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1#!/bin/sh
2
3die () {
4 echo "$@" >&2
5 exit 1
6}
7
8command_list () {
9 while read cmd rest
10 do
11 case "$cmd" in
12 "#"* | '')
13 # Ignore comments and allow empty lines
14 continue
15 ;;
16 *)
17 case "$exclude_programs" in
18 *":$cmd:"*)
19 ;;
20 *)
21 echo "$cmd $rest"
22 ;;
23 esac
24 esac
25 done <"$1"
26}
27
28category_list () {
29 echo "$1" |
30 cut -d' ' -f2- |
31 tr ' ' '\012' |
32 grep -v '^$' |
33 LC_ALL=C sort -u
34}
35
36define_categories () {
37 echo
38 echo "/* Command categories */"
39 bit=0
40 echo "$1" |
41 while read cat
42 do
43 echo "#define CAT_$cat (1UL << $bit)"
44 bit=$(($bit+1))
45 done
46 test "$bit" -gt 32 && die "Urgh.. too many categories?"
47}
48
49define_category_names () {
50 echo
51 echo "/* Category names */"
52 echo "static const char *category_names[] = {"
53 bit=0
54 echo "$1" |
55 while read cat
56 do
57 echo " \"$cat\", /* (1UL << $bit) */"
58 bit=$(($bit+1))
59 done
60 echo " NULL"
61 echo "};"
62}
63
64print_command_list () {
65 echo "static struct cmdname_help command_list[] = {"
66
67 echo "$2" |
68 while read cmd rest
69 do
70 synopsis=
71 while read line
72 do
73 case "$line" in
74 "$cmd - "*)
75 synopsis=${line#$cmd - }
76 break
77 ;;
78 esac
79 done <"$1/Documentation/$cmd.adoc"
80
81 printf '\t{ "%s", N_("%s"), 0' "$cmd" "$synopsis"
82 printf " | CAT_%s" $rest
83 echo " },"
84 done
85 echo "};"
86}
87
88exclude_programs=:
89while test "--exclude-program" = "$1"
90do
91 shift
92 exclude_programs="$exclude_programs$1:"
93 shift
94done
95
96if test "$#" -ne 2
97then
98 die "USAGE: $0 <SOURCE_DIR> <OUTPUT>"
99fi
100
101SOURCE_DIR="$1"
102OUTPUT="$2"
103
104{
105 commands="$(command_list "$SOURCE_DIR"/command-list.txt)"
106 categories="$(category_list "$commands")"
107
108 echo "/* Automatically generated by generate-cmdlist.sh */
109 struct cmdname_help {
110 const char *name;
111 const char *help;
112 uint32_t category;
113 };
114 "
115 define_categories "$categories"
116 echo
117 define_category_names "$categories"
118 echo
119 print_command_list "$SOURCE_DIR" "$commands"
120} >"$OUTPUT"