Organize commands

exe/referator

@@ -37,6 +37,9 @@ while (line = $stdin.gets)
   begin
     command, rest = parse_command line
     case command
+    ##################
+    # Administrative #
+    ##################
     when 'EXIT'
       success
       exit
@@ -45,6 +48,13 @@ while (line = $stdin.gets)
     when 'STACKTRACE'
       success stacktrace
       stacktrace = nil
+    ##########
+    # Config #
+    ##########
+    when 'REGISTER_CATEGORY'
+      data = JSON.parse rest
+      config.categories.register String(data).to_sym
+      success
     when 'REGISTER_FORMAT'
       data = JSON.parse rest
       config.formats.register(
@@ -52,21 +62,13 @@ while (line = $stdin.gets)
         **data.except('name').transform_keys(&:to_sym),
       )
       success
-    when 'REGISTER_CATEGORY'
-      data = JSON.parse rest
-      config.categories.register String(data).to_sym
-      success
     when 'REGISTER_REF'
       data = JSON.parse rest
       config.repo.register_ref(**data.transform_keys(&:to_sym))
       success
-    when 'MAKE_REF'
-      config.freeze
-      data = JSON.parse rest
-      success footnotes.make_ref(
-        String(data['category']).to_sym,
-        String(data['id']),
-      ).to_h
+    ########
+    # Info #
+    ########
     when 'REF'
       config.freeze
       data = JSON.parse rest
@@ -74,6 +76,19 @@ while (line = $stdin.gets)
         String(data['category']).to_sym,
         String(data['id']),
       ].to_h
+    ############
+    # Creation #
+    ############
+    when 'MAKE_REF'
+      config.freeze
+      data = JSON.parse rest
+      success footnotes.make_ref(
+        String(data['category']).to_sym,
+        String(data['id']),
+      ).to_h
+    #############
+    # Rendering #
+    #############
     when 'FETCH_NOTE'
       config.freeze
       data = JSON.parse rest