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package Pod::Elemental::Objectifier; |
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# ABSTRACT: it turns a Pod::Eventual event stream into objects |
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$Pod::Elemental::Objectifier::VERSION = '0.103005'; |
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use Moose; |
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#pod =head1 OVERVIEW |
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#pod |
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#pod An objectifier is responsible for taking the events produced by |
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#pod L<Pod::Eventual|Pod::Eventual> and converting them into objects that perform |
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#pod the Pod::Elemental::Paragraph role. |
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#pod |
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#pod In general, it does this by producing a sequence of element objects in the |
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#pod Pod::Elemental::Element::Generic namespace. |
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#pod |
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#pod =cut |
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use namespace::autoclean; |
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use Pod::Elemental::Element::Generic::Blank; |
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use Pod::Elemental::Element::Generic::Command; |
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use Pod::Elemental::Element::Generic::Nonpod; |
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use Pod::Elemental::Element::Generic::Text; |
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#pod =method objectify_events |
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#pod |
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#pod my $elements = $objectifier->objectify_events(\@events); |
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#pod |
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#pod Given an arrayref of Pod events, this method returns an arrayref of objects |
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#pod formed from the event stream. |
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#pod |
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#pod =cut |
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sub objectify_events { |
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my ($self, $events) = @_; |
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return [ map { |
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Carp::croak("not a valid event") unless ref $_; |
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my $class = $self->element_class_for_event($_); |
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my %guts = ( |
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content => $_->{content}, |
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start_line => $_->{start_line}, |
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($_->{type} eq 'command' ? (command => $_->{command}) : ()), |
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); |
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$class->new(\%guts); |
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} @$events ]; |
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} |
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#pod =method element_class_for_event |
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#pod |
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#pod This method returns the name of the class to be used for the given event. |
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#pod |
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#pod =cut |
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sub __class_for { |
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return { |
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blank => 'Pod::Elemental::Element::Generic::Blank', |
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command => 'Pod::Elemental::Element::Generic::Command', |
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nonpod => 'Pod::Elemental::Element::Generic::Nonpod', |
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text => 'Pod::Elemental::Element::Generic::Text', |
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}; |
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} |
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sub element_class_for_event { |
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my ($self, $event) = @_; |
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my $t = $event->{type}; |
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my $class_for = $self->__class_for; |
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Carp::croak "unknown event type: $t" unless exists $class_for->{ $t }; |
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return $class_for->{ $t }; |
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} |
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__PACKAGE__->meta->make_immutable; |
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1; |
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__END__ |
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=pod |
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=encoding UTF-8 |
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=head1 NAME |
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Pod::Elemental::Objectifier - it turns a Pod::Eventual event stream into objects |
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91
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=head1 VERSION |
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93
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version 0.103005 |
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95
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=head1 OVERVIEW |
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97
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An objectifier is responsible for taking the events produced by |
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L<Pod::Eventual|Pod::Eventual> and converting them into objects that perform |
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the Pod::Elemental::Paragraph role. |
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In general, it does this by producing a sequence of element objects in the |
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Pod::Elemental::Element::Generic namespace. |
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104
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=head1 METHODS |
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106
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=head2 objectify_events |
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108
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my $elements = $objectifier->objectify_events(\@events); |
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Given an arrayref of Pod events, this method returns an arrayref of objects |
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formed from the event stream. |
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113
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=head2 element_class_for_event |
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This method returns the name of the class to be used for the given event. |
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=head1 AUTHOR |
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Ricardo SIGNES <rjbs@cpan.org> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2020 by Ricardo SIGNES. |
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This is free software; you can redistribute it and/or modify it under |
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the same terms as the Perl 5 programming language system itself. |
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=cut |