Implement Thor

- Remove old sapling.rb file
- Add new directory bin/
- Add new version of sapling.rb

bin/sapling.rb

@@ -0,0 +1,45 @@
+#!/usr/bin/env ruby
+
+require 'thor'
+require 'yaml'
+
+Dir[File.join(__dir__, 'lib', '*.rb')].each { |file| require file }
+
+# The main Sapling interface.
+class Sapling < Thor
+  desc 'read TREE', 'Load and traverse the TREE'
+  def read(tree)
+    exit if verify_tree(tree)
+    puts 'Welcome to Sapling, a Dialogue Tree Utility.'
+    speaker = Dialogue::Speaker.new(YAML.load_file(tree), false)
+    speaker.conversation
+  end
+
+  desc 'edit TREE', 'Edit a new or existing TREE'
+  def edit(tree = '')
+    puts 'Welcome to Sapling, a Dialogue Tree Utility.'
+    if !tree.empty?
+      puts "Loading tree: #{tree}"
+      exit if verify_tree(tree)
+      gardner = Planter::Spade.new(YAML.load_file(tree, false))
+    else
+      puts 'Creating a new tree!'
+      gardner = Planter::Spade.new(SKELETON_TREE)
+    end
+    gardner.plant
+  end
+
+  desc 'serve TREE', 'Load TREE in a web-based interface'
+  def serve(tree)
+    exit if verify_tree(tree)
+    puts 'Sinatra will be cool.'
+  end
+
+  desc 'export TREE', 'Save a portable HTML version of TREE'
+  def export(tree)
+    exit if verify_tree(tree)
+    puts 'Cool feature, bro!'
+  end
+end
+
+Sapling.start(ARGV)

sapling.rb

@@ -1,79 +0,0 @@
-#!/usr/bin/env ruby
-
-require 'optparse'
-require 'yaml'
-
-Dir[File.join(__dir__, 'lib', '*.rb')].each { |file| require file }
-
-# Sapling is the main module for the program. From here, the rest of the world
-# starts building.
-module Sapling
-  # CLI is the class for option parsing, and the gateway to the program, on the
-  # command line
-  class CLI
-    # Option parsing, and gateway to either reading and traversing a tree, or
-    # editing/creating a tree.
-    def talk(options)
-      opt_parser = OptionParser.new do |opt|
-        opt.banner = "Usage: sapling -t FILE\n" \
-                     "Usage: sapling -e [FILE]"
-
-        opt.on_tail("-h", "--help", "Show this menu") do
-          puts opt
-          exit
-        end
-
-        opt.on("-t", "--talk",
-               "Begin traversing the provided dialogue tree") do
-
-          if ARGV.empty?
-            puts "No tree file provided. Please provide a tree file."
-            puts opt_parser
-            exit
-          end
-
-          unless verify_tree(ARGV[0])
-            puts "\n#{opt}\n"
-            exit
-          end
-
-          puts "Welcome to Sapling, a Dialogue Tree Utility.\n"
-          speaker = Dialogue::Speaker.new(YAML.load_file(ARGV[0]),false)
-          speaker.conversation
-        end
-
-        opt.on("-e", "--edit",
-               "Create or edit a dialogue tree") do
-
-          if ARGV.empty?
-            puts "Creating a new tree."
-            tree = SKELETON_TREE
-          else
-            puts "Using tree at #{ARGV[0]}."
-            unless verify_tree(ARGV[0])
-              puts "\n#{opt}\n"
-              exit
-            end
-            tree = YAML.load_file(ARGV[0])
-          end
-
-          puts "Welcome to Sapling, a Dialogue Tree Utility.\n"
-          gardner = Planter::Spade.new(tree)
-          gardner.plant
-        end
-
-      end
-
-      # Handle bad options gracefully
-      begin
-        opt_parser.parse!(options)
-      rescue OptionParser::InvalidOption
-        puts "Invalid option."
-        puts opt_parser
-        exit
-      end
-    end
-  end
-end
-
-Sapling::CLI.new.talk(ARGV)