lib/apricoteatsgorilla.rb in smacks-apricoteatsgorilla-0.3.3 vs lib/apricoteatsgorilla.rb in smacks-apricoteatsgorilla-0.3.6

@@ -5,24 +5,37 @@
 # 
 # It translates between SOAP response messages (XML) and Ruby Hashes and may
 # be used to build a SOAP request envelope. It is based on CobraVsMongoose but
 # uses Hpricot instead of REXML and doesn't follow the BadgerFish convention.
 #
-# === Translating an XML String into a Ruby Hash
+# === xml_to_hash(xml, root_node = nil)
 #
-#   xml = "<apricot><eats>Gorilla</eats></apricot>"
-#   ApricotEatsGorilla[xml]
-#   # => { :eats => "Gorilla" }
+#   xml = '<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
+#     <soap:Body>
+#       <ns2:authenticateResponse xmlns:ns2="http://v1_0.ws.example.com/">
+#         <return>
+#           <authValue>
+#             <token>secret</token>
+#             <client>example</client>
+#           </authValue>
+#         </return>
+#       </ns2:authenticateResponse>
+#     </soap:Body>
+#   </soap:Envelope>'
 #
-# === Translating a Ruby Hash into an XML String
+#   ApricotEatsGorilla[xml, "//return"]
+#   # => { :auth_value => { :token => "secret", :client => "example" } }
 #
+# === hash_to_xml(hash)
+#
 #   hash = { :apricot => { :eats => "Gorilla" } }
+#
 #   ApricotEatsGorilla[hash]
 #   # => "<apricot><eats>Gorilla</eats></apricot>"
 #
-# === Creating a SOAP request envelope
-# 
+# === soap_envelope(namespaces = {})
+#
 #   ApricotEatsGorilla.soap_envelope { "<authenticate>me</authenticate>" }
 #
 #   # => '<env:Envelope xmlns:env="http://schemas.xmlsoap.org/soap/envelope/">
 #   # =>    <env:Body>
 #   # =>      <authenticate>me</authenticate>
@@ -74,10 +87,12 @@
     #   # => { :lots_of => "Gorillas" }
     def xml_to_hash(xml, root_node = nil)
       xml = clean_xml(xml)
       doc = Hpricot.XML(xml)
       root = root_node ? doc.at(root_node) : doc.root
+
+      return nil if root.nil?
       xml_node_to_hash(root)
     end
 
     # Converts a given +hash+ into an XML String.
     #
@@ -162,10 +177,10 @@
           when Array
             this_node[key] << value
           when nil
             this_node[key] = value
           else
-            this_node[key] = [current, value]
+            this_node[key] = [current.dup, value]
         end
       end
       this_node
     end
 
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