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LEONT / version-0.9933 / lib / version.pm 

            

              
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#!perl -w
package version;
use 5.006002;
use strict;
use warnings::register;
if ($] >= 5.015) {
    warnings::register_categories(qw/version/);
}
our $VERSION = '0.9933';
our $CLASS = 'version';
our (@ISA, $STRICT, $LAX);
# !!!!Delete this next block completely when adding to Perl core!!!!
{
    local $SIG{'__DIE__'};
    eval "use version::vxs $VERSION";
    if ( $@ ) { # don't have the XS version installed
        eval "use version::vpp $VERSION"; # don't tempt fate
        die "$@" if ( $@ );
        push @ISA, "version::vpp";
        local $^W;
        *version::qv = \&version::vpp::qv;
        *version::declare = \&version::vpp::declare;
        *version::_VERSION = \&version::vpp::_VERSION;
        *version::vcmp = \&version::vpp::vcmp;
        *version::new = \&version::vpp::new;
        *version::numify = \&version::vpp::numify;
        *version::normal = \&version::vpp::normal;
        *version::to_decimal = \&version::vpp::to_decimal;
        *version::to_dotted_decimal = \&version::vpp::to_dotted_decimal;
        *version::tuple = \&version::vpp::tuple;
        *version::from_tuple = \&version::vpp::from_tuple;
        if ($] >= 5.009000) {
            no strict 'refs';
            *version::stringify = \&version::vpp::stringify;
            *{'version::(""'} = \&version::vpp::stringify;
            *{'version::(<=>'} = \&version::vpp::vcmp;
            *{'version::(cmp'} = \&version::vpp::vcmp;
            *version::parse = \&version::vpp::parse;
        }
    }
    else { # use XS module
        push @ISA, "version::vxs";
        local $^W;
        *version::declare = \&version::vxs::declare;
        *version::qv = \&version::vxs::qv;
        *version::_VERSION = \&version::vxs::_VERSION;
        *version::vcmp = \&version::vxs::VCMP;
        *version::new = \&version::vxs::new;
        *version::numify = \&version::vxs::numify;
        *version::normal = \&version::vxs::normal;
        *version::to_decimal = \&version::vxs::to_decimal;
        *version::to_dotted_decimal = \&version::vxs::to_dotted_decimal;
        *version::tuple = \&version::vxs::tuple;
        *version::from_tuple = \&version::vxs::from_tuple;
        if ($] >= 5.009000) {
            no strict 'refs';
            *version::stringify = \&version::vxs::stringify;
            *{'version::(""'} = \&version::vxs::stringify;
            *{'version::(<=>'} = \&version::vxs::VCMP;
            *{'version::(cmp'} = \&version::vxs::VCMP;
            *version::parse = \&version::vxs::parse;
        }
    }
}
# avoid using Exporter
require version::regex;
*version::is_lax = \&version::regex::is_lax;
*version::is_strict = \&version::regex::is_strict;
*LAX = \$version::regex::LAX;
*LAX_DECIMAL_VERSION = \$version::regex::LAX_DECIMAL_VERSION;
*LAX_DOTTED_DECIMAL_VERSION = \$version::regex::LAX_DOTTED_DECIMAL_VERSION;
*STRICT = \$version::regex::STRICT;
*STRICT_DECIMAL_VERSION = \$version::regex::STRICT_DECIMAL_VERSION;
*STRICT_DOTTED_DECIMAL_VERSION = \$version::regex::STRICT_DOTTED_DECIMAL_VERSION;
sub import {
    no strict 'refs';
    my ($class) = shift;
    # Set up any derived class
    unless ($class eq $CLASS) {
        local $^W;
        *{$class.'::declare'} =  \&{$CLASS.'::declare'};
        *{$class.'::qv'} = \&{$CLASS.'::qv'};
    }
    my %args;
    if (@_) { # any remaining terms are arguments
        map { $args{$_} = 1 } @_
    }
    else { # no parameters at all on use line
        %args =
        (
            qv => 1,
            'UNIVERSAL::VERSION' => 1,
        );
    }
    my $callpkg = caller();
    if (exists($args{declare})) {
        *{$callpkg.'::declare'} =
            sub {return $class->declare(shift) }
          unless defined(&{$callpkg.'::declare'});
    }
    if (exists($args{qv})) {
        *{$callpkg.'::qv'} =
            sub {return $class->qv(shift) }
          unless defined(&{$callpkg.'::qv'});
    }
    if (exists($args{'UNIVERSAL::VERSION'})) {
        local $^W;
        *UNIVERSAL::VERSION
                = \&{$CLASS.'::_VERSION'};
    }
    if (exists($args{'VERSION'})) {
        *{$callpkg.'::VERSION'} = \&{$CLASS.'::_VERSION'};
    }
    if (exists($args{'is_strict'})) {
        *{$callpkg.'::is_strict'} = \&{$CLASS.'::is_strict'}
          unless defined(&{$callpkg.'::is_strict'});
    }
    if (exists($args{'is_lax'})) {
        *{$callpkg.'::is_lax'} = \&{$CLASS.'::is_lax'}
          unless defined(&{$callpkg.'::is_lax'});
    }
}
1;