File Coverage

blib/lib/WWW/Shopify/Liquid/Tag/Decrement.pm

Criterion	Covered	Total	%
statement	12	31	38.7
branch	0	14	0.0
condition	0	15	0.0
subroutine	4	8	50.0
pod	0	4	0.0
total	16	72	22.2

#!/usr/bin/perl
use strict;
use warnings;

package WWW::Shopify::Liquid::Tag::Decrement;
use base 'WWW::Shopify::Liquid::Tag::Free';
sub max_arguments { return 1; }
sub min_arguments { return 1; }
sub verify {
	my ($self) = @_;
	die new WWW::Shopify::Liquid::Exception::Parser::Arguments($self, "Requires variable to decrement.") unless
		$self->{arguments}->[0]->isa('WWW::Shopify::Liquid::Token::Variable');
}
use Scalar::Util qw(looks_like_number);
sub process {
	my ($self, $hash, $action, $pipeline) = @_;
	my @vars = map { $self->is_processed($_) ? $_ : $_->$action($pipeline, $hash) } @{$self->{arguments}->[0]->{core}};

	my $inner_hash = $hash;
	for (0..$#vars-1) {
		return $self if ref($inner_hash) && ref($inner_hash) eq "HASH" && !exists $inner_hash->{$vars[$_]} && $action eq 'optimize';
		if (looks_like_number($vars[$_]) && ref($inner_hash) && ref($inner_hash) eq "ARRAY") {
			$inner_hash->[$vars[$_]] = {} if !defined $inner_hash->[$vars[$_]];
			$inner_hash = $inner_hash->[$vars[$_]];
		} else {
			$inner_hash->{$vars[$_]} = {} if !exists $inner_hash->{$vars[$_]};
			$inner_hash = $inner_hash->{$vars[$_]};
		}
	}
	if (looks_like_number($inner_hash->{$vars[-1]})) {
		$inner_hash->{$vars[-1]}--;
	}
	return '';

}



1;