view Lib/IMPL/Class/PropertyInfo.pm @ 59:0f3e369553bd

Rewritten property implementation (probably become slower but more flexible) Configuration infrastructure in progress (in the aspect of the lazy activation) Initial concept for the code generator
author wizard
date Tue, 09 Mar 2010 02:50:45 +0300
parents 16ada169ca75
children b0c068da93ac
line wrap: on
line source

package IMPL::Class::PropertyInfo;
use strict;

use base qw(IMPL::Class::MemberInfo);

__PACKAGE__->mk_accessors(qw(Type Mutators canGet canSet));
__PACKAGE__->PassThroughArgs;

my %LoadedModules;

sub CTOR {
    my $this = shift;
    
    if ( my $type = $this->Attributes ? delete $this->Attributes->{type} : undef ) {
        $this->Type($type);
    }
    
    $this->Mutators(0) unless defined $this->Mutators;
}

sub Implementor {
    my $this = shift;
    
    my $implementor;
    
    if (@_) {
        $this->SUPER::Implementor(@_);
    } else {
        my $implementor = $this->SUPER::Implementor;
        return $implementor if $implementor;
        
        $implementor = $this->SelectImplementor();
        
        if (my $class = ref $implementor ? undef : $implementor) {
            if (not $LoadedModules{$class}) {
                (my $package = $class.'.pm') =~ s/::/\//g;
                require $package;
                $LoadedModules{$class} = 1;
            }
        }
        
        $this->Implementor($implementor);
        return $implementor;
    }
    
}

sub SelectImplementor {
    my ($this) = @_;
    
    if ($this->Class->can('_PropertyImplementor')) {
        return $this->Class->_PropertyImplementor;
    }
    die new IMPL::Exception('Can\'t find a property implementor for the specified class',$this->Class);
}

1;