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package Pod::Elemental::Element::Pod5::Region 0.103006; |
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# ABSTRACT: a region of Pod (this role likely to be removed) |
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use Moose; |
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with qw( |
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Pod::Elemental::Paragraph |
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Pod::Elemental::Node |
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Pod::Elemental::Command |
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); |
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#pod =head1 WARNING |
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#pod |
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#pod This class is somewhat sketchy and may be refactored somewhat in the future, |
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#pod specifically to refactor its similarities to |
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#pod L<Pod::Elemental::Element::Nested>. |
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#pod |
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#pod =head1 OVERVIEW |
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#pod |
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#pod A Pod5::Region element represents a region marked by a C<=for> command or a |
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#pod pair of C<=begin> and C<=end> commands. It may have content of its own as well |
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#pod as child paragraphs. |
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#pod |
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#pod Its C<as_pod_string> method will emit either a C<=begin/=end>-enclosed string |
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#pod or a C<=for> command, based on whichever is permissible. |
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#pod |
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#pod =cut |
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use Pod::Elemental::Types qw(FormatName); |
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use MooseX::Types::Moose qw(Bool); |
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#pod =attr format_name |
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#pod |
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#pod This is the format to which the region was targeted. |
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#pod |
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#pod B<Note!> The format name should I<not> include the leading colon to indicate a |
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#pod pod paragraph. For that, see C<L</is_pod>>. |
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#pod |
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#pod =cut |
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has format_name => (is => 'ro', isa => FormatName, required => 1); |
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#pod =attr is_pod |
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#pod |
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#pod If true, this region contains pod (ordinary or verbatim) paragraphs, as opposed |
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#pod to data paragraphs. This will generally result from the document originating |
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#pod in a C<=begin> block with a colon-prefixed target identifier: |
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#pod |
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#pod =begin :html |
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#pod |
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#pod This is still a verbatim paragraph. |
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#pod |
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#pod =end :html |
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#pod |
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#pod =cut |
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has is_pod => (is => 'ro', isa => Bool, required => 1, default => 1); |
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sub command { 'begin' } |
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sub closing_command { 'end' } |
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sub _display_as_for { |
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my ($self) = @_; |
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# Everything after "=for target" becomes the lone child paragraph, so there |
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# is nowhere to put the (technically illegal) content. -- rjbs, 2009-11-24 |
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return if $self->content =~ /\S/; |
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# We can't have more than one paragraph, because there'd be a blank, so we |
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# couldn't round trip. -- rjbs, 2009-11-24 |
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return if @{ $self->children } != 1; |
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my $child = $self->children->[0]; |
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return if $child->content =~ m{^\s*$}m; |
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my $base = 'Pod::Elemental::Element::Pod5::'; |
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return 1 if $self->is_pod and $child->isa("${base}Ordinary"); |
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return 1 if ! $self->is_pod and $child->isa("${base}Data"); |
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return; |
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} |
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sub as_pod_string { |
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my ($self) = @_; |
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my $string; |
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if ($self->_display_as_for) { |
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$string = $self->__as_pod_string_for($self); |
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} else { |
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$string = $self->__as_pod_string_begin($self); |
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} |
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$string =~ s/\n*\z//g; |
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return $string; |
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} |
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sub __as_pod_string_begin { |
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my ($self) = @_; |
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my $content = $self->content; |
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my $colon = $self->is_pod ? ':' : ''; |
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my $string = sprintf "=%s %s%s\n", |
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$self->command, |
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$colon . $self->format_name, |
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($content =~ /\S/ ? " $content\n" : "\n"); |
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$string .= join(q{}, map { $_->as_pod_string } @{ $self->children }); |
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$string .= "\n\n" |
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if @{ $self->children } |
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and $self->children->[-1]->isa( 'Pod::Elemental::Element::Pod5::Data'); |
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# Pod5::$self->is_pod; # XXX: HACK!! -- rjbs, 2009-10-21 |
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$string .= sprintf "=%s %s", |
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$self->closing_command, |
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$colon . $self->format_name; |
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return $string; |
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} |
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sub __as_pod_string_for { |
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my ($self) = @_; |
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my $content = $self->content; |
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my $colon = $self->is_pod ? ':' : ''; |
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my $string = sprintf "=for %s %s", |
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$colon . $self->format_name, |
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$self->children->[0]->as_pod_string; |
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return $string; |
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} |
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sub as_debug_string { |
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my ($self) = @_; |
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my $colon = $self->is_pod ? ':' : ''; |
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my $string = sprintf "=%s %s", |
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$self->command, |
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$colon . $self->format_name; |
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return $string; |
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} |
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with 'Pod::Elemental::Autoblank'; |
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with 'Pod::Elemental::Autochomp'; |
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152
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# BEGIN Autochomp Replacement |
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use Pod::Elemental::Types qw(ChompedString); |
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has '+content' => (coerce => 1, isa => ChompedString); |
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# END Autochomp Replacement |
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__PACKAGE__->meta->make_immutable; |
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10927
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no Moose; |
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1; |
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161
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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::Element::Pod5::Region - a region of Pod (this role likely to be removed) |
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171
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=head1 VERSION |
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173
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version 0.103006 |
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175
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=head1 OVERVIEW |
176
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177
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A Pod5::Region element represents a region marked by a C<=for> command or a |
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pair of C<=begin> and C<=end> commands. It may have content of its own as well |
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as child paragraphs. |
180
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181
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Its C<as_pod_string> method will emit either a C<=begin/=end>-enclosed string |
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or a C<=for> command, based on whichever is permissible. |
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184
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=head1 PERL VERSION |
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186
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This library should run on perls released even a long time ago. It should work |
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on any version of perl released in the last five years. |
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189
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Although it may work on older versions of perl, no guarantee is made that the |
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minimum required version will not be increased. The version may be increased |
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for any reason, and there is no promise that patches will be accepted to lower |
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the minimum required perl. |
193
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194
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=head1 ATTRIBUTES |
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196
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=head2 format_name |
197
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198
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This is the format to which the region was targeted. |
199
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200
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B<Note!> The format name should I<not> include the leading colon to indicate a |
201
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pod paragraph. For that, see C<L</is_pod>>. |
202
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203
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=head2 is_pod |
204
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205
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If true, this region contains pod (ordinary or verbatim) paragraphs, as opposed |
206
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to data paragraphs. This will generally result from the document originating |
207
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in a C<=begin> block with a colon-prefixed target identifier: |
208
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209
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=begin :html |
210
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211
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This is still a verbatim paragraph. |
212
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213
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=end :html |
214
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215
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=head1 WARNING |
216
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217
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This class is somewhat sketchy and may be refactored somewhat in the future, |
218
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specifically to refactor its similarities to |
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L<Pod::Elemental::Element::Nested>. |
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=head1 AUTHOR |
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Ricardo SIGNES <cpan@semiotic.systems> |
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=head1 COPYRIGHT AND LICENSE |
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This software is copyright (c) 2022 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 |