/usr/share/perl5/Parse/Method/Signatures/Sig.pm is in libparse-method-signatures-perl 1.003014-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 | package Parse::Method::Signatures::Sig;
use Moose;
use MooseX::Types::Moose qw/HashRef/;
use Parse::Method::Signatures::Types qw/Param ParamCollection NamedParam/;
use List::MoreUtils qw/part/;
use namespace::clean -except => 'meta';
has invocant => (
is => 'ro',
does => Param,
predicate => 'has_invocant',
);
has _positional_params => (
is => 'ro',
isa => ParamCollection,
init_arg => 'positional_params',
predicate => 'has_positional_params',
coerce => 1,
handles => {
positional_params => 'params',
},
);
has _named_params => (
is => 'ro',
isa => ParamCollection,
init_arg => 'named_params',
predicate => 'has_named_params',
coerce => 1,
handles => {
named_params => 'params',
},
);
has _named_map => (
is => 'ro',
isa => HashRef[Param],
lazy_build => 1,
);
override BUILDARGS => sub {
my $args = super();
if (my $params = delete $args->{params}) {
my ($positional, $named) = part { NamedParam->check($_) ? 1 : 0 } @{ $params };
$args->{positional_params} = $positional if $positional;
$args->{named_params} = $named if $named;
}
return $args;
};
sub _build__named_map {
my ($self) = @_;
return {} unless $self->has_named_params;
return { map { $_->label => $_ } @{ $self->named_params } };
}
sub named_param {
my ($self, $name) = @_;
return $self->_named_map->{$name};
}
around has_positional_params => sub {
my $orig = shift;
my $ret = $orig->(@_);
return unless $ret;
my ($self) = @_;
return scalar @{ $self->positional_params };
};
around has_named_params => sub {
my $orig = shift;
my $ret = $orig->(@_);
return unless $ret;
my ($self) = @_;
return scalar @{ $self->named_params };
};
sub to_string {
my ($self) = @_;
my $ret = q{(};
if ($self->has_invocant) {
$ret .= $self->invocant->to_string;
$ret .= q{:};
if ($self->has_positional_params || $self->has_named_params) {
$ret .= q{ };
}
}
$ret .= $self->_positional_params->to_string if $self->has_positional_params;
$ret .= q{, } if $self->has_positional_params && $self->has_named_params;
$ret .= $self->_named_params->to_string if $self->has_named_params;
$ret .= q{)};
return $ret;
}
__PACKAGE__->meta->make_immutable;
1;
__END__
=head1 NAME
Parse::Method::Signatures::Sig - Method Signature
=head1 DESCRIPTION
Represents the parsed method signature.
=head1 ATTRIBUTES
=head2 invocant
=head2 named_params
A ParamCollection representing the name parameters of this signature.
=head2 positional_params
A ParamCollection representing the positional parameters of this signature.
=head1 METHODS
=head2 has_named_params
Predicate returning true if this signature has named parameters.
=head2 has_positional_params
Predicate returning true if this signature has positional parameters.
=head2 named_param
Returns the Param with the specified name.
=head2 to_string
Returns a string representation of this signature.
=head1 LICENSE
Licensed under the same terms as Perl itself.
=cut
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