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[dh-make-perl] / dev / i386 / libperl-critic-perl / libperl-critic-perl-1.088 / lib / Perl / Critic / Policy / ValuesAndExpressions / ProhibitVersionStrings.pm

diff --git a/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/ValuesAndExpressions/ProhibitVersionStrings.pm b/dev/i386/libperl-critic-perl/libperl-critic-perl-1.088/lib/Perl/Critic/Policy/ValuesAndExpressions/ProhibitVersionStrings.pm
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+##############################################################################
+#      $URL: http://perlcritic.tigris.org/svn/perlcritic/trunk/Perl-Critic/lib/Perl/Critic/Policy/ValuesAndExpressions/ProhibitVersionStrings.pm $
+#     $Date: 2008-07-03 10:19:10 -0500 (Thu, 03 Jul 2008) $
+#   $Author: clonezone $
+# $Revision: 2489 $
+##############################################################################
+
+package Perl::Critic::Policy::ValuesAndExpressions::ProhibitVersionStrings;
+
+use 5.006001;
+use strict;
+use warnings;
+use Readonly;
+
+use Perl::Critic::Utils qw{ :severities };
+use base 'Perl::Critic::Policy';
+
+our $VERSION = '1.088';
+
+#-----------------------------------------------------------------------------
+
+Readonly::Scalar my $DESC => q{Version string used};
+Readonly::Scalar my $EXPL => q{Use a real number instead};
+
+#-----------------------------------------------------------------------------
+
+sub supported_parameters { return ()                        }
+sub default_severity     { return $SEVERITY_MEDIUM          }
+sub default_themes       { return qw(core pbp maintenance)  }
+sub applies_to           { return 'PPI::Statement::Include' }
+
+#-----------------------------------------------------------------------------
+
+sub violates {
+    my ( $self, $elem, undef ) = @_;
+    if (
+        (
+                $elem->type() eq 'use'
+            or  $elem->type() eq 'require'
+        )
+        and $elem->module ne 'lib'
+    ) {
+        #This is a pretty crude way to verify that a version string is
+        #being used.  But there are several permutations of the syntax
+        #for C<use> and C<require>.  Also PPI doesn't parses strings
+        #like "5.6.1" as an integer that is being concatenated to a
+        #float.  I'm not sure if this should be reported as a bug.
+
+        if ( $elem =~ m{ \b v? \d+ [.] \d+ [.] \d+ \b }mx ) {
+            return $self->violation( $DESC, $EXPL, $elem );
+        }
+    }
+    return;    #ok!
+}
+
+1;
+
+__END__
+
+#-----------------------------------------------------------------------------
+
+=pod
+
+=head1 NAME
+
+Perl::Critic::Policy::ValuesAndExpressions::ProhibitVersionStrings - Don't use strings like C<v1.4> or C<1.4.5> when including other modules.
+
+=head1 AFFILIATION
+
+This Policy is part of the core L<Perl::Critic> distribution.
+
+
+=head1 DESCRIPTION
+
+Whenever you C<use> or C<require> a module, you can specify a minimum
+version requirement.  To ensure compatibility with older Perls, this
+version number should be expressed as a floating-point number.  Do not
+use v-strings or three-part numbers.  The Perl convention for expressing
+version numbers as floats is: version + (patch level / 1000).
+
+  use Foo v1.2    qw(foo bar);  # not ok
+  use Foo 1.2.03  qw(foo bar);  # not ok
+  use Foo 1.00203 qw(foo bar);  # ok
+
+
+=head1 CONFIGURATION
+
+This Policy is not configurable except for the standard options.
+
+
+=head1 AUTHOR
+
+Jeffrey Ryan Thalhammer <thaljef@cpan.org>
+
+=head1 COPYRIGHT
+
+Copyright (c) 2005-2008 Jeffrey Ryan Thalhammer.  All rights reserved.
+
+This program is free software; you can redistribute it and/or modify
+it under the same terms as Perl itself.  The full text of this license
+can be found in the LICENSE file included with this module.
+
+=cut
+
+# Local Variables:
+#   mode: cperl
+#   cperl-indent-level: 4
+#   fill-column: 78
+#   indent-tabs-mode: nil
+#   c-indentation-style: bsd
+# End:
+# ex: set ts=8 sts=4 sw=4 tw=78 ft=perl expandtab shiftround :