Class: Dap::Filter::FilterTransform

Inherits:

Object

• Object
• Dap::Filter::FilterTransform

Includes:

Base

Defined in:

lib/dap/filter/simple.rb

Instance Attribute Summary

Attributes included from Base

#name, #opts

Instance Method Summary

• #process(doc) ⇒ Object

Methods included from Base

#initialize

Instance Method Details

#process(doc) ⇒ Object

# File 'lib/dap/filter/simple.rb', line 220

def process(doc)
  self.opts.each_pair do |k,v|
    if doc.has_key?(k)
      case v
      when /^int(?<base>\d+)?$/
        base = $LAST_MATCH_INFO['base']
        if base.nil?
          doc[k] = doc[k].to_s.to_i
        else
          doc[k] = doc[k].to_s.to_i(base.to_i)
        end
      when 'float'
        doc[k] = doc[k].to_f
      when 'reverse'
        doc[k] = doc[k].to_s.reverse
      when 'downcase'
        doc[k] = doc[k].to_s.downcase
      when 'upcase'
        doc[k] = doc[k].to_s.upcase
      when 'ascii'
        doc[k] = doc[k].to_s.gsub(/[\x00-\x1f\x7f-\xff]/n, '')
      when 'utf8encode'
        doc[k] = doc[k].to_s.encode!('UTF-8', invalid: :replace, undef: :replace, replace: '')
      when 'base64decode'
        doc[k] = doc[k].to_s.unpack('m*').first
      when 'base64encode'
        doc[k] = [doc[k].to_s].pack('m*').gsub(/\s+/n, '')
      when 'qprintdecode'
        doc[k] = doc[k].to_s.gsub(/=([0-9A-Fa-f]{2})/n){ |x| [x[1,2]].pack("H*") }
      when 'qprintencode'
        doc[k] = doc[k].to_s.gsub(/[\x00-\x20\x3d\x7f-\xff]/n){|x| ( "=%.2x" % x.unpack("C").first ).upcase }
      when 'hexdecode'
        doc[k] = [ doc[k].to_s ].pack("H*")
      when 'hexencode'
        doc[k] = doc[k].to_s.unpack("H*").first
      else
        fail "Invalid transform '#{v}'"
      end
    end
  end
 [ doc ]
end