request.rb in patron-0.4.11

- old
+ new

@@ -21,10 +21,12 @@
 ## OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 ## THE SOFTWARE.
 ##
 ## -------------------------------------------------------------------
 
+require 'cgi'
+
 module Patron
 
   # Represents the information necessary for an HTTP request.
   # This is basically a data object with validation. Not all fields will be
   # used in every request.
@@ -142,9 +144,10 @@
     def hash_to_string(hash)
       pairs = []
       recursive = Proc.new do |h, prefix|
         h.each_pair do |k,v|
           key = prefix == '' ? k : "#{prefix}[#{k}]"
+                                    @action == :post ? v = CGI::escape(v.to_s) : v
           v.is_a?(Hash) ? recursive.call(v, key) : pairs << "#{key}=#{v}"
         end
       end
       recursive.call(hash, '')
       return pairs.join('&')