/usr/share/perl5/Atompub/MediaType.pm is in libatompub-perl 0.3.7-3.
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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | package Atompub::MediaType;
use strict;
use warnings;
use Atompub;
use MIME::Types;
use Perl6::Export::Attrs;
use base qw(Class::Accessor::Fast);
my %ATOM_TYPE = (
entry => 'application/atom+xml;type=entry',
feed => 'application/atom+xml;type=feed',
service => 'application/atomsvc+xml',
categories => 'application/atomcat+xml',
);
__PACKAGE__->mk_accessors(qw(type subtype parameters));
use overload (
q{""} => \&as_string,
eq => \&is_a,
ne => \&is_not_a,
fallback => 1,
);
sub new {
my($class, $arg) = @_;
my $media_type = $ATOM_TYPE{$arg} || $arg or return;
my($type, $subtype, $param) = split m{[/;]}, $media_type;
bless {
type => $type,
subtype => $subtype,
parameters => $param,
}, $class;
}
sub media_type :Export { __PACKAGE__->new(@_) }
sub subtype_major {
my($self) = @_;
$self->subtype =~ /\+(.+)/ ? $1 : $self->subtype;
}
sub without_parameters {
my($self) = @_;
join '/', $self->type, $self->subtype;
}
sub as_string {
my($self) = @_;
join ';', grep { defined $_ } $self->without_parameters, $self->parameters;
}
sub extensions {
my($self) = @_;
my $mime = MIME::Types->new->type($self->without_parameters) or return;
my @exts = $mime->extensions;
wantarray ? @exts : $exts[0];
}
sub extension { scalar shift->extensions }
sub is_a {
my($self, $test) = @_;
$test = __PACKAGE__->new($test) unless UNIVERSAL::isa($test, __PACKAGE__);
return 1 if $test->type eq '*';
return 0 unless $test->type eq $self->type;
return 1 if $test->subtype eq '*';
if ($test->subtype eq $test->subtype_major) { # ex. application/xml
return 0 unless $test->subtype_major eq $self->subtype_major;
}
else { # ex. application/atom+xml
return 0 unless $test->subtype eq $self->subtype;
}
return 1 if ! $test->parameters || ! $self->parameters;
return $test->parameters eq $self->parameters;
}
sub is_not_a {
my($self, @args) = @_;
!$self->is_a(@args);
}
1;
__END__
=head1 NAME
Atompub::MediaType - a media type object for the Atom Publishing Protocol
=head1 SYNOPSIS
use Atompub::MediaType qw(media_type);
my $type = media_type('image/png');
"$type"; # 'image/png'
$type->type; # 'image'
$type->subtype; # 'png'
$type->extension; # 'png'
$type->is_a('image/*'); # true
$type->is_a('image/gif'); # false
my $type = media_type('entry');
"$type"; # 'application/atom+xml;type=entry'
$type->type; # 'application'
$type->subtype; # 'atom+xml'
$type->parameters; # 'type=entry'
$type->subtype_major; # 'xml'
$type->extension; # 'atom'
$type->is_a('application/xml'); # true
$type->is_a('feed'); # false
=head1 METHODS
=head2 Atompub::MediaType->new([ $type ])
Returns a media type object representing the time $type.
$type is string representing media type like 'image/png'.
Some aliases are defined for Atom, 'entry', 'feed', 'service', and 'categories'.
=head2 media_type([ $str ])
Alias for Atompub::MediaType->new
=head2 $type->type
=head2 $type->subtype
=head2 $type->parameters
=head2 $type->subtype_major
=head2 $type->extensions
=head2 $type->extension
=head2 $type->is_a
=head2 $type->is_not_a
=head2 $type->as_string
=head2 $type->without_parameters
=head1 SEE ALSO
L<Atompub>
=head1 AUTHOR
Takeru INOUE, E<lt>takeru.inoue _ gmail.comE<gt>
=head1 LICENCE AND COPYRIGHT
Copyright (c) 2007, Takeru INOUE C<< <takeru.inoue _ gmail.com> >>. All rights reserved.
This module is free software; you can redistribute it and/or
modify it under the same terms as Perl itself. See L<perlartistic>.
=head1 DISCLAIMER OF WARRANTY
BECAUSE THIS SOFTWARE IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
FOR THE SOFTWARE, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE SOFTWARE "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER
EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE SOFTWARE IS WITH
YOU. SHOULD THE SOFTWARE PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
NECESSARY SERVICING, REPAIR, OR CORRECTION.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
REDISTRIBUTE THE SOFTWARE AS PERMITTED BY THE ABOVE LICENCE, BE
LIABLE TO YOU FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL,
OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE
THE SOFTWARE (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
FAILURE OF THE SOFTWARE TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
SUCH DAMAGES.
=cut
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