/usr/share/perl5/URI/file/Mac.pm is in liburi-perl 1.60-1.
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 | package URI::file::Mac;
require URI::file::Base;
@ISA=qw(URI::file::Base);
use strict;
use URI::Escape qw(uri_unescape);
sub _file_extract_path
{
my $class = shift;
my $path = shift;
my @pre;
if ($path =~ s/^(:+)//) {
if (length($1) == 1) {
@pre = (".") unless length($path);
} else {
@pre = ("..") x (length($1) - 1);
}
} else { #absolute
$pre[0] = "";
}
my $isdir = ($path =~ s/:$//);
$path =~ s,([%/;]), URI::Escape::escape_char($1),eg;
my @path = split(/:/, $path, -1);
for (@path) {
if ($_ eq "." || $_ eq "..") {
$_ = "%2E" x length($_);
}
$_ = ".." unless length($_);
}
push (@path,"") if $isdir;
(join("/", @pre, @path), 1);
}
sub file
{
my $class = shift;
my $uri = shift;
my @path;
my $auth = $uri->authority;
if (defined $auth) {
if (lc($auth) ne "localhost" && $auth ne "") {
my $u_auth = uri_unescape($auth);
if (!$class->_file_is_localhost($u_auth)) {
# some other host (use it as volume name)
@path = ("", $auth);
# XXX or just return to make it illegal;
}
}
}
my @ps = split("/", $uri->path, -1);
shift @ps if @path;
push(@path, @ps);
my $pre = "";
if (!@path) {
return; # empty path; XXX return ":" instead?
} elsif ($path[0] eq "") {
# absolute
shift(@path);
if (@path == 1) {
return if $path[0] eq ""; # not root directory
push(@path, ""); # volume only, effectively append ":"
}
@ps = @path;
@path = ();
my $part;
for (@ps) { #fix up "." and "..", including interior, in relatives
next if $_ eq ".";
$part = $_ eq ".." ? "" : $_;
push(@path,$part);
}
if ($ps[-1] eq "..") { #if this happens, we need another :
push(@path,"");
}
} else {
$pre = ":";
@ps = @path;
@path = ();
my $part;
for (@ps) { #fix up "." and "..", including interior, in relatives
next if $_ eq ".";
$part = $_ eq ".." ? "" : $_;
push(@path,$part);
}
if ($ps[-1] eq "..") { #if this happens, we need another :
push(@path,"");
}
}
return unless $pre || @path;
for (@path) {
s/;.*//; # get rid of parameters
#return unless length; # XXX
$_ = uri_unescape($_);
return if /\0/;
return if /:/; # Should we?
}
$pre . join(":", @path);
}
sub dir
{
my $class = shift;
my $path = $class->file(@_);
return unless defined $path;
$path .= ":" unless $path =~ /:$/;
$path;
}
1;
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