contrib/buildsystems/Generators.pm

   1 package Generators;
   2 require Exporter;
   3
   4 use strict;
   5 use File::Basename;
   6 no strict 'refs';
   7 use vars qw($VERSION @AVAILABLE);
   8
   9 our $VERSION = '1.00';
  10 our(@ISA, @EXPORT, @EXPORT_OK, @AVAILABLE);
  11 @ISA = qw(Exporter);
  12
  13 BEGIN {
  14     local(*D);
  15     my $me = $INC{"Generators.pm"};
  16     die "Couldn't find myself in \@INC, which is required to load the generators!" if ("$me" eq "");
  17     $me = dirname($me);
  18     if (opendir(D,"$me/Generators")) {
  19         foreach my $gen (readdir(D)) {
  20             next unless ($gen  =~ /\.pm$/);
  21             require "${me}/Generators/$gen";
  22             $gen =~ s,\.pm,,;
  23             push(@AVAILABLE, $gen);
  24         }
  25         closedir(D);
  26         my $gens = join(', ', @AVAILABLE);
  27     }
  28
  29     push @EXPORT_OK, qw(available);
  30 }
  31
  32 sub available {
  33     return @AVAILABLE;
  34 }
  35
  36 sub generate {
  37     my ($gen, $git_dir, $out_dir, $rel_dir, %build_structure) = @_;
  38     return eval("Generators::${gen}::generate(\$git_dir, \$out_dir, \$rel_dir, \%build_structure)") if grep(/^$gen$/, @AVAILABLE);
  39     die "Generator \"${gen}\" is not available!\nAvailable generators are: @AVAILABLE\n";
  40 }
  41
  42 1;