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-rw-r--r--iemlib2/src/iem_prepend.c246
1 files changed, 246 insertions, 0 deletions
diff --git a/iemlib2/src/iem_prepend.c b/iemlib2/src/iem_prepend.c
new file mode 100644
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+++ b/iemlib2/src/iem_prepend.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 - 2006 */
+
+
+#include "m_pd.h"
+#include "iemlib.h"
+
+
+/* ----------------------- iem_prepend --------------------------- */
+/* -- concatenates message from cold (right) inlet with message -- */
+/* ------- from hot (left) inlet and outputs it; initial ------- */
+/* --- arguments (prependix) are eqal to message of cold inlet --- */
+
+struct _iem_prepend_proxy;
+
+static t_class *iem_prepend_class;
+static t_class *iem_prepend_proxy_class;
+
+typedef struct _iem_prepend
+{
+ t_object x_obj;
+ struct _iem_prepend_proxy *x_proxy_inlet;
+ int x_size;
+ int x_ac;
+ t_atom *x_at;
+ t_symbol *x_selector_sym;
+} t_iem_prepend;
+
+typedef struct _iem_prepend_proxy
+{
+ t_object p_obj;
+ t_iem_prepend *p_owner;
+} t_iem_prepend_proxy;
+
+static void iem_prepend_atcopy(t_atom *src, t_atom *dst, int n)
+{
+ while(n--)
+ *dst++ = *src++;
+}
+
+static void iem_prepend_bang(t_iem_prepend *x)
+{
+ outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac, x->x_at);
+}
+
+static void iem_prepend_float(t_iem_prepend *x, t_floatarg f)
+{
+ if(x->x_selector_sym == &s_bang)
+ outlet_float(x->x_obj.ob_outlet, f);
+ else
+ {
+ SETFLOAT(x->x_at+x->x_ac, f);
+ outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+1, x->x_at);
+ }
+}
+
+static void iem_prepend_symbol(t_iem_prepend *x, t_symbol *s)
+{
+ if(x->x_selector_sym == &s_bang)
+ outlet_symbol(x->x_obj.ob_outlet, s);
+ else
+ {
+ SETSYMBOL(x->x_at+x->x_ac, s);
+ outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+1, x->x_at);
+ }
+}
+
+static void iem_prepend_pointer(t_iem_prepend *x, t_gpointer *gp)
+{
+ if(x->x_selector_sym == &s_bang)
+ outlet_pointer(x->x_obj.ob_outlet, gp);
+ else
+ {
+ SETPOINTER(x->x_at+x->x_ac, gp);
+ outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+1, x->x_at);
+ }
+}
+
+static void iem_prepend_list(t_iem_prepend *x, t_symbol *s, int ac, t_atom *av)
+{
+ if((ac+x->x_ac+1) >= x->x_size)
+ {
+ x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (ac+x->x_ac+11)*sizeof(t_atom));
+ x->x_size = ac + x->x_ac + 11;
+ }
+ if(x->x_selector_sym == &s_bang)
+ outlet_anything(x->x_obj.ob_outlet, &s_list, ac, av);
+ else
+ {
+ iem_prepend_atcopy(av, x->x_at + x->x_ac, ac);
+ outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+ac, x->x_at);
+ }
+}
+
+static void iem_prepend_anything(t_iem_prepend *x, t_symbol *s, int ac, t_atom *av)
+{
+ if((ac+x->x_ac+2) >= x->x_size)
+ {
+ x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (ac+x->x_ac+12)*sizeof(t_atom));
+ x->x_size = ac + x->x_ac + 12;
+ }
+ if(x->x_selector_sym == &s_bang)
+ outlet_anything(x->x_obj.ob_outlet, s, ac, av);
+ else
+ {
+ SETSYMBOL(x->x_at + x->x_ac, s);
+ iem_prepend_atcopy(av, x->x_at+x->x_ac+1, ac);
+ outlet_anything(x->x_obj.ob_outlet, x->x_selector_sym, x->x_ac+ac+1, x->x_at);
+ }
+}
+
+/* begin of proxy methods (anything inlets) */
+
+static void iem_prepend_proxy_bang(t_iem_prepend_proxy *p)
+{
+ t_iem_prepend *x = p->p_owner;
+
+ x->x_ac = 0;
+ x->x_selector_sym = &s_bang;
+}
+
+static void iem_prepend_proxy_float(t_iem_prepend_proxy *p, t_floatarg f)
+{
+ t_iem_prepend *x = p->p_owner;
+
+ x->x_ac = 1;
+ SETFLOAT(x->x_at, f);
+ x->x_selector_sym = &s_list;
+}
+
+static void iem_prepend_proxy_symbol(t_iem_prepend_proxy *p, t_symbol *s)
+{
+ t_iem_prepend *x = p->p_owner;
+
+ x->x_ac = 1;
+ SETSYMBOL(x->x_at, s);
+ x->x_selector_sym = &s_list;
+}
+
+static void iem_prepend_proxy_pointer(t_iem_prepend_proxy *p, t_gpointer *gp)
+{
+ t_iem_prepend *x = p->p_owner;
+
+ x->x_ac = 1;
+ SETPOINTER(x->x_at, gp);
+ x->x_selector_sym = &s_list;
+}
+
+static void iem_prepend_proxy_list(t_iem_prepend_proxy *p, t_symbol *s, int ac, t_atom *av)
+{
+ t_iem_prepend *x = p->p_owner;
+
+ if((2*ac+10) > x->x_size)
+ {
+ x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (2*ac+10)*sizeof(t_atom));
+ x->x_size = 2*ac+10;
+ }
+ x->x_ac = ac;
+ x->x_selector_sym = &s_list;
+ iem_prepend_atcopy(av, x->x_at, ac);
+}
+
+static void iem_prepend_proxy_anything(t_iem_prepend_proxy *p, t_symbol *s, int ac, t_atom *av)
+{
+ t_iem_prepend *x = p->p_owner;
+
+ if((2*ac+11) > x->x_size)
+ {
+ x->x_at = (t_atom *)resizebytes(x->x_at, x->x_size*sizeof(t_atom), (2*ac+11)*sizeof(t_atom));
+ x->x_size = 2*ac + 11;
+ }
+ x->x_ac = ac;
+ x->x_selector_sym = s;
+ iem_prepend_atcopy(av, x->x_at, ac);
+}
+
+/* end of proxy methods (anything inlets) */
+
+static void iem_prepend_free(t_iem_prepend *x)
+{
+ if(x->x_at)
+ freebytes(x->x_at, x->x_size * sizeof(t_atom));
+ if(x->x_proxy_inlet)
+ pd_free((t_pd *)x->x_proxy_inlet);
+}
+
+static void *iem_prepend_new(t_symbol *s, int ac, t_atom *av)
+{
+ t_iem_prepend *x = (t_iem_prepend *)pd_new(iem_prepend_class);
+ t_iem_prepend_proxy *p = (t_iem_prepend_proxy *)pd_new(iem_prepend_proxy_class);
+
+ x->x_proxy_inlet = p;
+ p->p_owner = x;
+
+ x->x_size = 30;
+ if(ac > 10)
+ x->x_size = 2*ac + 10;
+ x->x_at = (t_atom *)getbytes(x->x_size * sizeof(t_atom));
+ if(!ac)
+ {
+ x->x_ac = 0;
+ x->x_selector_sym = &s_bang;
+ }
+ else
+ {
+ if(IS_A_FLOAT(av, 0))
+ {
+ iem_prepend_proxy_list(p, &s_list, ac, av);
+ }
+ else if(IS_A_SYMBOL(av, 0))
+ {
+ iem_prepend_proxy_anything(p, atom_getsymbol(av), ac-1, av+1);
+ }
+ }
+ inlet_new((t_object *)x, (t_pd *)p, 0, 0);
+ outlet_new(&x->x_obj, &s_list);
+ return (x);
+}
+
+void iem_prepend_setup(void)
+{
+ iem_prepend_class = class_new(gensym("iem_prepend"),
+ (t_newmethod)iem_prepend_new, (t_method)iem_prepend_free,
+ sizeof(t_iem_prepend), 0, A_GIMME, 0);
+ class_addcreator((t_newmethod)iem_prepend_new, gensym("pp"), A_GIMME, 0);
+ class_addcreator((t_newmethod)iem_prepend_new, gensym("prepend"), A_GIMME, 0);
+
+ class_addbang(iem_prepend_class, (t_method)iem_prepend_bang);
+ class_addpointer(iem_prepend_class, iem_prepend_pointer);
+ class_addfloat(iem_prepend_class, (t_method)iem_prepend_float);
+ class_addsymbol(iem_prepend_class, iem_prepend_symbol);
+ class_addlist(iem_prepend_class, iem_prepend_list);
+ class_addanything(iem_prepend_class, iem_prepend_anything);
+// class_sethelpsymbol(iem_prepend_class, gensym("iemhelp/help-iem_prepend"));
+
+ iem_prepend_proxy_class = class_new(gensym("_iem_prepend_proxy"),
+ 0, 0, sizeof(t_iem_prepend_proxy), CLASS_PD | CLASS_NOINLET, 0);
+ class_addbang(iem_prepend_proxy_class, (t_method)iem_prepend_proxy_bang);
+ class_addpointer(iem_prepend_proxy_class, iem_prepend_proxy_pointer);
+ class_addfloat(iem_prepend_proxy_class, (t_method)iem_prepend_proxy_float);
+ class_addsymbol(iem_prepend_proxy_class, iem_prepend_proxy_symbol);
+ class_addlist(iem_prepend_proxy_class, iem_prepend_proxy_list);
+ class_addanything(iem_prepend_proxy_class, iem_prepend_proxy_anything);
+}