From ed61f361c0cc828bbde6d3f736af380621a2c134 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?IOhannes=20m=20zm=C3=B6lnig?=
 <zmoelnig@users.sourceforge.net>
Date: Thu, 26 Jan 2006 12:16:47 +0000
Subject: accept lists AND symbols on both inlets strip the trailing space when
 converting lists to text

svn path=/trunk/externals/zexy/; revision=4496
---
 src/strcmp.c | 106 +++++++++++++++++++++++++++++++++++++++++++++++++----------
 1 file changed, 88 insertions(+), 18 deletions(-)

(limited to 'src')

diff --git a/src/strcmp.c b/src/strcmp.c
index 4bfeb8b..a97f467 100644
--- a/src/strcmp.c
+++ b/src/strcmp.c
@@ -27,57 +27,114 @@
 /* compare 2 lists ( == for lists) */
 
 static t_class *strcmp_class;
+static t_class *strcmp_proxy_class;
+
 
 typedef struct _strcmp
 {
   t_object x_obj;
+  struct _strcmp_proxy  *x_proxy;
 
   t_binbuf *bbuf1, *bbuf2;
+  char *str1, *str2;
+  int n1, n2;
 } t_strcmp;
 
+typedef struct _strcmp_proxy
+{
+  t_pd  p_pd;
+  t_strcmp    *p_master;
+  t_inlet *p_in;
+} t_strcmp_proxy;
+
 static void strcmp_bang(t_strcmp *x)
 {
-  char *str1=0, *str2=0;
-  int n1=0, n2=0;
   int result = 0;
 
-  binbuf_gettext(x->bbuf1, &str1, &n1);
-  binbuf_gettext(x->bbuf2, &str2, &n2);
-
-  result = strcmp(str1, str2);
-
-  freebytes(str1, n1);
-  freebytes(str2, n2);
+  if(x->str1){
+    if(x->str2)
+      result = strcmp(x->str1, x->str2);
+    else
+      result = *x->str1;
+  } else {
+    if(x->str2)
+      result = -*x->str2;
+    else
+      result = 0;
+  }
 
   outlet_float(x->x_obj.ob_outlet, result);
 }
 
-static void strcmp_secondlist(t_strcmp *x, t_symbol *s, int argc, t_atom *argv)
+static void list2binbuf(t_binbuf**bbuf, int *n, char**str, int argc, t_atom*argv)
 {
-  binbuf_clear(x->bbuf2);
-  binbuf_add(x->bbuf2, argc, argv);
+  int i=0;
+  char*s=0;
+  if(*str&&*n)freebytes(str, *n);
+
+  binbuf_clear(*bbuf);
+  binbuf_add(*bbuf, argc, argv);
+
+  binbuf_gettext(*bbuf, str, n);
+
+  i=*n;
+  s=*str;
+
+  if(' '==s[i])s[i]=0;
 }
 
 static void strcmp_list(t_strcmp *x, t_symbol *s, int argc, t_atom *argv)
 {
-  binbuf_clear(x->bbuf1);
-  binbuf_add(x->bbuf1, argc, argv);
-  
+  list2binbuf(&x->bbuf1, &x->n1, &x->str1, argc, argv);
   strcmp_bang(x);
 }
+static void strcmp_symbol(t_strcmp *x, t_symbol *s)
+{
+  if(x->str1&&x->n1)freebytes(x->str1, x->n1);
+  x->n1=0;
+  x->str1=s->s_name;
+  strcmp_bang(x);
+}
+
+static void strcmp_secondlist(t_strcmp *x, t_symbol *s, int argc, t_atom *argv)
+{
+  list2binbuf(&x->bbuf2, &x->n2, &x->str2, argc, argv);
+}
+static void strcmp_secondsymbol(t_strcmp *x, t_symbol *s)
+{
+  if(x->str2&&x->n2)freebytes(x->str2, x->n2);
+  x->n2=0;
+  x->str2=s->s_name;
+}
+
+static void strcmp_proxy_list(t_strcmp_proxy *y, t_symbol *s, int argc, t_atom *argv)
+{
+  strcmp_secondlist(y->p_master, s, argc, argv);
+}
+static void strcmp_proxy_symbol(t_strcmp_proxy *y, t_symbol *s)
+{
+  if(s)strcmp_secondsymbol(y->p_master, s);
+}
 
 static void *strcmp_new(t_symbol *s, int argc, t_atom *argv)
 {
   t_strcmp *x = (t_strcmp *)pd_new(strcmp_class);
 
+  x->x_proxy=(t_strcmp_proxy*)pd_new(strcmp_proxy_class);
+  x->x_proxy->p_master = x;
+  x->x_proxy->p_in = inlet_new ((t_object*)x, (t_pd*)x->x_proxy, 0,0);
+
   outlet_new(&x->x_obj, 0);
-  inlet_new(&x->x_obj, &x->x_obj.ob_pd, gensym("list"), gensym("lst2"));
 
   x->bbuf1 = binbuf_new();
   x->bbuf2 = binbuf_new();
 
+  x->str1=0;
+  x->str2=0;
+  x->n1=0;
+  x->n2=0;
 
-  strcmp_secondlist(x, gensym("list"), argc, argv);
+  if(argc)strcmp_secondlist(x, gensym("list"), argc, argv);
 
   return (x);
 }
@@ -86,6 +143,13 @@ static void strcmp_free(t_strcmp *x)
 {
   binbuf_free(x->bbuf1);
   binbuf_free(x->bbuf2);
+
+  if(x->str1&&x->n1)freebytes(x->str1, x->n1);
+  if(x->str2&&x->n2)freebytes(x->str2, x->n2);
+
+  inlet_free(x->x_proxy->p_in);
+  x->x_proxy->p_master=0;
+  pd_free(&x->x_proxy->p_pd);
 }
 
 
@@ -95,8 +159,14 @@ void strcmp_setup(void)
 			 (t_method)strcmp_free, sizeof(t_strcmp), 0, A_GIMME, 0);
 
   class_addbang    (strcmp_class, strcmp_bang);
+  class_addsymbol  (strcmp_class, strcmp_symbol);
   class_addlist    (strcmp_class, strcmp_list);
-  class_addmethod  (strcmp_class, (t_method)strcmp_secondlist, gensym("lst2"), A_GIMME, 0);
+
+  strcmp_proxy_class = class_new(gensym("strcmp proxy"), 0, 0,
+                                 sizeof(t_strcmp_proxy),
+                                 CLASS_PD | CLASS_NOINLET, 0);
+  class_addsymbol(strcmp_proxy_class, strcmp_proxy_symbol);
+  class_addlist(strcmp_proxy_class, strcmp_proxy_list);
 
   class_sethelpsymbol(strcmp_class, gensym("zexy/strcmp"));
   zexy_register("strcmp");
-- 
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