From 3d3d38f2f6639c90c98c72dc0167a82d52ce9ec4 Mon Sep 17 00:00:00 2001
From: Sebastian Riedel <sri@labs.kraih.com>
Date: Sat, 16 Oct 2004 20:07:18 +0000
Subject: [PATCH] New Maypole::Application, we now use the Maypole::Plugin::
 namespace and support special flags like -Setup

git-svn-id: http://svn.maypole.perl.org/Maypole/trunk@234 48953598-375a-da11-a14b-00016c27c3ee
---
 lib/Maypole/Application.pm | 55 ++++++++++++++++++++++++++++++++------
 1 file changed, 47 insertions(+), 8 deletions(-)

diff --git a/lib/Maypole/Application.pm b/lib/Maypole/Application.pm
index a39c4a1..e0c08ff 100644
--- a/lib/Maypole/Application.pm
+++ b/lib/Maypole/Application.pm
@@ -2,6 +2,7 @@ package Maypole::Application;
 
 use strict;
 use warnings;
+use UNIVERSAL::require;
 
 our @ISA;
 
@@ -11,18 +12,31 @@ sub import {
     no strict 'refs';
     push @{"${caller}::ISA"}, $self;
     foreach (@plugins) {
-        "Maypole::$_"->require or warn qq(Loading plugin "Maypole::$_" failed);
-        unshift @ISA, "Maypole::$_";
+        if    (/^\-Setup$/) { $caller->setup }
+        elsif (/^\-Debug$/) {
+            *{"$caller\::debug"} = sub { 1 };
+            warn "Debugging enabled";
+        }
+        else {
+
+            # The plugin caller should be our application class
+            eval "package $caller; require Maypole::Plugin::$_";
+            if ($@) { warn qq(Loading plugin "Maypole::Plugin::$_" failed: $@) }
+            else {
+                warn "Loaded plugin: Maypole::Plugin::$_" if $caller->debug;
+                unshift @ISA, "Maypole::Plugin::$_";
+            }
+        }
     }
 }
 
 if ( $ENV{MOD_PERL} ) {
-    require Apache::MVC or die 'Loading Apache frontend failed';
-    push @ISA, qw(Apache::MVC);
+    Apache::MVC->require or die "Loading Apache frontend failed: $@";
+    push @ISA, 'Apache::MVC';
 }
 else {
-    require CGI::Maypole or die 'Loading CGI frontend failed';
-    push @ISA, qw(CGI::Maypole);
+    CGI::Maypole->require or die "Loading CGI frontend failed: $@";
+    push @ISA, 'CGI::Maypole';
 }
 
 1;
@@ -39,11 +53,36 @@ Maypole::Application - Maypole Universal Frontend
 
 This is a universal frontend for mod_perl1, mod_perl2 and CGI.
 
-You can omit the Maypole:: prefix from plugins.
-So Maypole::Config::YAML becomes Config::YAML.
+You can omit the Maypole::Plugin:: prefix from plugins.
+So Maypole::Plugin::Config::YAML becomes Config::YAML.
 
     use Maypole::Application qw(Config::YAML);
 
+You can also set special flags like -Setup and -Debug.
+
+    use Maypole::Application qw(-Debug Config::YAML -Setup);
+
+The position of plugins and flags in the chain is important,
+because they are loaded/executed in the same order they appear.
+
+=head2 -Setup
+
+    use Maypole::Application qw(-Setup);
+
+is equivalent to
+
+    use Maypole::Application;
+    MyApp->setup;
+
+=head2 -Debug
+
+    use Maypole::Application qw(-Debug);
+
+is equivalent to
+
+    use Maypole::Application;
+    sub debug { 1 }
+
 =head1 AUTHOR
 
 Sebastian Riedel, C<sri@oook.de>
-- 
2.39.5