File Coverage

blib/lib/Error/Pure/HTTP/Print.pm

Criterion	Covered	Total	%
statement	29	39	74.3
branch	4	10	40.0
condition	1	3	33.3
subroutine	8	8	100.0
pod	1	1	100.0
total	43	61	70.4

package Error::Pure::HTTP::Print;

use base qw(Exporter);
use strict;
use warnings;

use Error::Pure::Utils qw(err_helper);
use List::MoreUtils qw(none);
use Readonly;

# Constants.
Readonly::Array our @EXPORT_OK => qw(err);
Readonly::Scalar my $EMPTY_STR => q{};
Readonly::Scalar my $EVAL => 'eval {...}';

# Version.
our $VERSION = 0.15;

# Ignore die signal.
$SIG{__DIE__} = 'IGNORE';

# Process error.
sub err {
	my @msg = @_;

	# Get errors structure.
	my @errors = err_helper(@msg);

	# Error message.
	my $e = $errors[-1]->{'msg'}->[0];
	if (! defined $e) {
		$e = 'undef';
	} else {
		chomp $e;
	}

	# Finalize in main on last err.
	my $stack_ar = $errors[-1]->{'stack'};
	if ($stack_ar->[-1]->{'class'} eq 'main'
		&& none { $_ eq $EVAL || $_ =~ /^eval '/ms }
		map { $_->{'sub'} } @{$stack_ar}) {

		my $class = $errors[-1]->{'stack'}->[0]->{'class'};
		if ($class eq 'main') {
			$class = $EMPTY_STR
		}
		if ($class) {
			$class .= ': ';
		}
		print "Content-type: text/plain\n\n";
		print $class."$e\n";
		return;

	# Die for eval.
	} else {
		die "$e\n";
	}

	return;
}

1;

__END__