Add (en|de)code_query_component.

These functions encode values in query components of uri's (Much like CGI::encode, but without mangling valid + ) This is to deal with [[M+_Fonts]]
HamptonMakes · Jan 6, 2010 · 7940804 · 7940804
1 parent 0c3edca
commit 7940804
Showing 1 changed file with 17 additions and 0 deletions.
diff --git a/app/controllers/application.rb b/app/controllers/application.rb
@@ -22,4 +22,21 @@ def current_name
     @title || "Wikipedia"
   end
 
+  ## URI helpers
+  #
+  # Encode a query part. Much like CGI:escape, but retains +
+  # For ?title=http:// --> ?title=http%3A%2F%2F
+  def encode_query_component(value)
+    URI::escape(value, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
+  end
+
+  def decode_query_component(value)
+    URI::unescape(value, Regexp.new("[^#{URI::PATTERN::UNRESERVED}]"))
+  end
+
+  # URLs printed in HTML need & -> &amp;
+  def url_to_html(url)
+    CGI::escapeHTML(url)
+  end
+
 end