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=head1 NAME |
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Declare::Constraints::Simple::Result - Validation Result |
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=cut |
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package Declare::Constraints::Simple::Result; |
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use warnings; |
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use strict; |
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use overload |
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bool => \&is_valid, |
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fallback => 1; |
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=head1 SYNOPSIS |
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my $result = $constraint->($value); |
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my $message = $result->message; |
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my $path = $result->path; |
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=head1 DESCRIPTION |
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This represents a result returned by a L |
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constraint. Objects of this kind overload their boolean context, so the |
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value of the L accessor is reflected to it. |
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=cut |
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my %init = ( |
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message => '', |
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valid => 0, |
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); |
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=head1 METHODS |
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=head2 new() |
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Constructor. As you will mostly just receive result objects, you should |
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never be required to call this yourself. |
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=cut |
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sub new { bless {%init, stack => []} => shift } |
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=head2 set_valid($bool) |
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Sets the results validity flag. |
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=head2 is_valid() |
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Boolean accessor telling if this is a true result or not. |
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=cut |
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sub set_valid { $_[0]->{valid} = $_[1] } |
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sub is_valid { shift->{valid} } |
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=head2 set_message($message) |
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The error message. Useful only on non-valid results. |
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=head2 message() |
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Returns the message of the result object. |
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=cut |
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sub set_message { $_[0]->{message} = $_[1] } |
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sub message { shift->{message} } |
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=head2 add_to_stack($constraint_name) |
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This adds another level at the beginning (!) of the results constraint |
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stack. This is mostly intended to use for the Cmethod |
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in L package. |
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=head2 path([$separator]) |
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Returns a string containing the L contents joined together by |
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the C<$separator> string (defaulting to C<.>). |
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=cut |
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85
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1
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sub add_to_stack { unshift @{shift->{stack}}, shift } |
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sub path { join( ($_[1]||'.'), @{$_[0]->stack} ) } |
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=head2 stack() |
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Returns an array reference containing the results currrent stack. This |
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is a list of the constraints path parts. This is usually just the |
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constraints name. If there's additional info, it is appended to the |
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name like C<[$info]>. |
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=cut |
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sub stack { $_[0]->{stack} } |
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=head1 SEE ALSO |
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L |
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=head1 AUTHOR |
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105
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Robert 'phaylon' Sedlacek Cphaylon@dunkelheit.atE> |
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=head1 LICENSE AND COPYRIGHT |
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This module is free software, you can redistribute it and/or modify it |
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under the same terms as perl itself. |
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112
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=cut |
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114
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1; |