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|
package File::Glob;
use strict;
our($VERSION, @ISA, @EXPORT_OK, @EXPORT_FAIL, %EXPORT_TAGS,
$AUTOLOAD, $DEFAULT_FLAGS);
use XSLoader ();
@ISA = qw(Exporter);
# NOTE: The glob() export is only here for compatibility with 5.6.0.
# csh_glob() should not be used directly, unless you know what you're doing.
@EXPORT_OK = qw(
csh_glob
bsd_glob
glob
GLOB_ABEND
GLOB_ALPHASORT
GLOB_ALTDIRFUNC
GLOB_BRACE
GLOB_CSH
GLOB_ERR
GLOB_ERROR
GLOB_LIMIT
GLOB_MARK
GLOB_NOCASE
GLOB_NOCHECK
GLOB_NOMAGIC
GLOB_NOSORT
GLOB_NOSPACE
GLOB_QUOTE
GLOB_TILDE
);
%EXPORT_TAGS = (
'glob' => [ qw(
GLOB_ABEND
GLOB_ALPHASORT
GLOB_ALTDIRFUNC
GLOB_BRACE
GLOB_CSH
GLOB_ERR
GLOB_ERROR
GLOB_LIMIT
GLOB_MARK
GLOB_NOCASE
GLOB_NOCHECK
GLOB_NOMAGIC
GLOB_NOSORT
GLOB_NOSPACE
GLOB_QUOTE
GLOB_TILDE
glob
bsd_glob
) ],
);
$VERSION = '1.06';
sub import {
require Exporter;
my $i = 1;
while ($i < @_) {
if ($_[$i] =~ /^:(case|nocase|globally)$/) {
splice(@_, $i, 1);
$DEFAULT_FLAGS &= ~GLOB_NOCASE() if $1 eq 'case';
$DEFAULT_FLAGS |= GLOB_NOCASE() if $1 eq 'nocase';
if ($1 eq 'globally') {
local $^W;
*CORE::GLOBAL::glob = \&File::Glob::csh_glob;
}
next;
}
++$i;
}
goto &Exporter::import;
}
sub AUTOLOAD {
# This AUTOLOAD is used to 'autoload' constants from the constant()
# XS function. If a constant is not found then control is passed
# to the AUTOLOAD in AutoLoader.
my $constname;
($constname = $AUTOLOAD) =~ s/.*:://;
my ($error, $val) = constant($constname);
if ($error) {
require Carp;
Carp::croak($error);
}
eval "sub $AUTOLOAD { $val }";
goto &$AUTOLOAD;
}
XSLoader::load 'File::Glob', $VERSION;
# Preloaded methods go here.
sub GLOB_ERROR {
return (constant('GLOB_ERROR'))[1];
}
sub GLOB_CSH () {
GLOB_BRACE()
| GLOB_NOMAGIC()
| GLOB_QUOTE()
| GLOB_TILDE()
| GLOB_ALPHASORT()
}
$DEFAULT_FLAGS = GLOB_CSH();
if ($^O =~ /^(?:MSWin32|VMS|os2|dos|riscos|MacOS)$/) {
$DEFAULT_FLAGS |= GLOB_NOCASE();
}
# Autoload methods go after =cut, and are processed by the autosplit program.
sub bsd_glob {
my ($pat,$flags) = @_;
$flags = $DEFAULT_FLAGS if @_ < 2;
return doglob($pat,$flags);
}
# File::Glob::glob() is deprecated because its prototype is different from
# CORE::glob() (use bsd_glob() instead)
sub glob {
splice @_, 1; # don't pass PL_glob_index as flags!
goto &bsd_glob;
}
## borrowed heavily from gsar's File::DosGlob
my %iter;
my %entries;
sub csh_glob {
my $pat = shift;
my $cxix = shift;
my @pat;
# glob without args defaults to $_
$pat = $_ unless defined $pat;
# extract patterns
$pat =~ s/^\s+//; # Protect against empty elements in
$pat =~ s/\s+$//; # things like < *.c> and <*.c >.
# These alone shouldn't trigger ParseWords.
if ($pat =~ /\s/) {
# XXX this is needed for compatibility with the csh
# implementation in Perl. Need to support a flag
# to disable this behavior.
require Text::ParseWords;
@pat = Text::ParseWords::parse_line('\s+',0,$pat);
}
# assume global context if not provided one
$cxix = '_G_' unless defined $cxix;
$iter{$cxix} = 0 unless exists $iter{$cxix};
# if we're just beginning, do it all first
if ($iter{$cxix} == 0) {
if (@pat) {
$entries{$cxix} = [ map { doglob($_, $DEFAULT_FLAGS) } @pat ];
}
else {
$entries{$cxix} = [ doglob($pat, $DEFAULT_FLAGS) ];
}
}
# chuck it all out, quick or slow
if (wantarray) {
delete $iter{$cxix};
return @{delete $entries{$cxix}};
}
else {
if ($iter{$cxix} = scalar @{$entries{$cxix}}) {
return shift @{$entries{$cxix}};
}
else {
# return undef for EOL
delete $iter{$cxix};
delete $entries{$cxix};
return undef;
}
}
}
1;
__END__
|
