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package RDF::NS; |
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6
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200388
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use v5.10; |
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54
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3
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use strict; |
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122
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4
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use warnings; |
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288
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our $VERSION = '20181102'; |
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48
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use Scalar::Util qw(blessed reftype); |
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6
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325
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9
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6
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6
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3049
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use File::ShareDir; |
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152244
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6
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281
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use Carp; |
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315
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6
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6
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2375
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use RDF::SN; |
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15
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6
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13538
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12
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13
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our $AUTOLOAD; |
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our $FORMATS = qr/ttl|n(otation)?3|sparql|xmlns|txt|beacon|json/; |
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16
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our $DATE_REGEXP = qr/^([0-9]{4})-?([0-9][0-9])-?([0-9][0-9])$/; |
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18
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sub new { |
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28
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50
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28
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1
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521
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my $class = ref($_[0]) ? ref(shift) : shift; |
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28
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100
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115
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my $from = @_ % 2 ? shift : 1; |
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28
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66
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my %options = @_; |
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28
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100
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132
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my $at = $options{at} || 'any'; |
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28
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52
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my $warn = $options{'warn'}; |
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28
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50
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74
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$from = $options{from} if exists $options{from}; |
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28
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100
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66
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131
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$from = 'any' if !$from or $from eq 1; |
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27
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28
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100
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100
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129
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if ((ref($from) || '') eq 'HASH') { |
28
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1
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4
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my $self = bless $from, $class; |
29
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1
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4
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foreach my $prefix (keys %$self) { |
30
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2
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100
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8
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unless( $self->SET( $prefix => $self->{$prefix}, $warn ) ) { |
31
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1
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3
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delete $self->{$prefix}; |
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} |
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} |
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1
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5
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return $self; |
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} |
36
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37
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27
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100
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246
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if ( $from =~ $DATE_REGEXP ) { |
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100
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50
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38
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16
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78
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$at = "$1$2$3"; |
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16
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37
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$from = 'any'; |
40
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} elsif( $at =~ $DATE_REGEXP ) { |
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1
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6
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$at = "$1$2$3"; |
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} elsif ( $at !~ 'any' ) { |
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0
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0
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croak "RDF::NS expects 'any', '1' or a date as YYYY-MM-DD"; |
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} |
45
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46
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27
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67
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my $self = bless { }, $class; |
47
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27
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77
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my $fh = $self->DATA($from); |
48
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27
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23082
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foreach (<$fh>) { |
49
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37770
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47512
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chomp; |
50
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37770
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50
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62009
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next if /^#/; |
51
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37770
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94815
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my ($prefix, $namespace, $date) = split "\t", $_; |
52
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37770
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100
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75752
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next if ($namespace =~ m|^https?://example\.\w+?/|); |
53
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37676
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100
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66
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118544
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last if $date and $at ne 'any' and $date > $at; |
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100
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54
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55
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37659
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59280
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$self->SET( $prefix => $namespace, $warn ); |
56
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} |
57
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27
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4458
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close($fh); |
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59
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27
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357
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$self; |
60
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} |
61
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62
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sub DATA { # TODO: document |
63
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27
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27
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0
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70
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my ($self, $from) = @_; |
64
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27
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50
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50
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166
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$from = File::ShareDir::dist_file('RDF-NS', "prefix.cc" ) |
65
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if ($from // 'any') eq 'any'; |
66
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27
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50
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5618
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croak "prefix file or date not found: $from" |
67
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unless -f $from; |
68
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27
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50
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1292
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open (my $fh, '<', $from) or croak "failed to open $from"; |
69
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27
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116
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$fh; |
70
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} |
71
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72
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sub SET { |
73
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37661
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37661
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1
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60109
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my ($self, $prefix, $namespace, $warn) = @_; |
74
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75
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37661
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50
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101490
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if ( $prefix =~ /^(isa|can|new|uri)$/ ) { |
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100
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50
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76
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0
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0
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0
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carp "Cannot support prefix '$prefix'" if $warn; |
77
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} elsif ( $prefix =~ /^[a-z][a-z0-9]*$/ ) { |
78
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37660
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50
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91895
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if ( $namespace =~ /^[a-z][a-z0-9]*:[^"<>]*$/ ) { |
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0
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79
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37660
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75689
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$self->{$prefix} = $namespace; |
80
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37660
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66335
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return 1; |
81
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} elsif( $warn ) { |
82
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0
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0
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carp "Skipping invalid $prefix namespace $namespace"; |
83
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} |
84
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} elsif ( $warn ) { |
85
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0
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0
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carp "Skipping unusual prefix '$prefix'"; |
86
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} |
87
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88
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1
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4
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return; |
89
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} |
90
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91
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*LOAD = *new; |
92
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93
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sub COUNT { |
94
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9
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9
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0
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49
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scalar keys %{$_[0]}; |
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9
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75
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95
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} |
96
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97
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sub FORMAT { |
98
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13
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13
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0
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2076
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my $self = shift; |
99
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13
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100
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53
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my $format = shift || ""; |
100
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13
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50
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32
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$format = 'TTL' if $format =~ /^n(otation)?3$/i; |
101
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13
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100
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80
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if (lc($format) =~ $FORMATS) { |
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50
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102
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1
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3
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$format = uc($format); |
103
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1
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7
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$self->$format( @_ ); |
104
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} elsif ($format eq "") { |
105
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12
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12
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72
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$self->MAP( sub { $self->{$_} } , @_ ); |
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12
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483
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106
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} |
107
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} |
108
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109
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sub PREFIX { |
110
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3
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3
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1
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15
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my ($self, $uri) = @_; |
111
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3
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1071
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foreach my $prefix ( sort keys %$self ) { |
112
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1304
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100
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2053
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return $prefix if $uri eq $self->{$prefix}; |
113
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} |
114
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1
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28
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return; |
115
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} |
116
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117
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sub PREFIXES { |
118
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1
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1
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1
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4
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my ($self, $uri) = @_; |
119
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1
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4
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my @prefixes; |
120
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1
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6
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while ( my ($prefix, $namespace) = each %$self ) { |
121
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696
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100
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1659
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push @prefixes, $prefix if $uri eq $namespace; |
122
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} |
123
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1
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13
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return(sort(@prefixes)); |
124
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} |
125
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126
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sub REVERSE { |
127
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21
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21
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1
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6030
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RDF::SN->new($_[0]); |
128
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} |
129
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130
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sub TTL { |
131
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5
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5
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1
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2145
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my $self = shift; |
132
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5
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9
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31
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$self->MAP( sub { "\@prefix $_: <".$self->{$_}."> ." } , @_ ); |
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9
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39
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133
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} |
134
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135
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sub SPARQL { |
136
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5
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5
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1
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2020
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my $self = shift; |
137
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5
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9
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33
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$self->MAP( sub { "PREFIX $_: <".$self->{$_}.">" } , @_ ); |
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9
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40
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138
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} |
139
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140
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sub XMLNS { |
141
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6
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6
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1
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1663
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my $self = shift; |
142
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6
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10
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36
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$self->MAP( sub { "xmlns:$_=\"".$self->{$_}."\"" } , @_ ); |
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10
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54
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143
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} |
144
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145
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sub TXT { |
146
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4
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4
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1
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2084
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my $self = shift; |
147
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4
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8
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23
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$self->MAP( sub { "$_\t".$self->{$_} } , @_ ); |
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8
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30
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148
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} |
149
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150
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sub JSON { |
151
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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 $self = shift; |
152
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1
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2
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9
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$self->MAP( sub { "\"$_\": \"".$self->{$_}."\"" } , @_ ); |
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2
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296
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153
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} |
154
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155
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sub BEACON { |
156
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4
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4
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1
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2103
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my $self = shift; |
157
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4
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8
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23
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$self->MAP( sub { "#PREFIX: ".$self->{$_} } , @_ ); |
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8
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27
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158
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} |
159
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160
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sub SELECT { |
161
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2
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2
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1
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1072
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my $self = shift; |
162
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2
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3
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12
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$self->MAP( sub { $_ => $self->{$_} } , @_ ); |
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3
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15
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163
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} |
164
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165
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# functional programming rulez! |
166
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sub MAP { |
167
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39
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39
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1
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66
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my $self = shift; |
168
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39
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55
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my $code = shift; |
169
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39
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50
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108
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my @ns = @_ ? (grep { $self->{$_} } map { split /[|, ]+/ } @_) |
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75
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199
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52
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242
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170
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: keys %$self; |
171
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39
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100
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104
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if (wantarray) { |
172
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34
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1115
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return map { $code->() } sort @ns; |
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56
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90
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173
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} else { |
174
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5
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11
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local $_ = $ns[0]; |
175
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5
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16
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return $code->(); |
176
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} |
177
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} |
178
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179
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sub GET { |
180
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21
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21
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1
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130
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$_[1]; |
181
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} |
182
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183
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5
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0
|
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sub BLANK { |
184
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|
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} |
185
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186
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|
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*URI = *uri; |
187
|
|
|
|
|
|
|
|
188
|
|
|
|
|
|
|
sub uri { |
189
|
8
|
|
|
8
|
1
|
1698
|
my $self = shift; |
190
|
8
|
100
|
|
|
|
39
|
return $1 if $_[0] =~ /^<([a-zA-Z][a-zA-Z+.-]*:.+)>$/; |
191
|
7
|
100
|
|
|
|
34
|
return $self->BLANK($_[0]) if $_[0] =~ /^_(:.*)?$/; |
192
|
4
|
50
|
|
|
|
35
|
return unless shift =~ /^([a-z][a-z0-9]*)?([:_]([^:]+))?$/; |
193
|
4
|
100
|
|
|
|
21
|
my $ns = $self->{ defined $1 ? $1 : '' }; |
194
|
4
|
50
|
|
|
|
15
|
return unless defined $ns; |
195
|
4
|
50
|
|
|
|
14
|
return $self->GET($ns) unless $3; |
196
|
4
|
|
|
|
|
20
|
return $self->GET($ns.$3); |
197
|
|
|
|
|
|
|
} |
198
|
|
|
|
|
|
|
|
199
|
|
|
|
|
|
|
sub AUTOLOAD { |
200
|
52
|
|
|
52
|
|
21827
|
my $self = shift; |
201
|
52
|
100
|
|
|
|
7571
|
return unless $AUTOLOAD =~ /^.*::([a-z][a-z0-9]*)?(_([^:]+)?)?$/; |
202
|
23
|
100
|
|
|
|
108
|
return $self->BLANK( defined $3 ? "_:$3" : '_' ) unless $1; |
|
|
100
|
|
|
|
|
|
203
|
21
|
50
|
|
|
|
74
|
my $ns = $self->{$1} or return; |
204
|
21
|
100
|
|
|
|
75
|
my $local = defined $3 ? $3 : shift; |
205
|
21
|
100
|
|
|
|
77
|
return $self->GET($ns) unless defined $local; |
206
|
9
|
|
|
|
|
39
|
return $self->GET($ns.$local); |
207
|
|
|
|
|
|
|
} |
208
|
|
|
|
|
|
|
|
209
|
|
|
|
|
|
|
sub UPDATE { |
210
|
0
|
|
|
0
|
0
|
|
my ($self, $file, $date) = @_; |
211
|
|
|
|
|
|
|
|
212
|
0
|
0
|
0
|
|
|
|
croak "RDF::NS expects a date as YYYY-MM-DD" |
213
|
|
|
|
|
|
|
unless $date and $date =~ $DATE_REGEXP; |
214
|
0
|
|
|
|
|
|
$date = "$1$2$3"; |
215
|
|
|
|
|
|
|
|
216
|
0
|
|
|
|
|
|
my $old = RDF::NS->new($file); |
217
|
0
|
|
|
|
|
|
my (@create,@update,@delete); |
218
|
|
|
|
|
|
|
|
219
|
0
|
0
|
|
|
|
|
open (my $fh, '>>', $file) or croak "failed to open $file"; |
220
|
0
|
|
|
|
|
|
my @lines; |
221
|
|
|
|
|
|
|
|
222
|
0
|
|
|
|
|
|
while( my ($prefix,$namespace) = each %$self ) { |
223
|
0
|
0
|
|
|
|
|
if (!exists $old->{$prefix}) { |
|
|
0
|
|
|
|
|
|
224
|
0
|
|
|
|
|
|
push @create, $prefix; |
225
|
|
|
|
|
|
|
} elsif ( $old->{$prefix} ne $namespace ) { |
226
|
0
|
|
|
|
|
|
push @update, $prefix; |
227
|
|
|
|
|
|
|
} else { |
228
|
0
|
|
|
|
|
|
next; |
229
|
|
|
|
|
|
|
} |
230
|
0
|
|
|
|
|
|
push @lines, "$prefix\t$namespace"; |
231
|
|
|
|
|
|
|
} |
232
|
0
|
|
|
|
|
|
while( my ($prefix,$namespace) = each %$old ) { |
233
|
0
|
0
|
|
|
|
|
if (!exists $self->{$prefix}) { |
234
|
0
|
|
|
|
|
|
push @delete, $prefix; |
235
|
|
|
|
|
|
|
} |
236
|
|
|
|
|
|
|
} |
237
|
|
|
|
|
|
|
|
238
|
0
|
|
|
|
|
|
print $fh "$_\t$date\n" for sort @lines; |
239
|
0
|
|
|
|
|
|
close $fh; |
240
|
|
|
|
|
|
|
|
241
|
|
|
|
|
|
|
return { |
242
|
0
|
|
|
|
|
|
create => [ sort @create ], |
243
|
|
|
|
|
|
|
update => [ sort @update ], |
244
|
|
|
|
|
|
|
delete => [ sort @delete ], |
245
|
|
|
|
|
|
|
}; |
246
|
|
|
|
|
|
|
} |
247
|
|
|
|
|
|
|
|
248
|
|
|
|
|
|
|
1; |
249
|
|
|
|
|
|
|
__END__ |