Release v2.1.0.

Merge in rails-2.2.2 branch, modify to make sure Prawn isn't trampled and
2.3.0 is supported.
Simplify tagging of templates for later processing (+ ensure it works
with compiled templates).
Update README_RAILS

CHANGELOG

@@ -1,11 +1,20 @@
+v2.1.0
+
+  Merge in rails-2.2.2 branch, modify to make sure Prawn isn't trampled and
+  2.3.0 is supported.
+  Simplify tagging of templates for later processing (+ ensure it works
+  with compiled templates).
+  Update README_RAILS 
+
 v2.0.5
 
-  Fix issue with Echoe being ultra-sensitive on RubyGems versions (v2.0.4 was RubyGems 1.2 only,
-  and 1.3 just came out)
+  Fix issue with Echoe being ultra-sensitive on RubyGems versions (v2.0.4
+  was RubyGems 1.2 only, and 1.3 just came out)
 
 v2.0.4
 
-  Support for TeX escaping (via l()) calling to_s on the argument.  This should handle nils.
+  Support for TeX escaping (via l()) calling to_s on the argument.
+  This should handle nils.
 
 v2.0.3
 

README_RAILS.rdoc

@@ -26,15 +26,22 @@ Create files +pdf.rtex+ extensions (eg, +index.pdf.rtex+) using standard LaTeX m
 
 With the following:
 
+  # In config/initializers/mime_types.rb (or environment.rb in older Rails)
+  Mime::Type.register "application/pdf", :pdf
+
   # app/controllers/items_controller.rb
   def index
     @items = Item.find(:all)
+    respond_to do |format|
+      format.html # We support the normal HTML view as well
+      format.pdf
+    end
   end
 
   # app/views/items/index.pdf.rtex
   \section*{Items}
   \begin{itemize}
-  <%= render :partial => @items %>
+    <%= render :partial => @items %>
   \end{itemize}
 
   # app/views/items/_item.pdf.rtex
@@ -43,7 +50,7 @@ With the following:
   # app/layouts/application.pdf.rtex
   \documentclass[12pt]{article}
   \begin{document}
-  <%= yield %>
+    <%= yield %>
   \end{document}
 
 If you hit +http://the.server.url/items.pdf+, you end up with a nice PDF listing of items.

lib/rtex/framework/rails.rb

@@ -7,30 +7,21 @@ module Rails #:nodoc:
       def self.setup
         RTeX::Document.options[:tempdir] = File.expand_path(File.join(RAILS_ROOT, 'tmp'))
         if ActionView::Base.respond_to?(:register_template_handler)
-          ActionView::Base.register_template_handler(:rtex, Template)
+          ActionView::Base.register_template_handler(:rtex, TemplateHandler)
         else
-          # Rails 2.1
-          ActionView::Template.register_template_handler(:rtex, Template)
+          ActionView::Template.register_template_handler(:rtex, TemplateHandler)
         end
         ActionController::Base.send(:include, ControllerMethods)
         ActionView::Base.send(:include, HelperMethods)
       end
 
-      class Template < ::ActionView::TemplateHandlers::ERB
-        def initialize(*args)
-          super
-          # Support Rails render API before:
-          #   commit d2ccb852d4e1f6f1b01e43f32213053ae3bef408
-          #   Date:   Fri Jul 18 16:00:20 2008 -0500
-          if @view
-            @view.template_format = :pdf
-          end
-          # Tag for RTeX
-          # TODO: Move options into TemplateHandler from Controller
-          #       (need to handle send_file)
-          def @view.rendered_with_rtex
-            true
-          end
+      class TemplateHandler < ::ActionView::TemplateHandlers::ERB
+        # Due to significant changes in ActionView over the lifespan of Rails,
+        # tagging compiled templates to set a thread local variable flag seems
+        # to be the least brittle approach.
+        def compile(template)
+          # Insert assignment, but not before the #coding: line, if present
+          super.sub(/^(?!#)/m, "Thread.current[:_rendering_rtex] = true;\n")
         end
       end
 
@@ -41,7 +32,7 @@ def self.included(base)
 
         def render_with_rtex(options=nil, *args, &block)
           result = render_without_rtex(options, *args, &block)
-          if result.is_a?(String) && @template.template_format.to_s == 'pdf'
+          if result.is_a?(String) && Thread.current[:_rendering_rtex]
             options ||= {}
             ::RTeX::Document.new(result, options.merge(:processed => true)).to_pdf do |filename|
               serve_file = Tempfile.new('rtex-pdf')
@@ -54,13 +45,13 @@ def render_with_rtex(options=nil, *args, &block)
                 :length => File.size(serve_file.path)
               serve_file.close
             end
-          else
-            result
           end
+
         end
       end
 
       module HelperMethods
+        # Similar to h()
         def latex_escape(s)
           RTeX::Document.escape(s)
         end

lib/rtex/version.rb

@@ -64,8 +64,8 @@ def to_a
     end
 
     MAJOR = 2
-    MINOR = 0
-    TINY  = 5
+    MINOR = 1
+    TINY  = 0
 
     # The current version as a Version instance
     CURRENT = new(MAJOR, MINOR, TINY)