gruff.erl in mojombo-erlectricity-1.0.0

- old
+ new

@@ -1,20 +1,20 @@
 -module(gruff).
 -export([start/0, stop/0, plot/4]).
 
-start() -> 
-  spawn(fun() -> 
-    register(gruff, self()), 
-    process_flag(trap_exit, true), 
+start() ->
+  spawn(fun() ->
+    register(gruff, self()),
+    process_flag(trap_exit, true),
     Cmd = "ruby ./gruff_provider.rb",
-    Port = open_port({spawn, Cmd}, [{packet, 4}, use_stdio, exit_status, binary]), 
-    port_loop(Port) 
-  end). 
+    Port = open_port({spawn, Cmd}, [{packet, 4}, nouse_stdio, exit_status, binary]),
+    port_loop(Port)
+  end).
 
-stop() -> gruff ! stop. 
+stop() -> gruff ! stop.
 
-plot(Name, Font, Data, Labels) -> 
+plot(Name, Font, Data, Labels) ->
   gruff ! {plot, self(), Name, Font, Data, Labels},
   receive
     {result, Bin} -> Bin
   end.
 
@@ -26,37 +26,36 @@
 
 send_labels(Port, Labels) ->
   Data = {labels, Labels},
   Port ! {self(), {command, term_to_binary(Data)}}.
 
-
 port_loop(Port) ->
   receive
     {plot, Caller, Name, Font, Data, Labels} ->
       PlotData = term_to_binary({plot, Name, 'Line', Font}),
       Port ! {self(), {command, PlotData}},
 
       send_data(Port, Data),
       send_labels(Port, Labels),
-      
+
       EndData = term_to_binary('end'),
       Port ! {self(), {command, EndData}},
       Result = get_result(Port),
       Caller ! {result, Result },
-      
+
       port_loop(Port);
-        
-    stop -> 
-      Port ! {self(), close}, 
-      receive 
-        {Port, closed} -> exit(normal) 
+
+    stop ->
+      Port ! {self(), close},
+      receive
+        {Port, closed} -> exit(normal)
       end
   end.
 
 get_result(Port) ->
   receive
     {Port, {data, Data}} ->
       {result, Bin} = binary_to_term(Data),
       Bin;
-    {'EXIT', Port, Reason} ->  
+    {'EXIT', Port, Reason} ->
       exit({port_terminated,Reason})
     end.
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