Sha256: 1b6de5d68c542071d255454d5033b4e27c6b28c2781a33a5b2ebd26139b68f97
Contents?: true
Size: 965 Bytes
Versions: 10
Compression:
Stored size: 965 Bytes
Contents
require 'getoptlong'
# = GetoptLong
#
# Ruby's standard GetoptLong class with an added DSL.
#
# opts = GetoptLong.new do
# reqs '--expect', '-x'
# flag '--help', '-h'
# end
#
# See GetoptLong::DSL for details.
class GetoptLong
alias :init :initialize
#
def initialize(*arguments, &block)
if block_given?
raise ArgumentError unless arguments.empty?
arguments = DSL.new(&block).arguments
end
init(*arguments)
end
# DSL-mode parser.
class DSL
attr :arguments
def initialize(&block)
@arguments = []
instance_eval(&block)
end
#
def flag(*opts)
@arguments << (opts << GetoptLong::NO_ARGUMENT)
end
#
def required(*opts)
@arguments << (opts << GetoptLong::REQUIRED_ARGUMENT)
end
#
alias :reqs :required
#
def optional(*opts)
@arguments << (opts << GetoptLong::OPTIONAL_ARGUMENT)
end
#
alias :opts :optional
end
end
Version data entries
10 entries across 9 versions & 2 rubygems