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 %features clear_packages parse_package_metadata get_multiline);
   6
   7 our %package;
   8 our %preconfig;
   9 our %srcpackage;
  10 our %category;
  11 our %subdir;
  12 our %features;
  13
  14 sub get_multiline {
  15         my $fh = shift;
  16         my $prefix = shift;
  17         my $str;
  18         while (<$fh>) {
  19                 last if /^@@/;
  20                 $str .= (($_ and $prefix) ? $prefix . $_ : $_);
  21         }
  22
  23         return $str ? $str : "";
  24 }
  25
  26 sub clear_packages() {
  27         %subdir = ();
  28         %preconfig = ();
  29         %package = ();
  30         %srcpackage = ();
  31         %category = ();
  32         %features = ();
  33 }
  34
  35 sub parse_package_metadata($) {
  36         my $file = shift;
  37         my $pkg;
  38         my $feature;
  39         my $makefile;
  40         my $preconfig;
  41         my $subdir;
  42         my $src;
  43
  44         open FILE, "<$file" or do {
  45                 warn "Cannot open '$file': $!\n";
  46                 return undef;
  47         };
  48         while (<FILE>) {
  49                 chomp;
  50                 /^Source-Makefile: \s*((.+\/)([^\/]+)\/Makefile)\s*$/ and do {
  51                         $makefile = $1;
  52                         $subdir = $2;
  53                         $src = $3;
  54                         $subdir =~ s/^package\///;
  55                         $subdir{$src} = $subdir;
  56                         $srcpackage{$src} = [];
  57                         undef $pkg;
  58                 };
  59                 next unless $src;
  60                 /^Package:\s*(.+?)\s*$/ and do {
  61                         undef $feature;
  62                         $pkg = {};
  63                         $pkg->{src} = $src;
  64                         $pkg->{makefile} = $makefile;
  65                         $pkg->{name} = $1;
  66                         $pkg->{title} = "";
  67                         $pkg->{default} = "m if ALL";
  68                         $pkg->{depends} = [];
  69                         $pkg->{builddepends} = [];
  70                         $pkg->{buildtypes} = [];
  71                         $pkg->{subdir} = $subdir;
  72                         $pkg->{tristate} = 1;
  73                         $package{$1} = $pkg;
  74                         push @{$srcpackage{$src}}, $pkg;
  75                 };
  76                 /^Feature:\s*(.+?)\s*$/ and do {
  77                         undef $pkg;
  78                         $feature = {};
  79                         $feature->{name} = $1;
  80                         $feature->{priority} = 0;
  81                 };
  82                 $feature and do {
  83                         /^Target-Name:\s*(.+?)\s*$/ and do {
  84                                 $features{$1} or $features{$1} = [];
  85                                 push @{$features{$1}}, $feature;
  86                         };
  87                         /^Target-Title:\s*(.+?)\s*$/ and $feature->{target_title} = $1;
  88                         /^Feature-Priority:\s*(\d+)\s*$/ and $feature->{priority} = $1;
  89                         /^Feature-Name:\s*(.+?)\s*$/ and $feature->{title} = $1;
  90                         /^Feature-Description:/ and $feature->{description} = get_multiline(\*FILE, "\t\t\t");
  91                         next;
  92                 };
  93                 next unless $pkg;
  94                 /^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
  95                 /^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
  96                 /^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
  97                 /^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
  98                 /^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
  99                 /^Source: \s*(.+)\s*$/ and $pkg->{source} = $1;
 100                 /^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
 101                 /^Provides: \s*(.+)\s*$/ and do {
 102                         my @vpkg = split /\s+/, $1;
 103                         foreach my $vpkg (@vpkg) {
 104                                 $package{$vpkg} or $package{$vpkg} = {
 105                                         name => $vpkg,
 106                                         vdepends => [],
 107                                         src => $src,
 108                                         subdir => $subdir,
 109                                         makefile => $makefile
 110                                 };
 111                                 push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
 112                         }
 113                 };
 114                 /^Depends: \s*(.+)\s*$/ and $pkg->{depends} = [ split /\s+/, $1 ];
 115                 /^Build-Variant: \s*(\w+)\s*/ and $pkg->{variant} = $1;
 116                 /^Build-Only: \s*(.+)\s*$/ and $pkg->{buildonly} = 1;
 117                 /^Build-Depends: \s*(.+)\s*$/ and $pkg->{builddepends} = [ split /\s+/, $1 ];
 118                 /^Build-Depends\/(\w+): \s*(.+)\s*$/ and $pkg->{"builddepends/$1"} = [ split /\s+/, $2 ];
 119                 /^Build-Types:\s*(.+)\s*$/ and $pkg->{buildtypes} = [ split /\s+/, $1 ];
 120                 /^Category: \s*(.+)\s*$/ and do {
 121                         $pkg->{category} = $1;
 122                         defined $category{$1} or $category{$1} = {};
 123                         defined $category{$1}->{$src} or $category{$1}->{$src} = [];
 124                         push @{$category{$1}->{$src}}, $pkg;
 125                 };
 126                 /^Description: \s*(.*)\s*$/ and $pkg->{description} = "\t\t $1\n". get_multiline(*FILE, "\t\t ");
 127                 /^Type: \s*(.+)\s*$/ and do {
 128                         $pkg->{type} = [ split /\s+/, $1 ];
 129                         undef $pkg->{tristate};
 130                         foreach my $type (@{$pkg->{type}}) {
 131                                 $type =~ /ipkg/ and $pkg->{tristate} = 1;
 132                         }
 133                 };
 134                 /^Config:\s*(.*)\s*$/ and $pkg->{config} = "$1\n".get_multiline(*FILE, "\t");
 135                 /^Prereq-Check:/ and $pkg->{prereq} = 1;
 136                 /^Preconfig:\s*(.+)\s*$/ and do {
 137                         my $pkgname = $pkg->{name};
 138                         $preconfig{$pkgname} or $preconfig{$pkgname} = {};
 139                         if (exists $preconfig{$pkgname}->{$1}) {
 140                                 $preconfig = $preconfig{$pkgname}->{$1};
 141                         } else {
 142                                 $preconfig = {
 143                                         id => $1
 144                                 };
 145                                 $preconfig{$pkgname}->{$1} = $preconfig;
 146                         }
 147                 };
 148                 /^Preconfig-Type:\s*(.*?)\s*$/ and $preconfig->{type} = $1;
 149                 /^Preconfig-Label:\s*(.*?)\s*$/ and $preconfig->{label} = $1;
 150                 /^Preconfig-Default:\s*(.*?)\s*$/ and $preconfig->{default} = $1;
 151         }
 152         close FILE;
 153         return 1;
 154 }
 155
 156 1;