my %args = @_;
- my ($name, $category, $version);
+ my ($category, $name, $version);
if (defined $args{name}) {
- ($name, $category, $version) = @args{qw/name category version/};
+ ($category, $name, $version) = @args{qw/category name version/};
Carp::confess('Category unspecified') unless defined $category;
/[^\w-]/ and Carp::confess('Invalid argument') for $name, $category;
} elsif (defined $args{atom}) {
my $atom = $args{atom};
$atom =~ m{^([\w-]+)/([\w-]+)-v?($version_rx)$}
or Carp::confess('Invalid atom');
- ($name, $category, $version) = ($1, $2, $3);
+ ($category, $name, $version) = ($1, $2, $3);
} elsif (defined $args{ebuild}) {
my $ebuild = $args{ebuild};
- $ebuild =~ m{/([\w-]+)/([\w-]+)-v?($version_rx)\.ebuild$}
+ $ebuild =~ m{/([\w-]+)/([\w-]+)/\2-v?($version_rx)\.ebuild$}
or Carp::confess('Invalid ebuild');
- ($name, $category, $version) = ($1, $2, $3);
+ ($category, $name, $version) = ($1, $2, $3);
} else {
Carp::confess('Not enough information for building an atom object');
}
}
}
+ Carp::confess('Minimum atoms require a valid version') if not defined $version
+ and $args{minimum};
+
bless {
category => $category,
name => $name,
- version => $name,
+ version => $version,
+ minimum => $args{minimum},
+ ebuild => $args{ebuild},
}, $class;
}
BEGIN {
- eval "sub $_ { \$_[0]->{$_} }" for qw/category name version/;
+ eval "sub $_ { \$_[0]->{$_} }" for qw/category name version minimum ebuild/;
}
sub cmp {
sub as_string {
my ($a) = @_;
- $a->category . '/' . $a->name . '-' . $a->version;
+ my $atom = $a->category . '/' . $a->name;
+
+ my $version = $a->version;
+ if (defined $version) {
+ $atom = "=$atom-$version";
+ $atom = ">$atom" if $a->minimum;
+ }
+
+ return $atom;
+}
+
+sub fold {
+ shift unless length ref $_[0];
+
+ my %seen;
+ for my $atom (@_) {
+ my ($category, $name, $version) = map $atom->$_, qw/category name version/;
+ my $key = join '/', $category, $name;
+ my $cur = $seen{$key};
+
+ unless (defined $cur) {
+ $seen{$key} = $atom;
+ next;
+ }
+
+ next unless defined $version;
+
+ if (not defined $cur->version) {
+ $seen{$key} = $atom;
+ next;
+ }
+
+ if ($atom->minimum) {
+ if ($cur->minimum) {
+ $seen{$key} = $atom < $cur ? $cur : $atom;
+ } else {
+ Carp::confess('Version mismatch') if $atom > $cur;
+ }
+ } elsif ($cur->minimum) {
+ Carp::confess('Version mismatch') if $cur > $atom;
+ }
+ }
+
+ return values %seen;
}
1;