scripts/metadata.pm

   1 package metadata;
   2 use base 'Exporter';
   3 use strict;
   4 use warnings;
   5 our @EXPORT = qw(%package %srcpackage %category %subdir %preconfig clear_packages parse_package_metadata get_multiline);
   6
   7 our %package;
   8 our %preconfig;
   9 our %srcpackage;
  10 our %category;
  11 our %subdir;
  12
  13 sub get_multiline {
  14         my $fh = shift;
  15         my $prefix = shift;
  16         my $str;
  17         while (<$fh>) {
  18                 last if /^@@/;
  19                 s/^\s*//g;
  20                 $str .= (($_ and $prefix) ? $prefix . $_ : $_);
  21         }
  22
  23         return $str ? $str : "";
  24 }
  25
  26 sub clear_packages() {
  27         %subdir = ();
  28         %preconfig = ();
  29         %package = ();
  30         %srcpackage = ();
  31         %category = ();
  32 }
  33
  34 sub parse_package_metadata($) {
  35         my $file = shift;
  36         my $pkg;
  37         my $makefile;
  38         my $preconfig;
  39         my $subdir;
  40         my $src;
  41
  42         open FILE, "<$file" or do {
  43                 warn "Cannot open '$file': $!\n";
  44                 return undef;
  45         };
  46         while (<FILE>) {
  47                 chomp;
  48                 /^Source-Makefile: \s*((.+\/)([^\/]+)\/Makefile)\s*$/ and do {
  49                         $makefile = $1;
  50                         $subdir = $2;
  51                         $src = $3;
  52                         $subdir =~ s/^package\///;
  53                         $subdir{$src} = $subdir;
  54                         $srcpackage{$src} = [];
  55                         undef $pkg;
  56                 };
  57                 /^Package:\s*(.+?)\s*$/ and do {
  58                         $pkg = {};
  59                         $pkg->{src} = $src;
  60                         $pkg->{makefile} = $makefile;
  61                         $pkg->{name} = $1;
  62                         $pkg->{default} = "m if ALL";
  63                         $pkg->{depends} = [];
  64                         $pkg->{builddepends} = [];
  65                         $pkg->{subdir} = $subdir;
  66                         $package{$1} = $pkg;
  67                         push @{$srcpackage{$src}}, $pkg;
  68                 };
  69                 /^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
  70                 /^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
  71                 /^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
  72                 /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
  73                 /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
  74                 /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
  75                 /^Provides: \s*(.+)\s*$/ and do {
  76                         my @vpkg = split /\s+/, $1;
  77                         foreach my $vpkg (@vpkg) {
  78                                 $package{$vpkg} or $package{$vpkg} = { vdepends => [] };
  79                                 push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
  80                         }
  81                 };
  82                 /^Depends: \s*(.+)\s*$/ and $pkg->{depends} = [ split /\s+/, $1 ];
  83                 /^Build-Depends: \s*(.+)\s*$/ and $pkg->{builddepends} = [ split /\s+/, $1 ];
  84                 /^Category: \s*(.+)\s*$/ and do {
  85                         $pkg->{category} = $1;
  86                         defined $category{$1} or $category{$1} = {};
  87                         defined $category{$1}->{$src} or $category{$1}->{$src} = [];
  88                         push @{$category{$1}->{$src}}, $pkg;
  89                 };
  90                 /^Description: \s*(.*)\s*$/ and $pkg->{description} = "\t\t $1\n". get_multiline(*FILE, "\t\t ");
  91                 /^Config: \s*(.*)\s*$/ and $pkg->{config} = "$1\n".get_multiline(*FILE);
  92                 /^Prereq-Check:/ and $pkg->{prereq} = 1;
  93                 /^Preconfig:\s*(.+)\s*$/ and do {
  94                         my $pkgname = $pkg->{name};
  95                         $preconfig{$pkgname} or $preconfig{$pkgname} = {};
  96                         if (exists $preconfig{$pkgname}->{$1}) {
  97                                 $preconfig = $preconfig{$pkgname}->{$1};
  98                         } else {
  99                                 $preconfig = {
 100                                         id => $1
 101                                 };
 102                                 $preconfig{$pkgname}->{$1} = $preconfig;
 103                         }
 104                 };
 105                 /^Preconfig-Type:\s*(.*?)\s*$/ and $preconfig->{type} = $1;
 106                 /^Preconfig-Label:\s*(.*?)\s*$/ and $preconfig->{label} = $1;
 107                 /^Preconfig-Default:\s*(.*?)\s*$/ and $preconfig->{default} = $1;
 108         }
 109         close FILE;
 110         return %category;
 111 }
 112
 113 1;