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package Pod::PseudoPod::Index; |
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use strict; |
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use Carp (); |
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use base qw( Pod::PseudoPod ); |
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use vars qw( $VERSION ); |
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$VERSION = '0.18'; |
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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sub new { |
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my $self = shift; |
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my $index = shift; |
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my $new = $self->SUPER::new(@_); |
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$new->{'output_fh'} ||= *STDOUT{IO}; |
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$new->accept_targets_as_text( qw(author blockquote comment caution |
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editor epigraph example figure important note production |
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programlisting screen sidebar table tip warning) ); |
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$new->nix_Z_codes(1); |
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$new->{'index'} = $index || {}; |
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$new->{'scratch'} = ''; |
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$new->{'Indent'} = 0; |
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$new->{'Indentstring'} = ' '; |
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return $new; |
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} |
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#~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ |
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sub start_X { $_[0]{'X'} = 1; } |
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sub end_X { |
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my $self = shift; |
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my $text = $self->{'scratch'}; |
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$self->{'scratch'} = ''; |
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my $cross_ref = $self->{'index_file'} || $self->set_filename; |
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&_build_index($self->{'index'},$cross_ref,split(';', $text)); |
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$self->{'X'} = 0; |
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} |
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sub _build_index { |
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my ($node,$cross_ref,@elems) = @_; |
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foreach my $entry (@elems,undef) { |
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if (defined $entry) { |
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$node->{$entry} = {} unless (defined $node->{$entry}); |
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$node = $node->{$entry}; |
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} else { |
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$node->{'page'} = [] unless (defined $node->{'page'}); |
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push @{$node->{'page'}}, $cross_ref; |
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} |
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} |
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} |
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sub handle_text { $_[0]{'scratch'} .= $_[1] if $_[0]{'X'}; } |
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sub get_index { return $_[0]{'index'} } |
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sub output_text { |
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my $self = shift; |
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$self->_print_index($self->{'index'},''); |
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print {$self->{'output_fh'}} $self->{'scratch'}; |
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} |
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# recursively print out index tree structure |
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sub _print_index { |
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my ($self,$node,$indent) = @_; |
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foreach my $key (sort {lc($a) cmp lc($b)} keys %{$node}) { |
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if ($key eq 'page') { |
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$self->{'scratch'} .= ', '. join(", ", @{$node->{'page'}}); |
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} else { |
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$self->{'scratch'} .= "\n". $indent. $key; |
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$self->_print_index($node->{$key}, $indent.' '); |
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} |
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} |
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} |
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sub set_filename { |
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my $self = shift; |
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my $file = $self->{'source_filename'} || ''; |
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$file =~ /(\w+)\.pod$/; |
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$self->{'index_file'} = $1 || "0"; |
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return $self->{'index_file'}; |
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} |
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1; |
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__END__ |
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=head1 NAME |
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Pod::PseudoPod::Index -- format PseudoPod index entries |
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=head1 SYNOPSIS |
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use Pod::PseudoPod::Index; |
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my $parser = Pod::PseudoPod::Index->new(); |
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$parser->parse_file('path/to/file1.pod'); |
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$parser->parse_file('path/to/file2.pod'); |
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$parser->output_text; |
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=head1 DESCRIPTION |
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This class is a formatter that extracts index items from PseudoPod files |
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and renders them as plain text or html. |
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This is a subclass of L<Pod::PseudoPod> and inherits all its methods. |
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112
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=head1 SEE ALSO |
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L<Pod::PseudoPod> |
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=head1 COPYRIGHT |
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Copyright (c) 2004 Allison Randal. All rights reserved. |
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This library is free software; you can redistribute it and/or modify |
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it under the same terms as Perl itself. The full text of the license |
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can be found in the LICENSE file included with this module. |
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This program is distributed in the hope that it will be useful, but |
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without any warranty; without even the implied warranty of |
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merchantability or fitness for a particular purpose. |
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=head1 AUTHOR |
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Allison Randal <allison@perl.org> |
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=cut |
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