From 7c568fda6ba2d6621a0872e4bc0c71bb2d13e65f Mon Sep 17 00:00:00 2001
From: wycats <wycats@gmail.com>
Date: Sun, 26 Dec 2010 23:44:51 -0800
Subject: A bunch of cleanup on the inherited template patch

---
 actionpack/lib/action_view/path_set.rb          | 32 +++++++++++++++++++------
 actionpack/lib/action_view/template/error.rb    |  8 +++++--
 actionpack/lib/action_view/template/resolver.rb |  2 +-
 3 files changed, 32 insertions(+), 10 deletions(-)

(limited to 'actionpack/lib')

diff --git a/actionpack/lib/action_view/path_set.rb b/actionpack/lib/action_view/path_set.rb
index a7078b8232..2a54b12f78 100644
--- a/actionpack/lib/action_view/path_set.rb
+++ b/actionpack/lib/action_view/path_set.rb
@@ -11,23 +11,41 @@ module ActionView #:nodoc:
     end
 
     def find(*args)
-      template = find_all(*args).first
-      template or raise MissingTemplate.new(self, "{#{args[1].join(',')},}/#{args[0]}", args[3], args[2])
+      if template = find_first(*args)
+        template
+      else
+        raise MissingTemplate.new(self, *args)
+      end
     end
 
     def find_all(path, prefixes = [], *args)
-      templates = []
       prefixes.each do |prefix|
+        templates = []
+
         each do |resolver|
-          templates << resolver.find_all(path, prefix, *args)
+          templates.concat resolver.find_all(path, prefix, *args)
         end
-        # return templates unless templates.flatten!.empty? XXX this was original behavior; turns this method into find_some, but probably makes it faster
+
+        return templates unless templates.empty?
       end
-      templates.flatten
+
+      []
+    end
+
+    def find_first(path, prefixes = [], *args)
+      prefixes.each do |prefix|
+        each do |resolver|
+          if template = resolver.find_all(path, prefix, *args).first
+            return template
+          end
+        end
+      end
+
+      nil
     end
 
     def exists?(*args)
-      find_all(*args).any?
+      !!find_first(*args)
     end
 
   protected
diff --git a/actionpack/lib/action_view/template/error.rb b/actionpack/lib/action_view/template/error.rb
index ff256738a9..d7d98e1dd5 100644
--- a/actionpack/lib/action_view/template/error.rb
+++ b/actionpack/lib/action_view/template/error.rb
@@ -27,7 +27,7 @@ module ActionView
   class MissingTemplate < ActionViewError #:nodoc:
     attr_reader :path
 
-    def initialize(paths, path, details, partial)
+    def initialize(paths, path, prefixes, partial, details, *)
       @path = path
       display_paths = paths.compact.map{ |p| p.to_s.inspect }.join(", ")
       template_type = if partial
@@ -38,7 +38,11 @@ module ActionView
         'template'
       end
 
-      super("Missing #{template_type} #{path} with #{details.inspect} in view paths #{display_paths}")
+      searched_paths = prefixes.map { |prefix| [prefix, path].join("/") }
+
+      out  = "Missing #{template_type} #{searched_paths.join(", ")} with #{details.inspect}. Searched in:\n"
+      out += paths.compact.map { |p| "  * #{p.to_s.inspect}\n" }.join
+      super out
     end
   end
 
diff --git a/actionpack/lib/action_view/template/resolver.rb b/actionpack/lib/action_view/template/resolver.rb
index 0dccc99d14..d23aa5ef85 100644
--- a/actionpack/lib/action_view/template/resolver.rb
+++ b/actionpack/lib/action_view/template/resolver.rb
@@ -47,7 +47,7 @@ module ActionView
       path
     end
 
-    # Hnadles templates caching. If a key is given and caching is on
+    # Handles templates caching. If a key is given and caching is on
     # always check the cache before hitting the resolver. Otherwise,
     # it always hits the resolver but check if the resolver is fresher
     # before returning it.
-- 
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