Refactor classes structure and add doc

.gitignore

@@ -1,3 +1,4 @@
 *.gem
 .rvmrc
 .local*
+.yardoc

.yardopts

@@ -0,0 +1,13 @@
+--title             "Teamocil"
+
+--no-cache
+--protected
+--no-private
+
+--markup            "markdown"
+--markup-provider   "maruku"
+
+--format html
+
+"README.mkd"
+"lib/**/*.rb"

bin/teamocil

@@ -1,48 +1,8 @@
 #!/usr/bin/env ruby
 
-def bail(msg); puts msg; exit(1); end
-
 $:.unshift File.join(File.dirname(__FILE__), *%w[.. lib])
 
 require 'yaml'
 require 'teamocil'
-require 'optparse'
-require 'fileutils'
 
-bail "You must be in a tmux session to use teamocil" unless ENV["TMUX"]
-
-options = {}
-opts = OptionParser.new do |opts|
-  opts.banner = "Usage: teamocil [options] <layout>
-
-Options:
-  "
-  opts.on("--here", "Set up the first window in the current window") do
-    options[:here] = true
-  end
-
-  opts.on("--edit", "Edit the YAML layout file instead of using it") do
-    options[:edit] = true
-  end
-
-  opts.on("--layout [LAYOUT]", "Use a specific layout file, instead of ~/.teamocil/<layout>.yml") do |layout|
-    options[:layout] = layout
-  end
-
-end
-opts.parse!
-
-if options.include?(:layout)
-  file = options[:layout]
-else
-  file = File.join("#{ENV["HOME"]}/.teamocil", "#{ARGV[0]}.yml")
-end
-
-if options[:edit]
-  FileUtils.touch file unless File.exists?(file)
-  system("$EDITOR \"#{file}\"")
-else
-  bail "There is no file \"#{file}\"" unless File.exists?(file)
-  layout = Teamocil::Layout.new(file, options)
-  layout.to_tmux
-end
+Teamocil::CLI.new(ARGV, ENV)

lib/teamocil.rb

@@ -1,4 +1,5 @@
 module Teamocil
   VERSION = '0.1.9'
   autoload :Layout, "teamocil/layout"
+  autoload :CLI,    "teamocil/cli"
 end

lib/teamocil/cli.rb

@@ -0,0 +1,65 @@
+require 'optparse'
+require 'fileutils'
+
+module Teamocil
+  # This class handles interaction with the `tmux` utility.
+  class CLI
+
+    # Initialize a new run of `tmux`
+    #
+    # @param argv [Hash] the command line parameters hash (usually `ARGV`).
+    # @param env [Hash] the environment variables hash (usually `ENV`).
+    def initialize(argv, env) # {{{
+      bail "You must be in a tmux session to use teamocil" unless env["TMUX"]
+
+      parse_options!
+      if @options.include?(:layout)
+        file = options[:layout]
+      else
+        file = ::File.join("#{env["HOME"]}/.teamocil", "#{argv[0]}.yml")
+      end
+
+      if @options[:edit]
+        ::FileUtils.touch file unless File.exists?(file)
+        system("$EDITOR \"#{file}\"")
+      else
+        bail "There is no file \"#{file}\"" unless File.exists?(file)
+        layout = Teamocil::Layout.new(file, @options)
+        layout.to_tmux
+      end
+    end # }}}
+
+    # Parse the command line options
+    def parse_options! # {{{
+      @options = {}
+      opts = ::OptionParser.new do |opts|
+        opts.banner = "Usage: teamocil [options] <layout>
+
+      Options:
+        "
+        opts.on("--here", "Set up the first window in the current window") do
+          @options[:here] = true
+        end
+
+        opts.on("--edit", "Edit the YAML layout file instead of using it") do
+          @options[:edit] = true
+        end
+
+        opts.on("--layout [LAYOUT]", "Use a specific layout file, instead of ~/.teamocil/<layout>.yml") do |layout|
+          @options[:layout] = layout
+        end
+
+      end
+      opts.parse!
+    end # }}}
+
+    # Print an error message and exit the utility
+    #
+    # @param msg [Mixed] something to print before exiting.
+    def bail(msg) # {{{
+      puts "[teamocil] #{msg}"
+      exit 1
+    end # }}}
+
+  end
+end

lib/teamocil/layout.rb

@@ -1,18 +1,25 @@
 module Teamocil
+  # This class act as a wrapper around a tmux YAML layout file.
   class Layout
 
-    attr_accessor :layout, :options
+    attr_accessor :options
 
+    # Initialize a new layout from a file
+    #
+    # @param file [String] the complete layout file path
+    # @param options [Hash]
     def initialize(file, options) # {{{
       @layout = YAML.load_file(file)
       @options = options
     end # }}}
 
+    # Generate commands and sends them to tmux
     def to_tmux # {{{
       commands = generate_commands
       execute_commands(commands)
     end # }}}
 
+    # Generate tmux commands based on the data found in the layout file
     def generate_commands # {{{
       output = []
 
@@ -62,6 +69,9 @@ module Teamocil
       output << "tmux select-pane -t 0"
     end # }}}
 
+    # Execute each command in the shell
+    #
+    # @param commands [Array] an array of complete commands to send to the shell
     def execute_commands(commands) # {{{
       `#{commands.join("; ")}`
     end # }}}