Class: Simplifier

Inherits:
Object
  • Object
show all
Defined in:
lib/simplifier.rb

Overview

Public: Reduce Ruby objects to a more primitive representation.

Defined Under Namespace

Classes: Circular, Unknown

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options = nil) ⇒ Simplifier

Public: Create a new instance.



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# File 'lib/simplifier.rb', line 28

def initialize(options = nil)
  @options = options || {}
  @symbols = Hash.new { |h, k| h[k] = k.to_s.freeze }
end

Instance Attribute Details

#options ⇒ Object (readonly)

Public: Get a Hash of Symbol-keyed options.



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# File 'lib/simplifier.rb', line 22

def options
  @options
end

#symbols ⇒ Object (readonly)

Internal: A Hash cache of String representations of Symbols.



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# File 'lib/simplifier.rb', line 25

def symbols
  @symbols
end

Instance Method Details

#simplify(object) ⇒ Object

Internal.



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# File 'lib/simplifier.rb', line 34

def simplify(object)
  case object
  when Array, Set
    object.map { |o| simplify o }

  when DateTime
    simplify object.to_time

  when Date
    object.iso8601

  when Hash
    {}.tap do |hash|
      object.each do |key, value|
        hash[simplify key] = simplify value
      end
    end

  when NilClass
    object

  when Numeric
    object

  when String
    return object if object.encoding == Encoding::BINARY

    object.encode Encoding::UTF_8,
      :invalid => :replace, :undef => :replace, :universal_newline => true

  when Symbol
    symbols[object]

  when Time
    object.utc.iso8601

  when TrueClass, FalseClass
    object

  else
    raise Unknown, object
  end
end