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authorRob Landley <rob@landley.net>2008-01-30 17:05:37 -0600
committerRob Landley <rob@landley.net>2008-01-30 17:05:37 -0600
commit8dd51344c8276bfe8fc0430160336e7b5f5652e9 (patch)
tree204075ac67ba2770f396c8c17c4f6247b73f6da2
parentf641854ce4126cbe8f344e106dd9c2356c392b31 (diff)
downloadtoybox-8dd51344c8276bfe8fc0430160336e7b5f5652e9.tar.gz
Script from Roberto Foglietta to do config2help in bash instead of python.
-rwxr-xr-xscripts/config2help.sh54
1 files changed, 54 insertions, 0 deletions
diff --git a/scripts/config2help.sh b/scripts/config2help.sh
new file mode 100755
index 00000000..63d6c6f0
--- /dev/null
+++ b/scripts/config2help.sh
@@ -0,0 +1,54 @@
+#!/bin/bash -e
+
+function firstmajor() {
+ declare -i n j=$1
+ test $j -gt 0 || return -1
+ for j in $@; do
+ if [ $j -gt $1 ]; then
+ echo $j
+ return 0
+ fi
+ done
+ return 1
+}; export -f firstmajor
+
+function print_h() {
+ declare -i i c=$2 s=$3 e=$4
+ local str="$(echo "$1" | head -n$c | tail -n1 | sed -e "s,config[\t ]*,,")"
+ echo -n "#define help_"$str" \"" | tr [A-Z] [a-z]
+ echo -n "$1\\n" | head -n$e | tail -n$[e-s+1] | sed -e "s,\$,\r," | tr \\n\\r n\\
+ echo \"
+}; export -f print_h
+
+file="$1"
+if test "$0" != "bash"; then
+ if test -r "$file"; then
+# echo "$file..." >&2
+ filetxt="$(sed -e "s,^[\t ]*,," -e "s,\([\"\\\\]\),\\\\\\1,g" "$file")"
+ helps=$(echo "$filetxt" | egrep -ne "^help *" -e "^---help--- *" | cut -d\: -f1)
+ configs=$(echo "$filetxt" | egrep -ne "^config *" | cut -d\: -f1)
+ endmenus=$(echo "$filetxt" | egrep -ne "^endmenu *" | cut -d\: -f1)
+ let last=$(echo "$filetxt" | wc -l)+2
+
+ declare -i i c s e
+ for i in $configs; do
+# echo -n "c:$i" >&2
+ s=$(firstmajor $i $helps)
+ test $s -gt 0
+ e=$(firstmajor $s $configs || firstmajor $s $endmenus $last)
+ let s++ e-=2
+ test $e -ge $s
+# echo " s:$s e:$e" >&2
+ print_h "$filetxt" $i $s $e
+ done
+ for fle in $(cat "$file" | egrep -e "^[ \t]*source " | sed -e "s,^[ \t]*source *\(.*\),\\1,"); do
+ $0 $fle
+ done
+ else
+ echo
+ echo "USAGE EXAMPLE: $(basename $0) Config.in > generated/help.h"
+ echo
+ false
+ fi | sed -e "s,\\\\n\\\\n\"$,\\\\n\","
+fi
+