Class: DenkoCLI::Parser

Inherits:
Object
  • Object
show all
Includes:
Helper
Defined in:
lib/denko_cli/parser.rb

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Helper

#error, #missing_files, #targets, #usage

Constructor Details

#initialize(options = {}) ⇒ Parser

Returns a new instance of Parser.



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# File 'lib/denko_cli/parser.rb', line 5

def initialize(options={})
  @options = options
end

Class Method Details

.run(options = {}) ⇒ Object 



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# File 'lib/denko_cli/parser.rb', line 9

def self.run(options={})
  self.new(options).parse
end

Instance Method Details

#parse ⇒ Object 



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# File 'lib/denko_cli/parser.rb', line 13

def parse
  # Ensure we have arguments.
  args = @options[:args].dup
  error("No arguments given") if args.empty?

  # Ensure task is the first argument.
  @options[:task] = args.shift

  # If the task is a help command, just run it, don't return.
  usage if @options[:task].match /help|usage/
  targets if @options[:task].match /targets/

  # Ensure there's only one task
  error "Invalid task '#{@options[:task]}'" unless DenkoCLI::TASKS.include? @options[:task]

  # Parse the rest loosely.
  loop do
    case args[0]
      when 'serial'
        args.shift; set_sketch("serial")
      when 'ethernet'
        args.shift; set_sketch("ethernet")
      when 'wifi'
        args.shift; set_sketch("wifi")
      when '--baud'
        args.shift; @options[:baud] = args.shift
      when '--target'
        args.shift; set_target(args.shift)
      when '--mac'
        args.shift; @options[:mac] = args.shift
      when '--ip'
        args.shift; @options[:ip] = args.shift
      when '--ssid'
        args.shift; @options[:ssid] = args.shift
      when '--password'
        args.shift; @options[:password] = args.shift
      when '--port'
        args.shift; @options[:port] = args.shift
      when '--debug'
        args.shift; @options[:debug] = true
      when /^-/
        error "Invalid argument '#{args[0]}'"
      else break
    end
  end
  error "No valid sketch specified" if @options[:sketch_name].nil?

  @options
end

#set_sketch(name) ⇒ Object 



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# File 'lib/denko_cli/parser.rb', line 63

def set_sketch(name)
  error "More than one sketch specified" unless @options[:sketch_name].nil?
  @options[:sketch_name] = "denko_#{name}"
end

#set_target(target) ⇒ Object 



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# File 'lib/denko_cli/parser.rb', line 68

def set_target(target)
  targets = DenkoCLI::Generator::TARGETS.each_key.map{|a| a.to_s}
  error "Invalid target '#{target}'", :targets unless targets.include?(target)
  @options[:target] = target.to_sym
end