Linux lhjmq-records 5.15.0-118-generic #128-Ubuntu SMP Fri Jul 5 09:28:59 UTC 2024 x86_64
Your IP : 18.227.134.165
package File::Basename;
# File::Basename is used during the Perl build, when the re extension may
# not be available, but we only actually need it if running under tainting.
BEGIN {
if (${^TAINT}) {
require re;
re->import('taint');
}
}
use strict;
use 5.006;
use warnings;
our(@ISA, @EXPORT, $VERSION, $Fileparse_fstype, $Fileparse_igncase);
require Exporter;
@ISA = qw(Exporter);
@EXPORT = qw(fileparse fileparse_set_fstype basename dirname);
$VERSION = "2.85";
fileparse_set_fstype($^O);
sub fileparse {
my($fullname,@suffices) = @_;
unless (defined $fullname) {
require Carp;
Carp::croak("fileparse(): need a valid pathname");
}
my $orig_type = '';
my($type,$igncase) = ($Fileparse_fstype, $Fileparse_igncase);
my($taint) = substr($fullname,0,0); # Is $fullname tainted?
if ($type eq "VMS" and $fullname =~ m{/} ) {
# We're doing Unix emulation
$orig_type = $type;
$type = 'Unix';
}
my($dirpath, $basename);
if (grep { $type eq $_ } qw(MSDOS DOS MSWin32 Epoc)) {
($dirpath,$basename) = ($fullname =~ /^((?:.*[:\\\/])?)(.*)/s);
$dirpath .= '.\\' unless $dirpath =~ /[\\\/]\z/;
}
elsif ($type eq "OS2") {
($dirpath,$basename) = ($fullname =~ m#^((?:.*[:\\/])?)(.*)#s);
$dirpath = './' unless $dirpath; # Can't be 0
$dirpath .= '/' unless $dirpath =~ m#[\\/]\z#;
}
elsif ($type eq "MacOS") {
($dirpath,$basename) = ($fullname =~ /^(.*:)?(.*)/s);
$dirpath = ':' unless $dirpath;
}
elsif ($type eq "AmigaOS") {
($dirpath,$basename) = ($fullname =~ /(.*[:\/])?(.*)/s);
$dirpath = './' unless $dirpath;
}
elsif ($type eq 'VMS' ) {
($dirpath,$basename) = ($fullname =~ /^(.*[:>\]])?(.*)/s);
$dirpath ||= ''; # should always be defined
}
else { # Default to Unix semantics.
($dirpath,$basename) = ($fullname =~ m{^(.*/)?(.*)}s);
if ($orig_type eq 'VMS' and $fullname =~ m{^(/[^/]+/000000(/|$))(.*)}) {
# dev:[000000] is top of VMS tree, similar to Unix '/'
# so strip it off and treat the rest as "normal"
my $devspec = $1;
my $remainder = $3;
($dirpath,$basename) = ($remainder =~ m{^(.*/)?(.*)}s);
$dirpath ||= ''; # should always be defined
$dirpath = $devspec.$dirpath;
}
$dirpath = './' unless $dirpath;
}
my $tail = '';
my $suffix = '';
if (@suffices) {
foreach $suffix (@suffices) {
my $pat = ($igncase ? '(?i)' : '') . "($suffix)\$";
if ($basename =~ s/$pat//s) {
$taint .= substr($suffix,0,0);
$tail = $1 . $tail;
}
}
}
# Ensure taint is propagated from the path to its pieces.
$tail .= $taint;
wantarray ? ($basename .= $taint, $dirpath .= $taint, $tail)
: ($basename .= $taint);
}
sub basename {
my($path) = shift;
# From BSD basename(1)
# The basename utility deletes any prefix ending with the last slash '/'
# character present in string (after first stripping trailing slashes)
_strip_trailing_sep($path);
my($basename, $dirname, $suffix) = fileparse( $path, map("\Q$_\E",@_) );
# From BSD basename(1)
# The suffix is not stripped if it is identical to the remaining
# characters in string.
if( length $suffix and !length $basename ) {
$basename = $suffix;
}
# Ensure that basename '/' == '/'
if( !length $basename ) {
$basename = $dirname;
}
return $basename;
}
sub dirname {
my $path = shift;
my($type) = $Fileparse_fstype;
if( $type eq 'VMS' and $path =~ m{/} ) {
# Parse as Unix
local($File::Basename::Fileparse_fstype) = '';
return dirname($path);
}
my($basename, $dirname) = fileparse($path);
if ($type eq 'VMS') {
$dirname ||= $ENV{DEFAULT};
}
elsif ($type eq 'MacOS') {
if( !length($basename) && $dirname !~ /^[^:]+:\z/) {
_strip_trailing_sep($dirname);
($basename,$dirname) = fileparse $dirname;
}
$dirname .= ":" unless $dirname =~ /:\z/;
}
elsif (grep { $type eq $_ } qw(MSDOS DOS MSWin32 OS2)) {
_strip_trailing_sep($dirname);
unless( length($basename) ) {
($basename,$dirname) = fileparse $dirname;
_strip_trailing_sep($dirname);
}
}
elsif ($type eq 'AmigaOS') {
if ( $dirname =~ /:\z/) { return $dirname }
chop $dirname;
$dirname =~ s{[^:/]+\z}{} unless length($basename);
}
else {
_strip_trailing_sep($dirname);
unless( length($basename) ) {
($basename,$dirname) = fileparse $dirname;
_strip_trailing_sep($dirname);
}
}
$dirname;
}
# Strip the trailing path separator.
sub _strip_trailing_sep {
my $type = $Fileparse_fstype;
if ($type eq 'MacOS') {
$_[0] =~ s/([^:]):\z/$1/s;
}
elsif (grep { $type eq $_ } qw(MSDOS DOS MSWin32 OS2)) {
$_[0] =~ s/([^:])[\\\/]*\z/$1/;
}
else {
$_[0] =~ s{(.)/*\z}{$1}s;
}
}
BEGIN {
my @Ignore_Case = qw(MacOS VMS AmigaOS OS2 RISCOS MSWin32 MSDOS DOS Epoc);
my @Types = (@Ignore_Case, qw(Unix));
sub fileparse_set_fstype {
my $old = $Fileparse_fstype;
if (@_) {
my $new_type = shift;
$Fileparse_fstype = 'Unix'; # default
foreach my $type (@Types) {
$Fileparse_fstype = $type if $new_type =~ /^$type/i;
}
$Fileparse_igncase =
(grep $Fileparse_fstype eq $_, @Ignore_Case) ? 1 : 0;
}
return $old;
}
}
1;
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