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inc/Module/Install/Metadata.pm  view on Meta::CPAN

    # has an accompanying .pod, use that instead
    my $pod = $file;
    if ( $pod =~ s/\.pm$/.pod/i and -e $pod ) {
        $file = $pod;
    }

    $self->author_from($file)   unless $self->author;
    $self->license_from($file)  unless $self->license;
    $self->abstract_from($file) unless $self->abstract;
}

sub provides {
    my $self     = shift;
    my $provides = ( $self->{values}{provides} ||= {} );
    %$provides = (%$provides, @_) if @_;
    return $provides;
}

sub auto_provides {
    my $self = shift;
    return $self unless $self->is_admin;

    unless (-e 'MANIFEST') {
        warn "Cannot deduce auto_provides without a MANIFEST, skipping\n";
        return $self;
    }

    # Avoid spurious warnings as we are not checking manifest here.

    local $SIG{__WARN__} = sub {1};
    require ExtUtils::Manifest;
    local *ExtUtils::Manifest::manicheck = sub { return };

    require Module::Build;
    my $build = Module::Build->new(
        dist_name    => $self->name,
        dist_version => $self->version,
        license      => $self->license,
    );
    $self->provides(%{ $build->find_dist_packages || {} });
}

sub feature {
    my $self     = shift;
    my $name     = shift;
    my $features = ( $self->{values}{features} ||= [] );

    my $mods;

    if ( @_ == 1 and ref( $_[0] ) ) {
        # The user used ->feature like ->features by passing in the second
        # argument as a reference.  Accomodate for that.
        $mods = $_[0];
    } else {
        $mods = \@_;
    }

    my $count = 0;
    push @$features, (
        $name => [
            map {
                ref($_) ? ( ref($_) eq 'HASH' ) ? %$_
                                                : @$_
                        : $_
            } @$mods
        ]
    );

    return @$features;
}

sub features {
    my $self = shift;
    while ( my ( $name, $mods ) = splice( @_, 0, 2 ) ) {
        $self->feature( $name, @$mods );
    }
    return $self->{values}->{features}
    	? @{ $self->{values}->{features} }
    	: ();
}

sub no_index {
    my $self = shift;
    my $type = shift;
    push @{ $self->{values}{no_index}{$type} }, @_ if $type;
    return $self->{values}{no_index};
}

sub read {
    my $self = shift;
    $self->include_deps( 'YAML', 0 );

    require YAML;
    my $data = YAML::LoadFile('META.yml');

    # Call methods explicitly in case user has already set some values.
    while ( my ( $key, $value ) = each %$data ) {
        next unless $self->can($key);
        if ( ref $value eq 'HASH' ) {
            while ( my ( $module, $version ) = each %$value ) {
                $self->can($key)->($self, $module => $version );
            }
        }
        else {
            $self->can($key)->($self, $value);
        }
    }
    return $self;
}

sub write {
    my $self = shift;
    return $self unless $self->is_admin;
    $self->admin->write_meta;
    return $self;
}

sub version_from {
    my ( $self, $file ) = @_;
    require ExtUtils::MM_Unix;
    $self->version( ExtUtils::MM_Unix->parse_version($file) );