1 files changed, 88 insertions, 0 deletions
diff --git a/src/listUnfold.c b/src/listUnfold.c
new file mode 100644
index 0000000..579f645
--- /dev/null
+++ b/src/listUnfold.c
@@ -0,0 +1,88 @@
+#include "m_pd.h"
+#define IS_A_SYMBOL(atom,index) ((atom+index)->a_type == A_SYMBOL)
+#define IS_A_FLOAT(atom,index) ((atom+index)->a_type == A_FLOAT)
+
+
+static t_class *listUnfold_class;
+
+typedef struct _listUnfold {
+  t_object  x_obj;
+
+  //t_float start;
+  //t_float step;
+   t_int iterating;
+  t_outlet* outlet1;
+  t_outlet* outlet2;
+} t_listUnfold;
+
+
+void listUnfold_bang(t_listUnfold *x)
+{
+  //x->i_count = x->i_down;
+  x->iterating = 0;
+  
+}
+
+
+void listUnfold_anything(t_listUnfold *x, t_symbol* s, int ac, t_atom* av)
+{
+	int i = 0;
+	int count = 0;
+    x->iterating = 1;
+	 
+	if ( s != &s_list && s != &s_float && s != &s_symbol ) {
+		outlet_float(x->outlet2,0);
+		outlet_symbol(x->outlet1,s);
+		count++;
+	}
+	
+	for ( ; i < ac; i++ ) {
+		if ( !(x->iterating) ) break;
+		outlet_float(x->outlet2,count);
+		count++;
+		if ( IS_A_FLOAT(av,i) ) {
+			outlet_float(x->outlet1,atom_getfloat(av+i));
+		} else {
+			outlet_symbol(x->outlet1,atom_getsymbol(av+i));
+		}
+		
+	}
+	  
+	
+}
+
+
+static void listUnfold_free(t_listUnfold *x)
+{
+		
+    
+}
+
+void *listUnfold_new(t_symbol *s, int argc, t_atom *argv)
+{
+  t_listUnfold *x = (t_listUnfold *)pd_new(listUnfold_class);
+  
+  x->iterating = 0;
+ 
+  
+  //floatinlet_new(&x->x_obj, &x->start);
+  //floatinlet_new(&x->x_obj, &x->step);
+  x->outlet1 = outlet_new(&x->x_obj, &s_list);
+  x->outlet2 = outlet_new(&x->x_obj, &s_float);
+
+
+  return (void *)x;
+}
+
+void listUnfold_setup(void) {
+  listUnfold_class = class_new(gensym("listUnfold"),
+        (t_newmethod)listUnfold_new,
+        (t_method)listUnfold_free, sizeof(t_listUnfold),
+        CLASS_DEFAULT, 
+        A_GIMME, 0);
+
+  class_addbang  (listUnfold_class, listUnfold_bang);
+  class_addanything (listUnfold_class, listUnfold_anything);
+  //class_addlist (listUnfold_class, listUnfold_list);
+  
+}