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package XML::NewsML_G2::Writer; |
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use Carp; |
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1087
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use Moose; |
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use Moose::Util; |
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use DateTime; |
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use DateTime::Format::XSD; |
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638
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use XML::NewsML_G2::Scheme; |
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use XML::NewsML_G2::Scheme_Manager; |
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use namespace::autoclean; |
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has '_root_item', is => 'ro', lazy => 1, builder => '_build__root_item'; |
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has 'encoding', isa => 'Str', is => 'ro', default => 'utf-8'; |
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has 'scheme_manager', |
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isa => 'XML::NewsML_G2::Scheme_Manager', |
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is => 'ro', |
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lazy => 1, |
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builder => '_build_scheme_manager'; |
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has 'doc', |
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isa => 'XML::LibXML::Document', |
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is => 'ro', |
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lazy => 1, |
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builder => '_build_doc'; |
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has '_formatter', is => 'ro', default => sub { DateTime::Format::XSD->new() }; |
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has 'g2_ns', |
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isa => 'Str', |
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is => 'ro', |
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default => 'http://iptc.org/std/nar/2006-10-01/'; |
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has 'xhtml_ns', |
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isa => 'Str', |
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is => 'ro', |
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default => 'http://www.w3.org/1999/xhtml'; |
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has 'g2_version', isa => 'Str', is => 'ro', default => '2.18'; |
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has '_root_node_name', isa => 'Str', is => 'ro', default => 'newsItem'; |
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has '_nature_qcode_prefix', isa => 'Str', is => 'ro', default => 'ninat'; |
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has 'generator_version', |
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is => 'Str', |
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is => 'ro', |
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lazy => 1, |
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builder => '_build_generator_version'; |
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46
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# attributes set by version-specific role |
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has 'schema_location', isa => 'Str', is => 'ro'; |
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has 'g2_catalog_url', isa => 'Str', is => 'ro'; |
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has 'g2_catalog_schemes', |
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isa => 'HashRef', |
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is => 'ro', |
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lazy => 1, |
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builder => '_build_g2_catalog_schemes'; |
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55
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# builders |
56
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57
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sub _build__root_item { |
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0
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0
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0
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croak 'Override in subclass'; |
59
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} |
60
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61
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sub _build_g2_catalog_schemes { |
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return { |
63
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81
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81
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1868
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isrol => undef, |
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nprov => undef, |
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cinat => undef, |
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ninat => undef, |
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stat => undef, |
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sig => undef, |
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genre => undef, |
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isin => undef, |
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medtop => undef, |
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crol => undef, |
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drol => undef, |
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pgrmod => undef, |
75
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iso3166_1a2 => 'iso3166-1a2' |
76
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}; |
77
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} |
78
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79
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sub _build_doc { |
80
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81
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81
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194
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my $self = shift; |
81
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81
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2361
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return XML::LibXML->createDocument( '1.0', $self->encoding ); |
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} |
83
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84
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sub _build_scheme_manager { |
85
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2
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2
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7
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my $self = shift; |
86
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2
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70
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return XML::NewsML_G2::Scheme_Manager->new(); |
87
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} |
88
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89
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sub _build_generator_version { |
90
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72
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72
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2655
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return XML::NewsML_G2->VERSION; |
91
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} |
92
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93
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# Apply roles needed for writing |
94
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sub BUILD { |
95
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81
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81
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0
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184
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my $self = shift; |
96
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97
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81
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2674
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( my $ni_cls ) = reverse split( '::', $self->_root_item->meta->name ); |
98
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81
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3749
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my $type_role = sprintf( 'XML::NewsML_G2::Role::Writer::%s', $ni_cls ); |
99
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100
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81
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2304
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my $g2_version = $self->g2_version; |
101
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81
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386
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$g2_version =~ s/\./_/; |
102
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81
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236
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my $version_role = 'XML::NewsML_G2::Role::Writer_' . $g2_version; |
103
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104
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81
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499
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Moose::Util::apply_all_roles( $self, $type_role, $version_role ); |
105
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106
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81
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728000
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return; |
107
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} |
108
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109
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# DOM creating methods |
110
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111
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sub _create_creator { |
112
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207
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207
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439
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my ( $self, $creator ) = @_; |
113
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207
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5488
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my $result = |
114
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$self->create_element( 'creator', _name_text => $creator->name ); |
115
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116
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207
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100
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9228
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if ( $creator->kind ) { |
117
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46
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181
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my $rel = |
118
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$result->appendChild( |
119
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$self->create_element( 'related', rel => 'crel:isA' ) ); |
120
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46
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152
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$self->scheme_manager->add_qcode( $rel, 'gyibt', $creator->kind ); |
121
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} |
122
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207
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1627
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return $result; |
123
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} |
124
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125
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sub _create_root_element { |
126
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72
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72
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213
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my ($self) = @_; |
127
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72
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2007
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my $root = |
128
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$self->doc->createElementNS( $self->g2_ns, $self->_root_node_name ); |
129
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72
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1859
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$self->doc->setDocumentElement($root); |
130
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72
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3364
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$root->setAttributeNS( 'http://www.w3.org/2001/XMLSchema-instance', |
131
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'xsi:schemaLocation', $self->schema_location ); |
132
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133
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72
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2290
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$root->setAttribute( 'standard', 'NewsML-G2' ); |
134
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72
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2955
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$root->setAttribute( 'standardversion', $self->g2_version ); |
135
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72
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832
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$root->setAttribute( 'conformance', 'power' ); |
136
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72
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2663
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$root->setAttribute( 'xml:lang', $self->_root_item->language ); |
137
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138
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72
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2477
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$root->setAttribute( 'guid', $self->_root_item->guid ); |
139
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72
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2350
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$root->setAttribute( 'version', $self->_root_item->doc_version ); |
140
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72
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700
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return $root; |
141
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} |
142
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143
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sub _create_catalogs { |
144
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65
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65
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556
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my ( $self, $root ) = @_; |
145
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146
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65
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2029
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my %catalogs = ( $self->g2_catalog_url => 1 ); |
147
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148
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65
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146
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my $cat; |
149
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65
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1689
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foreach my $scheme ( $self->scheme_manager->get_all_schemes() ) { |
150
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1384
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100
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39482
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if ( my $catalog = $scheme->catalog ) { |
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50
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151
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968
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1852
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$catalogs{$catalog} = 1; |
152
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} |
153
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elsif ($scheme) { |
154
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416
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100
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1372
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$root->appendChild( $cat = $self->create_element('catalog') ) |
155
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unless $cat; |
156
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416
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9941
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$cat->appendChild( |
157
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$self->create_element( |
158
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'scheme', |
159
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alias => $scheme->alias, |
160
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uri => $scheme->uri |
161
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) |
162
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); |
163
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} |
164
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} |
165
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166
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65
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1317
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foreach my $url ( sort keys %catalogs ) { |
167
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108
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1487
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$root->appendChild( |
168
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$self->create_element( 'catalogRef', href => $url ) ); |
169
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} |
170
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171
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65
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1593
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return; |
172
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} |
173
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174
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sub _create_copyright_holder_remoteinfo { |
175
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26
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26
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140
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my ( $self, $crh ) = @_; |
176
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26
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100
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813
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if ( my $remote_info = $self->news_item->copyright_holder->remote_info ) { |
177
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25
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54
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my %args; |
178
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25
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50
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704
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$args{reluri} = $remote_info->reluri if $remote_info->reluri; |
179
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25
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50
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688
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$args{href} = $remote_info->href if $remote_info->href; |
180
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25
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50
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160
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$crh->appendChild( $self->create_element( 'remoteInfo', %args ) ) |
181
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if keys %args; |
182
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} |
183
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26
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80
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return; |
184
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} |
185
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186
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66
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sub _create_item_meta_title { |
187
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} |
188
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189
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sub _create_teaser { |
190
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32
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32
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132
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my ( $self, $cm ) = @_; |
191
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192
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32
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50
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|
923
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if ( $self->news_item->teaser ) { |
193
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0
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0
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$cm->appendChild( |
194
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my $teaser = $self->create_element( |
195
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'description', _text => $self->news_item->teaser |
196
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) |
197
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); |
198
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0
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0
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$self->scheme_manager->add_role( $teaser, 'drol', 'teaser' ); |
199
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} |
200
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32
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449
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return; |
201
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} |
202
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203
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sub _create_item_meta { |
204
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72
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72
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196
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my ( $self, $root ) = @_; |
205
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206
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72
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205
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my $im = $self->create_element('itemMeta'); |
207
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72
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|
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|
3858
|
$im->appendChild( my $ic = $self->create_element('itemClass') ); |
208
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72
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217
|
$self->scheme_manager->add_qcode( |
209
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$ic, |
210
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$self->_nature_qcode_prefix, |
211
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|
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$self->_root_item->nature |
212
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); |
213
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214
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72
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1935
|
$im->appendChild( |
215
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|
|
my $p = $self->create_element( |
216
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|
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'provider', _name_text => $self->_root_item->provider |
217
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) |
218
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); |
219
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72
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1560
|
$self->scheme_manager->add_qcode_or_literal( $p, 'nprov', |
220
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|
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$self->_root_item->provider->qcode ); |
221
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72
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2414
|
$im->appendChild( |
222
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$self->create_element( |
223
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'versionCreated', |
224
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|
|
_text => $self->_formatter->format_datetime( |
225
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|
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DateTime->now( time_zone => $self->_root_item->timezone ) |
226
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) |
227
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) |
228
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); |
229
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230
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72
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100
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228
|
if ( $self->_root_item->embargo ) { |
231
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53
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1615
|
my $e = |
232
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$self->_formatter->format_datetime( $self->_root_item->embargo ); |
233
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53
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10394
|
$im->appendChild( $self->create_element( 'embargoed', _text => $e ) ); |
234
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} |
235
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236
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72
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246
|
$im->appendChild( my $ps = $self->create_element('pubStatus') ); |
237
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72
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237
|
$self->scheme_manager->add_qcode( $ps, 'stat', |
238
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|
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$self->_root_item->doc_status ); |
239
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72
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2471
|
$im->appendChild( |
240
|
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|
$self->create_element( |
241
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'generator', |
242
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|
|
versioninfo => $self->generator_version, |
243
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|
_text => 'XML::NewsML_G2' |
244
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) |
245
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); |
246
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72
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100
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206
|
if ( $self->_root_item->has_service ) { |
247
|
53
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|
|
1377
|
$im->appendChild( |
248
|
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|
|
my $svc = $self->create_element( |
249
|
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|
|
'service', _name_text => $self->_root_item->service |
250
|
|
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) |
251
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); |
252
|
53
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|
1174
|
$self->scheme_manager->add_qcode( $svc, 'svc', |
253
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|
|
$self->_root_item->service->qcode ); |
254
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255
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|
|
} |
256
|
72
|
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|
|
1168
|
$self->_create_item_meta_title($im); |
257
|
|
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|
258
|
72
|
100
|
|
|
|
1946
|
if ( $self->_root_item->embargo_text ) { |
259
|
53
|
|
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|
|
1332
|
$im->appendChild( |
260
|
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|
|
my $e = $self->create_element( |
261
|
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|
|
'edNote', _text => $self->_root_item->embargo_text |
262
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) |
263
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|
); |
264
|
53
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152
|
$self->scheme_manager->add_role( $e, 'role', 'embargotext' ); |
265
|
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|
|
} |
266
|
72
|
100
|
|
|
|
2500
|
if ( $self->_root_item->closing ) { |
267
|
53
|
|
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|
|
1332
|
$im->appendChild( |
268
|
|
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|
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|
|
my $e = $self->create_element( |
269
|
|
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|
|
'edNote', _text => $self->_root_item->closing |
270
|
|
|
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|
) |
271
|
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|
|
); |
272
|
53
|
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|
184
|
$self->scheme_manager->add_role( $e, 'role', 'closing' ); |
273
|
|
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|
|
} |
274
|
72
|
100
|
|
|
|
2538
|
if ( $self->_root_item->note ) { |
275
|
53
|
|
|
|
|
1433
|
$im->appendChild( |
276
|
|
|
|
|
|
|
my $e = $self->create_element( |
277
|
|
|
|
|
|
|
'edNote', _text => $self->_root_item->note |
278
|
|
|
|
|
|
|
) |
279
|
|
|
|
|
|
|
); |
280
|
53
|
|
|
|
|
454
|
$self->scheme_manager->add_role( $e, 'role', 'note' ); |
281
|
|
|
|
|
|
|
} |
282
|
|
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|
|
|
|
283
|
72
|
50
|
|
|
|
2470
|
if ( $self->_root_item->doc_version > 1 ) { |
284
|
0
|
|
|
|
|
0
|
$im->appendChild( my $s = $self->create_element('signal') ); |
285
|
0
|
|
|
|
|
0
|
$self->scheme_manager->add_qcode( $s, 'sig', 'correction' ); |
286
|
|
|
|
|
|
|
} |
287
|
|
|
|
|
|
|
|
288
|
72
|
|
|
|
|
171
|
foreach ( @{ $self->_root_item->indicators } ) { |
|
72
|
|
|
|
|
2120
|
|
289
|
104
|
|
|
|
|
833
|
$im->appendChild( my $s = $self->create_element('signal') ); |
290
|
104
|
|
|
|
|
298
|
$self->scheme_manager->add_qcode( $s, 'ind', lc ); |
291
|
|
|
|
|
|
|
} |
292
|
|
|
|
|
|
|
|
293
|
72
|
|
|
|
|
759
|
foreach |
294
|
|
|
|
|
|
|
my $attr (qw(see_alsos derived_froms processed_froms evolved_froms)) { |
295
|
288
|
50
|
|
|
|
9139
|
if ( $self->_root_item->$attr ) { |
296
|
288
|
|
|
|
|
7189
|
my $arrayref = $self->_root_item->$attr; |
297
|
288
|
|
|
|
|
745
|
for my $v (@$arrayref) { |
298
|
159
|
|
|
|
|
1778
|
( my $rel = $attr ) =~ s/_(\w)/uc $1/ge; |
|
159
|
|
|
|
|
593
|
|
299
|
159
|
|
|
|
|
586
|
$rel =~ s/s$//; |
300
|
159
|
|
|
|
|
4733
|
my $linkelem = $self->create_element( |
301
|
|
|
|
|
|
|
'link', |
302
|
|
|
|
|
|
|
rel => "irel:$rel", |
303
|
|
|
|
|
|
|
version => $v->version |
304
|
|
|
|
|
|
|
); |
305
|
159
|
|
|
|
|
341
|
for my $attribute (qw/residref href/) { |
306
|
318
|
100
|
|
|
|
9296
|
next unless $v->$attribute; |
307
|
159
|
|
|
|
|
3778
|
$linkelem->setAttribute( $attribute => $v->$attribute ); |
308
|
|
|
|
|
|
|
} |
309
|
|
|
|
|
|
|
|
310
|
159
|
|
|
|
|
1412
|
$im->appendChild($linkelem); |
311
|
|
|
|
|
|
|
} |
312
|
|
|
|
|
|
|
} |
313
|
|
|
|
|
|
|
} |
314
|
|
|
|
|
|
|
|
315
|
72
|
|
|
|
|
669
|
$root->appendChild($im); |
316
|
72
|
|
|
|
|
236
|
return; |
317
|
|
|
|
|
|
|
} |
318
|
|
|
|
|
|
|
|
319
|
|
|
|
|
|
|
sub _import_iptc_catalog { |
320
|
81
|
|
|
81
|
|
173
|
my $self = shift; |
321
|
|
|
|
|
|
|
|
322
|
81
|
|
|
|
|
174
|
while ( my ( $attr, $alias ) = each %{ $self->g2_catalog_schemes } ) { |
|
1200
|
|
|
|
|
30109
|
|
323
|
1119
|
|
66
|
|
|
3841
|
$alias ||= $attr; |
324
|
1119
|
50
|
|
|
|
26898
|
my $getter_setter = $self->scheme_manager->can($attr) |
325
|
|
|
|
|
|
|
or die "Unknown scheme '$attr'\n"; |
326
|
|
|
|
|
|
|
next |
327
|
1119
|
100
|
|
|
|
26546
|
if ( $getter_setter->( $self->scheme_manager ) ) |
328
|
|
|
|
|
|
|
; # attribute ist already set by user |
329
|
244
|
|
|
|
|
7092
|
my $scheme = XML::NewsML_G2::Scheme->new( |
330
|
|
|
|
|
|
|
alias => $alias, |
331
|
|
|
|
|
|
|
catalog => $self->g2_catalog_url |
332
|
|
|
|
|
|
|
); |
333
|
244
|
|
|
|
|
5738
|
$getter_setter->( $self->scheme_manager, $scheme ); |
334
|
|
|
|
|
|
|
} |
335
|
81
|
|
|
|
|
198
|
return; |
336
|
|
|
|
|
|
|
} |
337
|
|
|
|
|
|
|
|
338
|
|
|
|
|
|
|
# public methods |
339
|
|
|
|
|
|
|
|
340
|
|
|
|
|
|
|
sub create_element { |
341
|
6537
|
|
|
6537
|
1
|
76425
|
my ( $self, $name, %attrs ) = @_; |
342
|
6537
|
|
|
|
|
10885
|
my $text = delete $attrs{_text}; |
343
|
6537
|
|
|
|
|
9127
|
my $cdata = delete $attrs{_cdata}; |
344
|
6537
|
|
|
|
|
9026
|
my $name_text = delete $attrs{_name_text}; |
345
|
6537
|
|
66
|
|
|
157473
|
my $ns = delete $attrs{_ns} || $self->g2_ns; |
346
|
6537
|
|
|
|
|
151821
|
my $elem = $self->doc->createElementNS( $ns, $name ); |
347
|
6537
|
|
|
|
|
19014
|
for my $attr_name ( sort keys %attrs ) { |
348
|
2876
|
|
|
|
|
14730
|
$elem->setAttribute( $attr_name, $attrs{$attr_name} ); |
349
|
|
|
|
|
|
|
} |
350
|
6537
|
100
|
|
|
|
28930
|
if ($text) { |
|
|
50
|
|
|
|
|
|
|
|
100
|
|
|
|
|
|
351
|
2866
|
|
|
|
|
69861
|
$elem->appendChild( $self->doc->createTextNode($text) ); |
352
|
|
|
|
|
|
|
} |
353
|
|
|
|
|
|
|
elsif ($cdata) { |
354
|
0
|
|
|
|
|
0
|
$elem->appendChild( $self->doc->createCDATASection($cdata) ); |
355
|
|
|
|
|
|
|
} |
356
|
|
|
|
|
|
|
elsif ($name_text) { |
357
|
1189
|
100
|
66
|
|
|
30846
|
$name_text = $name_text->name |
358
|
|
|
|
|
|
|
if ( ref $name_text and $name_text->can('name') ); |
359
|
1189
|
|
|
|
|
2951
|
$elem->appendChild( |
360
|
|
|
|
|
|
|
$self->create_element( 'name', _text => $name_text ) ); |
361
|
|
|
|
|
|
|
} |
362
|
6537
|
|
|
|
|
36054
|
return $elem; |
363
|
|
|
|
|
|
|
} |
364
|
|
|
|
|
|
|
|
365
|
|
|
|
|
|
|
sub create_dom { |
366
|
72
|
|
|
72
|
1
|
10509
|
my $self = shift; |
367
|
|
|
|
|
|
|
|
368
|
72
|
|
|
|
|
439
|
$self->_import_iptc_catalog(); |
369
|
72
|
|
|
|
|
532
|
my $root = $self->_create_root_element(); |
370
|
72
|
|
|
|
|
500
|
$self->_create_catalogs($root); |
371
|
72
|
|
|
|
|
1095
|
$self->_create_rights_info($root); |
372
|
72
|
|
|
|
|
1722
|
$self->_create_item_meta($root); |
373
|
72
|
|
|
|
|
3221
|
$self->_create_content_meta($root); |
374
|
68
|
|
|
|
|
5757
|
$self->_create_content($root); |
375
|
68
|
|
|
|
|
4070
|
return $self->doc; |
376
|
|
|
|
|
|
|
|
377
|
|
|
|
|
|
|
} |
378
|
|
|
|
|
|
|
|
379
|
|
|
|
|
|
|
__PACKAGE__->meta->make_immutable; |
380
|
|
|
|
|
|
|
|
381
|
|
|
|
|
|
|
1; |
382
|
|
|
|
|
|
|
__END__ |
383
|
|
|
|
|
|
|
|
384
|
|
|
|
|
|
|
=head1 NAME |
385
|
|
|
|
|
|
|
|
386
|
|
|
|
|
|
|
XML::NewsML_G2::Writer - base class for XML DOM tree creation |
387
|
|
|
|
|
|
|
conforming to NewsML-G2 News Items, Package Items and News Messages |
388
|
|
|
|
|
|
|
|
389
|
|
|
|
|
|
|
=for test_synopsis |
390
|
|
|
|
|
|
|
my ($ni, $sm); |
391
|
|
|
|
|
|
|
|
392
|
|
|
|
|
|
|
=head1 SYNOPSIS |
393
|
|
|
|
|
|
|
|
394
|
|
|
|
|
|
|
my $w = XML::NewsML_G2::Writer::News_Item->new |
395
|
|
|
|
|
|
|
(news_item => $ni, scheme_manager => $sm, g2_version => 2.18); |
396
|
|
|
|
|
|
|
|
397
|
|
|
|
|
|
|
my $p = $w->create_element('p', class => 'main', _text => 'blah'); |
398
|
|
|
|
|
|
|
|
399
|
|
|
|
|
|
|
my $dom = $w->create_dom(); |
400
|
|
|
|
|
|
|
|
401
|
|
|
|
|
|
|
=head1 DESCRIPTION |
402
|
|
|
|
|
|
|
|
403
|
|
|
|
|
|
|
This module acts as a NewsML-G2 version-independent base class for all |
404
|
|
|
|
|
|
|
writer classes. Depending on whether you want to create output for a |
405
|
|
|
|
|
|
|
News Item, Package Item or News Message, use one of the subclasses |
406
|
|
|
|
|
|
|
L<XML::NewsML_G2::Writer::News_Item>, |
407
|
|
|
|
|
|
|
L<XML::NewsML_G2::Writer::Package_Item> or |
408
|
|
|
|
|
|
|
L<XML::NewsML_G2::Writer::News_Message> instead. |
409
|
|
|
|
|
|
|
|
410
|
|
|
|
|
|
|
=head1 ATTRIBUTES |
411
|
|
|
|
|
|
|
|
412
|
|
|
|
|
|
|
=over 4 |
413
|
|
|
|
|
|
|
|
414
|
|
|
|
|
|
|
=item news_item |
415
|
|
|
|
|
|
|
|
416
|
|
|
|
|
|
|
L<XML::NewsML_G2::News_Item> instance used to create the output document |
417
|
|
|
|
|
|
|
|
418
|
|
|
|
|
|
|
=item encoding |
419
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420
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Encoding used to create the output document, defaults to utf-8 |
421
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422
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=item scheme_manager |
423
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424
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L<XML::NewsML_G2::Scheme_Manager> instance used to create qcodes |
425
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426
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=item doc |
427
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428
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|
L<XML::LibXML::Document> instance used to create the output document |
429
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430
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=item g2_ns |
431
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432
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XML Namespace of NewsML-G2 |
433
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434
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=item xhtml_n2 |
435
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436
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XML Namespace of XHTML |
437
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438
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=item g2_version |
439
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440
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Use this attribute to specify the NewsML-G2 version to be |
441
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|
created. Defaults to 2.18, other valid options are: 2.9, 2.12 and |
442
|
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2.15. Be aware that only the later versions offer all features. |
443
|
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444
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=item schema_location |
445
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446
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Specified by subclass. |
447
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448
|
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=item g2_catalog_url |
449
|
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450
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URL of the G2 catalog, specified by subclass. |
451
|
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452
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=item g2_catalog_schemes |
453
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454
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|
Reference to a hash of schemes that are covered by the G2 catalog. If |
455
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|
|
the value is undefined, it defaults to the name of the scheme. |
456
|
|
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457
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=item generator_version |
458
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459
|
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Version of the generating software, as written to the output. Defaults |
460
|
|
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|
to the version of XML::NewsML_G2, but can be overwritten here (mainly |
461
|
|
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|
to ease automated testing). |
462
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463
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=back |
464
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465
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|
=head1 METHODS |
466
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467
|
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|
=over 4 |
468
|
|
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469
|
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|
|
=item create_element |
470
|
|
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471
|
|
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|
|
Helper method that creates XML elements, e.g. to be used in the |
472
|
|
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|
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|
|
C<paragraphs> element of the L<XML::NewsML_G2::News_Item>. |
473
|
|
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474
|
|
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|
|
=item create_dom |
475
|
|
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|
476
|
|
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|
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|
|
Returns the L<XML::LibXML::Document> element containing the requested |
477
|
|
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|
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|
|
output. Be careful I<not> to use C<< $dom->serialize(2) >> for formatting, |
478
|
|
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|
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|
|
as this creates invalid NewsML-G2 files because it adds whitespace |
479
|
|
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|
|
where none is allowed (e.g. in xs:dateTime elements). |
480
|
|
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481
|
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|
=back |
482
|
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483
|
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|
|
=head1 AUTHOR |
484
|
|
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|
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|
|
485
|
|
|
|
|
|
|
Philipp Gortan C<< <philipp.gortan@apa.at> >> |
486
|
|
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|
487
|
|
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|
|
=head1 LICENCE AND COPYRIGHT |
488
|
|
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489
|
|
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|
|
Copyright (c) 2013-2014, APA-IT. All rights reserved. |
490
|
|
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491
|
|
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|
|
See L<XML::NewsML_G2> for the license. |