From f6833c650cd755a7c9a142bf667baff8add0ea31 Mon Sep 17 00:00:00 2001
From: "N.N." <david_merrill@users.sourceforge.net>
Date: Wed, 9 Aug 2006 01:14:06 +0000
Subject: added help file that shows how to use with [hid] (almost complete),
 and parseeventnodenum.c

svn path=/trunk/externals/input_noticer/; revision=5527
---
 parseeventnodenum.c | 65 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 65 insertions(+)
 create mode 100644 parseeventnodenum.c

(limited to 'parseeventnodenum.c')

diff --git a/parseeventnodenum.c b/parseeventnodenum.c
new file mode 100644
index 0000000..e8ddae1
--- /dev/null
+++ b/parseeventnodenum.c
@@ -0,0 +1,65 @@
+/* 
+ * author: David Merrill <dmerrill@media.mit.edu>
+ * based on code from Tom Schouten, found online at:
+ * http://lists.puredata.info/pipermail/pd-list/2002-02/004871.html
+ */
+
+#include "m_pd.h"
+#include <stdio.h>
+
+#define MAXHEAD 1024
+
+typedef struct{
+    char buffer[MAXHEAD];
+} t_parseeventnodenum_data;
+ 
+typedef struct parseeventnodenum
+{
+  t_object t_ob;
+  t_outlet *x_out;  
+  t_outlet *x_out_error;
+} t_parseeventnodenum;
+
+void penn_any_method(t_parseeventnodenum *x, t_symbol *s, int argc, t_atom *argv)
+{
+    char* p = s->s_name;
+    int eventnodenum = -1, rv = 0;
+
+    if (sscanf(p,"/dev/input/event%i",&eventnodenum)) {
+
+	// success, send the float to the left outlet
+	outlet_float(x->x_out, eventnodenum);
+    } else {
+
+	// failure, send the input symbol to the right outlet
+	outlet_symbol(x->x_out_error, gensym(p));
+    }
+}
+
+void parseeventnodenum_free(void)
+{
+}
+
+t_class *parseeventnodenum_class;
+
+void *parseeventnodenum_new(void)
+{
+    t_parseeventnodenum *x = (t_parseeventnodenum *)pd_new(parseeventnodenum_class);
+
+    // left outlet is where the parsed number will come out
+    x->x_out = outlet_new(&x->t_ob, gensym("float"));
+
+    // right outlet is where the original string will come out if an error occured
+    x->x_out_error = outlet_new(&x->t_ob, gensym("symbol"));
+
+
+    return (void *)x;
+}
+
+void parseeventnodenum_setup(void)
+{
+    parseeventnodenum_class = class_new(gensym("parseeventnodenum"), (t_newmethod)parseeventnodenum_new,
+    	(t_method)parseeventnodenum_free, sizeof(t_parseeventnodenum), 0, 0);
+    class_addanything(parseeventnodenum_class, penn_any_method);
+}
+
-- 
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