class Liquefied - liquefied-0.7.0 Documentation

Public Class Methods

new(original, *default_args, method: :to_s, &default_block) click to toggle source

Public: Wrap an object with a default finalizer method

The object remains wrapped and responds to all its original methods until the finalizer method is called. The finalizer method can be set up with default arguments, which are passed if the method is called implicitly or with no options.

object - The original value to wrap

@example

Liquefied.new(12.333, method: [:to_s]) { |val| "%.2f" % val }
Liquefied.new(Date.new(2016,1,1), :to_s, :long)
#=> "January 1, 2016"

# File lib/liquefied.rb, line 25
def initialize(original, *default_args, method: :to_s, &default_block)
  @original = original
  @finalizer = ::Kernel::Array(method)
  @default_args = default_args
  @default_block = default_block
end

Public Instance Methods

==(other) click to toggle source

# File lib/liquefied.rb, line 40
def ==(other)
  @original == other
end

inspect() click to toggle source

# File lib/liquefied.rb, line 32
def inspect
  "#<Liquefied(#{@original.class}):#{@original.object_id}>"
end

itself() click to toggle source

# File lib/liquefied.rb, line 36
def itself
  @original
end

respond_to?(meth, include_all=false) click to toggle source

# File lib/liquefied.rb, line 44
def respond_to?(meth, include_all=false)
  @original.respond_to?(meth, include_all)
end

Private Instance Methods

_finalize!(method, *args, &block) click to toggle source

# File lib/liquefied.rb, line 63
def _finalize!(method, *args, &block)
  if block
    block.call(@original)
  elsif @default_block
    @default_block.call([@original, *args])
  else
    args = @default_args if args.empty?
    @original.public_send(method, *args, &block)
  end
end

_get_finalizer(method) click to toggle source

# File lib/liquefied.rb, line 74
def _get_finalizer(method)
  return @finalizer.first if @finalizer.include?(method)
  both = [*@finalizer, method]
  aliases = METHOD_ALIASES.find { |m| (m & both).size >= 2 }
  aliases.find { |m| @original.respond_to?(m, true) } if aliases
end

method_missing(method, *args, &block) click to toggle source

# File lib/liquefied.rb, line 50
def method_missing(method, *args, &block)
  if (final_method = _get_finalizer(method))
    _finalize!(final_method, *args, &block)
  else
    result = @original.public_send(method, *args, &block)
    if result.class == @original.class
      ::Liquefied.new(result, *@default_args, method: @finalizer, &@default_block)
    else
      result
    end
  end
end