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85 lines
1.4 KiB
Ruby
85 lines
1.4 KiB
Ruby
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#!/usr/local/bin/ruby
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#
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# parsearg.rb - parse arguments
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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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#
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#
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#
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$RCS_ID="$Header$"
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load("getopts.rb")
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def printUsageAndExit()
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if $USAGE
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eval($USAGE)
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end
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exit()
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end
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def setParenthesis(ex, opt, c)
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if opt != ""
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ex = sprintf("%s$OPT_%s%s", ex, opt, c)
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else
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ex = sprintf("%s%s", ex, c)
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end
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return ex
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end
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def setOrAnd(ex, opt, c)
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if opt != ""
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ex = sprintf("%s$OPT_%s %s%s ", ex, opt, c, c)
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else
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ex = sprintf("%s %s%s ", ex, c, c)
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end
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return ex
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end
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def setExpression(ex, opt, op)
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if !op
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ex = sprintf("%s$OPT_%s", ex, opt)
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return ex
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end
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case op.chr
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when "(", ")"
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ex = setParenthesis(ex, opt, op.chr)
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when "|", "&"
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ex = setOrAnd(ex, opt, op.chr)
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else
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return nil
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end
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return ex
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end
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def parseArgs(argc, nopt, single_opts, *opts)
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if (noOptions = getopts(single_opts, *opts)) == nil
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printUsageAndExit()
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end
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if nopt
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ex = nil
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pos = 0
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for o in nopt.split(/[()|&]/)
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pos += o.length
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ex = setExpression(ex, o, nopt[pos])
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pos += 1
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end
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begin
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if !eval(ex)
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printUsageAndExit()
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end
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rescue
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print "Format Error!! : \"" + nopt + "\"\t[parseArgs]\n"
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exit! -1
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end
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end
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if ARGV.length < argc
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printUsageAndExit()
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end
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return noOptions
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end
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