From e62d711e091ebce0fca62b5ab48e4d97a6dbce10 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Thu, 10 May 2007 13:21:21 +0000
Subject: added my own version of [pack] and [unpack] which do not have
 type-tagging

svn path=/trunk/externals/zexy/; revision=7648
---
 src/unpack.c | 104 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 104 insertions(+)
 create mode 100644 src/unpack.c

(limited to 'src/unpack.c')

diff --git a/src/unpack.c b/src/unpack.c
new file mode 100644
index 0000000..5c1f7b1
--- /dev/null
+++ b/src/unpack.c
@@ -0,0 +1,104 @@
+/******************************************************
+ *
+ * zexy - implementation file
+ *
+ * copyleft (c) IOhannes m zmölnig
+ *
+ *   1999:forum::für::umläute:2004
+ *
+ *   institute of electronic music and acoustics (iem)
+ *
+ ******************************************************
+ *
+ * license: GNU General Public License v.2
+ *
+ ******************************************************/
+
+
+/* 2305:forum::für::umläute:2001 */
+
+#include "zexy.h"
+#include <string.h>
+
+/* ------------------------- zunpack ------------------------------- */
+
+/* convert anythings to lists, pass through the rest */
+
+static t_class *zunpack_class;
+
+typedef struct _zunpack
+{
+  t_object x_obj;
+  t_outlet**x_out;
+  t_int*x_index;
+  t_int x_numouts;
+} t_zunpack;
+
+static void zunpack_list(t_zunpack *x, t_symbol *s, int argc, t_atom *argv)
+{
+  int count=(argc<(x->x_numouts))?argc:x->x_numouts;
+
+  while(count--) {
+    outlet_list(x->x_out[count], gensym("list"), 1, argv+count);
+  }
+
+}
+
+static void zunpack_bang(t_zunpack *x)
+{
+  outlet_bang(x->x_out[0]);
+}
+
+static void zunpack_free(t_zunpack *x)
+{
+  int i=0;
+  for(i=0; i<x->x_numouts; i++) {
+    outlet_free(x->x_out[i]);
+  }
+  freebytes(x->x_index, x->x_numouts*sizeof(t_int));
+  freebytes(x->x_out, x->x_numouts*sizeof(t_outlet*));
+
+  x->x_numouts=0;
+  x->x_index=0;
+  x->x_out=0;  
+}
+
+static void *zunpack_new(t_symbol*s, int argc, t_atom*argv)
+{
+  t_zunpack *x = (t_zunpack *)pd_new(zunpack_class);
+  int count=(argc>0)?argc:2;
+  int i=0;
+  
+  x->x_numouts=count;
+  x->x_index=(t_int*)  getbytes(count*sizeof(t_int));
+  x->x_out=(t_outlet**)getbytes(count*sizeof(t_outlet*));
+
+  for(i=0; i<count; i++) {
+    x->x_out[i]  =outlet_new(&x->x_obj, 0);
+    x->x_index[i]=count;
+    if(i<argc && argv[i].a_type == A_FLOAT) {
+      x->x_index[i]=atom_getint(argv+i);
+    }
+  } 
+
+  return (x);
+}
+
+void zunpack_setup(void)
+{
+  
+  zunpack_class = class_new(gensym("unpack"), 
+                            (t_newmethod)zunpack_new, (t_method)zunpack_free, sizeof(t_zunpack), 
+                            0,  A_GIMME, 0);
+  class_addcreator((t_newmethod)zunpack_new, gensym("zexy/unpack"), A_GIMME, 0);
+
+  class_addbang(zunpack_class, zunpack_bang);
+  class_addlist(zunpack_class, zunpack_list);
+
+  zexy_register("unpack");
+}
+
+void unpack_setup(void)
+{
+  zunpack_setup();
+}
-- 
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