shell.rb in gamefic-1.2.0

- old
+ new
@@ -1,25 +1,75 @@
+require 'thor'
+require 'gamefic/engine/tty'
+require 'zip'
+require 'tmpdir'
+require 'yaml'
+
 module Gamefic
+  class Shell < Thor
+    map %w[--version -v] => :version
 
-  class Shell
-    autoload :Command, 'gamefic/shell/command'
+    desc "--version, -v", "Print the version"
+    def version
+      puts "gamefic #{Gamefic::VERSION}"
+    end
     
-    def initialize
-      @commands = {}
+    desc 'play FILE_NAME', 'Execute a compiled (.gfic) game'
+    option :verbose, type: :boolean, aliases: :v, desc: "Don't suppress Ruby exceptions"
+    def play(file)
+      Dir.mktmpdir 'gamefic_' do |dir|
+        puts 'Loading...'
+        decompress file, dir
+        run_game(dir)
+      end
+    rescue StandardError => e
+      puts "'#{file}' does not appear to be a valid Gamefic file."
+      show_exception(e) if options[:verbose]
     end
+
+    desc 'info FILE_NAME', 'Print information about a (.gfic) game'
+    option :verbose, type: :boolean, aliases: :v, desc: "Don't suppress Ruby exceptions"
+    def info(file)
+      Dir.mktmpdir 'gamefic_' do |dir|
+        decompress file, dir
+        metadata = YAML.load_file File.join(dir, 'metadata.yaml')
+        metadata.each { |k, v|
+          puts "#{k}: #{v}"
+        }
+      end
+    rescue StandardError, Zip::Error => e
+      puts "'#{file}' does not appear to be a valid Gamefic file."
+      show_exception(e) if options[:verbose]
+    end
     
-    def register cmd, cls
-      @commands[cmd] = cls
+    # Custom error message for invalid command or filename
+    def method_missing(symbol, *args)
+      raise UndefinedCommandError, "Could not find command or file named \"#{symbol}\"."
     end
     
-    def execute
-      command = ARGV[0]
-      cls = @commands[command]
-      if cls.nil?
-        Gamefic::Shell::Command::Play.new.run(['play'] + ARGV)
-      else
-        cls.new.run ARGV
+    private
+
+    def show_exception(exception)
+      puts exception.inspect
+      puts exception.backtrace.join("\n")
+    end
+
+    def decompress(zipfile, destination)
+      Zip::File.open(zipfile) do |z|
+        z.each do |entry|
+          FileUtils.mkdir_p File.join(destination, File.dirname(entry.name))
+          full_path = File.join(destination, entry.name)
+          entry.extract full_path unless File.exist?(full_path)
+        end
       end
     end
+
+    def run_game(directory)
+      story = Plot.new(Source::File.new(File.join(directory, 'scripts')))
+      story.script 'main'
+      story.metadata = YAML.load_file File.join(directory, 'metadata.yaml')
+      engine = Tty::Engine.new story
+      puts "\n"
+      engine.run
+    end
   end
-  
 end