X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?p=catagits%2FCatalyst-Runtime.git;a=blobdiff_plain;f=lib%2FCatalyst%2FUtils.pm;h=31773b7ce725226a17eac120cfa97206f3a0c266;hp=cc3f32629431846c69154167d0c95b50bbb817c7;hb=35b3434762d426e0cd5e04eb735291f8ca7ea08e;hpb=b39b4848e504f57e74c06ea46059aa56351c2a11

diff --git a/lib/Catalyst/Utils.pm b/lib/Catalyst/Utils.pm
index cc3f326..31773b7 100644
--- a/lib/Catalyst/Utils.pm
+++ b/lib/Catalyst/Utils.pm
@@ -1,15 +1,15 @@
 package Catalyst::Utils;
 
 use strict;
-use Catalyst::Exception;
 use File::Spec;
 use HTTP::Request;
 use Path::Class;
 use URI;
 use Carp qw/croak/;
 use Cwd;
-
+use Class::Load 'is_class_loaded';
 use String::RewritePrefix;
+use Class::Load ();
 
 use namespace::clean;
 
@@ -124,7 +124,7 @@ sub class2prefix {
 Returns a tempdir for a class. If create is true it will try to create the path.
 
     My::App becomes /tmp/my/app
-    My::App::C::Foo::Bar becomes /tmp/my/app/c/foo/bar
+    My::App::Controller::Foo::Bar becomes /tmp/my/app/c/foo/bar
 
 =cut
 
@@ -137,9 +137,15 @@ sub class2tempdir {
 
     if ( $create && !-e $tmpdir ) {
 
-        eval { $tmpdir->mkpath };
-
-        if ($@) {
+        eval { $tmpdir->mkpath; 1 }
+        or do {
+            # don't load Catalyst::Exception as a BEGIN in Utils,
+            # because Utils often gets loaded before MyApp.pm, and if
+            # Catalyst::Exception is loaded before MyApp.pm, it does
+            # not honor setting
+            # $Catalyst::Exception::CATALYST_EXCEPTION_CLASS in
+            # MyApp.pm
+            require Catalyst::Exception;
             Catalyst::Exception->throw(
                 message => qq/Couldn't create tmpdir '$tmpdir', "$@"/ );
         }
@@ -152,8 +158,31 @@ sub class2tempdir {
 
 Returns home directory for given class.
 
+=head2 dist_indicator_file_list
+
+Returns a list of files which can be tested to check if you're inside
+a CPAN distribution which is not yet installed.
+
+These are:
+
+=over
+
+=item Makefile.PL
+
+=item Build.PL
+
+=item dist.ini
+
+=item L<cpanfile>
+
+=back
+
 =cut
 
+sub dist_indicator_file_list {
+    qw{Makefile.PL Build.PL dist.ini cpanfile};
+}
+
 sub home {
     my $class = shift;
 
@@ -173,9 +202,7 @@ sub home {
             $home = $home->parent while $home =~ /b?lib$/;
 
             # only return the dir if it has a Makefile.PL or Build.PL or dist.ini
-            if (-f $home->file("Makefile.PL") or -f $home->file("Build.PL")
-                or -f $home->file("dist.ini")) {
-
+            if (grep { -f $home->file($_) } dist_indicator_file_list()) {
                 # clean up relative path:
                 # MyApp/script/.. -> MyApp
 
@@ -270,7 +297,7 @@ sub ensure_class_loaded {
     # if it already has symbol table entries. This is to support things like Schema::Loader, which
     # part-generate classes in memory, but then also load some of their contents from disk.
     return if !$opts->{ ignore_loaded }
-        && Class::MOP::is_class_loaded($class); # if a symbol entry exists we don't load again
+        && is_class_loaded($class); # if a symbol entry exists we don't load again
 
     # this hack is so we don't overwrite $@ if the load did not generate an error
     my $error;
@@ -285,7 +312,7 @@ sub ensure_class_loaded {
     die $error if $error;
 
     warn "require $class was successful but the package is not defined."
-        unless Class::MOP::is_class_loaded($class);
+        unless is_class_loaded($class);
 
     return 1;
 }
@@ -364,17 +391,17 @@ my $_term_width;
 sub term_width {
     return $_term_width if $_term_width;
 
-    my $width = eval '
-        use Term::Size::Any;
+    my $width;
+    eval '
+        require Term::Size::Any;
         my ($columns, $rows) = Term::Size::Any::chars;
-        return $columns;
-    ';
-
-    if ($@) {
+        $width = $columns;
+        1;
+    ' or do {
         $width = $ENV{COLUMNS}
             if exists($ENV{COLUMNS})
             && $ENV{COLUMNS} =~ m/^\d+$/;
-    }
+    };
 
     $width = 80 unless ($width && $width >= 80);
     return $_term_width = $width;
@@ -406,6 +433,56 @@ sub resolve_namespace {
     }, @classes);
 }
 
+=head2 build_middleware (@args)
+
+Internal application that converts a single middleware definition (see
+L<Catalyst/psgi_middleware>) into an actual instance of middleware.
+
+=cut
+
+sub build_middleware {
+    my ($class, $namespace, @init_args) = @_;
+
+    if(
+      $namespace =~s/^\+// ||
+      $namespace =~/^Plack::Middleware/ ||
+      $namespace =~/^$class/
+    ) {  ## the string is a full namespace
+        return Class::Load::try_load_class($namespace) ?
+          $namespace->new(@init_args) :
+            die "Can't load class $namespace";
+    } else { ## the string is a partial namespace
+      if(Class::Load::try_load_class($class .'::Middleware::'. $namespace)) { ## Load Middleware from Project namespace
+          my $ns = $class .'::Middleware::'. $namespace;
+          return $ns->new(@init_args);
+        } elsif(Class::Load::try_load_class("Plack::Middleware::$namespace")) { ## Act like Plack::Builder
+          return "Plack::Middleware::$namespace"->new(@init_args);
+        }
+    }
+
+    return; ## be sure we can count on a proper return when valid
+}
+
+=head2 apply_registered_middleware ($psgi)
+
+Given a $psgi reference, wrap all the L<Catalyst/registered_middlewares>
+around it and return the wrapped version.
+
+This exists to deal with the fact Catalyst registered middleware can be
+either an object with a wrap method or a coderef.
+
+=cut
+
+sub apply_registered_middleware {
+    my ($class, $psgi) = @_;
+    my $new_psgi = $psgi;
+    foreach my $middleware ($class->registered_middlewares) {
+        $new_psgi = Scalar::Util::blessed $middleware ?
+          $middleware->wrap($new_psgi) :
+            $middleware->($new_psgi);
+    }
+    return $new_psgi;
+}
 
 =head1 AUTHORS