adblock2polipo.rb

#!/usr/bin/ruby

# convert adblock ruleset into polipo-forbidden format

if __FILE__ == $0

    if ARGV.length == 0
        exit("Usage: #{File.basename($0)} <adblockrules>")
    end

    if not File.exist?(ARGV[0])
        exit("The rules file (#{ARGV[0]}) doesn't exist")
    end

    dollar_re = Regexp.new(/(.*?)\$.*/)

    File.readlines(ARGV[0]).each {
        | line |
        unless line.empty?
            if (["[", "!", "~", "#", "@"].include?(line[0]) or
                line[0, 8] == "/adverti" or
                line.include?("##"))
                next
            end
            line = line.gsub(dollar_re, "\\1")
#           line = line.gsub("|http://", "")
            line = line.gsub("|", "")
            line = line.gsub("||", "")
            line = line.gsub(".", "\\.")
            line = line.gsub("*", ".*")
            line = line.gsub("?", "\\?")
            line = line.gsub("^", "[\\/:\\.=&\\?\\\\+\\-\\ ]+")
#           line = line.gsub("&", "\\&")
#           line = line.gsub("+", "\\+")
#           line = line.gsub("-", "\\-")
#           line = line.gsub(";", "\\;")
#           line = line.gsub("=", "\\=")
#           line = line.gsub("/", "\\/")
            puts(line.strip)
        end
    }
    puts("")

end

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## Reference:
## <https://sites.google.com/site/monkeesage/files/>

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