1 files changed, 113 insertions, 0 deletions
diff --git a/scripts/metadata.pm b/scripts/metadata.pm
new file mode 100644
index 0000000..f904462
--- /dev/null
+++ b/scripts/metadata.pm
@@ -0,0 +1,113 @@
+package metadata;
+use base 'Exporter';
+use strict;
+use warnings;
+our @EXPORT = qw(%package %srcpackage %category %subdir %preconfig clear_packages parse_package_metadata get_multiline);
+
+our %package;
+our %preconfig;
+our %srcpackage;
+our %category;
+our %subdir;
+
+sub get_multiline {
+	my $fh = shift;
+	my $prefix = shift;
+	my $str;
+	while (<$fh>) {
+		last if /^@@/;
+		s/^\s*//g;
+		$str .= (($_ and $prefix) ? $prefix . $_ : $_);
+	}
+
+	return $str ? $str : "";
+}
+
+sub clear_packages() {
+	%subdir = ();
+	%preconfig = ();
+	%package = ();
+	%srcpackage = ();
+	%category = ();
+}
+
+sub parse_package_metadata($) {
+	my $file = shift;
+	my $pkg;
+	my $makefile;
+	my $preconfig;
+	my $subdir;
+	my $src;
+
+	open FILE, "<$file" or do {
+		warn "Cannot open '$file': $!\n";
+		return undef;
+	};
+	while (<FILE>) {
+		chomp;
+		/^Source-Makefile: \s*((.+\/)([^\/]+)\/Makefile)\s*$/ and do {
+			$makefile = $1;
+			$subdir = $2;
+			$src = $3;
+			$subdir =~ s/^package\///;
+			$subdir{$src} = $subdir;
+			$srcpackage{$src} = [];
+			undef $pkg;
+		};
+		/^Package:\s*(.+?)\s*$/ and do {
+			$pkg = {};
+			$pkg->{src} = $src;
+			$pkg->{makefile} = $makefile;
+			$pkg->{name} = $1;
+			$pkg->{default} = "m if ALL";
+			$pkg->{depends} = [];
+			$pkg->{builddepends} = [];
+			$pkg->{subdir} = $subdir;
+			$package{$1} = $pkg;
+			push @{$srcpackage{$src}}, $pkg;
+		};
+		/^Version: \s*(.+)\s*$/ and $pkg->{version} = $1;
+		/^Title: \s*(.+)\s*$/ and $pkg->{title} = $1;
+		/^Menu: \s*(.+)\s*$/ and $pkg->{menu} = $1;
+		/^Submenu: \s*(.+)\s*$/ and $pkg->{submenu} = $1;
+		/^Submenu-Depends: \s*(.+)\s*$/ and $pkg->{submenudep} = $1;
+		/^Default: \s*(.+)\s*$/ and $pkg->{default} = $1;
+		/^Provides: \s*(.+)\s*$/ and do {
+			my @vpkg = split /\s+/, $1;
+			foreach my $vpkg (@vpkg) {
+				$package{$vpkg} or $package{$vpkg} = { vdepends => [] };
+				push @{$package{$vpkg}->{vdepends}}, $pkg->{name};
+			}
+		};
+		/^Depends: \s*(.+)\s*$/ and $pkg->{depends} = [ split /\s+/, $1 ];
+		/^Build-Depends: \s*(.+)\s*$/ and $pkg->{builddepends} = [ split /\s+/, $1 ];
+		/^Category: \s*(.+)\s*$/ and do {
+			$pkg->{category} = $1;
+			defined $category{$1} or $category{$1} = {};
+			defined $category{$1}->{$src} or $category{$1}->{$src} = [];
+			push @{$category{$1}->{$src}}, $pkg;
+		};
+		/^Description: \s*(.*)\s*$/ and $pkg->{description} = "\t\t $1\n". get_multiline(*FILE, "\t\t ");
+		/^Config: \s*(.*)\s*$/ and $pkg->{config} = "$1\n".get_multiline(*FILE);
+		/^Prereq-Check:/ and $pkg->{prereq} = 1;
+		/^Preconfig:\s*(.+)\s*$/ and do {
+			my $pkgname = $pkg->{name};
+			$preconfig{$pkgname} or $preconfig{$pkgname} = {};
+			if (exists $preconfig{$pkgname}->{$1}) {
+				$preconfig = $preconfig{$pkgname}->{$1};
+			} else {
+				$preconfig = {
+					id => $1
+				};
+				$preconfig{$pkgname}->{$1} = $preconfig;
+			}
+		};
+		/^Preconfig-Type:\s*(.*?)\s*$/ and $preconfig->{type} = $1;
+		/^Preconfig-Label:\s*(.*?)\s*$/ and $preconfig->{label} = $1;
+		/^Preconfig-Default:\s*(.*?)\s*$/ and $preconfig->{default} = $1;
+	}
+	close FILE;
+	return %category;
+}
+
+1;