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package Text::MediawikiFormat::Blocks; |
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use strict; |
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use warnings::register; |
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our $VERSION = '1.02'; |
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sub import |
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{ |
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my $caller = caller(); |
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no strict 'refs'; |
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*{ $caller . '::new_block' } = sub |
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{ |
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my $type = shift; |
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my $class = "Text::MediawikiFormat::Block::$type"; |
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*{ $class . '::ISA' } = [ 'Text::MediawikiFormat::Block' ] |
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unless $class->can( 'new' ); |
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return $class->new( type => $type, @_ ); |
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}; |
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} |
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package Text::MediawikiFormat::Block; |
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use Scalar::Util qw( blessed reftype ); |
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sub new |
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{ |
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my ($class, %args) = @_; |
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$args{text} = $class->arg_to_ref (delete $args{text} || ''); |
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$args{args} = [$class->arg_to_ref (delete $args{args} || [])]; |
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bless \%args, $class; |
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} |
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sub arg_to_ref |
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{ |
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my ($class, $value) = @_; |
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return $value if ( reftype( $value ) || '' ) eq 'ARRAY'; |
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return [ $value ]; |
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} |
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sub shift_args |
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{ |
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my $self = shift; |
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my $args = shift @{ $self->{args} }; |
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return wantarray ? @$args : $args; |
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} |
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sub all_args |
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{ |
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my $args = $_[0]{args}; |
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return wantarray ? @$args : $args; |
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} |
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sub text |
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{ |
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262
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262
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my $text = $_[0]{text}; |
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return wantarray ? @$text : $text; |
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} |
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sub add_text |
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{ |
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100
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my $self = shift; |
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100
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157
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push @{ $self->{text} }, @_; |
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181
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} |
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sub formatted_text |
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{ |
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130
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130
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141
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my $self = shift; |
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234
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708
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return map |
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{ |
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130
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231
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blessed( $_ ) ? $_ : $self->formatter( $_ ) |
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} $self->text(); |
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} |
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sub formatter |
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{ |
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216
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my ($self, $line) = @_; |
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216
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370
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Text::MediawikiFormat::format_line ($line, $self->tags(), |
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$self->opts()); |
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} |
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sub add_args |
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{ |
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my $self = shift; |
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push @{ $self->{args} }, @_; |
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} |
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92
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{ |
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14
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14
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82
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no strict 'refs'; |
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14
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18
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14
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4259
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94
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for my $attribute (qw( level opts tags type )) |
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{ |
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2073
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2073
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7411
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*{ $attribute } = sub { $_[0]{$attribute} }; |
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} |
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} |
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sub merge |
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{ |
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274
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274
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my ($self, $next_block) = @_; |
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return $next_block unless $self->type() eq $next_block->type(); |
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return $next_block unless $self->level() == $next_block->level(); |
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$self->add_text( $next_block->text() ); |
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$self->add_args( $next_block->all_args() ); |
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return; |
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} |
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112
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sub nests |
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{ |
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191
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my ($self, $maynest) = @_; |
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my $tags = $self->{tags}; |
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return exists $tags->{nests}{$self->type()} |
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&& exists $tags->{nests}{$maynest->type()} |
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&& $self->level() < $maynest->level() |
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# tags nest anywhere, regardless of level and parent |
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|| exists $tags->{nests_anywhere}{$maynest->type()}; |
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} |
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sub nest |
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{ |
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274
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274
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249
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my ($self, $next_block) = @_; |
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128
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274
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436
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return unless $next_block = $self->merge ($next_block); |
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191
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100
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return $next_block unless $self->nests ($next_block); |
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131
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# if there's a nested block at the end, maybe it can nest too |
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40
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65
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my $last_item = ( $self->text() )[-1]; |
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40
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100
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return $last_item->nest( $next_block ) if blessed( $last_item ); |
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135
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17
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28
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$self->add_text( $next_block ); |
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17
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28
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return; |
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} |
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139
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1; |
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__END__ |