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blib* | ||
Makefile | ||
Makefile.old | ||
Build | ||
_build* | ||
pm_to_blib* | ||
*.tar.gz | ||
.lwpcookies | ||
Pod-Elemental-Transformer-List-Converter-* | ||
cover_db | ||
*.old | ||
inc | ||
.*.swp | ||
META.yml | ||
*.bak | ||
MYMETA.* | ||
.build/ | ||
releases/ |
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Revision history for Pod-Elemental-Transformer-List-Converter | ||
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{{$NEXT}} | ||
- initial release |
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name = Pod-Elemental-Transformer-List-Converter | ||
author = Chris Weyl <cweyl@alumni.drew.edu> | ||
license = LGPL_2_1 | ||
copyright_holder = Chris Weyl | ||
copyright_year = 2012 | ||
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[@RSRCHBOY] |
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package Pod::Elemental::Transformer::List::Converter; | ||
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# ABSTRACT: Convert a list to... something else | ||
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use Moose; | ||
use namespace::autoclean; | ||
use Moose::Autobox; | ||
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use Pod::Elemental; | ||
use Pod::Elemental::Transformer 0.102361; | ||
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with 'Pod::Elemental::Transformer'; | ||
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# debugging... | ||
#use Smart::Comments; | ||
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=attr command | ||
The command we change C<=item> elements to; defaults to C<head2>. | ||
=method command | ||
Accessor to the command attribute. | ||
=cut | ||
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has command => (is => 'rw', isa => 'Str', default => 'head2'); | ||
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=method transform_node($node) | ||
Takes a node, and replaces any C<=item>'s with our target command (by default, | ||
C<=head2>). We also drop any command elements found for C<=over> and | ||
C<=back>. | ||
=cut | ||
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sub transform_node { | ||
my ($self, $node) = @_; | ||
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my %drop = map { $_ => 1 } qw{ over back }; | ||
my @elements; | ||
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### get children, and loop over them... | ||
ELEMENT_LOOP: for my $element ($node->children->flatten) { | ||
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do { push @elements, $element; next ELEMENT_LOOP } | ||
unless $element->does('Pod::Elemental::Command'); | ||
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if ($element->does('Pod::Elemental::Command')) { | ||
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my $command = $element->command; | ||
next ELEMENT_LOOP if $drop{$command}; | ||
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if ($command eq 'item') { | ||
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my $content = $element->content; | ||
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### $content | ||
if ($content =~ /^\*\s*$/) { | ||
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warn 'not handling plain * items yet'; | ||
next ELEMENT_LOOP; | ||
} | ||
elsif ($content =~ /^\*/) { | ||
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$content =~ s/^\*\s*//; | ||
} | ||
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chomp $content; | ||
$element->command($self->command); | ||
$element->content($content); | ||
} | ||
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push @elements, $element; | ||
} | ||
} | ||
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$node->children([ @elements ]); | ||
return; | ||
} | ||
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__PACKAGE__->meta->make_immutable; | ||
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1; | ||
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__END__ | ||
=head1 SYNOPSIS | ||
# somewhere inside your code... | ||
my $transformer = Pod::Elemental::Transformer::List::Converter->new; | ||
$transformer->transform_node($node); | ||
=head1 DESCRIPTION | ||
This L<Pod::Elemental::Transformer> takes a given node's children, and | ||
converts any list commands to another command, C<head2> by default. | ||
That is: | ||
=over 4 | ||
=item C<=item> becomes C<=head2>, and | ||
=item C<=over> and <=back> commands are dropped entirely. | ||
=back | ||
As you can imagine, it's important to be selective with the nodes you run | ||
through this transformer -- if you pass the entire document to it, it will | ||
obliterate any lists found. | ||
=head1 SEE ALSO | ||
L<Pod::Elemental::Transformer> | ||
L<Pod::Weaver::Section::Collect::FromOther> | ||
=cut |
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# The logic in this file is essentally stolen from a file of the same name in | ||
# Pod::Elemental::Transformer::List. Thanks! :) | ||
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package X; | ||
use strict; | ||
use warnings; | ||
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# HOW TO READ THESE TESTS: | ||
# All the list_id tests get a big string; it's two parts, divided by a ------ | ||
# line. The first half is what you write. The second part is what it's | ||
# transformed to before publishing. | ||
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use Test::More 'no_plan'; | ||
use Test::Differences; | ||
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use Pod::Elemental; | ||
use Pod::Elemental::Transformer::Pod5; | ||
use Pod::Elemental::Transformer::List::Converter; | ||
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my $pod5 = Pod::Elemental::Transformer::Pod5->new; | ||
my $list = Pod::Elemental::Transformer::List::Converter->new; | ||
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sub list_is { | ||
my ($comment, $string) = @_; | ||
my ($input, $want) = split /^-{10,}$/m, $string; | ||
$want =~ s/\A\n//; # stupid | ||
$input = "=pod\n\n$input"; | ||
$want = "=pod\n\n$want\n=cut\n"; | ||
my $doc = Pod::Elemental->read_string($input); | ||
$pod5->transform_node($doc); | ||
$list->transform_node($doc); | ||
eq_or_diff($doc->as_pod_string, $want, $comment); | ||
} | ||
list_is simple_list => <<'END_POD'; | ||
=over 4 | ||
=item foo | ||
=item bar | ||
=item baz | ||
=back | ||
-------------------------------------- | ||
=head2 foo | ||
=head2 bar | ||
=head2 baz | ||
END_POD | ||
list_is bullet => <<'END_POD'; | ||
=over 4 | ||
=item * foo | ||
=item * bar | ||
=item * baz | ||
=back | ||
-------------------------------------- | ||
=head2 foo | ||
=head2 bar | ||
=head2 baz | ||
END_POD | ||
list_is bullet_and_following_para => <<'END_POD'; | ||
=over 4 | ||
=item * foo | ||
Hi there! | ||
=item * bar | ||
Bip! | ||
=item * baz | ||
=back | ||
-------------------------------------- | ||
=head2 foo | ||
Hi there! | ||
=head2 bar | ||
Bip! | ||
=head2 baz | ||
END_POD | ||
#my $list = Pod::Elemental::Transformer::List::Converter->new->; | ||
$list->command('head3'); | ||
list_is simple_list_to_head3_not_head2 => <<'END_POD'; | ||
=over 4 | ||
=item foo | ||
=item bar | ||
=item baz | ||
=back | ||
-------------------------------------- | ||
=head3 foo | ||
=head3 bar | ||
=head3 baz | ||
END_POD |