From e76e2af1752600028f40e26484e427963e3f0570 Mon Sep 17 00:00:00 2001
From: Hans-Christoph Steiner <eighthave@users.sourceforge.net>
Date: Fri, 11 Mar 2011 04:08:45 +0000
Subject: first sketch of a logpost object

svn path=/trunk/externals/log/; revision=15023
---
 logpost.c | 100 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 logpost.c

(limited to 'logpost.c')

diff --git a/logpost.c b/logpost.c
new file mode 100644
index 0000000..e4f31d9
--- /dev/null
+++ b/logpost.c
@@ -0,0 +1,100 @@
+
+#include "m_pd.h"
+#include <string.h>
+
+/* -------------------------- logpost ------------------------------ */
+static t_class *logpost_class;
+
+typedef struct _logpost
+{
+    t_object x_obj;
+    t_float level;
+    t_symbol* tag;
+} t_logpost;
+
+static void logpost_bang(t_logpost *x)
+{
+    logpost(x, (const int)x->level, "%s%sbang", 
+            x->tag->s_name, (*x->tag->s_name ? ": " : ""));
+}
+
+static void logpost_pointer(t_logpost *x, t_gpointer *gp)
+{
+    logpost(x, (const int)x->level, "%s%s(pointer %lx)", 
+            x->tag->s_name, (*x->tag->s_name ? ": " : ""), gp);
+}
+
+static void logpost_float(t_logpost *x, t_float f)
+{
+    logpost(x, (const int)x->level, "%s%s%g",
+            x->tag->s_name, (*x->tag->s_name ? ": " : ""), f);
+}
+
+static void logpost_list(t_logpost *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int i;
+    if (argc && argv->a_type != A_SYMBOL) startpost("%s:", x->tag->s_name);
+    else startpost("%s%s%s", x->tag->s_name,
+        (*x->tag->s_name ? ": " : ""),
+        (argc > 1 ? s_list.s_name : (argc == 1 ? s_symbol.s_name :
+            s_bang.s_name)));
+    postatom(argc, argv);
+    endpost();
+}
+
+static void logpost_anything(t_logpost *x, t_symbol *s, int argc, t_atom *argv)
+{
+    int i;
+    startpost("%s%s%s", x->tag->s_name, (*x->tag->s_name ? ": " : ""),
+        s->s_name);
+    postatom(argc, argv);
+    endpost();
+}
+
+static void *logpost_new(t_symbol *sel, int argc, t_atom *argv)
+{
+    t_logpost *x = (t_logpost *)pd_new(logpost_class);
+
+    if (argc == 0)
+        x->tag = &s_;
+    else if (argc == 1)
+    {
+        t_symbol *s = atom_getsymbolarg(0, argc, argv);
+        if (s != &s_) // we have a symbol
+            x->tag = s;
+        else // we have a float
+        {
+            x->level = atom_getfloatarg(0, argc, argv);
+        }
+    }
+    else
+    {
+        int bufsize;
+        char *buf;
+        t_binbuf *bb = binbuf_new();
+        binbuf_add(bb, argc, argv);
+        binbuf_gettext(bb, &buf, &bufsize);
+        buf = resizebytes(buf, bufsize, bufsize+1);
+        buf[bufsize] = 0;
+        x->tag = gensym(buf);
+        freebytes(buf, bufsize+1);
+        binbuf_free(bb);
+    }
+    floatinlet_new(&x->x_obj, &x->level);
+    return (x);
+}
+
+void logpost_setup(void)
+{
+    logpost_class = class_new(gensym("logpost"),
+                              (t_newmethod)logpost_new,
+                              0,
+                              sizeof(t_logpost),
+                              CLASS_DEFAULT,
+                              A_GIMME, 0);
+    class_addbang(logpost_class, logpost_bang);
+    class_addfloat(logpost_class, logpost_float);
+    class_addpointer(logpost_class, logpost_pointer);
+    class_addlist(logpost_class, logpost_list);
+    class_addanything(logpost_class, logpost_anything);
+}
-- 
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