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