Do not relay on libevdev for button/axis names, an prepare for device specific names, and add reverse lookup functions

Signed-off-by: Mattias Andrée <maandree@kth.se>

1 files changed, 53 insertions, 0 deletions

diff --git a/names.sh b/names.sh
new file mode 100755
index 0000000..40ed998
--- /dev/null
+++ b/names.sh
@@ -0,0 +1,53 @@
+#!/bin/sh
+
+prefix="$(printf '%s\\|' "$@" | sed 's/..$//')"
+
+definitions_with_max="$(sed -n 's/^\s*#\s*define\s\+\(\('"$prefix"'\)_[A-Za-z0-9_]*\)\s\+\(0[xX][0-9A-Fa-f]\+\|[0-9]\+\)\(.*\)$/\3 \1/p')"
+
+definitions="$(echo "$definitions_with_max" | sed '/ \('"$prefix"'\)_MAX$/d')"
+max=$(printf '%u\n' $(echo "$definitions_with_max" | sed -n 's/^\(.*\) \('"$prefix"'\)_MAX$/\1/p'))
+
+nonunique="$(echo "$definitions" | while read num name; do printf '0x%03X\n' $num; done | sort | uniq -d)"
+
+(echo "$definitions" |
+	while read line; do
+		printf '0x%03X %s\n' $line
+	done |
+	sed '/^\('"$(echo "$nonunique" | tr '\n' '|' | sed 's/|$/\n/' | sed 's/|/\\|/g')"'\) /d'
+
+	last_num=x
+	last_name=x
+	while read num name; do
+		num=$(printf '0x%03X\n' $num)
+		if ! test $last_num = $num && ! test $last_num = x; then
+			printf '%s %s\n' $last_num $last_name
+		fi
+		last_num=$num
+		last_name=$name
+	done
+	if ! test $last_num = x; then
+		printf '%s %s\n' $last_num $last_name
+	fi
+) |
+sort |
+while read num name; do
+	printf '%s %u\n' $name $num;
+done |
+uniq -f 1 |
+awk '
+BEGIN {num = 0}
+{
+	while ($2 != num) {
+		printf "\"0x%03X\",\n", num
+		num += 1
+	}
+	printf "\"%s\",\n", $1
+	num += 1
+}
+END {
+	while (num <= '"$max"') {
+		printf "\"0x%03X\",\n", num
+		num += 1
+	}
+}' |
+sed '$s/,$//'