Module: Gibbler::String

Includes:
Object
Included in:
Addressable::URI, Bignum, Date, FalseClass, Fixnum, Float, MatchData, Regexp, String, Symbol, TrueClass, URI::Generic
Defined in:
lib/gibbler.rb

Overview

Creates a digest based on: CLASS:LENGTH:VALUE. This method can be used for any class where the to_s method returns an appropriate unique value for this instance. It’s used by default for Symbol, Class, Fixnum, and Bignum. e.g.

"str" => String:3:str => 509a839ca1744c72e37759e7684ff0daa3b61427
:sym  => Symbol:3:sym => f3b7b3ca9529002c6826b1ef609d3583c356c8c8

To use use method in other classes simply:

class MyStringLikeClass 
  include Gibbler::String
end

Class Method Summary collapse

Instance Method Summary collapse

Methods included from Object

#digest_cache, #freeze, #gibbled?, #gibbler, #gibbler_debug, #gibbler_fields, gibbler_fields

Class Method Details

.included(obj) ⇒ Object 



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# File 'lib/gibbler.rb', line 403

def self.included(obj)
  obj.extend Attic
  obj.attic :gibbler_cache
end

Instance Method Details

#__gibbler(digest_type = nil) ⇒ Object

Creates a digest for the current state of self.



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# File 'lib/gibbler.rb', line 409

def __gibbler(digest_type=nil)
  klass = self.class
  value = self.nil? ? "\0" : self.to_s
  a = Gibbler.digest "%s:%d:%s" % [klass, value.size, value], digest_type
  gibbler_debug klass, a, [klass, value.size, value]
  a
end