Move core helper methods to ContextHelper from haml helpers.

lib/awestruct/context_helper.rb

@@ -0,0 +1,34 @@
+require 'hpricot'
+
+module Awestruct
+  module ContextHelper
+    def html_to_text(str)
+      str.gsub( /<[^>]+>/, '' )
+    end
+
+    def summarize(text, numwords=20)
+      text.split()[0, numwords].join(' ')
+    end
+
+    def fully_qualify_urls(base_url, text)
+      doc = Hpricot( text )
+
+      doc.search( "//a" ).each do |a|
+        a['href'] = fix_url( base_url, a['href'] )
+      end
+      doc.search( "//link" ).each do |link|
+        link['href'] = fix_url( base_url, link['href'] )
+      end
+      doc.search( "//img" ).each do |img|
+        img['src'] = fix_url( base_url, img['src'] )
+      end
+      return doc.to_s
+    end
+
+    def fix_url(base_url, url)
+      return url unless ( url =~ /^\// )
+      "#{base_url}#{url}"
+    end
+  end
+
+end

lib/awestruct/engine.rb

@@ -11,7 +11,7 @@
 require 'awestruct/sass_file'
 require 'awestruct/verbatim_file'
 
-require 'awestruct/haml_helpers'
+require 'awestruct/context_helper'
 
 require 'awestruct/extensions/pipeline'
 require 'awestruct/extensions/posts'
@@ -93,6 +93,7 @@ def load_page(path, relative_path=nil)
 
     def create_context(page, content='')
       context = OpenStruct.new( :site=>site, :content=>content )
+      context.extend( Awestruct::ContextHelper )
       @helpers.each do |h|
         context.extend( h )
       end