From e6c49319e1b84287f8fa07559b820cdf4cb5bc7b Mon Sep 17 00:00:00 2001
From: Tim Blechmann <timblech@users.sourceforge.net>
Date: Fri, 9 Dec 2005 12:50:06 +0000
Subject: improved find_hid searching capabilities

svn path=/trunk/abstractions/tb/; revision=4179
---
 find_hid-help.pd |  8 +++++---
 find_hid.py      | 56 ++++++++++++++++++++++++++++++++++++++++++++------------
 le3dp.pd         | 22 +++++++++++-----------
 3 files changed, 60 insertions(+), 26 deletions(-)

diff --git a/find_hid-help.pd b/find_hid-help.pd
index 11f31c7..a219d68 100644
--- a/find_hid-help.pd
+++ b/find_hid-help.pd
@@ -2,9 +2,11 @@
 #X obj 51 100 py find_hid find;
 #X obj 51 122 print;
 #X msg 51 65 reload;
-#X msg 158 69 find USB-PS/2 Optical Mouse;
-#X text 53 239 $Id: find_hid-help.pd 192 2005-11-20 00:54:05Z tim $;
+#X text 53 239 $Id: find_hid-help.pd 209 2005-12-09 12:50:36Z tim $
+;
 #X text 49 153 find device in linux udevfs;
+#X msg 158 69 "manufacturer=Logitech" "product=USB-PS/2 Optical Mouse"
+;
 #X connect 0 0 1 0;
 #X connect 2 0 0 0;
-#X connect 3 0 0 1;
+#X connect 5 0 0 1;
diff --git a/find_hid.py b/find_hid.py
index 15b56ff..99f474e 100644
--- a/find_hid.py
+++ b/find_hid.py
@@ -16,28 +16,60 @@
 # the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
 # Boston, MA 02111-1307, USA.
 #
-# $Id: find_hid.py,v 1.1 2005-12-04 18:11:08 timblech Exp $
+# $Id: find_hid.py,v 1.2 2005-12-09 12:50:06 timblech Exp $
 #
 
 from os import popen, listdir
 
+def parse_device(event, rules):
+	pipe = popen('udevinfo -a -p /sys/class/input/%s' % event)
+	
+	line = pipe.readline()
+	while line:
+		line.strip()
+		if '==' in line:
+			setting, value = line.split('==')
+			setting = setting.strip()
+			if '{' in setting:
+				setting = setting.split('{')[1].split('}')[0]
+			value = value.strip().strip('"')
+
+			if setting in rules:
+				if rules [setting] == value:
+					# we matched one rule, so we remove it from the pending rules
+					del rules[setting]
+					
+		line = pipe.readline()
+
+		if len(rules) == 0:
+			pipe.close()
+			print event
+			return float(event.strip("event"))
+
+	pipe.close()
+	return -1
+
 def find (*args):
 	name = ""
 	for token in args:
 		name+=" " + str(token)
+
 	name = name.strip()
+	rules = name.split('" "')
+	rules = map (lambda x: x.strip('"'), rules)
 
-	events = filter(lambda x: "event" in x,  listdir('/sys/class/input/'))
-	
-	for event in events:
-		pipe = popen('udevinfo -a -p /sys/class/input/%s' % event)
+	ruledict = dict()
 
-		line = pipe.readline()
-		while line:
-			if name in line:
-				print event
-				return float(event.strip("event"))
+	for rule in rules:
+		setting, value = rule.split('=',1)
+		ruledict[setting] = value
+	rules = ruledict
 
-			line = pipe.readline()
-		pipe.close()
+	events = filter(lambda x: "event" in x,  listdir('/sys/class/input/'))
+
+	for event in events:
+		ret = parse_device(event, dict(rules))
+		if ret != -1:
+			return int(ret)
+		
 	return -1
diff --git a/le3dp.pd b/le3dp.pd
index 918d0fd..1c025ab 100644
--- a/le3dp.pd
+++ b/le3dp.pd
@@ -109,7 +109,6 @@ btn_8 btn_9 btn_10 btn_11;
 #X connect 1 11 3 0;
 #X connect 1 12 14 0;
 #X restore 51 266 pd buttons;
-#X msg 38 60 find Logitech Extreme 3D;
 #X obj 38 172 prepend open;
 #X obj 38 84 py find_hid;
 #X obj 8 39 t f b;
@@ -120,16 +119,17 @@ btn_8 btn_9 btn_10 btn_11;
 #X text 12 294 $Id: le3dp.pd 194 2005-11-20 01:17:05Z tim $;
 #X text 116 220 abstraction to use a Logitech Extreme 3D Joystick with
 hid under linux;
-#X connect 0 0 7 0;
+#X msg 38 60 find "product=Logitech Extreme 3D";
+#X connect 0 0 6 0;
 #X connect 2 0 1 0;
 #X connect 2 1 3 0;
-#X connect 4 0 6 1;
+#X connect 4 0 7 0;
 #X connect 5 0 8 0;
-#X connect 6 0 9 0;
-#X connect 7 0 11 0;
-#X connect 7 1 4 0;
-#X connect 8 0 2 0;
-#X connect 9 0 10 0;
-#X connect 9 1 5 0;
-#X connect 10 0 11 1;
-#X connect 11 0 8 0;
+#X connect 6 0 10 0;
+#X connect 6 1 13 0;
+#X connect 7 0 2 0;
+#X connect 8 0 9 0;
+#X connect 8 1 4 0;
+#X connect 9 0 10 1;
+#X connect 10 0 7 0;
+#X connect 13 0 5 1;
-- 
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