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package par2script::existence;

#############################
# Test of existence
#############################

sub exists_in_array
{
	my ($searchstring, $arrayref) = @_;

	my $alreadyexists = 0;
	
	for ( my $i = 0; $i <= $#{$arrayref}; $i++ )
	{
		if ( ${$arrayref}[$i] eq $searchstring)
		{
			$alreadyexists = 1;
			last;
		}
	}
	
	return $alreadyexists;
}

sub exists_in_array_of_hashes
{
	my ($searchkey, $searchvalue, $arrayref) = @_;

	my $hashref;
	my $valueexists = 0;

	for ( my $i = 0; $i <= $#{$arrayref}; $i++ )
	{
		$hashref = ${$arrayref}[$i];
		
		if ( $hashref->{$searchkey} eq $searchvalue )
		{
			$valueexists = 1;
			last;
		}
	}
	
	return $valueexists;
}

1;