From 1f80f540a7618e0d9c853319f6488e25ac201b2c Mon Sep 17 00:00:00 2001
From: Jamis Buck <jamis@37signals.com>
Date: Fri, 21 Apr 2006 15:17:02 +0000
Subject: Add support in routes for semicolon delimited "subpaths", like
 /books/:id;:action

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@4242 5ecf4fe2-1ee6-0310-87b1-e25e094e27de
---
 .../lib/action_controller/code_generation.rb       | 26 ++++++++++++++--------
 1 file changed, 17 insertions(+), 9 deletions(-)

(limited to 'actionpack/lib/action_controller/code_generation.rb')

diff --git a/actionpack/lib/action_controller/code_generation.rb b/actionpack/lib/action_controller/code_generation.rb
index 6762b7610d..312dff6be0 100644
--- a/actionpack/lib/action_controller/code_generation.rb
+++ b/actionpack/lib/action_controller/code_generation.rb
@@ -65,7 +65,7 @@ module ActionController
         copy = self.class.new(source)
         self.class::FieldsToDuplicate.each do |sym|
           value = self.send(sym)
-          value = value.dup unless value.nil? || value.is_a?(Numeric)
+          value = value.dup unless value.nil? || value.is_a?(Numeric) || value.is_a?(Symbol)
           copy.send("#{sym}=", value)
         end
         return copy
@@ -73,7 +73,7 @@ module ActionController
     end
 
     class RecognitionGenerator < CodeGenerator #:nodoc:
-      Attributes = [:after, :before, :current, :results, :constants, :depth, :move_ahead, :finish_statement]
+      Attributes = [:after, :before, :current, :results, :constants, :depth, :move_ahead, :finish_statement, :path_name, :base_segment_name, :base_index_name]
       attr_accessor(*Attributes)
       FieldsToDuplicate = CodeGenerator::FieldsToDuplicate + Attributes
     
@@ -85,6 +85,9 @@ module ActionController
         @depth = 0
         @move_ahead = nil
         @finish_statement = Proc.new {|hash_expr| hash_expr}
+        @path_name = :path
+        @base_segment_name = :segment
+        @base_index_name = :index
       end
     
       def if_next_matches(string, &block)
@@ -118,11 +121,10 @@ module ActionController
         return code.to_s
       end
     
-      def segment_name() "segment#{depth}".to_sym end
-      def path_name() :path end
+      def segment_name() "#{base_segment_name}#{depth}".to_sym end
       def index_name
         move_ahead, @move_ahead = @move_ahead, nil
-        move_ahead ? "index += #{move_ahead}" : 'index'
+        move_ahead ? "#{base_index_name} += #{move_ahead}" : base_index_name
       end
     
       def continue
@@ -162,9 +164,9 @@ module ActionController
         end
       end
     end
-  
+
     class GenerationGenerator < CodeGenerator #:nodoc:
-      Attributes = [:after, :before, :current, :segments]
+      Attributes = [:after, :before, :current, :segments, :subpath_at]
       attr_accessor(*Attributes)
       FieldsToDuplicate = CodeGenerator::FieldsToDuplicate + Attributes
     
@@ -173,6 +175,7 @@ module ActionController
         @after, @before = [], []
         @current = nil
         @segments = []
+        @subpath_at = nil
       end
     
       def hash_name() 'hash' end
@@ -202,7 +205,7 @@ module ActionController
         d.segments.concat segments
         yield d
       end
-    
+
       def go
         if current then current.write_generation(self)
         else self.finish
@@ -215,8 +218,13 @@ module ActionController
         d.current = d.after.shift
         d.go
       end
-    
+
+      def start_subpath!
+        @subpath_at ||= segments.length
+      end
+
       def finish
+        segments[subpath_at..-1] = [segments[subpath_at..-1].join(";")] if subpath_at
         line %("/#{segments.join('/')}")
       end
 
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