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67 lines
1.0 KiB
Perl
67 lines
1.0 KiB
Perl
package KasmVNC::Utils;
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use strict;
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use warnings;
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use v5.10;
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use Data::Dumper;
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use Switch;
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use Exporter;
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@KasmVNC::Utils::ISA = qw(Exporter);
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our @EXPORT = ('listify', 'flatten', 'isBlank', 'isPresent', 'deriveBoolean',
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'printStackTrace');
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sub listify {
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# Implementation based on Hyper::Functions
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if (scalar @_ > 1) {
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return [ @_ ];
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} elsif (defined $_[0]) {
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my $ref_type = ref $_[0];
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return ($ref_type && $ref_type eq 'ARRAY') ? $_[0] : [ $_[0] ];
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} else {
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return [];
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}
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}
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sub flatten {
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map { ref $_ ? flatten(@{$_}) : $_ } @_;
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}
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sub isBlank {
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!isPresent(shift);
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}
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sub isPresent {
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my $value = shift;
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if (ref($value) eq "HASH") {
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return scalar(keys %$value) > 0;
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}
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defined($value);
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}
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sub deriveBoolean {
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my $value = shift;
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switch($value) {
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case 'true' {
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return 1;
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}
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case 'false' {
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return 0;
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}
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else {
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return $value;
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}
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}
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}
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sub printStackTrace {
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my $trace = Devel::StackTrace->new;
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print { *STDERR } $trace->as_string;
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}
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1;
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