Monkey patch for Mechanize

gistfile1.rb

class Mechanize
  class Page
    def initialize(uri=nil, response=nil, body=nil, code=nil, mech=nil)
      @encoding = nil

      method = response.respond_to?(:each_header) ? :each_header : :each
      re_test = /charset\s*=/i
      re_select = /charset\s*=\s*([^; "]+)/i
      response.send(method) do |header,v|
        next unless v =~ re_test
        encoding = v[re_select, 1]
        @encoding = encoding unless encoding == 'none'
      end

      # Force the encoding to be 8BIT so we can perform regular expressions.
      # We'll set it to the detected encoding later
      body.force_encoding('ASCII-8BIT') if body && body.respond_to?(:force_encoding)
      if !@encoding and body =~ /<meta\s+http-equiv\s*=\s*"?Content-Type"?(.*?)>/i
        encoding = $1[re_select, 1]
        @encoding = encoding unless encoding == 'none'
      end

      @encoding ||= Util.detect_charset(body)

      super(uri, response, body, code)
      @mech           ||= mech

      raise Mechanize::ContentTypeError.new(response['content-type']) unless
        response['content-type'] =~ /^(text\/html)|(application\/xhtml\+xml)/i
      @parser = @links = @forms = @meta = @bases = @frames = @iframes = nil
    end
  end
end