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package EPublisher::Utils::PPI; |
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3
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# ABSTRACT: PPI utility for EPublisher |
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5
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15
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15
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567
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use strict; |
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32
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15
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407
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6
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15
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15
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73
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use warnings; |
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15
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27
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15
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336
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7
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8
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15
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15
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68
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use Exporter; |
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30
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15
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503
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9
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15
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15
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7746
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use PPI; |
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1787154
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15
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5905
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our @ISA = qw(Exporter); |
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our @EXPORT_OK = qw( |
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extract_package |
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extract_pod |
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extract_pod_from_code |
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); |
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19
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our $VERSION = 0.5; |
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21
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sub extract_package { |
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6
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6
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1
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my ($file, $config) = @_; |
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24
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6
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50
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33
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142
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return if !$file || ! -f $file; |
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26
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6
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my $content; |
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28
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6
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50
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216
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if ( open my $fh, '<', $file ) { |
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6
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50
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if ( $config->{encoding} ) { |
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0
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0
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binmode $fh, ':encoding(' . $config->{encoding} . ')'; |
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} |
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6
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27
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local $/; |
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6
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132
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$content = <$fh>; |
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} |
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6
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50
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return if !$content; |
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40
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6
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my $parser = PPI::Document->new( \$content ); |
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42
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6
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50
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10034
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return if !$parser; |
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6
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my $stmt = $parser->find_first('PPI::Statement::Package'); |
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46
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6
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100
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1423
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return if !$stmt; |
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48
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4
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my $package = $stmt->namespace; |
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4
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127
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return $package; |
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} |
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53
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sub extract_pod { |
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83
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83
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1
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324
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my ($file, $config) = @_; |
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56
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83
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50
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33
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1917
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return if !$file || ! -f $file; |
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58
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83
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238
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my $content; |
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60
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83
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50
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3455
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if ( open my $fh, '<', $file ) { |
61
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62
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83
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50
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377
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if ( $config->{encoding} ) { |
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0
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0
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binmode $fh, ':encoding(' . $config->{encoding} . ')'; |
64
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} |
65
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66
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83
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428
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local $/; |
67
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83
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3567
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$content = <$fh>; |
68
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} |
69
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70
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83
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337
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return extract_pod_from_code( $content ); |
71
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} |
72
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73
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sub extract_pod_from_code { |
74
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83
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83
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1
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204
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my ($code) = @_; |
75
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76
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83
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50
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237
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return if !$code; |
77
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78
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83
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668
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my $parser = PPI::Document->new( \$code ); |
79
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80
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83
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50
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2934001
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return if !$parser; |
81
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82
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my $pod_nodes = $parser->find( |
83
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sub { |
84
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26455
|
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26455
|
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273616
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$_[1]->isa( 'PPI::Token::Pod' ); |
85
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}, |
86
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83
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685
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); |
87
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88
|
83
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100
|
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1231
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my $merged = PPI::Token::Pod->merge( @{$pod_nodes || []} ); |
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83
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538
|
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89
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90
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83
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100
|
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8980
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return '' if !$merged; |
91
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53
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159
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return $merged->content; |
92
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} |
93
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94
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1; |
95
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96
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__END__ |