From 2b60d55c919e7588f5aff15936e83c300b3660bb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Tue, 22 Mar 2005 20:58:25 +0000
Subject: zexy-2.0: - use of abstractions for objects that allow it - some
 objects are build both as externals and abstractions (as slower fallbacks) -
 code-layout is now 1:1 c-file<->object (this should allow for building of
 zexy as  a collection of externals instead as a big library) - matrix-objects
 have moved to iemmatrix !!

svn path=/trunk/externals/zexy/; revision=2641
---
 src/list2symbol.c | 141 ++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 141 insertions(+)
 create mode 100644 src/list2symbol.c

(limited to 'src/list2symbol.c')

diff --git a/src/list2symbol.c b/src/list2symbol.c
new file mode 100644
index 0000000..cc40aa7
--- /dev/null
+++ b/src/list2symbol.c
@@ -0,0 +1,141 @@
+/******************************************************
+ *
+ * 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
+ *
+ ******************************************************/
+
+#include "zexy.h"
+#include <stdlib.h>
+#include <string.h>
+
+/*
+ * list2symbol: convert a list into a single symbol
+*/
+
+/* ------------------------- list2symbol ------------------------------- */
+
+static t_class *list2symbol_class;
+
+typedef struct _list2symbol
+{
+  t_object x_obj;
+  int       ac;
+  t_atom   *ap;
+  t_symbol *s,*connector;
+} t_list2symbol;
+
+static void list2symbol_connector(t_list2symbol *x, t_symbol *s){
+  x->connector = s;
+}
+
+static void list2symbol_bang(t_list2symbol *x)
+{
+  t_atom *argv=x->ap;
+  int     argc=x->ac;
+  char *result = 0;
+  int length = 0, len=0;
+  int i= argc;
+  char *connector=0;
+  char connlen=0;
+  if(x->connector)connector=x->connector->s_name;
+  if(connector)connlen=strlen(connector);
+
+  /* 1st get the length of the symbol */
+  if(x->s)length+=strlen(x->s->s_name);
+  else length-=connlen;
+
+  length+=i*connlen;
+
+  while(i--){
+    char buffer[MAXPDSTRING];
+    atom_string(argv++, buffer, MAXPDSTRING);
+    length+=strlen(buffer);
+  }
+
+  if (length<0){
+    outlet_symbol(x->x_obj.ob_outlet, gensym(""));
+    return;
+  }
+
+  result = (char*)getbytes((length+1)*sizeof(char));
+
+  /* 2nd create the symbol */
+  if (x->s){
+    char *buf = x->s->s_name;
+    strcpy(result+len, buf);
+    len+=strlen(buf);
+    if(i && connector){
+      strcpy(result+len, connector);
+      len += connlen;
+    }
+  }
+  i=argc;
+  argv=x->ap;
+  while(i--){
+    char buffer[MAXPDSTRING];
+    atom_string(argv++, buffer, MAXPDSTRING);
+    strcpy(result+len, buffer);
+    len += strlen(buffer);
+    if(i && connector){
+      strcpy(result+len, connector);
+      len += connlen;
+    }
+  }
+  result[length]=0;
+  outlet_symbol(x->x_obj.ob_outlet, gensym(result));
+  freebytes(result, (length+1)*sizeof(char));
+}
+
+static void list2symbol_anything(t_list2symbol *x, t_symbol *s, int argc, t_atom *argv)
+{
+  x->s =s;
+  x->ac=argc;
+  x->ap=argv;
+  
+  list2symbol_bang(x);
+}
+
+static void list2symbol_list(t_list2symbol *x, t_symbol *s, int argc, t_atom *argv)
+{
+  list2symbol_anything(x, 0, argc, argv);
+}
+static void *list2symbol_new(t_symbol *s, int argc, t_atom *argv)
+{
+  t_list2symbol *x = (t_list2symbol *)pd_new(list2symbol_class);
+
+  outlet_new(&x->x_obj, 0);
+  inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("symbol"), gensym(""));
+  x->connector = gensym(" ");
+  list2symbol_anything(x, 0, argc, argv);
+
+  return (x);
+}
+
+static void list2symbol_free(t_list2symbol *x)
+{}
+
+
+void list2symbol_setup(void)
+{
+  list2symbol_class = class_new(gensym("list2symbol"), (t_newmethod)list2symbol_new, 
+			 (t_method)list2symbol_free, sizeof(t_list2symbol), 0, A_GIMME, 0);
+
+  class_addcreator((t_newmethod)list2symbol_new, gensym("l2s"), A_GIMME, 0);
+  class_addbang    (list2symbol_class, list2symbol_bang);
+  class_addlist    (list2symbol_class, list2symbol_list);
+  class_addanything(list2symbol_class, list2symbol_anything);
+  class_addmethod  (list2symbol_class, (t_method)list2symbol_connector, gensym(""), A_SYMBOL, 0);
+
+  class_sethelpsymbol(list2symbol_class, gensym("zexy/list2symbol"));
+  zexy_register("list2symbol");
+}
-- 
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