maint/gen-zone

   1 #!/usr/bin/perl -w
   2 # Create a DNS zone with PCI ID records
   3
   4 use strict;
   5
   6 my %ids = ();
   7 my %comments = ();
   8 foreach our $file (@ARGV) {
   9         my $fn = ($file =~ /\.gz$/) ? "zcat $file |" : ($file =~ /\.bz2$/) ? "bzcat $file |" : $file;
  10         open F, $fn or die "Unable to open $file: $!";
  11         my @id = ();
  12         my $comm = "";
  13         sub err($) {
  14                 print STDERR "Error in $file, line $.: @_\n";
  15                 exit 1;
  16         }
  17         while (<F>) {
  18                 if (/^(#.*)/) {
  19                         $comm .= $_;
  20                         next;
  21                 }
  22                 chomp;
  23                 if (my ($indent, $id, $ignored, $name) = /^(\t*)(([0-9a-fA-Z]+ ?)*)((  |\t|$)\s*(.*))$/) {
  24                         my $depth = length $indent;
  25                         $depth <= @id or err "Mismatched indentation";
  26                         @id = (@id[0..$depth-1], $id);
  27                         my $i = join(":", @id);
  28                         if ($i ne "") {
  29                                 !exists $ids{$i} or die "ID $i defined twice";
  30                                 $ids{$i} = $name;
  31                                 $comments{$i} = $comm if $comm;
  32                         }
  33                 } elsif (!/^$/) {
  34                         err "Parse error";
  35                 }
  36                 $comm = "";
  37         }
  38         close F;
  39 }
  40
  41 sub esc($) {
  42         my ($x) = @_;
  43         $x =~ s/^\s+//;
  44         $x =~ s/"/\\"/g;
  45         return $x;
  46 }
  47
  48 foreach my $i (keys %ids) {
  49         my $j = join(".", reverse split(/[: ]/, $i));
  50         print "$j.pci\tTXT \"i=", esc($ids{$i}), "\"\n";
  51         # print "$j.pci\tTXT \"c=", esc($comments{$i}), "\"\n"
  52 }