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########################################### |
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# File::Comments::Plugin::Perl |
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# 2005, Mike Schilli |
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########################################### |
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########################################### |
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package File::Comments::Plugin::Perl; |
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########################################### |
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10101
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use strict; |
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use warnings; |
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use File::Comments::Plugin; |
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use Log::Log4perl qw(:easy); |
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6833
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use Sysadm::Install qw(:all); |
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our $VERSION = "0.01"; |
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our @ISA = qw(File::Comments::Plugin::Makefile); |
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our $USE_PPI = 1; |
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########################################### |
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sub applicable { |
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########################################### |
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my($self, $target, $cold_call) = @_; |
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100
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return 1 unless $cold_call; |
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100
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return 1 if $target->{content} =~ /^#!.*perl\b/; |
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2
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return 0; |
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} |
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########################################### |
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sub init { |
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########################################### |
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my($self) = @_; |
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$self->register_suffix(".pl"); |
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$self->register_suffix(".pm"); |
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$self->register_suffix(".PM"); |
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$self->register_suffix(".PL"); |
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} |
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########################################### |
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sub type { |
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########################################### |
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0
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my($self, $target) = @_; |
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0
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return "perl"; |
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} |
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##################################################### |
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sub comments { |
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##################################################### |
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my($self, $target) = @_; |
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my $data = $target->{content}; |
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my @comments; |
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100
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if($USE_PPI) { |
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1253
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require PPI; |
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3
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162562
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my($end) = ($data =~ /^__END__(.*)/ms); |
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@comments = $self->comments_parse_ppi($target, $data); |
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3
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100
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push @comments, $end if defined $end; |
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} else { |
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1
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require Pod::Parser; |
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@comments = @{$self->comments_parse_simple($target, $data)}; |
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} |
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return \@comments; |
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} |
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##################################################### |
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sub stripped { |
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##################################################### |
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1
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my($self, $target) = @_; |
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1
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my $data = $target->{content}; |
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1
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$data =~ s/^__END__(.*)//ms; |
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1
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if($USE_PPI) { |
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1
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require PPI; |
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1
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my $doc = PPI::Document->new(\$data); |
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84
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1
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2419
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if($doc) { |
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# Remove all that nasty documentation |
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$doc->prune("PPI::Token::Pod"); |
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1
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932
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$doc->prune("PPI::Token::Comment"); |
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1071
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my $stripped = $doc->serialize(); |
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206
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$doc->DESTROY; |
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return $stripped; |
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} else { |
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# Parsing perl script failed. Just return everything. |
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0
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0
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WARN "Parsing $target->{path} failed"; |
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0
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0
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$doc->DESTROY; |
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0
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return $data; |
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} |
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} |
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99
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0
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LOGDIE __PACKAGE__, "->stripped() only supported with PPI"; |
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} |
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102
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##################################################### |
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sub comments_parse_ppi { |
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##################################################### |
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3
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3
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0
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my($self, $target, $src) = @_; |
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107
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3
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34
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my $doc = PPI::Document->new(\$src); #bar |
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3
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8559
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my @comments = (); |
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110
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3
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50
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14
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if(!defined $doc) { |
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# Parsing perl script failed. Just return everything. |
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0
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0
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WARN "Parsing $target->{path} failed"; |
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114
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# Needs to be destroyed explicitely to avaoid memleaks |
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0
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0
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$doc->DESTROY; |
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0
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0
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return $src; |
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} |
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119
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$doc->find(sub { |
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30
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100
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100
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349
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return if ref($_[1]) ne "PPI::Token::Comment" and |
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ref($_[1]) ne "PPI::Token::Pod"; |
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my $line = $_[1]->content(); |
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# Delete leading '#' if it's a comment |
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100
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$line = substr($line, 1) if ref($_[1]) eq "PPI::Token::Comment"; |
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21
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chomp $line; |
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34
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push @comments, $line; |
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3
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30
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}); |
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129
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# Needs to be destroyed explicitely to avaoid memleaks |
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3
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46
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$doc->DESTROY; |
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3
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478
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return @comments; |
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} |
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134
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##################################################### |
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sub comments_parse_simple { |
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##################################################### |
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1
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1
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0
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2
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my($self, $target, $src) = @_; |
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139
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1
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14
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my $comments = $self->extract_hashed_comments($target); |
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141
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1
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8
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my $pod = PodExtractor->new(); |
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1
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301
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$pod->parse_from_file($target->{path}); |
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2
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push @$comments, @{$pod->pod_chunks()}; |
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4
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144
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145
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1
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39
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return $comments; |
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} |
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148
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########################################### |
149
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package PodExtractor; |
150
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9
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9
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11887
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use Log::Log4perl qw(:easy); |
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9
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20
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9
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55
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151
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our @ISA = qw(Pod::Parser); |
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########################################### |
153
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154
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########################################### |
155
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sub new { |
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########################################### |
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1
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1
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3
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my($class) = @_; |
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159
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1
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3
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my $self = { chunks => [] }; |
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161
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bless $self, $class; |
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1
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return $self; |
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} |
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166
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########################################### |
167
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sub textblock { |
168
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########################################### |
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1
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1
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2
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my ($self, $paragraph, $line_num) = @_; |
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171
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1
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2
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push @{$self->{chunks}}, $paragraph; |
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172
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} |
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174
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1
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1
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44
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sub command {} |
175
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0
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0
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0
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sub verbatim {} |
176
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0
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0
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sub interior_sequence {} |
177
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178
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########################################### |
179
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sub pod_chunks { |
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########################################### |
181
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1
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1
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2
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my ($self) = @_; |
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183
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1
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3
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return $self->{chunks}; |
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} |
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186
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1; |
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188
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__END__ |