1 files changed, 38 insertions, 0 deletions
diff --git a/railties/guides/rails_guides/textile_extensions.rb b/railties/guides/rails_guides/textile_extensions.rb
new file mode 100644
index 0000000000..a7fc5ba49c
--- /dev/null
+++ b/railties/guides/rails_guides/textile_extensions.rb
@@ -0,0 +1,38 @@
+module RailsGuides
+  module TextileExtensions
+    def notestuff(body)
+      body.gsub!(/^(IMPORTANT|CAUTION|WARNING|NOTE|INFO)(?:\.|\:)(.*)$/) do |m|
+        css_class = $1.downcase
+        css_class = 'warning' if ['caution', 'important'].include?(css_class)
+
+        result = "<div class='#{css_class}'><p>"
+        result << $2.strip
+        result << '</p></div>'
+        result
+      end
+    end
+
+    def tip(body)
+      body.gsub!(/^(TIP)\:(.*)$/) do |m|
+        result = "<div class='info'><p>"
+        result << $2.strip
+        result << '</p></div>'
+        result
+      end
+    end
+
+    def plusplus(body)
+      body.gsub!(/\+(.*?)\+/) do |m|
+        "<notextile><tt>#{$1}</tt></notextile>"
+      end
+    end
+
+    def code(body)
+      body.gsub!(/\<(yaml|shell|ruby|erb|html|sql)\>(.*?)\<\/\1\>/m) do |m|
+        es = ERB::Util.h($2)
+        css_class = ['erb', 'shell'].include?($1) ? 'html' : $1
+        "<notextile><code class='#{css_class}'>#{es}\n</code></notextile>"
+      end
+    end
+  end
+end