/usr/share/perl5/Courriel/Role/HeaderWithAttributes.pm is in libcourriel-perl 0.45-1.
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 | package Courriel::Role::HeaderWithAttributes;
use strict;
use warnings;
use namespace::autoclean;
our $VERSION = '0.45';
use Courriel::HeaderAttribute;
use Courriel::Helpers qw( parse_header_with_attributes );
use Courriel::Types qw( HashRef NonEmptyStr );
use Params::ValidationCompiler qw( validation_for );
use Scalar::Util qw( blessed reftype );
use MooseX::Role::Parameterized;
parameter main_value_key => (
isa => NonEmptyStr,
required => 1,
);
parameter main_value_method => (
isa => NonEmptyStr,
);
has _attributes => (
traits => ['Hash'],
is => 'ro',
isa => HashRef ['Courriel::HeaderAttribute'],
init_arg => 'attributes',
default => sub { {} },
handles => {
attributes => 'elements',
_attribute => 'get',
_set_attribute => 'set',
_has_attributes => 'count',
},
);
around BUILDARGS => sub {
my $orig = shift;
my $class = shift;
my $p = $class->$orig(@_);
return $p
unless $p->{attributes} && reftype( $p->{attributes} ) eq 'HASH';
for my $name ( keys %{ $p->{attributes} } ) {
my $lc_name = lc $name;
$p->{attributes}{$lc_name} = delete $p->{attributes}{$name};
next if blessed( $p->{attributes}{$lc_name} );
$p->{attributes}{$lc_name} = Courriel::HeaderAttribute->new(
name => $name,
value => $p->{attributes}{$name},
);
}
return $p;
};
sub attribute {
my $self = shift;
my $key = shift;
return unless defined $key;
return $self->_attribute( lc $key );
}
{
my $validator = validation_for(
params => [ { type => NonEmptyStr } ],
);
sub attribute_value {
my $self = shift;
my ($name) = $validator->(@_);
my $attr = $self->attribute($name);
return $attr ? $attr->value : undef;
}
}
sub _attributes_as_string {
my $self = shift;
my $attr = $self->_attributes;
return join '; ', map { $attr->{$_}->as_string } sort keys %{$attr};
}
{
my $validator = validation_for(
params => [
name => { type => NonEmptyStr, optional => 1 },
value => { type => NonEmptyStr },
],
named_to_list => 1,
);
role {
my $p = shift;
my $main_value_key = $p->main_value_key;
method new_from_value => sub {
my $class = shift;
my ( $name, $value ) = $validator->(@_);
my ( $main_value, $attributes )
= parse_header_with_attributes($value);
my %p = (
value => $value,
$main_value_key => $main_value,
attributes => $attributes,
);
$p{name} = $name if defined $name;
return $class->new(%p);
};
my $main_value_meth = $p->main_value_method || $p->main_value_key;
method as_header_value => sub {
my $self = shift;
my $string = $self->$main_value_meth;
if ( $self->_has_attributes ) {
$string .= '; ';
$string .= $self->_attributes_as_string;
}
return $string;
};
}
}
1;
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