Commit | Line | Data |
---|---|---|
8cf7c7c2 MW |
1 | #! /usr/bin/perl |
2 | ||
3 | %ch = (); | |
4 | %ord = (); | |
5 | $chunk = undef; | |
6 | $mode = $ARGV[0] || die "mode?"; | |
7 | shift; | |
8 | ||
9 | sub setup { | |
10 | my $r = \%{$ch{$_[0]}}; | |
11 | if (exists $r->{$1}) { | |
12 | $r->{$1} .= ".br\n"; | |
13 | } else { | |
14 | push @{$ord{$_[0]}}, $1; | |
15 | } | |
16 | $chunk = \$r->{$1}; | |
17 | } | |
18 | while (<>) { | |
19 | if (/^\.GS (.*)$/) { | |
20 | setup('grammar'); | |
21 | } elsif (/^\.OS (.*)$/) { | |
22 | setup('option'); | |
23 | } elsif (/^\.GE/ || /^\.OD/) { | |
24 | $chunk = undef; | |
25 | } elsif (/^\.GL (.*)$/) { | |
26 | $ch{'grammar'}{$1} .= ".PP\n"; | |
27 | next; | |
28 | } elsif (/^\.OL (.*)$/) { | |
29 | $ch{'option'}{$1} .= ".PP\n"; | |
30 | next; | |
31 | } elsif (/^@@@ (\w+)$/) { | |
32 | if ($mode eq 'man') { | |
33 | foreach $head (@{$ord{$1}}) { | |
34 | print ".SS $head\n"; | |
35 | print $ch{$1}{$head}; | |
36 | } | |
37 | } | |
38 | next; | |
39 | } else { | |
40 | $$chunk .= $_ if $chunk; | |
41 | } | |
42 | print if $mode eq 'man'; | |
43 | } | |
44 | ||
45 | sub ital { uc($_[0]); } | |
46 | sub bold { $head eq 'option' ? $_[0] : "`$_[0]'"; } | |
47 | sub rom { $_[0]; } | |
48 | ||
49 | sub deroff { | |
50 | $head = $_[0]; | |
51 | my $chsep = ""; | |
52 | my $out = ""; | |
53 | for my $chunk (@{$ord{$head}}) { | |
54 | (my $chh = $chunk) =~ s/^"(.*)"$/$1/; | |
55 | $out .= "$chsep$chh\n"; | |
56 | $chsep = "\n"; | |
57 | $sep = "\t"; | |
58 | for (split /\n/, $ch{$head}{$chunk}) { | |
59 | s/\s$//; s/\\\&//g; s/\\-/-/g; | |
60 | if (/^\.I (.*)$/) { | |
61 | $out .= $sep . ital($1); | |
62 | $sep = " "; | |
63 | } elsif (/^\.B (.*)$/) { | |
64 | $out .= $sep . bold($1); | |
65 | $sep = " "; | |
66 | } elsif (/^\.RB (.*)/) { | |
67 | my $i = 1; $out .= $sep; $sep = " "; | |
68 | for my $w (split ' ', $1) { | |
69 | if ($w eq "\\c") { | |
70 | $sep = ""; last; | |
71 | } | |
72 | $out .= ($i++%2 ? rom($w) : bold($w)); | |
73 | } | |
74 | } elsif (/^\.BR (.*)/) { | |
75 | my $i = 1; $out .= $sep; $sep = " "; | |
76 | for my $w (split ' ', $1) { | |
77 | if ($w eq "\\c") { | |
78 | $sep = ""; last; | |
79 | } | |
80 | $out .= ($i++%2 ? bold($w) : rom($w)); | |
81 | } | |
82 | } elsif (/^\.IR (.*)/) { | |
83 | my $i = 1; $out .= $sep; $sep = " "; | |
84 | for my $w (split ' ', $1) { | |
85 | if ($w eq "\\c") { | |
86 | $sep = ""; last; | |
87 | } | |
88 | $out .= ($i++%2 ? ital($w) : rom($w)); | |
89 | } | |
90 | } elsif (/^\.RI (.*)/) { | |
91 | my $i = 1; $out .= $sep; $sep = " "; | |
92 | for my $w (split ' ', $1) { | |
93 | if ($w eq "\\c") { | |
94 | $sep = ""; last; | |
95 | } | |
96 | $out .= ($i++%2 ? rom($w) : ital($w)); | |
97 | } | |
98 | } elsif (/^\.BI (.*)/) { | |
99 | my $i = 1; $out .= $sep; $sep = " "; | |
100 | for my $w (split ' ', $1) { | |
101 | if ($w eq "\\c") { | |
102 | $sep = ""; last; | |
103 | } | |
104 | $out .= ($i++%2 ? bold($w) : ital($w)); | |
105 | } | |
106 | } elsif (/^\.IB (.*)/) { | |
107 | my $i = 1; $out .= $sep; $sep = " "; | |
108 | for my $w (split ' ', $1) { | |
109 | if ($w eq "\\c") { | |
110 | $sep = ""; last; | |
111 | } | |
112 | $out .= ($i++%2 ? ital($w) : bold($w)); | |
113 | } | |
114 | } elsif (/^\.$/) { | |
115 | # foo | |
116 | } elsif (/^[^.]/) { | |
117 | $out .= $sep . $_; | |
118 | $sep = " "; | |
119 | } elsif (/^\.br$/ || /^\.PP$/) { | |
120 | $out .= "\n"; | |
121 | $sep = "\t"; | |
122 | } | |
123 | } | |
124 | $out .= "\n"; | |
125 | } | |
126 | return $out; | |
127 | } | |
128 | ||
129 | if ($mode eq 'c') { | |
130 | print <<EOF; | |
131 | /* -*-c-*- | |
132 | * | |
133 | * Generated grammar and options summary | |
134 | */ | |
135 | ||
136 | #include "mantext.h" | |
137 | ||
138 | EOF | |
139 | for $head (keys %ch) { | |
140 | print "const char ${head}_text[] = \"\\\n"; | |
141 | $text = deroff($head); | |
142 | $text =~ s/\n/\\n\\\n/g; | |
143 | print $text; | |
144 | print "\";\n\n"; | |
145 | } | |
146 | } elsif ($mode eq 'text') { | |
147 | my $sep = ""; | |
148 | for $head (keys %ch) { | |
149 | print $sep, deroff($head); | |
150 | $sep = "\n"; | |
151 | } | |
152 | } |