Script from Roberto Foglietta to do config2help in bash instead of python.

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
+