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		$file = "$self->{path}/$subpath.pm";
		my $pkg = "$self->{name}::$subpath";
		$pkg =~ s!/!::!g;

		# If we have a mixed-case package name, assume case has been preserved
		# correctly.  Otherwise, root through the file to locate the case-preserved
		# version of the package name.
		if ( $subpath eq lc($subpath) || $subpath eq uc($subpath) ) {
			my $content = Module::Install::_read($subpath . '.pm');
			my $in_pod  = 0;
			foreach ( split //, $content ) {
				$in_pod = 1 if /^=\w/;
				$in_pod = 0 if /^=cut/;
				next if ($in_pod || /^=cut/);  # skip pod text
				next if /^\s*#/;               # and comments
				if ( m/^\s*package\s+($pkg)\s*;/i ) {
					$pkg = $1;
					last;
				}
			}
		}

		push @found, [ $file, $pkg ];
	}, $path ) if -d $path;

	@found;
}





#####################################################################
# Utility Functions

sub _caller {
	my $depth = 0;
	my $call  = caller($depth);
	while ( $call eq __PACKAGE__ ) {
		$depth++;
		$call = caller($depth);
	}
	return $call;
}

sub _read {
	local *FH;
	open FH, "< $_[0]" or die "open($_[0]): $!";
	my $str = do { local $/; <FH> };
	close FH or die "close($_[0]): $!";
	return $str;
}

sub _write {
	local *FH;
	open FH, "> $_[0]" or die "open($_[0]): $!";
	foreach ( 1 .. $#_ ) { print FH $_[$_] or die "print($_[0]): $!" }
	close FH or die "close($_[0]): $!";
}

# _version is for processing module versions (eg, 1.03_05) not
# Perl versions (eg, 5.8.1).

sub _version ($) {
	my $s = shift || 0;
	   $s =~ s/^(\d+)\.?//;
	my $l = $1 || 0;
	my @v = map { $_ . '0' x (3 - length $_) } $s =~ /(\d{1,3})\D?/g;
	   $l = $l . '.' . join '', @v if @v;
	return $l + 0;
}

# Cloned from Params::Util::_CLASS
sub _CLASS ($) {
	(
		defined $_[0]
		and
		! ref $_[0]
		and
		$_[0] =~ m/^[^\W\d]\w*(?:::\w+)*$/s
	) ? $_[0] : undef;
}

1;

# Copyright 2008 Adam Kennedy.