File Coverage

blib/lib/capitalization.pm

Criterion	Covered	Total	%
statement	35	35	100.0
branch	4	6	66.6
condition			n/a
subroutine	7	7	100.0
pod	0	2	0.0
total	46	50	92.0

package capitalization;

use strict;
use vars qw($VERSION);
$VERSION = 0.03;

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;
    $method =~ tr/A-Z/a-z/;
    return $method;
}

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

1;
__END__