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=29bef60028e91361dc11ae9e03e9c65820fdda86;hp=4d5f0ed775dcd52acd3f6119329d3396f93cf5b1;hb=d17ae380f89fffa8c458925bfd7c7b0c7be0bc96;hpb=ae29b412955743885e80350085167b54b69672da

diff --git a/lib/Catalyst/Utils.pm b/lib/Catalyst/Utils.pm
index 4d5f0ed..29bef60 100644
--- a/lib/Catalyst/Utils.pm
+++ b/lib/Catalyst/Utils.pm
@@ -1,13 +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::MOP;
+use String::RewritePrefix;
+use List::MoreUtils qw/ any /;
 
 use namespace::clean;
 
@@ -21,7 +23,7 @@ See L<Catalyst>.
 
 =head1 DESCRIPTION
 
-Catalyst Utilities. 
+Catalyst Utilities.
 
 =head1 METHODS
 
@@ -122,7 +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
 
@@ -138,6 +140,13 @@ sub class2tempdir {
         eval { $tmpdir->mkpath };
 
         if ($@) {
+            # 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', "$@"/ );
         }
@@ -146,10 +155,22 @@ sub class2tempdir {
     return $tmpdir->stringify;
 }
 
+=head2 dist_indicator_file_list
+
+Returns a list of files which can be tested to check if you're inside a checkout
+
+=cut
+
+sub dist_indicator_file_list {
+    qw/ Makefile.PL Build.PL dist.init /;
+}
+
 =head2 home($class)
 
 Returns home directory for given class.
 
+Note that the class must be loaded for the home directory to be found using this function.
+
 =cut
 
 sub home {
@@ -164,26 +185,8 @@ sub home {
 
             # find the @INC entry in which $file was found
             (my $path = $inc_entry) =~ s/$file$//;
-            $path ||= cwd() if !defined $path || !length $path;
-            my $home = dir($path)->absolute->cleanup;
-
-            # pop off /lib and /blib if they're there
-            $home = $home->parent while $home =~ /b?lib$/;
-
-            # only return the dir if it has a Makefile.PL or Build.PL
-            if (-f $home->file("Makefile.PL") or -f $home->file("Build.PL")) {
-
-                # clean up relative path:
-                # MyApp/script/.. -> MyApp
-
-                my $dir;
-                my @dir_list = $home->dir_list();
-                while (($dir = pop(@dir_list)) && $dir eq '..') {
-                    $home = dir($home)->parent->parent;
-                }
-
-                return $home->stringify;
-            }
+            my $home = find_home_unloaded_in_checkout($path);
+            return $home if $home;
         }
 
         {
@@ -202,6 +205,42 @@ sub home {
     return 0;
 }
 
+=head2 find_home_unloaded_in_checkout ($path)
+
+Tries to determine if C<$path> (or cwd if not supplied)
+looks like a checkout. Any leading lib or blib components
+will be removed, then the directory produced will be checked
+for the existence of a C<< dist_indicator_file_list() >>.
+
+If one is found, the directory will be returned, otherwise false.
+
+=cut
+
+sub find_home_unloaded_in_checkout {
+    my ($path) = @_;
+    $path ||= cwd() if !defined $path || !length $path;
+    my $home = dir($path)->absolute->cleanup;
+
+    # pop off /lib and /blib if they're there
+    $home = $home->parent while $home =~ /b?lib$/;
+
+    # only return the dir if it has a Makefile.PL or Build.PL or dist.ini
+    if (any { $_ } map { -f $home->file($_) } dist_indicator_file_list()) {
+
+        # clean up relative path:
+        # MyApp/script/.. -> MyApp
+
+        my $dir;
+        my @dir_list = $home->dir_list();
+        while (($dir = pop(@dir_list)) && $dir eq '..') {
+            $home = dir($home)->parent->parent;
+        }
+
+        return $home->stringify;
+    }
+
+}
+
 =head2 prefix($class, $name);
 
 Returns a prefixed action.
@@ -297,7 +336,7 @@ sub merge_hashes {
     my ( $lefthash, $righthash ) = @_;
 
     return $lefthash unless defined $righthash;
-    
+
     my %merged = %$lefthash;
     for my $key ( keys %$righthash ) {
         my $right_ref = ( ref $righthash->{ $key } || '' ) eq 'HASH';
@@ -311,7 +350,7 @@ sub merge_hashes {
             $merged{ $key } = $righthash->{ $key };
         }
     }
-    
+
     return \%merged;
 }
 
@@ -346,10 +385,10 @@ All you need to get this work, is:
 
 1) Install Term::Size::Any, or
 
-2) Export $COLUMNS from your shell. 
+2) Export $COLUMNS from your shell.
 
 (Warning to bash users: 'echo $COLUMNS' may be showing you the bash
-variable, not $ENV{COLUMNS}. 'export COLUMNS=$COLUMNS' and you should see 
+variable, not $ENV{COLUMNS}. 'export COLUMNS=$COLUMNS' and you should see
 that 'env' now lists COLUMNS.)
 
 As last resort, default value of 80 chars will be used.
@@ -377,13 +416,40 @@ sub term_width {
     return $_term_width = $width;
 }
 
+
+=head2 resolve_namespace
+
+Method which adds the namespace for plugins and actions.
+
+  __PACKAGE__->setup(qw(MyPlugin));
+
+  # will load Catalyst::Plugin::MyPlugin
+
+=cut
+
+
+sub resolve_namespace {
+    my $appnamespace = shift;
+    my $namespace = shift;
+    my @classes = @_;
+    return String::RewritePrefix->rewrite({
+        q[]  => qq[${namespace}::],
+        q[+] => q[],
+        (defined $appnamespace
+            ? (q[~] => qq[${appnamespace}::])
+            : ()
+        ),
+    }, @classes);
+}
+
+
 =head1 AUTHORS
 
 Catalyst Contributors, see Catalyst.pm
 
 =head1 COPYRIGHT
 
-This program is free software, you can redistribute it and/or modify it under
+This library is free software. You can redistribute it and/or modify it under
 the same terms as Perl itself.
 
 =cut