Echo Server Bug Fixes and Presentation Cleanup

rocs/cgi_bin/echoserver.rb

@@ -1,84 +1,65 @@
 #!/usr/bin/ruby
 # Design:
-# (1) Accept STDIN as hash in JSon format
-# (2) Convert the JSon format hash to a ruby hash
-# (3) Create html using CGI to display the information in the hash
+# (1) Accept STDIN as hash in JSon or XMLformat
+# (2) Convert the JSon or XML format hash to a ruby hash
+# (3) Create html to display the information in the hash
 # (4) Return an html as string through STDOUT
 
 require 'rubygems'
 require 'json'
 require 'xmlsimple'
-# require 'cgi'
 
-# cgi = CGI.new('html3')
+#input = File.read('../test/tricky.xml') # For debugging
 input = STDIN.gets
 
 if input == nil || input == ""
-  return ""
+  STDOUT.puts("")
+  exit
 end
 
-puts input
-exit
-
-content_type = input.split[input.split.index("Content-Type:") + 1]
-
 content_headers = input.split("\n\n")[0]
 
-if content_type == "text/xml"
-  ruby_hash = XmlSimple.xml_in(input).sort
-elsif content_type == "application/json"
+begin
   ruby_hash = JSON.parse(input.split("\n\n")[1]).sort
-else raise "Input not in application/json or text/xml format."
+rescue
+  begin
+    ruby_hash = XmlSimple.xml_in(input).sort
+  rescue  
+    raise "Input not in application/json or text/xml format."
+  end
 end
 
-class Object
+class String
   def to_html
-    self.to_s.to_html
+    self
   end
 end
 
-class Hash
+class Object
   def to_html
-    self.inject("") { |r,e| 
-      r += "<h3>#{e[0]}:</h3>" + "<ul>" + e[1].to_html + "</ul>"
-    }
+    self.to_s
   end
 end
 
-class Array
+class Hash
   def to_html
-    self.inject("") { |r,e|
-      r += "<li>" + e.to_html + "</li>"
+    self.sort.inject("") { |r,e| 
+      r += "<h3>#{e[0]}:</h3>" + '<ul style="line-height: 0em">' + "&nbsp" + e[1].to_html + "</ul>"
     }
   end
 end
 
-class String
+class Array
   def to_html
-    "<li>" + self + "</li>"
+    if self[1].class == Array
+      Hash[self].to_html
+    else
+      self.inject("") { |r,e|
+        r += "<li>" + e.to_html + "</li>"
+      }
+    end
   end
 end
 
 
-STDOUT.puts( content_headers.split("\n").inject(""){|r,e| r += "<p>#{e}</p>"} + ruby_hash.to_html )
-
-# cgi.out {
-#   cgi.html {
-#     cgi.body {
-#         content_headers.split("\n").inject(""){|r,e| r += "<p>#{e}</p>"} + ruby_hash.to_html
-#     }
-#   }
-# }
-
-# 3 line echo server
-#server = TCPServer.new('127.0.0.1', '8080')
-#socket = server.accept
-
-#while true
-  #Json hash looks like { "key" : "val" }
-#  json_hash = socket.readline
-#  ruby_hash = { json_hash.split("\"")[1] => json_hash.split("\"")[3] }
-
-  #Use CGI to create an HTML file and
-  #socket.puts html_file
-#end
+STDOUT.puts( content_headers.split("\n").inject(""){|r,e| r += "#{e}<br>"} + ruby_hash.to_html )