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package SeeAlso::Format; |
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$SeeAlso::Format::VERSION = '0.14'; |
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3
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16
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use strict; |
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3
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123
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use warnings; |
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68
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5
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6
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3
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3
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15
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use Plack::Request; |
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3
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56
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3
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use Try::Tiny; |
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6
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3
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154
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3
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3
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3244
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use Data::Dumper; |
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20546
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3
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237
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3
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use Scalar::Util qw(reftype); |
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3
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133
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12
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3
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3
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use SeeAlso::Format::seealso; |
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10
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3
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83
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13
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3
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3
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use SeeAlso::Format::redirect; |
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7
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3
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1321
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14
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15
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sub valid { |
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7
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0
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my $resp = shift; |
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7
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100
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100
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74
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return unless (reftype($resp) || '') eq 'ARRAY' and @$resp == 4; |
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66
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18
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6
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50
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100
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return if ref($resp->[0] // []); # identifier must be string |
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50
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return unless (reftype($resp) || '') eq 'ARRAY'; |
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6
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foreach (1,2,3) { |
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18
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my $a = $resp->[$_]; |
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18
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50
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74
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return unless (reftype($a) || '') eq 'ARRAY'; |
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18
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50
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50
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return if grep { ref($_ // []) } @$a; |
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75
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24
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} |
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6
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$resp; |
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} |
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28
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29
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sub new { |
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3
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3
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0
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my $class = shift; |
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32
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3
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50
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13
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if (@_) { |
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3
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$class = "SeeAlso::Format::".lc($_[0]); |
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# TODO |
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# require $class; |
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} |
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38
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3
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18
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bless { }, $class; |
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} |
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41
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sub type { |
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0
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0
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0
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0
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die __PACKAGE__ . '->type must return a MIME type'; |
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} |
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45
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sub psgi { |
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0
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0
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0
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die __PACKAGE__ . '->psgi must return a PSGI response'; |
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} |
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49
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sub app { |
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3
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3
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0
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9
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my ($self, $query) = @_; |
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sub { |
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5
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5
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1722
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my $env = shift; |
53
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5
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21
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my $id = Plack::Request->new($env)->param('id'); |
54
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5
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92
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my $result; |
55
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try { |
56
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5
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147
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$result = $query->( $id ); |
57
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4
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50
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66
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52
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die 'Invalid SeeAlso response:' . Dumper($result) |
58
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if defined $result and !valid($result); |
59
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} catch { |
60
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1
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30
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$env->{'psgi.errors'}->print($_); |
61
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5
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41
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}; |
62
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5
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100
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97
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$result = [$id,[],[],[]] unless $result; |
63
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64
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5
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50
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31
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return $self->psgi( $result || [$id,[],[],[]] ); |
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} |
66
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3
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29
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} |
67
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68
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1; |
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70
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__END__ |