Class: TreasureData::Command::List::CommandOption

Inherits:
OptionParser
  • Object
show all
Defined in:
lib/td/command/list.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(name, args, description) ⇒ CommandOption

Returns a new instance of CommandOption.



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# File 'lib/td/command/list.rb', line 7

def initialize(name, args, description)
  super()

  @name = name
  @description = description.to_s

  if args.last.to_s =~ /_$/
    @varlen = true
    args.push args.pop.to_s[0..-2]+'...'
  elsif args.last.to_s =~ /_\?$/
    @varlen = true
    args.push args.pop.to_s[0..-3]+'...?'
  end

  @req_args, opt_args = args.partition {|a| a.to_s !~ /\?$/ }
  @opt_args = opt_args.map {|a| a.to_s[0..-2].to_sym }
  @args = @req_args + @opt_args

  @usage_args = "#{@name}"
  @req_args.each {|a| @usage_args << " <#{a}>" }
  @opt_args.each {|a| @usage_args << " [#{a}]" }

  @has_options = false

  self.summary_indent = "  "

  banner  = "usage:\n"
  banner << "  $ #{File.basename($0)} #{@usage_args}\n"
  banner << "\n"
  banner << "description:\n"
  @description.split("\n").each {|l|
    banner << "  #{l}\n"
  }
  self.banner = banner

  @message = nil
  @argv = nil
end

Instance Attribute Details

#argv ⇒ Object

Returns the value of attribute argv.



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# File 'lib/td/command/list.rb', line 46

def argv
  @argv
end

#description ⇒ Object (readonly)

Returns the value of attribute description.



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# File 'lib/td/command/list.rb', line 105

def description
  @description
end

#message ⇒ Object

Returns the value of attribute message.



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# File 'lib/td/command/list.rb', line 46

def message
  @message
end

#name ⇒ Object (readonly)

Returns the value of attribute name.



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# File 'lib/td/command/list.rb', line 104

def name
  @name
end

Instance Method Details



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# File 'lib/td/command/list.rb', line 52

def banner
  s = super.dup
  if @has_options
    s << "\n"
    s << "options:\n"
  end
  s << "\n"
  s
end

#cmd_parse(argv = @argv||ARGV) ⇒ Object 



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# File 'lib/td/command/list.rb', line 66

def cmd_parse(argv=@argv||ARGV)
  parse!(argv)
  if argv.length < @req_args.length || (!@varlen && argv.length > @argv.length)
    cmd_usage nil
  end
  if argv.length <= 1
    return argv[0]
  else
    return argv
  end
rescue
  cmd_usage $!
end

#cmd_usage(msg = nil) ⇒ Object 



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# File 'lib/td/command/list.rb', line 80

def cmd_usage(msg=nil)
  puts self.message
  if msg
    puts ""
    puts "error: #{msg}"
  end
  exit 1
end

#group ⇒ Object 



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# File 'lib/td/command/list.rb', line 89

def group
  name.split(':', 2).first
end

#on(*argv) ⇒ Object 



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# File 'lib/td/command/list.rb', line 93

def on(*argv)
  @has_options = true
  super
end

#usage ⇒ Object 



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# File 'lib/td/command/list.rb', line 62

def usage
  "%-40s   # %s" % [@usage_args, @description]
end

#with_args(argv) ⇒ Object 



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# File 'lib/td/command/list.rb', line 98

def with_args(argv)
  d = dup
  d.argv = argv
  d
end