зеркало из https://github.com/github/ruby.git
47 строки
989 B
Ruby
47 строки
989 B
Ruby
# shellwords.rb
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# original is shellwords.pl
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#
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# Usage:
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# require 'shellwords.rb'
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# words = Shellwords.shellwords(line)
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#
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# or
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#
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# include Shellwords
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# words = shellwords(line)
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module Shellwords
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def shellwords(line)
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return '' unless line
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line.sub! /^\s+/, ''
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words = []
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while line != ''
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field = ''
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while true
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if line.sub! /^"(([^"\\]|\\.)*)"/, '' then #"
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snippet = $1
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snippet.gsub! /\\(.)/, '\1'
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elsif line =~ /^"/ then #"
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raise ArgError, "Unmatched double quote: #{line}"
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elsif line.sub! /^'(([^'\\]|\\.)*)'/, '' then #'
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snippet = $1
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snippet.gsub! /\\(.)/, '\1'
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elsif line =~ /^'/ then #'
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raise ArgError, "Unmatched single quote: #{line}"
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elsif line.sub! /^\\(.)/, '' then
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snippet = $1
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elsif line.sub! /^([^\s\\'"]+)/, '' then #'
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snippet = $1
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else
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line.sub! /^\s+/, ''
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break
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end
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field += snippet
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end
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words += field
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end
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words
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end
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module_function :shellwords
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end
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