package capitalization;

use strict;
use vars qw($VERSION);
$VERSION = 0.01;

use Devel::Symdump;

my %done;

sub unimport {
    my($class, @mods) = @_;
    for my $mod (@mods) {
    next if $done{$mod};

    my $file = mod2file($mod);
    require $file unless $INC{$file};

    my $dump = Devel::Symdump->new($mod);
    for my $meth (map { s/^\Q$mod\E:://; $_ } $dump->functions) {
        my $new = nocap($meth);
        if ($new ne $meth) {
        no strict 'refs';
        *{"$mod\::$new"} = \&{"$mod\::$meth"};
        }
    }
    $done{$mod} = 1;
    }
}

sub nocap {
    my $method = shift;
    $method =~ s/(?<=[a-z])([A-Z]+)/"_" . lc($1)/eg;
    lcfirst $method;
}

sub mod2file {
    my $mod = shift;
    $mod =~ s!::!/!g;
    return "$mod.pm";
}

1;
__END__

=head1 NAME

capitalization - no capitalization on method names

=head1 SYNOPSIS

  use XML::DOM;
  no capitalization 'XML::DOM';

  my $parser = XML::DOM::Parser->new;

  # no capitalization ..
  my $nodes = $parser->get_elements_by_tag_name("Foo");

  # this can be OK
  my $nodes = $parser->getElementsByTagName("Foo");


=head1 DESCRIPTION

capitalization.pm allows you to use familiar style on method naming.

=head1 AUTHOR

Tatsuhiko Miyagawa E<lt>miyagawa@bulknews.netE<gt>

This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.

=head1 SEE ALSO

L<Symbol::Approx::Sub>

=cut

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