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
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
|
require 5;
package Pod::Simple::LinkSection;
# Based somewhat dimly on Array::Autojoin
use vars qw($VERSION );
$VERSION = '3.35';
use strict;
use Pod::Simple::BlackBox;
use vars qw($VERSION );
$VERSION = '3.35';
use overload( # So it'll stringify nice
'""' => \&Pod::Simple::BlackBox::stringify_lol,
'bool' => \&Pod::Simple::BlackBox::stringify_lol,
# '.=' => \&tack_on, # grudgingly support
'fallback' => 1, # turn on cleverness
);
sub tack_on {
$_[0] = ['', {}, "$_[0]" ];
return $_[0][2] .= $_[1];
}
sub as_string {
goto &Pod::Simple::BlackBox::stringify_lol;
}
sub stringify {
goto &Pod::Simple::BlackBox::stringify_lol;
}
sub new {
my $class = shift;
$class = ref($class) || $class;
my $new;
if(@_ == 1) {
if (!ref($_[0] || '')) { # most common case: one bare string
return bless ['', {}, $_[0] ], $class;
} elsif( ref($_[0] || '') eq 'ARRAY') {
$new = [ @{ $_[0] } ];
} else {
Carp::croak( "$class new() doesn't know to clone $new" );
}
} else { # misc stuff
$new = [ '', {}, @_ ];
}
# By now it's a treelet: [ 'foo', {}, ... ]
foreach my $x (@$new) {
if(ref($x || '') eq 'ARRAY') {
$x = $class->new($x); # recurse
} elsif(ref($x || '') eq 'HASH') {
$x = { %$x };
}
# otherwise leave it.
}
return bless $new, $class;
}
# Not much in this class is likely to be link-section specific --
# but it just so happens that link-sections are about the only treelets
# that are exposed to the user.
1;
__END__
# TODO: let it be an option whether a given subclass even wants little treelets?
__END__
=head1 NAME
Pod::Simple::LinkSection -- represent "section" attributes of L codes
=head1 SYNOPSIS
# a long story
=head1 DESCRIPTION
This class is not of interest to general users.
Pod::Simple uses this class for representing the value of the
"section" attribute of "L" start-element events. Most applications
can just use the normal stringification of objects of this class;
they stringify to just the text content of the section,
such as "foo" for
C<< LZ<><Stuff/foo> >>, and "bar" for
C<< LZ<><Stuff/bIZ<><ar>> >>.
However, anyone particularly interested in getting the full value of
the treelet, can just traverse the content of the treeleet
@$treelet_object. To wit:
% perl -MData::Dumper -e
"use base qw(Pod::Simple::Methody);
sub start_L { print Dumper($_[1]{'section'} ) }
__PACKAGE__->new->parse_string_document('=head1 L<Foo/bI<ar>baz>>')
"
Output:
$VAR1 = bless( [
'',
{},
'b',
bless( [
'I',
{},
'ar'
], 'Pod::Simple::LinkSection' ),
'baz'
], 'Pod::Simple::LinkSection' );
But stringify it and you get just the text content:
% perl -MData::Dumper -e
"use base qw(Pod::Simple::Methody);
sub start_L { print Dumper( '' . $_[1]{'section'} ) }
__PACKAGE__->new->parse_string_document('=head1 L<Foo/bI<ar>baz>>')
"
Output:
$VAR1 = 'barbaz';
=head1 SEE ALSO
L<Pod::Simple>
=head1 SUPPORT
Questions or discussion about POD and Pod::Simple should be sent to the
pod-people@perl.org mail list. Send an empty email to
pod-people-subscribe@perl.org to subscribe.
This module is managed in an open GitHub repository,
L<https://github.com/perl-pod/pod-simple/>. Feel free to fork and contribute, or
to clone L<git://github.com/perl-pod/pod-simple.git> and send patches!
Patches against Pod::Simple are welcome. Please send bug reports to
<bug-pod-simple@rt.cpan.org>.
=head1 COPYRIGHT AND DISCLAIMERS
Copyright (c) 2004 Sean M. Burke.
This library is free software; you can redistribute it and/or modify it
under the same terms as Perl itself.
This program is distributed in the hope that it will be useful, but
without any warranty; without even the implied warranty of
merchantability or fitness for a particular purpose.
=head1 AUTHOR
Pod::Simple was created by Sean M. Burke <sburke@cpan.org>.
But don't bother him, he's retired.
Pod::Simple is maintained by:
=over
=item * Allison Randal C<allison@perl.org>
=item * Hans Dieter Pearcey C<hdp@cpan.org>
=item * David E. Wheeler C<dwheeler@cpan.org>
=back
=cut
|
