gleps: Transform .rst lazily

1 files changed, 18 insertions, 3 deletions

diff --git a/_plugins/gleps.rb b/_plugins/gleps.rb
index 28e1fa7..85b1f82 100644
--- a/_plugins/gleps.rb
+++ b/_plugins/gleps.rb
@@ -21,6 +21,22 @@ module Gentoo
     end
   end
 
+  # based on http://greyblake.com/blog/2014/10/05/lazy-object-pattern-in-ruby/
+  class LazyRbST < ::BasicObject
+    def initialize(rst)
+      @rst = rst
+    end
+
+    def __target_object__
+      @__target_object__ ||= ::RbST.new(".. contents::\n..\n\n" + @rst).to_html(
+        'initial-header-level' => 2)
+    end
+
+    def method_missing(method_name, *args, &block)
+      __target_object__.send(method_name, *args, &block)
+    end
+  end
+
   class GLEPPage < Jekyll::Page
     def initialize(site, name)
       @site = site
@@ -49,12 +65,11 @@ module Gentoo
         end
       end
 
-      @content = RbST.new(".. contents::\n..\n\n" + @content).to_html(
-        'initial-header-level' => 2)
-
       site.data['gleps'] << data.merge({
         'url' => data['permalink']
       })
+
+      @content = LazyRbST.new(@content)
     end
 
     def output_ext