зеркало из https://github.com/github/ruby.git
117 строки
1.9 KiB
Ruby
117 строки
1.9 KiB
Ruby
#
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# getopts.rb -
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# $Release Version: $
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# $Revision$
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# $Date$
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# by Yasuo OHBA(SHL Japan Inc. Technology Dept.)
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#
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# --
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# this is obsolete; use getoptlong
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#
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# 2000-03-21
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# modified by Minero Aoki <aamine@dp.u-netsurf.ne.jp>
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#
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# 2002-03-05
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# rewritten by Akinori MUSHA <knu@ruby-lang.org>
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#
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$RCS_ID=%q$Header$
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def getopts(single_options, *options)
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boolopts = {}
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valopts = {}
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#
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# set defaults
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#
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single_options.scan(/.:?/) do |opt|
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if opt.size == 1
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boolopts[opt] = false
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else
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valopts[opt[0, 1]] = nil
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end
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end if single_options
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options.each do |arg|
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opt, val = arg.split(':', 2)
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if val
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valopts[opt] = val.empty? ? nil : val
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else
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boolopts[opt] = false
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end
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end
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#
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# scan
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#
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c = 0
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argv = ARGV
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while arg = argv.shift
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case arg
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when /\A--(.*)/
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if $1.empty? # xinit -- -bpp 24
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break
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end
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opt, val = $1.split('=', 2)
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if opt.size == 1
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argv.unshift arg
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return nil
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elsif valopts.key? opt # imclean --src +trash
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valopts[opt] = val || argv.shift or return nil
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elsif boolopts.key? opt # ruby --verbose
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boolopts[opt] = true
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else
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argv.unshift arg
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return nil
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end
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c += 1
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when /\A-(.+)/
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opts = $1
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until opts.empty?
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opt = opts.slice!(0, 1)
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if valopts.key? opt
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val = opts
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if val.empty? # ruby -e 'p $:'
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valopts[opt] = argv.shift or return nil
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else # cc -ohello ...
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valopts[opt] = val
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end
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c += 1
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break
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elsif boolopts.key? opt
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boolopts[opt] = true # ruby -h
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c += 1
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else
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argv.unshift arg
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return nil
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end
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end
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else
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argv.unshift arg
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break
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end
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end
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#
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# set
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#
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boolopts.each do |opt, val|
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eval "$OPT_#{opt} = val"
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end
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valopts.each do |opt, val|
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eval "$OPT_#{opt} = val"
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end
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c
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end
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