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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 - 2005 */
#include "m_pd.h"
#include "iemlib.h"
#include <string.h>
/* -------------------------- stripfilename ----------------------- */
/* -- strips the first n or last n characters, depending on sign -- */
/* ------- of the initial argument (set message argument) --------- */
static t_class *stripfilename_class;
typedef struct _stripfilename
{
t_object x_obj;
int x_nr_char;
char x_mem[MAXPDSTRING];
} t_stripfilename;
static void stripfilename_symbol(t_stripfilename *x, t_symbol *s)
{
if(x->x_nr_char < 0)/* cuts the string from the back */
{
int len = strlen(s->s_name);
int i=len + x->x_nr_char;
if(len > (MAXPDSTRING - 2))
strncpy(x->x_mem, s->s_name, MAXPDSTRING - 2 - len);
else
strcpy(x->x_mem, s->s_name);
if(i < 0)
i = 0;
x->x_mem[i] = 0;
outlet_symbol(x->x_obj.ob_outlet, gensym(x->x_mem));
}
else if(x->x_nr_char > 0)/* starts the string at this new offset */
{
int len = strlen(s->s_name);
int i=x->x_nr_char;
if(len > (MAXPDSTRING - 2))
strncpy(x->x_mem, s->s_name, MAXPDSTRING - 2 - len);
else
strcpy(x->x_mem, s->s_name);
if(i > len)
i = len;
outlet_symbol(x->x_obj.ob_outlet, gensym(x->x_mem+i));
}
else
outlet_symbol(x->x_obj.ob_outlet, s);
}
static void stripfilename_set(t_stripfilename *x, t_floatarg nr_char)
{
x->x_nr_char = (int)nr_char;
}
static void *stripfilename_new(t_floatarg nr_char)
{
t_stripfilename *x = (t_stripfilename *)pd_new(stripfilename_class);
stripfilename_set(x, nr_char);
outlet_new(&x->x_obj, &s_symbol);
return (x);
}
void stripfilename_setup(void)
{
stripfilename_class = class_new(gensym("stripfilename"), (t_newmethod)stripfilename_new,
0, sizeof(t_stripfilename), 0, A_DEFFLOAT, 0);
class_addsymbol(stripfilename_class, stripfilename_symbol);
class_addmethod(stripfilename_class, (t_method)stripfilename_set, gensym("set"), A_FLOAT, 0);
class_sethelpsymbol(stripfilename_class, gensym("iemhelp/help-stripfilename"));
}
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