1 files changed, 112 insertions, 0 deletions
diff --git a/cyclone/hammer/iter.c b/cyclone/hammer/iter.c
new file mode 100644
index 0000000..0aa5ef8
--- /dev/null
+++ b/cyclone/hammer/iter.c
@@ -0,0 +1,112 @@
+/* Copyright (c) 2002-2003 krzYszcz and others.
+ * For information on usage and redistribution, and for a DISCLAIMER OF ALL
+ * WARRANTIES, see the file, "LICENSE.txt," in this distribution.  */
+
+/* This is a modified version of Joseph A. Sarlo's code.
+   The most important changes are listed in "pd-lib-notes.txt" file.  */
+
+/* LATER compare with iter.c from max sdk */
+/* LATER clean up buffer handling */
+
+#include <string.h>
+#include "m_pd.h"
+#include "common/grow.h"
+
+#define ITER_INISIZE  8  /* LATER rethink */
+
+typedef struct _iter
+{
+    t_object   x_ob;
+    int        x_size;    /* as allocated */
+    int        x_natoms;  /* as used */
+    t_symbol  *x_selector;
+    t_atom    *x_message;
+    t_atom     x_messini[ITER_INISIZE];
+} t_iter;
+
+static t_class *iter_class;
+
+/* CHECKED: both floats and symbols */
+static void iter_dobang(t_iter *x, t_symbol *s, int ac, t_atom *av)
+{
+    if (s && s != &s_)
+	outlet_symbol(((t_object *)x)->ob_outlet, s);
+    while (ac--)
+    {
+	if (av->a_type == A_FLOAT)
+	    outlet_float(((t_object *)x)->ob_outlet, av->a_w.w_float);
+	else if (av->a_type == A_SYMBOL)
+	    outlet_symbol(((t_object *)x)->ob_outlet, av->a_w.w_symbol);
+	av++;
+    }
+}
+
+static void iter_bang(t_iter *x)
+{
+    iter_dobang(x, x->x_selector, x->x_natoms, x->x_message);
+}
+
+static void iter_float(t_iter *x, t_float f)
+{
+    outlet_float(((t_object *)x)->ob_outlet, f);
+    x->x_selector = 0;
+    x->x_natoms = 1;
+    SETFLOAT(x->x_message, f);
+}
+
+/* CHECKME */
+static void iter_symbol(t_iter *x, t_symbol *s)
+{
+    outlet_symbol(((t_object *)x)->ob_outlet, s);
+    x->x_selector = 0;
+    x->x_natoms = 1;
+    SETSYMBOL(x->x_message, s);
+}
+
+/* LATER gpointer */
+
+static void iter_anything(t_iter *x, t_symbol *s, int ac, t_atom *av)
+{
+    iter_dobang(x, s, ac, av);
+    x->x_selector = s;
+    if (ac > x->x_size)
+	x->x_message = grow_nodata(&ac, &x->x_size, x->x_message,
+				   ITER_INISIZE, x->x_messini,
+				   sizeof(*x->x_message));
+    x->x_natoms = ac;
+    memcpy(x->x_message, av, ac * sizeof(*x->x_message));
+}
+
+static void iter_list(t_iter *x, t_symbol *s, int ac, t_atom *av)
+{
+    iter_anything(x, 0, ac, av);
+}
+
+static void iter_free(t_iter *x)
+{
+    if (x->x_message != x->x_messini)
+	freebytes(x->x_message, x->x_natoms * sizeof(*x->x_message));
+}
+
+static void *iter_new(void)
+{
+    t_iter *x = (t_iter *)pd_new(iter_class);
+    x->x_size = ITER_INISIZE;
+    x->x_natoms = 0;
+    x->x_message = x->x_messini;
+    outlet_new((t_object *)x, &s_anything);
+    return (x);
+}
+
+void iter_setup(void)
+{
+    iter_class = class_new(gensym("iter"),
+			   (t_newmethod)iter_new,
+			   (t_method)iter_free,
+			   sizeof(t_iter), 0, 0);
+    class_addbang(iter_class, iter_bang);
+    class_addfloat(iter_class, iter_float);
+    class_addsymbol(iter_class, iter_symbol);
+    class_addlist(iter_class, iter_list);
+    class_addanything(iter_class, iter_anything);
+}