lib/simple/cli/runner/command_help.rb in simple-cli-0.1.1 vs lib/simple/cli/runner/command_help.rb in simple-cli-0.1.2

@@ -1,14 +1,19 @@
+# rubocop:disable Metrics/AbcSize
+# rubocop:disable Metrics/CyclomaticComplexity
+# rubocop:disable Metrics/MethodLength
+
 class Simple::CLI::Runner::CommandHelp
   def self.option_names(app, subcommand)
     new(app, subcommand).option_names
   rescue NameError
     []
   end
 
   def initialize(mod, method)
-    @mod, @method = mod, method
+    @mod = mod
+    @method = method
   end
 
   # First line of the help as read from the method comments.
   def head
     comments.first
@@ -20,18 +25,20 @@
   end
 
   def option_names
     method = @mod.instance_method(@method)
 
-    method.parameters.map do |mode, name|
+    option_names = method.parameters.map do |mode, name|
       case mode
       when :key     then name
       when :keyreq  then name
       end
-    end.compact.map do |name|
-      [ "--#{name}", "--#{name}=" ]
-    end.flatten.uniq
+    end.compact
+
+    option_names.map do |name|
+      ["--#{name}", "--#{name}="]
+    end.flatten
   end
 
   # A help string constructed from the commands method signature.
   def interface(binary_name, command_name)
     method = @mod.instance_method(@method)
@@ -69,35 +76,30 @@
   def parsed_source(file)
     File.readlines(file).map do |line|
       case line
       when /^\s*# ?(.*)$/ then $1
       when /^\s*end/ then :end
-      else nil
       end
     end
   end
 
   def extract_comments(from:, before_line:)
     parsed_source = from
 
     # go down from before_line until we see a line which is either a comment
     # or an :end. Note that the line at before_line-1 should be the first
     # line of the method definition in question.
-    last_line = before_line-1
-    while last_line >= 0 && !parsed_source[last_line] do
-      last_line -= 1
-    end
+    last_line = before_line - 1
+    last_line -= 1 while last_line >= 0 && !parsed_source[last_line]
 
     first_line = last_line
-    while first_line >= 0 && parsed_source[first_line] do
-      first_line -= 1
-    end
+    first_line -= 1 while first_line >= 0 && parsed_source[first_line]
     first_line += 1
 
-    comments = parsed_source[first_line .. last_line]
+    comments = parsed_source[first_line..last_line]
     if comments.include?(:end)
       []
     else
-      parsed_source[first_line .. last_line]
+      parsed_source[first_line..last_line]
     end
   end
 end