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# Copyright (c) 1997-2024
# Ewgenij Gawrilow, Michael Joswig, and the polymake team
# Technische Universität Berlin, Germany
# https://polymake.org
#
# This program is free software; you can redistribute it and/or modify it
# under the terms of the GNU General Public License as published by the
# Free Software Foundation; either version 2, or (at your option) any
# later version: http://www.gnu.org/licenses/gpl.txt.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#-------------------------------------------------------------------------------
use strict;
use namespaces;
use warnings qw(FATAL void syntax misc);
use feature 'state';
require 'Polymake/file_utils.pl';
package Polymake::Tempfile;
sub root_dir {
state $dir = find_writable_dir($PrivateDir);
}
sub new {
root_dir();
bless \(my $name), shift;
}
my $cnt = "aaaa0000";
my $rename_cnt = 0;
sub unique_name { "poly".$$."T".(++$cnt) }
use overload '""' => sub { ${$_[0]} ||= root_dir()."/".unique_name(); };
sub basename { $ {$_[0]} =~ m|/(poly[^/]+)$|; $1 }
sub dirname { $ {$_[0]} =~ m|(.*)/poly[^/]+$|; $1 }
sub rename { my $name="$_[0]"; ++$rename_cnt; $name=~s/T(?=\w+$)/N${rename_cnt}_/; $name }
# filename => boolean
sub is_a { index($_[1], root_dir())==0 }
sub DESTROY {
my $stem = ${$_[0]};
if (defined($stem) and my @files = glob("$stem*")) {
if ($DebugLevel && $@) {
warn_print( "Preserving temporary files: @files\n" );
} else {
unlink @files;
}
}
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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