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#!/usr/bin/env perl |
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=head1 NAME |
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C<PickLE::Category> - Representation of a category in a pick list |
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=cut |
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use strict; |
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use warnings; |
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use Carp; |
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use Moo; |
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=head1 ATTRIBUTES |
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=over 4 |
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=item I<name> |
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Name of the category. |
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=cut |
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has name => ( |
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is => 'rw', |
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); |
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=item I<components> |
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List of components to be picked from this category. |
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=cut |
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has components => ( |
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is => 'ro', |
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lazy => 1, |
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default => sub { [] }, |
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writer => '_set_components' |
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); |
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=back |
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=head1 METHODS |
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=over 4 |
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=item I<$category> = C<PickLE::Category>->C<new>([I<name>, I<components>]) |
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Initializes a pick list category object with a I<name> and some I<components>. |
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=item I<$category> = C<PickLE::Category>->C<from_line>(I<$line>) |
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=item I<$category> = I<$category>->C<from_line>(I<$line>) |
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This method can be called statically, in which it will initialize a brand new |
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category object or in object context in which it'll override just the attributes |
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of the object and leave the instance intact. |
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In both variants it'll parse a category I<$line> from a document and populate |
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the object. Will return C<undef> if we couldn't parse a category from the given |
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line. |
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=cut |
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my ($self, $line) = @_; |
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$self = $self->new() unless ref $self; |
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# Try to parse the category line. |
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if ($line =~ /(?<name>[^:]+):\s*/) { |
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# Populate our object. |
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$self->name($+{name}); |
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return $self; |
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} |
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# Looks like the category line couldn't be parsed. |
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return undef; |
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} |
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=item I<$category>->C<add_component>(I<@component>) |
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Adds any number of components in the form of L<PickLE::Component> objects to the |
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category. |
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=cut |
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my $self = shift; |
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# Go through components adding them to the components list. |
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foreach my $component (@_) { |
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push @{$self->components}, $component; |
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} |
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} |
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=item I<$category>->C<foreach_component>(I<$coderef>) |
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Executes a block of code (I<$coderef>) for each component available in this |
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category. The component object will be passed as the first argument. |
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=cut |
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my ($self, $coderef) = @_; |
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# Go through the components. |
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foreach my $component (@{$self->components}) { |
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$coderef->($component); |
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} |
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} |
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=item I<$str> = I<$category>->C<as_string>() |
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Gets the string representation of this object. Won't include any of the |
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associated components and will return an empty string if a I<name> isn't |
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defined. |
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=cut |
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my ($self) = @_; |
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# Check if we have a name. |
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if (not defined $self->name) { |
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carp "Category can't be represented because the name is not defined"; |
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return ''; |
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} |
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# Properly populated category. |
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return $self->name . ':'; |
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} |
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1; |
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=back |
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=head1 AUTHOR |
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Nathan Campos <nathan@innoveworkshop.com> |
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=head1 COPYRIGHT |
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Copyright (c) 2022- Nathan Campos. |
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=cut |