lib/rbst.rb in RbST-0.5.1 vs lib/rbst.rb in RbST-0.6.0

@@ -1,15 +1,15 @@
-# encoding: UTF-8
+# frozen_string_literal: true
 
 class RbST
-  @@python_path="python"
+  @@python_path = 'python'
   @@executable_path = File.expand_path(
-    File.join(File.dirname(__FILE__), "rst2parts")
+    File.join(File.dirname(__FILE__), 'rst2parts')
   )
   @@executables = {
-    :html  => File.join(@@executable_path, "rst2html.py"),
-    :latex => File.join(@@executable_path, "rst2latex.py")
+    html:  File.join(@@executable_path, 'rst2html.py'),
+    latex: File.join(@@executable_path, 'rst2latex.py')
   }
 
   # Takes a string or file path plus any additional options and converts the
   # input.
   def self.convert(*args)
@@ -31,29 +31,36 @@
   # Specify custom executables to use instead of the default rst2latex.py and
   # rst2html.py scripts. Takes a hash with two possible keys, :html and :latex,
   # which should contain a full path to the alternative executable.
   def self.executables=(exec_paths = {})
     if exec_paths.empty? || (exec_paths.keys & [:html, :latex]).empty?
-      raise ArgumentError, "Custom executable format must be :html or :latex"
+      raise ArgumentError, 'Custom executable format must be :html or :latex'
     end
+
     @@executables = @@executables.merge(exec_paths)
   end
+
   # Return the executable hash.
-  def self.executables; @@executables end
+  def self.executables
+    @@executables
+  end
 
   # Specify a python path or executable.
   def self.python_path=(path_to_python)
     @@python_path = path_to_python
   end
+
   # Return the python path.
-  def self.python_path; @@python_path end
+  def self.python_path
+    @@python_path
+  end
 
   # Takes a string or file path plus any additional options and creates a new
   # converter object.
   def initialize(*args)
     target = args.shift
-    @target  = File.exists?(target) ? File.read(target) : target rescue target
+    @target = File.exist?(target) ? File.read(target) : target rescue target
     @options = args
   end
 
   def convert # :nodoc:
     @output_format ||= :html
@@ -83,45 +90,48 @@
   def print_options(format)
     help = execute("#{@@python_path} #{@@executables[format]} --help")
     # Convert non-hyphenated long options to symbols
     help.gsub!(/(\-\-)([A-Za-z0-9]+)([=|\s])/, ':\2\3')
     # Convert hyphenated long options to quoted strings
-    help.gsub!(/(\-\-)([\w|\-]+)(\n)?[^$|^=|\]]?/, '\'\2\'\3')
+    help.gsub!(/(\-\-)([\w|\-]+)(\n)?[^=|\]]?/, '\'\2\'\3')
+
     # Convert equal signs to hashrocket
     help.gsub!(/\=/, ' => ')
     # Convert short options to symbols
     help.gsub!(/([^\w])\-(\w)([^\w])/, '\1:\2\1')
     # Convert short options with args get a hashrocket
     help.gsub!(/(:\w) </, '\1 => <')
     # Print converted help text
     puts help
   end
 
-protected
+  protected
 
-  def execute(command)
-    output = ''
-    IO.popen(command, "w+") do |f|
-      f.puts @target
-      f.close_write
-      output = f.read
+    def execute(command)
+      output = ''
+      IO.popen(command, 'w+') do |f|
+        f.puts @target
+        f.close_write
+        output = f.read
+      end
+      output
     end
-    output
-  end
 
-  def convert_options
-    @options.inject('') do |string, opt|
-      string + if opt.respond_to?(:each_pair)
-        convert_opts_with_args(opt)
-      else
-        opt.to_s.length == 1 ? " -#{opt}" : " --#{opt.to_s.gsub(/_/, '-')}"
+    def convert_options
+      @options.inject('') do |string, opt|
+        string + if opt.respond_to?(:each_pair)
+                   convert_opts_with_args(opt)
+                 elsif opt.to_s.length == 1
+                   " -#{opt}"
+                 else
+                   " --#{opt.to_s.gsub(/_/, '-')}"
+                 end
       end
     end
-  end
 
-  def convert_opts_with_args(opt)
-    opt.inject('') do |string, (flag, val)|
-      flag = flag.to_s.gsub(/_/, '-')
-      string + (flag.length == 1 ? " -#{flag} #{val}" : " --#{flag}=#{val}")
+    def convert_opts_with_args(opt)
+      opt.inject('') do |string, (flag, val)|
+        flag = flag.to_s.gsub(/_/, '-')
+        string + (flag.length == 1 ? " -#{flag} #{val}" : " --#{flag}=#{val}")
+      end
     end
-  end
 end