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#!/usr/bin/perl
# postconf2html - add HTML paragraphs
# Basic operation:
#
# - Process input as text blocks separated by one or more empty
# (or all whitespace) lines.
#
# - Remove text between <!-- and -->; each may be on a different line.
#
# - Optionally remove <nroffescape> pass-through requests (unless
# the -n option is specified).
#
# - Don't touch blocks that start with `<' in column zero.
#
# The only changes made are:
#
# - Emit "<DT><a name="parametername">parametername</a>...</DT><DD>" at
# the top of each parameter description.
#
# All other non-comment input is flagged as an error.
use Getopt::Std;
$opt_h = undef;
$opt_v = undef;
$opt_n = undef;
getopts("hnv");
die "Usage: $0 [-nv]\n" if ($opt_h);
#push @ARGV, "/dev/null"; # XXX
while(<>) {
# Skip comments.
next if /^#/;
# Skip blank lines before text block.
next unless (/\S/);
# Gobble up the next text block.
$block = "";
$comment = 0;
do {
$_ =~ s/\s+\n$/\n/;
$block .= $_;
if ($_ =~ /<!--/)
{ $comment = 1; }
if ($comment && $_ =~ /-->/)
{ $comment = 0; $block =~ s/<!--.*-->//sg; }
} while((($_ = <>) && /\S/) || $comment);
# Strip nroff escapes.
$block =~ s/<\s*nroffescape[^>]+>//g unless $opt_n;
# Skip blanks after comment elimination.
if ($block =~ /^\s/) {
$block =~ s/^\s+//s;
next if ($block eq "");
}
# Don't touch a text block starting with < in column zero.
if ($block =~ /^</) {
print "$block\n";
}
# Meta block. Emit upper case tags for html2man.
elsif ($block =~ /^%PARAM/) {
print "\n</DD>\n\n" if ($param);
print "\n<DL>\n\n" if ($need_dl);
$need_dl = 0;
($junk, $param, $defval) = split(/\s+/, $block, 3);
$defval =~ s/\s+$//s;
$defval = "empty" if ($defval eq "");
$defval = "default: $defval" unless ($defval eq "read-only");
print "<DT><b><a name=\"$param\">$param</a>\n($defval)</b></DT><DD>\n\n";
}
# Meta block. Emit upper case tags for html2man.
elsif ($block =~ /^%CLASS/) {
print "\n</DD>\n\n" if ($param);
print "\n</DL>\n\n" if ($class);
$param ="";
($junk, $class, $text) = split(/\s+/, $block, 3);
$text =~ s/\s+$//s;
print "<H2><a name=\"$class\">$text</a></H2>\n\n";
$need_dl = 1;
}
# Can't happen.
else {
die "Unrecognized text block:\n$block";
}
}
print "\n</DD>\n\n" if ($param);
print "\n</DL>\n\n" if ($class);
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