X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FCDBICompat%2FColumnCase.pm;h=0f847dbfc00855a91cf57ce2c3dfc8e5cd477c89;hb=e60dc79fcd4d6318e83584b826526e65048b86a9;hp=9be24ff4723ee3fff9cecd159bb2bfdca9e151a0;hpb=05e8dc0a4848cd094c2aa063d183500017421fcc;p=dbsrgits%2FDBIx-Class.git diff --git a/lib/DBIx/Class/CDBICompat/ColumnCase.pm b/lib/DBIx/Class/CDBICompat/ColumnCase.pm index 9be24ff..0f847db 100644 --- a/lib/DBIx/Class/CDBICompat/ColumnCase.pm +++ b/lib/DBIx/Class/CDBICompat/ColumnCase.pm @@ -79,18 +79,70 @@ sub _build_query { return \%new_query; } + +# CDBI will never overwrite an accessor, but it only uses one +# accessor for all column types. DBIC uses many different +# accessor types so, for example, if you declare a column() +# and then a has_a() for that same column it must overwrite. +# +# To make this work CDBICompat has decide if an accessor +# method was put there by itself and only then overwrite. +{ + my %our_accessors; + + sub _has_custom_accessor { + my($class, $name) = @_; + + no strict 'refs'; + my $existing_accessor = *{$class .'::'. $name}{CODE}; + return $existing_accessor && !$our_accessors{$existing_accessor}; + } + + sub _deploy_accessor { + my($class, $name, $accessor) = @_; + + return if $class->_has_custom_accessor($name); + + for my $name ($name, lc $name) { + no strict 'refs'; + no warnings 'redefine'; + *{$class .'::'. $name} = $accessor; + } + + $our_accessors{$accessor}++; + + return 1; + } +} + sub _mk_group_accessors { my ($class, $type, $group, @fields) = @_; - #warn join(', ', map { ref $_ ? (@$_) : ($_) } @fields); - my @extra; - foreach (@fields) { - my ($acc, $field) = ref $_ ? @$_ : ($_, $_); - #warn "$acc ".lc($acc)." $field"; - next if defined &{"${class}::${acc}"}; - push(@extra, [ lc $acc => $field ]); + + # So we don't have to do lots of lookups inside the loop. + my $maker = $class->can($type) unless ref $type; + + # warn "$class $type $group\n"; + foreach my $field (@fields) { + if( $field eq 'DESTROY' ) { + carp("Having a data accessor named DESTROY in ". + "'$class' is unwise."); + } + + my $name = $field; + + ($name, $field) = @$field if ref $field; + + my $accessor = $class->$maker($group, $field); + my $alias = "_${name}_accessor"; + + # warn " $field $alias\n"; + { + no strict 'refs'; + + $class->_deploy_accessor($name, $accessor); + $class->_deploy_accessor($alias, $accessor); + } } - return $class->next::method($type, $group, - @fields, @extra); } sub new {