X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FComponentised.pm;h=5a592388bfbace00d4bc7c9987b4c384f9cfbde4;hb=ef8d02eb7856f32ef1d738aba4923a167c6ed2df;hp=fa9b7d9245cbc33f2481a94a0d8247b8cc1d0584;hpb=c0e7b4e55952cd193b6f1866d0c27ece182397eb;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Componentised.pm b/lib/DBIx/Class/Componentised.pm
index fa9b7d9..5a59238 100644
--- a/lib/DBIx/Class/Componentised.pm
+++ b/lib/DBIx/Class/Componentised.pm
@@ -1,44 +1,43 @@
-package # hide from PAUSE 
+package # hide from PAUSE
     DBIx::Class::Componentised;
 
-use Class::C3;
+use strict;
+use warnings;
 
+use base 'Class::C3::Componentised';
+use Carp::Clan qw/^DBIx::Class|^Class::C3::Componentised/;
+use mro 'c3';
+
+# this warns of subtle bugs introduced by UTF8Columns hacky handling of store_column
 sub inject_base {
-  my ($class, $target, @to_inject) = @_;
-  {
-    no strict 'refs';
-    unshift(@{"${target}::ISA"}, grep { $target ne $_ && !$target->isa($_)} @to_inject);
-  }
+  my $class = shift;
+  my $target = shift;
 
-  # Yes, this is hack. But it *does* work. Please don't submit tickets about
-  # it on the basis of the comments in Class::C3, the author was on #dbix-class
-  # while I was implementing this.
+  my @present_components = (@{mro::get_linear_isa ($target)||[]});
 
-  my $table = { Class::C3::_dump_MRO_table };
-  eval "package $target; import Class::C3;" unless exists $table->{$target};
-}
+  no strict 'refs';
+  for my $comp (reverse @_) {
 
-sub load_components {
-  my $class = shift;
-  my $base = $class->component_base_class;
-  my @comp = map { /^\+(.*)$/ ? $1 : "${base}::$_" } grep { $_ !~ /^#/ } @_;
-  $class->_load_components(@comp);
-  Class::C3::reinitialize();
-}
+    if ($comp->isa ('DBIx::Class::UTF8Columns') ) {
+      require B;
+      my @broken;
 
-sub load_own_components {
-  my $class = shift;
-  my @comp = map { "${class}::$_" } grep { $_ !~ /^#/ } @_;
-  $class->_load_components(@comp);
-}
+      for (@present_components) {
+        my $cref = $_->can ('store_column')
+         or next;
+        push @broken, $_ if B::svref_2object($cref)->STASH->NAME ne 'DBIx::Class::Row';
+      }
 
-sub _load_components {
-  my ($class, @comp) = @_;
-  foreach my $comp (@comp) {
-    eval "use $comp";
-    die $@ if $@;
+      carp "Incorrect loading order of $comp by ${target} will affect other components overriding store_column ("
+          . join (', ', @broken)
+          .'). Refer to the documentation of DBIx::Class::UTF8Columns for more info'
+       if @broken;
+    }
+
+    unshift @present_components, $comp;
   }
-  $class->inject_base($class => @comp);
+
+  $class->next::method($target, @_);
 }
 
 1;