File Coverage

blib/lib/Acme/CXW/vars/i.pm

Criterion	Covered	Total	%
statement	39	51	76.4
branch	20	30	66.6
condition			n/a
subroutine	2	2	100.0
pod			n/a
total	61	83	73.4

# I basically took vars.pm, and turned it into vars/i.pm

package Acme::CXW::vars::i;

$Acme::CXW::vars::i::VERSION = '1.02';

# yuck
=for IT DOESN'T WORK nor is it important (try perl -Mstrict -Mwarnings=all -We"use vars q[$a];")
BEGIN {
    eval q{
use warnings::register;
    };
    eval q{
sub warnings::enabled { return $^W; }
    } if $@;
}
=cut

use strict qw(vars subs);

sub import {
    return if @_ < 2;
    my( $pack, $var, @value ) = @_;
    my $callpack = caller;

    my %stuff;

    if( not @value ){
        if(ref $var ){
            %stuff = @$var;
        } else {
            return;
        }
    } else {
        %stuff = ( $var, [@value] );
    }

    for my $k( keys %stuff ){
        $var = $k;
        if( ref $stuff{$k} eq 'ARRAY' ){
            @value = @{ $stuff{$k} };
        }
        elsif( ref $stuff{$k} eq 'HASH' ){
            @value = %{ $stuff{$k} };
        }
        else {
            @value = $stuff{$k};
        }


        if( my( $ch, $sym ) = $var =~ /^([\$\@\%\*\&])(.+)/ ){
            if( $sym =~ /\W/ ){
                # time for a more-detailed check-up
                if( $sym =~ /^\w+[[{].*[]}]$/ ){
                    require Carp;
                    Carp::croak("Can't declare individual elements of hash or array");
                }
=for IT DOESN'T WORK nor is it important
                elsif( warnings::enabled() and length($sym) == 1 and $sym !~ tr/a-zA-Z// ){#$!
                    require Carp;
                    Carp::carp("No need to declare built-in vars");
                    #warnings::warn("No need to declare built-in vars");
                }
=cut
                elsif( ($^H &= strict::bits('vars')) ){
                    require Carp;
                    Carp::croak("'$var' is not a valid variable name under strict vars");
                }
            }

            $sym = "${callpack}::$sym" unless $sym =~ /::/;

            if( $ch eq '$' ){
                *{$sym} = \$$sym;
                (${$sym}) = @value;
            }
            elsif( $ch eq '@' ){
                *{$sym} = \@$sym;
                (@{$sym}) = @value;
            }
            elsif( $ch eq '%' ){
                *{$sym} = \%$sym;
                (%{$sym}) = @value;
            }
            elsif( $ch eq '*' ){
                *{$sym} = \*$sym;
                (*{$sym}) = shift @value;
            }
            elsif( $ch eq '&' ){
                *{$sym} = shift @value;
            }
            else {
                require Carp;
                Carp::croak("'$var' is not a valid variable name");
            }
        } else {
            require Carp;
            Carp::croak("'$var' is not a valid variable name");
        }
    }
};

1;
__END__