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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);
package Polymake::Core::StoredScript;
use Polymake::Struct (
[ 'new' => '$$$' ],
[ '$path' => '#1' ],
[ '$timestamp' => '#2' ],
[ '&code' => '#3' ],
);
my %script_repo;
sub new {
my $self=&_new;
$script_repo{$self->path}=$self;
}
# PKG, filename =>
sub find {
my $filename=pop @_;
if (my ($path, $tm, $app)=locate_file($filename)) {
if (defined (my $script=$script_repo{$path})) {
if ($tm==$script->timestamp) {
return $script->code;
}
}
(undef, $path, $app);
} else {
croak( "script file \"$filename\" not found" );
}
}
sub locate_file {
my ($filename) = @_;
my ($in_app, $allow_neutral) = $filename =~ s{^($id_re)::(?=[^/])}{}o
? (User::application($1), 0)
: ($User::application, 1);
my $full_path;
if (defined $in_app) {
foreach my $app ($in_app, @{$in_app->linear_imported}) {
if (defined ($full_path = find_file_in_path($filename, $app->scriptpath))) {
return ($full_path, (stat _)[9], $app);
}
}
}
if ($allow_neutral) {
if (-f ($full_path = "$InstallTop/scripts/$filename")) {
return ($full_path, (stat _)[9]);
}
foreach my $ext (@Extension::active[$Extension::num_bundled..$#Extension::active]) {
if (-f ($full_path = $ext->dir."/scripts/$filename")) {
return ($full_path, (stat _)[9]);
}
}
if (defined ($full_path = find_file_in_path($filename, \@User::lookup_scripts))) {
return ($full_path, (stat _)[9]);
}
if (-f $filename) {
my $tm=(stat _)[9];
return (Cwd::abs_path($filename), $tm);
}
}
();
}
1
# Local Variables:
# cperl-indent-level:3
# indent-tabs-mode:nil
# End:
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