything(x->x_obj.ob_outlet, x->x_sym, ac+x->x_ac, x->x_at);
}
static void prepend_ascii_anything(t_prepend_ascii *x, t_symbol *s, int ac, t_atom *av)
{
if((ac+x->x_ac+1) > x->x_size)
{
x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (ac+x->x_ac+1)*sizeof(t_atom));
x->x_size = (ac+x->x_ac+1);
}
SETSYMBOL(x->x_at+x->x_ac, s);
prepend_ascii_atcopy(av, x->x_at+x->x_ac+1, ac);
outlet_anything(x->x_obj.ob_outlet, x->x_sym, ac+x->x_ac+1, x->x_at);
}
static void prepend_ascii_free(t_prepend_ascii *x)
{
if(x->x_at)
freebytes(x->x_at, x->x_size * sizeof(t_atom));
}
static void *prepend_ascii_new(t_symbol *s, int ac, t_atom *av)
{
if((ac <= 0) || (!IS_A_FLOAT(av,0)))
{
post("ERROR: prepend_ascii need a float between 1 and 255 as 1. arg. !!!");
return(0);
}
else
{
t_prepend_ascii *x = (t_prepend_ascii *)pd_new(prepend_ascii_class);
char str[2];
int i;
x->x_size = 10 + ac;
x->x_at = (t_atom *)getbytes(x->x_size * sizeof(t_atom));
str[0] = (char)((int)(atom_getfloatarg(0,ac,av))&0xff);
str[1] = 0;
x->x_sym = gensym(str);
x->x_ac = ac - 1;
for(i=1; i<ac; i++)
x->x_at[i-1] = av[i];
outlet_new(&x->x_obj, &s_list);
return (x);
}
}
void prepend_ascii_setup(void)
{
prepend_ascii_class = class_new(gensym("prepend_ascii"), (t_newmethod)prepend_ascii_new,
(t_method)prepend_ascii_free, sizeof(t_prepend_ascii), 0, A_GIMME, 0);
class_addbang(prepend_ascii_class, (t_method)prepend_ascii_bang);
class_addfloat(prepend_ascii_class, (t_method)prepend_ascii_float);
class_addsymbol(prepend_ascii_class, prepend_ascii_symbol);
class_addpointer(prepend_ascii_class, prepend_ascii_pointer);
class_addlist(prepend_ascii_class, prepend_ascii_list);
class_addanything(prepend_ascii_class, prepend_ascii_anything);
// class_sethelpsymbol(prepend_ascii_class, gensym("iemhelp/help-prepend_ascii"));
}
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