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/******************************************************
*
* zexy - implementation file
*
* copyleft (c) IOhannes m zmölnig
*
* 1999:forum::für::umläute:2004
*
* institute of electronic music and acoustics (iem)
*
******************************************************
*
* license: GNU General Public License v.2
*
******************************************************/
#include "zexy.h"
#include <stdlib.h>
#include <string.h>
/*
* list2symbol: convert a list into a single symbol
*/
/* ------------------------- list2symbol ------------------------------- */
static t_class *list2symbol_class;
typedef struct _list2symbol
{
t_object x_obj;
int ac;
t_atom *ap;
t_symbol *s,*connector;
} 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;
if(x->connector)connector=x->connector->s_name;
if(connector)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--){
char buffer[MAXPDSTRING];
int len=0;
if(A_SYMBOL==argv->a_type){
len=strlen(argv->a_w.w_symbol->s_name);
} else {
atom_string(argv, buffer, MAXPDSTRING);
len=strlen(buffer);
}
length+=len;
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;
strcpy(result+len, buf);
len+=strlen(buf);
if(i && connector){
strcpy(result+len, connector);
len += connlen;
}
}
i=argc;
argv=x->ap;
while(i--){
if(A_SYMBOL==argv->a_type){
strcpy(result+len, argv->a_w.w_symbol->s_name);
len+= strlen(argv->a_w.w_symbol->s_name);
} else {
char buffer[MAXPDSTRING];
atom_string(argv, buffer, MAXPDSTRING);
strcpy(result+len, buffer);
len += strlen(buffer);
}
argv++;
if(i && connector){
strcpy(result+len, connector);
len += connlen;
}
}
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)
{
x->s =s;
x->ac=argc;
x->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);
outlet_new(&x->x_obj, 0);
inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("symbol"), gensym(""));
x->connector = gensym(" ");
list2symbol_anything(x, 0, argc, argv);
return (x);
}
static void list2symbol_free(t_list2symbol *x)
{}
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);
class_sethelpsymbol(list2symbol_class, gensym("zexy/list2symbol"));
zexy_register("list2symbol");
}
void l2s_setup(void)
{
list2symbol_setup();
}
void z_list2symbol_setup(void)
{
list2symbol_setup();
}
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