lib/webmachine/headers.rb in webmachine-0.2.0 vs lib/webmachine/headers.rb in webmachine-0.3.0

@@ -1,19 +1,34 @@
 module Webmachine
   # Case-insensitive Hash of Request headers
   class Headers < ::Hash
+    # Convert CGI-style Hash into Request headers
+    # @param [Hash] env a hash of CGI-style env/headers
+    def self.from_cgi(env)
+      env.inject(new) do |h,(k,v)|
+        if k =~ /^HTTP_(\w+)$/
+          h[$1.tr("_", "-")] = v
+        end
+        h
+      end
+    end
+
+    # Fetch a header
     def [](key)
       super transform_key(key)
     end
 
+    # Set a header
     def []=(key,value)
       super transform_key(key), value
     end
 
+    # Delete a header
     def delete(key)
       super transform_key(key)
     end
-    
+
+    # Select matching headers
     def grep(pattern)
       self.class[select { |k,_| pattern === k }]
     end
 
     private