Class: Gemi::Options

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

Defined Under Namespace

Classes: YamlGivenError

Constant Summary collapse

TYPES = 
{
  "-u"          => :uninstall,
  "--uninstall" => :uninstall,
  "-n"          => :update,
  "--update"    => :update,
  "-c"          => :clean,
  "--clean"     => :clean,
}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ Options

Returns a new instance of Options.



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# File 'lib/gemi/options.rb', line 10

def initialize(argv)
  @confpath, @type, @gem_names, @yamls = parse(argv)
end

Instance Attribute Details

#confpath ⇒ Object (readonly)

Returns the value of attribute confpath.



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# File 'lib/gemi/options.rb', line 13

def confpath
  @confpath
end

#gem_names ⇒ Object (readonly)

Returns the value of attribute gem_names.



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# File 'lib/gemi/options.rb', line 13

def gem_names
  @gem_names
end

#type ⇒ Object (readonly)

Returns the value of attribute type.



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# File 'lib/gemi/options.rb', line 13

def type
  @type
end

#yamls ⇒ Object (readonly)

Returns the value of attribute yamls.



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# File 'lib/gemi/options.rb', line 13

def yamls
  @yamls
end

Class Method Details

.parse(argv) ⇒ Object 



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# File 'lib/gemi/options.rb', line 6

def self.parse(argv)
  new(argv)
end

Instance Method Details

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/gemi/options.rb', line 15

def empty?
  @yamls.empty? and @gem_names.empty?
end

#parse(argv) ⇒ Object 



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# File 'lib/gemi/options.rb', line 28

def parse(argv)
  confpath = GEMIRC

  if %w(-h --help).any?{|o| argv.include?(o)}
    return confpath, nil, [], []
  end

  if %w(-r --rc).include?(argv.first)
    confpath = argv[1]
    if not File.exist?(confpath)
      raise ConfNotFound, "config file not found in #{confpath}"
      exit
    end
    argv.shift
    argv.shift
  end

  case 
  when TYPES.key?(argv.first)
    type = TYPES[argv.first]
    args = argv[1..-1]

  when argv.first == "--"
    type = nil
    args = argv[1..-1]

  else # gem names only
    type = :install
    args = argv
  end

  case type 
  when nil # verbatim(--)
    yamls = []
    gem_names = args
  else
    yamls, gem_names = args.partition{|s| s =~ REXP_YAML}
    if [:update, :clean].include?(type) and not yamls.empty?
      raise YamlGivenError, "You cannot give yaml files with #{argv.first}"
    end
  end

  return confpath, type, gem_names, yamls
end