0
  0   ˆl–Ãa¾”Êj"TÊnàAp©‹FÿÁ„eÆ€ß_‹uÐb&=LV[(ÁÀ ?÷     use 5.006;
use strict;
use warnings;
package Sub::Exporter;
{
  $Sub::Exporter::VERSION = '0.987';
}
# ABSTRACT: a sophisticated exporter for custom-built routines

use Carp ();
use Data::OptList 0.100 ();
use Params::Util 0.14 (); # _CODELIKE
use Sub::Install 0.92 ();


# Given a potential import name, this returns the group name -- if it's got a
# group prefix.
sub _group_name {
  my ($name) = @_;

  return if (index q{-:}, (substr $name, 0, 1)) == -1;
  return substr $name, 1;
}

# \@groups is a canonicalized opt list of exports and groups this returns
# another canonicalized opt list with groups replaced with relevant exports.
# \%seen is groups we've already expanded and can ignore.
# \%merge is merged options from the group we're descending through.
sub _expand_groups {
  my ($class, $config, $groups, $collection, $seen, $merge) = @_;
  $seen  ||= {};
  $merge ||= {};
  my @groups = @$groups;

  for my $i (reverse 0 .. $#groups) {
    if (my $group_name = _group_name($groups[$i][0])) {
      my $seen = { %$seen }; # faux-dynamic scoping

      splice @groups, $i, 1,
        _expand_group($class, $config, $groups[$i], $collection, $seen, $merge);
    } else {
      # there's nothing to munge in this export's args
      next unless my %merge = %$merge;

      # we have things to merge in; do so
      my $prefix = (delete $merge{-prefix}) || '';
      my $suffix = (delete $merge{-suffix}) || '';

      if (
        Params::Util::_CODELIKE($groups[$i][1]) ## no critic Private
        or
        Params::Util::_SCALAR0($groups[$i][1]) ## no critic Private
      ) {
        # this entry was build by a group generator
        $groups[$i][0] = $prefix . $groups[$i][0] . $suffix;
      } else {
        my $as
          = ref $groups[$i][1]{-as} ? $groups[$i][1]{-as}
          :     $groups[$i][1]{-as} ? $prefix . $groups[$i][1]{-as} . $suffix
          :                           $prefix . $groups[$i][0]      . $suffix;

        $groups[$i][1] = { %{ $groups[$i][1] }, %merge, -as => $as };
      }
    }
  }

  return \@groups;
}

# \@group is a name/value pair from an opt list.
sub _expand_group {
  my ($class, $config, $group, $collection, $seen, $merge) = @_;
  $merge ||= {};

  my ($group_name, $group_arg) = @$group;
  $group_name = _group_name($group_name);

  Carp::croak qq(group "$group_name" is not exported by the $class module)
    unless exists $config->{groups}{$group_name};

  return if $seen->{$group_name}++;

  if (ref $group_arg) {
    my $prefix = (delete $merge->{-prefix}||'') . ($group_arg->{-prefix}||'');
    my $suffix = ($group_arg->{-suffix}||'') . (delete $merge->{-suffix}||'');
    $merge = {
      %$merge,
      %$group_arg,
      ($prefix ? (-prefix => $prefix) : ()),
      ($suffix ? (-suffix => $suffix) : ()),
    };
  }

  my $exports = $config->{groups}{$group_name};

  if (
    Params::Util::_CODELIKE($exports) ## no critic Private
    or
    Params::Util::_SCALAR0($exports) ## no critic Private
  ) {
    # I'm not very happy with this code for hiding -prefix and -suffix, but
    # it's needed, and I'm not sure, offhand, how to make it better.
    # -- rjbs, 2006-12-05
    my $group_arg = $merge ? { %$merge } : {};
    delete $group_arg->{-prefix};
    delete $group_arg->{-suffix};

    my $group = Params::Util::_CODELIKE($exports) ## no critic Private
              ? $exports->($class, $group_name, $group_arg, $collection)
              : $class->$$exports($group_name, $group_arg, $collection);

    Carp::croak qq(group generator "$group_name" did not return a hashref)
      if ref $group ne 'HASH';

    my $stuff = [ map { [ $_ => $group->{$_} ] } keys %$group ];
    return @{
      _expand_groups($class, $config, $stuff, $collection, $seen, $merge)
    };
  } else {
    $exports
      = Data::OptList::mkopt($exports, "$group_name exports");

    return @{
      _expand_groups($class, $config, $exports, $collection, $seen, $merge)
    };
  }
}

sub _mk_collection_builder {
  my ($col, $etc) = @_;
  my ($config, $import_args, $