/usr/share/perl5/XML/Feed/Entry/Format/RSS.pm is in libxml-feed-perl 0.53+dfsg-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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 | package XML::Feed::Entry::Format::RSS;
use strict;
use warnings;
our $VERSION = '0.53';
sub format { 'RSS ' . $_[0]->{'_version'} }
use XML::Feed::Content;
use base qw( XML::Feed::Entry );
sub init_empty { $_[0]->{entry} = { } }
sub base {
my $entry = shift;
@_ ? $entry->{entry}->{'xml:base'} = $_[0] : $entry->{entry}->{'xml:base'};
}
sub title {
my $entry = shift;
@_ ? $entry->{entry}{title} = $_[0] : $entry->{entry}{title};
}
sub link {
my $entry = shift;
if (@_) {
$entry->{entry}{link} = $_[0];
## For RSS 2.0 output from XML::RSS. Sigh.
$entry->{entry}{permaLink} = $_[0];
} else {
my $link = $entry->{entry}{link} ||
$entry->{entry}{permaLink} ||
$entry->{entry}{guid};
if (defined $link) {
$link =~ s/^\s+//;
$link =~ s/\s+$//;
}
return $link;
}
}
sub summary {
my $item = shift->{entry};
if (@_) {
$item->{description} = ref($_[0]) eq 'XML::Feed::Content' ?
$_[0]->body : $_[0];
## Because of the logic below, we need to add some dummy content,
## so that we'll properly recognize the description we enter as
## the summary.
if (!$item->{content}{encoded} &&
!$item->{'http://www.w3.org/1999/xhtml'}{body}) {
$item->{content}{encoded} = ' ';
}
} else {
## Some RSS feeds use <description> for a summary, and some use it
## for the full content. Pretty gross. We don't want to return the
## full content if the caller expects a summary, so the heuristic is:
## if the <entry> contains both a <description> and one of the elements
## typically used for the full content, use <description> as summary.
my $txt;
if ($item->{description} &&
($item->{content}{encoded} ||
$item->{'http://www.w3.org/1999/xhtml'}{body})) {
$txt = $item->{description};
## Blogspot's 'short' RSS feeds do this in the Atom namespace
## for no obviously good reason.
} elsif ($item->{'http://www.w3.org/2005/Atom'}{summary}) {
$txt = $item->{'http://www.w3.org/2005/Atom'}{summary};
}
XML::Feed::Content->wrap({ type => 'text/plain', body => $txt });
}
}
sub content {
my $item = shift->{entry};
if (@_) {
my $c;
if (ref($_[0]) eq 'XML::Feed::Content') {
if (defined $_[0]->base) {
$c = { 'content' => $_[0]->body, 'xml:base' => $_[0]->base };
} else {
$c = $_[0]->body;
}
} else {
$c = $_[0];
}
$item->{content}{encoded} = $c;
} else {
my $base;
my $body =
(ref $item->{content}? $item->{content}{encoded} : $item->{content}) ||
$item->{'http://www.w3.org/1999/xhtml'}{body} ||
$item->{description};
if ('HASH' eq ref($body)) {
$base = $body->{'xml:base'};
$body = $body->{content};
}
XML::Feed::Content->wrap({ type => 'text/html', body => $body, base => $base });
}
}
sub category {
my $entry = shift;
my $item = $entry->{entry};
if (@_) {
my @tmp = ($entry->category, @_);
$item->{category} = [@tmp];
$item->{dc}{subject} = [@tmp];
} else {
my $r = $item->{category} || $item->{dc}{subject};
my @r = ref($r) eq 'ARRAY' ? @$r : defined $r? ($r) : ();
return wantarray? @r : $r[0];
}
}
sub author {
my $item = shift->{entry};
if (@_) {
$item->{author} = $item->{dc}{creator} = $_[0];
} else {
$item->{author} || $item->{dc}{creator};
}
}
## XML::RSS doesn't give us access to the rdf:about for the <item>,
## so we have to fall back to the <link> element in RSS 1.0 feeds.
sub id {
my $item = shift->{entry};
if (@_) {
$item->{guid} = $_[0];
} else {
$item->{guid} || $item->{link};
}
}
sub issued {
my $item = shift->{entry};
if (@_) {
$item->{dc}{date} = DateTime::Format::W3CDTF->format_datetime($_[0]);
$item->{pubDate} = DateTime::Format::Mail->format_datetime($_[0]);
} else {
## Either of these could die if the format is invalid.
my $date;
eval {
if (my $ts = $item->{pubDate}) {
my $parser = DateTime::Format::Mail->new;
$parser->loose;
$ts =~ s/^\s+//;
$ts =~ s/\s+$//;
$date = $parser->parse_datetime($ts);
} elsif ($ts = $item->{dc}{date} or $ts = $item->{dcterms}{date}) {
$ts =~ s/^\s+//;
$ts =~ s/\s+$//;
$date = DateTime::Format::W3CDTF->parse_datetime($ts);
}
};
return $date;
}
}
sub modified {
my $item = shift->{entry};
if (@_) {
$item->{dcterms}{modified} =
DateTime::Format::W3CDTF->format_datetime($_[0]);
} else {
if (my $ts = $item->{dcterms}{modified} ||
$item->{'http://www.w3.org/2005/Atom'}{updated}) {
$ts =~ s/^\s+//;
$ts =~ s/\s+$//;
return eval { DateTime::Format::W3CDTF->parse_datetime($ts) } || eval { XML::Atom::Util::iso2dt($ts) };
}
}
}
sub lat {
my $item = shift->{entry};
if (@_) {
$item->{geo}{lat} = $_[0];
} else {
return $item->{geo}{lat};
}
}
sub long {
my $item = shift->{entry};
if (@_) {
$item->{geo}{long} = $_[0];
} else {
return $item->{geo}{long};
}
}
sub enclosure {
my $entry = shift;
if (@_) {
my $enclosure = shift;
my $val = {
url => $enclosure->{url},
type => $enclosure->{type},
length => $enclosure->{length}
};
if ($XML::Feed::MULTIPLE_ENCLOSURES) {
push @{$entry->{entry}->{enclosure}}, $val;
} else {
$entry->{entry}->{enclosure} = $val;
}
} else {
my $tmp = $entry->{entry}->{enclosure};
if (defined $tmp) {
my @encs = map { XML::Feed::Enclosure->new($_) }
(ref $tmp eq 'ARRAY')? @$tmp : ($tmp);
return ($XML::Feed::MULTIPLE_ENCLOSURES)? @encs : $encs[-1];
}
return;
}
}
1;
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