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/*
* argument.c
*
* Copyright 2009 Thomas O Fredericks <tom@hp>
*
* 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, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
#include "tof.h"
extern int sys_noloadbang;
t_class *argument_class;
typedef struct argument
{
t_object x_ob;
//t_canvas * x_canvas;
t_outlet* x_outlet;
t_atom x_a;
int has_value;
} t_argument;
static void argument_bang(t_argument *x)
{
if (x->has_value) {
if ( IS_A_SYMBOL(&(x->x_a),0) ) {
outlet_symbol(x->x_outlet,atom_getsymbol(&(x->x_a)));
} else {
outlet_float(x->x_outlet,atom_getfloat(&(x->x_a)));
}
}
}
static void argument_loadbang(t_argument *x)
{
if (!sys_noloadbang)
argument_bang(x);
}
static void argument_free(t_argument *x) {
//freebytes(x->x_a, sizeof(t_atom));
}
//static void *argument_new(t_floatarg level)
static void *argument_new(t_symbol *s, int argc, t_atom *argv)
{
t_argument *x = (t_argument *)pd_new(argument_class);
t_canvas *canvas=tof_get_canvas();
x->x_outlet = outlet_new(&x->x_ob, &s_list);
//x->x_a = (t_atom *)getbytes(sizeof(t_atom));
x->has_value = 0;
int i = 0;
// Check argument i and default value
if ( argc >= 1 && IS_A_FLOAT(argv,0) ) {
i = atom_getfloat(argv);
}
// Get the canvas' arguments
int ac;
t_atom *av;
tof_get_canvas_arguments(canvas,&ac, &av);
// Check arguments
if ( i == 0) { //Is the argument index 0?
// Get the dollar zero
SETSYMBOL(&(x->x_a),tof_get_dollar(canvas,gensym("$0")));
x->has_value = 1;
} else {
//if ( ac >= i ) {
if ( argc > 1 ) { //Is there a default argument?
//Are the parent and default arguments the same type?
if ( ac >= i && (av+(i-1))->a_type == (argv+1)->a_type) {
x->x_a = av[i-1]; //Use the parent value
} else {
x->x_a = argv[1]; //Use the default value
}
x->has_value = 1;
} else { //No default argument, so no type check
if ( ac >= i ) { //Are there enough parent arguments?
x->x_a = av[i-1]; //Use the parent value
x->has_value = 1;
}
}
//}
}
return (void *)x;
}
void argument_setup(void)
{
argument_class = class_new(gensym("argument"),
(t_newmethod)argument_new, (t_method)argument_free,
sizeof(t_argument), CLASS_DEFAULT, A_GIMME,0);
class_addbang(argument_class, argument_bang);
class_addmethod(argument_class, (t_method)argument_loadbang, gensym("loadbang"), 0);
}
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