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/*
* list2symbol: convert a list into a single symbol
*
* (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 <string.h>
/* ------------------------- list2symbol ------------------------------- */
static t_class *list2symbol_class;
typedef struct _list2symbol {
t_object x_obj;
int ac;
t_atom *ap;
t_symbol *s,*connector;
t_inlet *x_inlet2;
t_outlet*x_outlet;
} t_list2symbol;
static void list2symbol_connector(t_list2symbol *x, t_symbol *s)
{
x->connector = s;
}
static void list2symbol_bang(t_list2symbol *x)
{
t_atom *argv=x->ap;
int argc=x->ac;
char *result = 0;
int length = 0, len=0;
int i= argc;
char *connector=0;
char connlen=0;
char*buffer = (char*)getbytes(MAXPDSTRING*sizeof(char));
if(x->connector) {
connector=x->connector->s_name;
connlen=strlen(connector);
}
/* 1st get the length of the symbol */
if(x->s) {
length+=strlen(x->s->s_name);
} else {
length-=connlen;
}
length+=i*connlen;
while(i--) {
int len2=0;
if(A_SYMBOL==argv->a_type) {
len2=strlen(argv->a_w.w_symbol->s_name);
} else {
atom_string(argv, buffer, MAXPDSTRING);
len2=strlen(buffer);
}
length+=len2;
argv++;
}
if (length<=0) {
outlet_symbol(x->x_obj.ob_outlet, gensym(""));
return;
}
result = (char*)getbytes((length+1)*sizeof(char));
/* 2nd create the symbol */
if (x->s) {
char *buf = x->s->s_name;
int buflen=strlen(buf);
strncpy(result+len, buf, length-len);
len+=buflen;
if(i && connector) {
strncpy(result+len, connector, length-len);
len += connlen;
}
}
i=argc;
argv=x->ap;
while(i--) {
if(A_SYMBOL==argv->a_type) {
strncpy(result+len, argv->a_w.w_symbol->s_name, length-len);
len+= strlen(argv->a_w.w_symbol->s_name);
} else {
atom_string(argv, buffer, MAXPDSTRING);
strncpy(result+len, buffer, length-len);
len += strlen(buffer);
}
argv++;
if(i && connector) {
strncpy(result+len, connector, length-len);
len += connlen;
}
}
freebytes(buffer, MAXPDSTRING*sizeof(char));
result[length]=0;
outlet_symbol(x->x_obj.ob_outlet, gensym(result));
freebytes(result, (length+1)*sizeof(char));
}
static void list2symbol_anything(t_list2symbol *x, t_symbol *s, int argc,
t_atom *argv)
{
if(x->ap) {
freebytes(x->ap, x->ac*sizeof(t_atom));
x->ap=0;
}
x->s =s;
x->ac=argc;
if(x->ac) {
x->ap=(t_atom*)getbytes(x->ac*sizeof(t_atom));
}
if(x->ap) {
t_atom*ap=x->ap;
while(argc--) {
*ap++=*argv++;
}
}
list2symbol_bang(x);
}
static void list2symbol_list(t_list2symbol *x, t_symbol *s, int argc,
t_atom *argv)
{
list2symbol_anything(x, 0, argc, argv);
}
static void *list2symbol_new(t_symbol *s, int argc, t_atom *argv)
{
t_list2symbol *x = (t_list2symbol *)pd_new(list2symbol_class);
x->x_outlet=outlet_new(&x->x_obj, 0);
x->x_inlet2=inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("symbol"),
gensym(""));
#if 0
/* old behaviour: the argument list is used as the list-to-be-converted */
x->connector = gensym(" ");
list2symbol_anything(x, 0, argc, argv);
#else
/* new behaviour: set the delimiter with the argument */
list2symbol_connector(x, (argc)?atom_getsymbol(argv):gensym(" "));
#endif
return (x);
}
static void list2symbol_free(t_list2symbol *x)
{
if(x->ap) {
freebytes(x->ap, x->ac*sizeof(t_atom));
x->ap=0;
}
outlet_free(x->x_outlet);
inlet_free(x->x_inlet2);
}
void list2symbol_setup(void)
{
list2symbol_class = class_new(gensym("list2symbol"),
(t_newmethod)list2symbol_new,
(t_method)list2symbol_free, sizeof(t_list2symbol), 0,
A_GIMME, 0);
class_addcreator((t_newmethod)list2symbol_new, gensym("l2s"), A_GIMME, 0);
class_addbang (list2symbol_class, list2symbol_bang);
class_addlist (list2symbol_class, list2symbol_list);
class_addanything(list2symbol_class, list2symbol_anything);
class_addmethod (list2symbol_class, (t_method)list2symbol_connector,
gensym(""), A_SYMBOL, 0);
zexy_register("list2symbol");
}
void l2s_setup(void)
{
list2symbol_setup();
}
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