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package Perl::Critic::Policy::ValuesAndExpressions::ProhibitAccessOfPrivateData; |
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use strict; |
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use warnings; |
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use Readonly; |
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use Perl::Critic::Utils qw{ :severities }; |
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use base 'Perl::Critic::Policy'; |
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use version; our $VERSION = qv('v1.0.0'); |
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Readonly::Scalar my $DESC => |
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q(Private Member Data shouldn't be accessed directly.); |
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Readonly::Scalar my $EXPL => |
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q(Accessing an objects data directly breaks encapsulation and ) |
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. q(should be avoided. Example: $object->{ some_key }); |
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sub supported_parameters { return; } |
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sub default_severity { return $SEVERITY_HIGHEST; } |
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sub default_themes { return qw/nits maintenance/; } |
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sub applies_to { return qw/PPI::Token::Symbol/; } |
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sub violates { |
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my( $self, $element, $document ) = @_; |
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return unless $element->isa('PPI::Token::Symbol'); |
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my $sibling = $element->snext_sibling(); |
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return unless $sibling; |
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return |
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unless( $sibling->isa('PPI::Token::Operator') |
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&& $sibling eq '->' ); |
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while( my $next_sibling = $sibling->snext_sibling() ) { |
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return |
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if $next_sibling->isa('PPI::Token::Structure') |
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&& $next_sibling eq q(;); |
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if( $next_sibling->isa('PPI::Structure::Subscript') |
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&& $element !~ m/(?:self|class|package)/ ) { |
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return $self->violation( $DESC, $EXPL, $element, ); |
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} |
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$sibling = $next_sibling; |
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} |
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return; |
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} |
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1; |
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__END__ |
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=pod |
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=head1 NAME |
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Perl::Critic::Policy::ValuesAndExpressions::ProhibitAccessOfPrivateData |
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=head1 AFFILIATION |
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This policy is part of L<Perl::Critic::Nits>. |
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=head1 VERSION |
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This document describes Perl::Critic::Policy::ValuesAndExpressions::ProhibitAccessOfPrivateData version 1.0.0 |
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=head1 SYNOPSIS |
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Requires that modules and scripts do not break encapsulation by directly |
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accessing the contents of hash-based objects. |
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=head1 DESCRIPTION |
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Accessing an objects data directly breaks encapsulation and |
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should be avoided. Example: $object->{ some_key }. |
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Care should be taken to only access private data via the getter and |
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setter methods provided by the class. |
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=head1 INTERFACE |
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Stadard for a L<Perl::Critic::Policy>. |
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=head1 DIAGNOSTICS |
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None. |
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=head1 CONFIGURATION AND ENVIRONMENT |
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This policy has no configuration options beyond the standard ones. |
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=head1 DEPENDENCIES |
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L<Perl::Critic> |
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=head1 INCOMPATIBILITIES |
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None reported. |
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=head1 BUGS AND LIMITATIONS |
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No bugs have been reported. |
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False positives may be encountered if, internal to a module, the code does |
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not use $self, $class, or $package to refer to the object it represents. |
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Please report any bugs or feature requests to |
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C<bug-perl-critic-nits@rt.cpan.org>, or through the web interface at |
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L<http://rt.cpan.org>. |
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108
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=head1 AUTHOR |
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Kent Cowgill, C<< <kent@c2group.net> >> |
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=head1 LICENSE AND COPYRIGHT |
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Copyright (c) 2007, Kent Cowgill C<< <kent@c2group.net> >>. |
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All rights reserved. |
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This module is free software; you can redistribute it and/or modify it under |
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the same terms as Perl itself. See L<perlartistic>. |
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120
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=cut |
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122
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# setup vim: set filetype=perl tabstop=4 softtabstop=4 expandtab : |
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# setup vim: set shiftwidth=3 textwidth=78 nowrap autoindent : |