Class: Objectifier::TransformerFactory

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ TransformerFactory

Returns a new instance of TransformerFactory.



5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
 
# File 'lib/objectifier/transformer_factory.rb', line 5

def initialize
  @t = Hash.new { |h,k| raise "unknown type #{@type}" }

  @t[:boolean] = lambda do |name, value|
    case value
    when true, 'true', 1, '1'
      ValueResult.new(name, true)
    when false, 'false', 0, '0'
      ValueResult.new(name, false)
    else
      ErrorResult.err(name, 'not boolean')
    end
  end

  @t[:symbol] = ->(name, value) { ValueResult.new(name, value.to_sym) }

  @t[:string] = ->(name, value) { ValueResult.new(name, value.to_s) }

  @t[:integer] = lambda do |name, value|
    begin
      ValueResult.new(name, Integer(value))
    rescue => e
      ErrorResult.err(name, e.message)
    end
  end

  @t[:fixnum] = @t[:integer]

  @t[:bignum] = @t[:integer]

  @t[:float] = lambda do |name, value|
    begin
      ValueResult.new(name, Float(value))
    rescue => e
      ErrorResult.err(name, e.message)
    end
  end
end

Instance Method Details

#add_type(type, transformer) ⇒ Object 



44
45
46
 
# File 'lib/objectifier/transformer_factory.rb', line 44

def add_type(type, transformer)
  @t[type] = transformer
end

#for_type(type) ⇒ Object 



48
49
50
 
# File 'lib/objectifier/transformer_factory.rb', line 48

def for_type(type)
  @t[type]
end