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package Pod::PseudoPod::DOM::TableOfContents; |
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# ABSTRACT: table of contents for a PPDOM Corpus |
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use strict; |
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use warnings; |
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use Moose; |
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has 'contents', |
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is => 'ro', |
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default => sub { Pod::PseudoPod::DOM::TableOfContents::TopContents->new }; |
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sub add_document |
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{ |
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my ($self, $document) = @_; |
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my $headings = $document->extract_headings( max_depth => 5 ); |
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my @stack = ($self->contents); |
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my $current_level = 0; |
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my $class = 'Pod::PseudoPod::DOM::TableOfContents::Entry'; |
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my $last_entry; |
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for my $heading (@$headings) |
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{ |
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my $level = $heading->level; |
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my $entry = $class->new( heading => $heading ); |
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if ($level == $current_level) |
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{ |
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$stack[-1]->add( $entry ); |
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} |
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elsif ($level > $current_level) |
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{ |
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$last_entry->add( $entry ); |
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push @stack, $last_entry; |
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} |
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else |
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{ |
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my $diff = $current_level - $level; |
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$last_entry = pop @stack for 1 .. $diff; |
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$stack[-1]->add( $entry ); |
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} |
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$last_entry = $entry; |
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$current_level = $level; |
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} |
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} |
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sub emit_toc |
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{ |
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my $self = shift; |
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return "<ul>\n" . $self->contents->emit . "</ul>\n"; |
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} |
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__PACKAGE__->meta->make_immutable; |
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package Pod::PseudoPod::DOM::TableOfContents::TopContents; |
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8167
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use strict; |
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use warnings; |
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use Moose; |
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has 'kids', is => 'ro', default => sub { [] }; |
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sub add |
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{ |
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my ($self, $entry) = @_; |
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push @{ $self->kids }, $entry; |
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} |
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sub emit |
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{ |
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my $self = shift; |
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my $kids = $self->kids; |
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return '' unless @$kids; |
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my $contents = ''; |
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for my $kid (@$kids) |
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{ |
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$contents .= '<h2>' . $kid->heading->get_heading_link . "</h2>\n" |
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. $kid->emit_kids; |
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} |
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return $contents; |
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} |
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__PACKAGE__->meta->make_immutable; |
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package Pod::PseudoPod::DOM::TableOfContents::Entry; |
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7190
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use strict; |
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use warnings; |
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use Moose; |
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has 'kids', is => 'ro', default => sub { [] }; |
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has 'heading', is => 'ro', required => 1; |
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sub add |
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{ |
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my ($self, $entry) = @_; |
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push @{ $self->kids }, $entry; |
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} |
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sub emit_kids |
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{ |
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my $self = shift; |
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my $kids = $self->kids; |
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return '' unless @$kids; |
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my $contents = "<ul>\n"; |
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for my $kid (@$kids) |
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{ |
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$contents .= $kid->emit; |
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} |
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return $contents . "\n</ul>\n"; |
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} |
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sub emit |
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{ |
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my $self = shift; |
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my $kids = $self->kids; |
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return "<li>" . $self->heading->get_heading_link |
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. $self->emit_kids . "</li>\n"; |
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} |
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__PACKAGE__->meta->make_immutable; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Pod::PseudoPod::DOM::TableOfContents - table of contents for a PPDOM Corpus |
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=head1 VERSION |
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version 1.20210620.2004 |
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=head1 AUTHOR |
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chromatic <chromatic@wgz.org> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2021 by chromatic. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |