diff options
Diffstat (limited to 'lib/shellwords.rb')
| -rw-r--r-- | lib/shellwords.rb | 31 |
1 files changed, 17 insertions, 14 deletions
diff --git a/lib/shellwords.rb b/lib/shellwords.rb index 60996be17c..7b16c6cb52 100644 --- a/lib/shellwords.rb +++ b/lib/shellwords.rb @@ -2,43 +2,46 @@ # original is shellwords.pl # # Usage: -# require 'shellwords.rb' +# require 'shellwords' # words = Shellwords.shellwords(line) # # or # +# require 'shellwords' # include Shellwords # words = shellwords(line) module Shellwords def shellwords(line) - return '' unless line - line.sub! /^\s+/, '' + unless line.kind_of?(String) + raise ArgumentError, "Argument must be String class object." + end + line.sub!(/^\s+/, '') words = [] while line != '' field = '' while true - if line.sub! /^"(([^"\\]|\\.)*)"/, '' then #" + if line.sub!(/^"(([^"\\]|\\.)*)"/, '') then #" snippet = $1 - snippet.gsub! /\\(.)/, '\1' + snippet.gsub!(/\\(.)/, '\1') elsif line =~ /^"/ then #" - raise ArgError, "Unmatched double quote: #{line}" - elsif line.sub! /^'(([^'\\]|\\.)*)'/, '' then #' + raise ArgumentError, "Unmatched double quote: #{line}" + elsif line.sub!(/^'(([^'\\]|\\.)*)'/, '') then #' snippet = $1 - snippet.gsub! /\\(.)/, '\1' + snippet.gsub!(/\\(.)/, '\1') elsif line =~ /^'/ then #' - raise ArgError, "Unmatched single quote: #{line}" - elsif line.sub! /^\\(.)/, '' then + raise ArgumentError, "Unmatched single quote: #{line}" + elsif line.sub!(/^\\(.)/, '') then snippet = $1 - elsif line.sub! /^([^\s\\'"]+)/, '' then #' + elsif line.sub!(/^([^\s\\'"]+)/, '') then #' snippet = $1 else - line.sub! /^\s+/, '' + line.sub!(/^\s+/, '') break end - field += snippet + field.concat(snippet) end - words += field + words.push(field) end words end |