aboutsummaryrefslogtreecommitdiff
path: root/scripts/hxtool
blob: 1e2c97c5e69db8a64ee0822f5ed76abe0fefcafd (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
#!/bin/sh

hxtoh()
{
    flag=1
    while read -r str; do
        case $str in
            HXCOMM*)
            ;;
            STEXI*|ETEXI*) flag=$(($flag^1))
            ;;
            *)
            test $flag -eq 1 && printf "%s\n" "$str"
            ;;
        esac
    done
}

print_texi_heading()
{
    if test "$*" != ""; then
        printf "@subsection %s\n" "$*"
    fi
}

hxtotexi()
{
    flag=0
    line=1
    while read -r str; do
        case "$str" in
            HXCOMM*)
            ;;
            STEXI*)
            if test $flag -eq 1 ; then
                printf "line %d: syntax error: expected ETEXI, found '%s'\n" "$line" "$str" >&2
                exit 1
            fi
            flag=1
            ;;
            ETEXI*)
            if test $flag -ne 1 ; then
                printf "line %d: syntax error: expected STEXI, found '%s'\n" "$line" "$str" >&2
                exit 1
            fi
            flag=0
            ;;
            DEFHEADING*)
            print_texi_heading "$(expr "$str" : "DEFHEADING(\(.*\))")"
            ;;
            ARCHHEADING*)
            print_texi_heading "$(expr "$str" : "ARCHHEADING(\(.*\),.*)")"
            ;;
            *)
            test $flag -eq 1 && printf '%s\n' "$str"
            ;;
        esac
        line=$((line+1))
    done
}

case "$1" in
"-h") hxtoh ;;
"-t") hxtotexi ;;
*) exit 1 ;;
esac

exit 0