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path: root/src/iemlib2/iem_receive_kernel.c
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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 - 2003 */

#ifdef NT
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif

#include "m_pd.h"
#include "g_canvas.h"
#include "iemlib.h"
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <math.h>

EXTERN void canvas_getargs(int *argcp, t_atom **argvp);

/* ------------------------ iem_receive_kernel ---------------------------- */

static t_class *iem_receive_kernel_class;

typedef struct _iem_receive_kernel
{
	t_object	x_obj;
	t_symbol	*x_sym;
} t_iem_receive_kernel;

void iem_receive_kernel_copy_at(t_atom *src, t_atom *dst, int n)
{
	while(n--)
		*dst++ = *src++;
}

static void iem_receive_kernel_set_name(t_iem_receive_kernel *x, t_symbol *s, int argc, t_atom *argv)
{
	if((argc > 0)&&((IS_A_SYMBOL(argv,0))||(IS_A_FLOAT(argv,0))))
	{
		if(x->x_sym)
			pd_unbind(&x->x_obj.ob_pd, x->x_sym);
		if(IS_A_SYMBOL(argv,0))
			x->x_sym = atom_getsymbol(argv);
		else if(IS_A_FLOAT(argv,0))
		{
			char str[100];

			sprintf(str, "%g", atom_getfloat(argv));
			x->x_sym = gensym(str);
		}
		pd_bind(&x->x_obj.ob_pd, x->x_sym);
	}
}

static void iem_receive_kernel_clear(t_iem_receive_kernel *x)
{
	if(x->x_sym)
		pd_unbind(&x->x_obj.ob_pd, x->x_sym);
	x->x_sym = 0;
}

static void iem_receive_kernel_bang(t_iem_receive_kernel *x)
{
	outlet_bang(x->x_obj.ob_outlet);
}

static void iem_receive_kernel_float(t_iem_receive_kernel *x, t_float f)
{
	outlet_float(x->x_obj.ob_outlet, f);
}

static void iem_receive_kernel_symbol(t_iem_receive_kernel *x, t_symbol *s)
{
	outlet_symbol(x->x_obj.ob_outlet, s);
}

static void iem_receive_kernel_pointer(t_iem_receive_kernel *x, t_gpointer *gp)
{
	outlet_pointer(x->x_obj.ob_outlet, gp);
}

static void iem_receive_kernel_list(t_iem_receive_kernel *x, t_symbol *s, int argc, t_atom *argv)
{
	outlet_list(x->x_obj.ob_outlet, &s_list, argc, argv);
}

static void iem_receive_kernel_anything(t_iem_receive_kernel *x, t_symbol *s, int argc, t_atom *argv)
{
	outlet_anything(x->x_obj.ob_outlet, s, argc, argv);
}

static void iem_receive_kernel_free(t_iem_receive_kernel *x)
{
	if(x->x_sym)
		pd_unbind(&x->x_obj.ob_pd, x->x_sym);
}

static void *iem_receive_kernel_new(void)
{
	t_iem_receive_kernel *x = (t_iem_receive_kernel *)pd_new(iem_receive_kernel_class);
	t_glist *glist = (t_glist *)canvas_getcurrent();
	t_canvas *canvas=glist_getcanvas(glist);
	int ac=0;
	t_atom *av;

	canvas_setcurrent(canvas);
	canvas_getargs(&ac, &av);
	canvas_unsetcurrent(canvas);

	if(ac > 0)
	{
		if(IS_A_SYMBOL(av,0))
		{
			x->x_sym = atom_getsymbol(av);
			pd_bind(&x->x_obj.ob_pd, x->x_sym);
		}
		else if(IS_A_FLOAT(av,0))
		{
			char str[100];

			sprintf(str, "%g", atom_getfloat(av));
			x->x_sym = gensym(str);
			pd_bind(&x->x_obj.ob_pd, x->x_sym);
		}
		else
			x->x_sym = 0;
	}
	else
		x->x_sym = 0;

	outlet_new(&x->x_obj, &s_list);
	return (x);
}

void iem_receive_kernel_setup(void)
{
	char str[2];

	str[1] = 0;
	iem_receive_kernel_class = class_new(gensym("iem_receive_kernel"), (t_newmethod)iem_receive_kernel_new, 
		(t_method)iem_receive_kernel_free, sizeof(t_iem_receive_kernel), 0, 0);
	class_addbang(iem_receive_kernel_class, iem_receive_kernel_bang);
	class_addfloat(iem_receive_kernel_class, iem_receive_kernel_float);
	class_addsymbol(iem_receive_kernel_class, iem_receive_kernel_symbol);
	class_addpointer(iem_receive_kernel_class, iem_receive_kernel_pointer);
	class_addlist(iem_receive_kernel_class, iem_receive_kernel_list);
	class_addanything(iem_receive_kernel_class, iem_receive_kernel_anything);
//	class_addmethod(iem_receive_kernel_class, (t_method)iem_receive_kernel_set, gensym("set"), A_GIMME, 0);
	str[0] = 1;/*inlet-sym = "\0x01"*/
	class_addmethod(iem_receive_kernel_class, (t_method)iem_receive_kernel_set_name, gensym(str), A_GIMME, 0);
	str[0] = 2;/*inlet-sym = "\0x02"*/
	class_addmethod(iem_receive_kernel_class, (t_method)iem_receive_kernel_clear, gensym(str), 0);
	class_sethelpsymbol(iem_receive_kernel_class, gensym("iemhelp/help-iem_receive"));
}