[PATCH 4/4] hal-info: Clean up keymap-check.sh

[Victor Lowther]

Robustify sed XML parsing.

Took cues from the original sed comment-removing script on how to do so.
Getting significant speed improvements is a bonus.
---
 tools/keymap-check.sh |   11 ++++++++---
 1 files changed, 8 insertions(+), 3 deletions(-)

diff --git a/tools/keymap-check.sh b/tools/keymap-check.sh
index 6d6f1c9..ff2521e 100755
--- a/tools/keymap-check.sh
+++ b/tools/keymap-check.sh
@@ -7,9 +7,14 @@
 get_line ()
 {
 	local data
-	sed -ne '/^[[:blank:]]*<append key="input.keymap.data"/ { # data lines
-	        s,<[^>]*>,,g; 		# get rid of all xml tags
-		s,[^:]*:,,;   		# get rid of leading cruft
+	sed -ne '/<!--/ { # start of comment nuking code
+			:c; /-->/! {N; b c;};    # join all commented lines
+			/-->/ s/<!--.*-->//g };  # bye bye comment
+		/<append key="input.keymap.data"/ { # interesting lines
+			:c; \,</append>,! {N; b c;};
+			\,</append>, {
+				s,<[^>]*>,,g; 	# get rid of all xml tags
+				s,[^:]*:,,; }; 	# get rid of leading cruft
 		p };' "$1" | while read data;
 	do
 		grep -q "^${data}\$" /tmp/quirk-keymap-list.txt || echo "$data "
-- 
1.5.4.3