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postconf2man revision 1.1 
      1 #!/usr/bin/perl
      2 
      3 # postconf2man - convert postconf2html to nroff
      4 
      5 # Basic operation: 
      6 #
      7 # - Process input as blocks of text separated by one or more empty
      8 # (or all whitespace) lines. 
      9 #
     10 # Caution: this depends heavily on the postconf2html output format.
     11 
     12 #use Getopt::Std;
     13 
     14 #$opt_h = undef;
     15 #$opt_v = undef;
     16 #getopts("hv");
     17 
     18 #die "Usage: $0 [-hv]\n" if ($opt_h);
     19 
     20 #push @ARGV, "/dev/null"; # XXX
     21 
     22 while(<>) {
     23 
     24     # Skip blank lines before text block.
     25     next unless (/\S/);
     26 
     27     # Gobble up the next text block.
     28     $block = "";
     29     do {
     30 	$_ =~ s/\s+\n$/\n/;
     31 	$block .= $_;
     32     } while(($_ = <>) && /\S/);
     33 
     34     # How the %!#$^@ do I get a backslash substituted into a string?
     35     # Even \134 comes out as \e. What brain damage is this?
     36     #$block =~ s/\n\./\n\\\&./g;
     37     $block =~ s/\n\./\n\134\&./g;
     38     if ($block =~ /<H2>/) {
     39 	$block =~ s/<H2><a[^>]+>([^<]+)<\/a><\/H2>/\n.SH \1\n/g;
     40 	$block =~ tr/a-z/A-Z/;
     41     }
     42     $block =~ s/<DT><b><a[^>]+>([^<]+)<\/a>\n(.*)<\/b><\/DT><DD>/\n.SH \1 \2\n/g;
     43     $block =~ s/<[Aa] [Hh][Rr][Ee][Ff]="[^"]+">//g;
     44     $block =~ s/<[Aa] [Nn][Aa][Mm][Ee]="[^"]+">//g;
     45     $block =~ s/<\/[Aa]>//g;
     46     $block =~ s/<\/DD>/\n/g;
     47     $block =~ s/<DL>/\n/g;
     48     $block =~ s/<\/DL>/\n/g;
     49     $block =~ s/\\/\\e/g;
     50     $block =~ s/<b>/\\fB/g;
     51     $block =~ s/<i>/\\fI/g;
     52     $block =~ s/<\/b>/\\fR/g;
     53     $block =~ s/<\/i>/\\fR/g;
     54     $block =~ s/^(<p(re)?>)/.PP\n\1/ if ($wantpp);
     55     $block =~ s/<p> */\n/g;
     56     $block =~ s/ *<\/p>/\n/g;
     57     $block =~ s/<pre>/\n.nf\n.na\n.ft C\n/g;
     58     $block =~ s/<\/pre>/\n.fi\n.ad\n.ft R\n/g;
     59     $block =~ s/<dl[^>]*>/\n/g;
     60     $block =~ s/<ul>/\n/g;
     61     #$block =~ s/<\/dl>/\n.PP\n/g;
     62     #$block =~ s/<\/ul>/\n.PP\n/g;
     63     $block =~ s/<\/dl>/\n/g;
     64     $block =~ s/<\/ul>/\n/g;
     65     $block =~ s/<dd>\s*/\n/g;
     66     $block =~ s/<\/dd>/\n/g;
     67     $block =~ s/<li>\s*/\n.IP \\(bu\n/g;
     68     $block =~ s/<dt>\s*/\n.IP "/g;
     69     $block =~ s/\s*<\/dt>/"/g;
     70     $block =~ s/<tt>\s*//g;
     71     $block =~ s/\s*<\/tt>//g;
     72     $block =~ s/<blockquote>/\n.sp\n.in +4\n/g;
     73     $block =~ s/<\/blockquote>/\n.in -4\n/g;
     74     $block =~ s/\n<br>\s*/\n.br\n/g;
     75     $block =~ s/<br>\s*/\n.br\n/g;
     76     $block =~ s/&le;/<=/g;
     77     $block =~ s/&lt;/</g;
     78     $block =~ s/&ge;/>=/g;
     79     $block =~ s/&gt;/>/g;
     80     $block =~ s/&amp;/\&/g;
     81     $block =~ s/\s+\n/\n/g;
     82     $block =~ s/^\n//g;
     83     $block =~ s/([a-z][_a-zA-Z0-9-]*)(\([0-9]\))/\\fB\1\\fR\2/g;
     84     print $block;
     85     $wantpp = !($block =~ /^\.(SH|IP)/);
     86 }
     87