1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
|
package MDOM::Util;
use strict;
use warnings;
use base 'Exporter';
our @EXPORT_OK = qw(
trim_tokens
);
sub trim_tokens ($) {
my $tokens = shift;
return if !@$tokens;
if ($tokens->[0] =~ /^\s+$/) {
shift @$tokens;
}
return if !@$tokens;
if ($tokens->[-1] =~ /^\s+$/) {
pop @$tokens;
}
}
1;
__END__
=encoding utf-8
=head1 NAME
MDOM::Util - Utilities methods for Makefile::DOM
=head1 DESCRIPTION
Includes auxiliary methods.
=head2 trim_tokens
Remove space tokens from the beginning or the end of a list reference.
=head1 AUTHOR
Yichun "agentzh" Zhang (章亦春) E<lt>agentzh@gmail.comE<gt>
=head1 COPYRIGHT
Copyright 2006-2014 by Yichun "agentzh" Zhang (章亦春).
This library is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.
=head1 SEE ALSO
L<MDOM::Document>, L<MDOM::Document::Gmake>, L<PPI>, L<Makefile::Parser::GmakeDB>, L<makesimple>.
|
