Class: XcodeAssetsGen::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/xcode_assets_gen.rb

Instance Method Summary collapse

Instance Method Details

#cli_flags ⇒ Object

set up defaults in its own method



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# File 'lib/xcode_assets_gen.rb', line 12

def cli_flags
  options = Slop::Options.new
  pwd = Dir.pwd
  options.banner =  "usage: tubes [options] ..."
  options.string    "-i", "--icon", "Set icon path, default is ./icon.png", default: File.join(pwd, "icon.png")
  options.string    "-l", "--launch_image_path", "Set launch image path, default is current path", default: pwd
  options.string    "-o", "--output", "Set output file path, default is ./Assets.xcassets", default: File.join(pwd, "Assets.xcassets")
  options.string    "-s", "--icon_set_list", "Set icon set list, default: ['ipad-ios7+', 'iphone-ios7+']", default: ['ipad-ios7+', 'iphone-ios7+']
  options
end

#main(command_line_options = "") ⇒ Object 



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# File 'lib/xcode_assets_gen.rb', line 42

def main(command_line_options="")
  parser = Slop::Parser.new cli_flags
  arguments = parse_arguments(command_line_options, parser)

  # --ip is a boolean, it is set to false even if left off by slop
  icon_path = arguments.fetch(:icon)
  launch_image_path = arguments.fetch(:launch_image_path)
  output = arguments.fetch(:output)
  icon_set_list = arguments.fetch(:icon_set_list)

  XcodeAssetsGen::IconGen.new.gen_icons(icon_set_list, output, icon_path)
  XcodeAssetsGen::LaunchImageGen.new.gen_launch_images(output, launch_image_path)
  XcodeAssetsGen.gen_top_contents_json(output)
end

#parse_arguments(command_line_options, parser) ⇒ Object 



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# File 'lib/xcode_assets_gen.rb', line 23

def parse_arguments(command_line_options, parser)
  begin
    # slop has the advantage over optparse that it can do strings and not just ARGV
    result = parser.parse command_line_options
    result.to_hash

  # Very important to not bury this begin/rescue logic in another method
  # otherwise it will be difficult to check to see if -h or --help was passed
  # in this case -h acts as an unknown option as long as we don't define it
  # in cli_flags.
  rescue Slop::UnknownOption
    # print help
    puts cli_flags
    exit
    # If, for your program, you can't exit here, then reraise Slop::UnknownOption
    # raise a custom exception, push the rescue up to main or track that "help was invoked"
  end
end