148 lines
2.6 KiB
Perl
Executable File
148 lines
2.6 KiB
Perl
Executable File
#!/usr/pkg/bin/perl
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@longmonth = ( "January", "February", "March", "April", "May", "June", "July",
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"August", "September", "October", "November", "December" );
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# require "ctime.pl";
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$sec = 8; # XXX
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sub swallow {
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my ($what) = @_;
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while (<>) {
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chomp;
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return if /$what/i;
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}
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}
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sub chew {
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my ($match, $reset) = @_;
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$_ = undef if $reset;
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while (!(/$match/i)) {
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chomp($_ .= " " . <>);
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}
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}
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sub detag {
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s/<[^>]+>//g;
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}
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sub dehtmlchar {
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s/ / /g;
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s/</</g;
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s/>/>/g;
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}
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($mday, $mon, $year) = (localtime(time))[3 .. 5];
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$date = sprintf "%s %02d, %d", $longmonth[$mon], $mday, $year + 1900;
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swallow("<H3>");
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chomp($_ = <>);
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detag;
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($name, $descr) = split(' ', $_, 2);
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$descr =~ s/^\s*-\s*//;
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($NAME = $name) =~ tr/a-z/A-Z/;
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print <<EOF;
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.\\" \$NetBSD\$
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.\\" Converted from HTML to mandoc by ntp-html2mdoc.pl
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.\\"
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.Dd $date
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.Dt $NAME $sec
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.Os
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.Sh NAME
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.Nm $name
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.Nd $descr
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.Sh SYNOPSIS
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.Nm
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EOF
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swallow("Synopsis");
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chew("</TT>", 1);
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detag;
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s/^\s*$name\s*//;
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@args = split;
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while ($_ = shift @args) {
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next if /\[/;
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s/^-//;
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print ".Op Fl $_";
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if (defined($args[0]) && $args[0] ne "]") {
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print " Ar ", shift @args;
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}
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print "\n";
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shift @args; # remove the "]"
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}
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while (<>) {
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chomp;
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next if length == 0;
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if (/^<H4>/i) {
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chew("</H4>");
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detag;
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tr/a-z/A-Z/;
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s/^\s+//;
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dehtmlchar;
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print ".Sh $_\n";
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next;
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}
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if (/<ADDRESS>/i) {
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chew("</ADDRESS>");
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detag;
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s/^\s+//;
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dehtmlchar;
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print ".Sh AUTHOR\n$_\n";
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next;
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}
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if (/<DL>/i) {
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print ".Bl -tag -width indent\n";
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next;
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}
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if (m#</DL>#i) {
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print ".El\n";
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next;
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}
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if (/<DT>/i) {
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chew("</DT>");
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detag;
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s/^\s*-//;
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s/ / Ar /;
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dehtmlchar;
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print ".It Fl $_\n";
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next;
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}
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if (/<TT>-/) {
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# command line option
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chew("</TT>");
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s#<TT>-([^<]*)#\n.Fl $1\n#ig;
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s#</TT>##ig;
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s#<I>([^<]+)</I>#\n.Ar $1\n#ig;
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}
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if (/<A HREF/) {
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# html reference to another ntp page
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chew("</A>");
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chomp($_ .= " " . <>) if (/<A$/); # another reference on the next line
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s#<TT><A HREF="(.*).htm">\1</A></TT>#\n.Xr \1 $sec\n#ig;
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s#<A HREF="([^"]*)">(.*?) +</A> *page#\n.%T "$2"\npage in\n.Pa /usr/share/doc/html/ntp/$1\n#ig;
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s#^<BR>##g;
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s#<A HREF="([^"]*)">(.*?)</A>#For\n.%T "$2"\n, refer to\n.Pa /usr/share/doc/html/ntp/$1 .\n.Pp\n#ig;
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detag;
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}
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s#<TT>$name</TT>#\n.Nm\n#ig;
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s#<TT>([^<]*)</TT>#\n.Pa $1\n#ig;
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s#<TT><A HREF=[^>]*>([^<]*)</A></TT>#\n.Pa $1\n#ig;
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s#<PRE>#.Pp\n.nf\n#ig;
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s#</PRE>#\n.fi\n.Pp\n#ig;
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s#<P>#\n.Pp\n#ig;
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s#<(HR|DD)>##ig;
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s#</(BODY|HTML|DD)>##ig;
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s#<I>([^<]+)</I>#\n.Ar $1\n#ig;
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dehtmlchar;
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s/^\s+//;
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s/\n+\s*/\n/g;
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s/\n\.(Pa|%T) (.*)\n([,\.:]) /\n.$1 $2 $3\n/g;
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s/\s+\n/\n/g;
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s/\n$//;
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print $_, "\n" if length > 0;
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}
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