40 lines
1.2 KiB
Perl
40 lines
1.2 KiB
Perl
|
# This code was forked from the LiveJournal project owned and operated
|
||
|
|
# by Live Journal, Inc. The code has been modified and expanded by
|
||
|
|
# Dreamwidth Studios, LLC. These files were originally licensed under
|
||
|
|
# the terms of the license supplied by Live Journal, Inc, which can
|
||
|
|
# currently be found at:
|
||
|
|
#
|
||
|
|
# http://code.livejournal.org/trac/livejournal/browser/trunk/LICENSE-LiveJournal.txt
|
||
|
|
#
|
||
|
|
# In accordance with the original license, this code and all its
|
||
|
|
# modifications are provided under the GNU General Public License.
|
||
|
|
# A copy of that license can be found in the LICENSE file included as
|
||
|
|
# part of this distribution.
|
||
|
|
|
||
|
|
package LJ::ModuleCheck;
|
||
|
|
use strict;
|
||
|
|
use warnings;
|
||
|
|
|
||
|
|
my %have;
|
||
|
|
|
||
|
|
sub have {
|
||
|
|
my ( $class, $modulename ) = @_;
|
||
|
|
return $have{$modulename} if exists $have{$modulename};
|
||
|
|
die "Bogus module name" unless $modulename =~ /^[\w:]+$/;
|
||
|
|
return $have{$modulename} = eval "use $modulename (); 1;";
|
||
|
|
}
|
||
|
|
|
||
|
|
sub have_xmlatom {
|
||
|
|
my ($class) = @_;
|
||
|
|
return $have{"XML::Atom"} if exists $have{"XML::Atom"};
|
||
|
|
return $have{"XML::Atom"} = eval q{
|
||
|
|
use XML::Atom::Feed;
|
||
|
|
use XML::Atom::Entry;
|
||
|
|
use XML::Atom::Link;
|
||
|
|
use XML::Atom::Category;
|
||
|
|
XML::Atom->VERSION < 0.21 ? 0 : 1;
|
||
|
|
};
|
||
|
|
}
|
||
|
|
|
||
|
|
1;
|