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Contents
module Tins
module GO
module EnumerableExtension
def push(argument)
@arguments ||= []
@arguments.push argument
self
end
alias << push
def each(&block)
@arguments.each(&block)
self
end
include Enumerable
end
module_function
# Parses the argument array _args_, according to the pattern _s_, to
# retrieve the single character command line options from it. If _s_ is
# 'xy:' an option '-x' without an option argument is searched, and an
# option '-y foo' with an option argument ('foo').
#
# An option hash is returned with all found options set to true or the
# found option argument.
def go(s, args = ARGV)
b, v = s.scan(/(.)(:?)/).inject([ {}, {} ]) { |t, (o, a)|
a = a == ':'
t[a ? 1 : 0][o] = a ? nil : false
t
}
r = []
while a = args.shift
/\A-(?<p>.+)/ =~ a or (r << a; next)
until p == ''
o = p.slice!(0, 1)
if v.key?(o)
if p.empty? && args.empty?
r << a
break 1
elsif p == ''
a = args.shift
else
a = p
end
if v[o].nil?
a = a.dup
a.extend EnumerableExtension
a << a
v[o] = a
else
v[o] << a
end
break
elsif b.key?(o)
if b[o]
b[o] += 1
else
b[o] = 1
end
else
r << a
end
end && break
end
args.replace r
b.merge(v)
end
end
end
require 'tins/alias'
Version data entries
32 entries across 30 versions & 4 rubygems