Module: ObjectifyHash

Included in:
GenericObject
Defined in:
lib/objectifyhash.rb,
lib/objectifyhash/version.rb

Defined Under Namespace

Classes: GenericObject

Constant Summary collapse

EXCEPTIONS = 
{
    data: Proc.new do | value | value; end
}
NULLABLE_KEYS = 
[]
VERSION = 
"2.3.2"

Instance Attribute Summary collapse

Instance Method Summary collapse

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m, *args, &block) ⇒ Object 



110
111
112
113
 
# File 'lib/objectifyhash.rb', line 110

def method_missing m, *args, &block
  super m, *args, &block if args.length > 0 or block_given?
  nil
end

Instance Attribute Details

#values_to_compare ⇒ Object

Returns the value of attribute values_to_compare.



6
7
8
 
# File 'lib/objectifyhash.rb', line 6

def values_to_compare
  @values_to_compare
end

Instance Method Details

#==(other) ⇒ Object 



100
101
102
103
104
105
106
107
 
# File 'lib/objectifyhash.rb', line 100

def == other
  return false unless other.respond_to? :values_to_compare
  return false unless self.values_to_compare - other.values_to_compare == [] #should not use == cuz arrays can have different orders
  (self.values_to_compare - ignore_equal ).each do |value|
    return false unless self.method(value).() == other.method(value).()
  end
  return true
end

#[](val) ⇒ Object

retro bunker compatibility

Raises:

  • (NameError) 


116
117
118
119
120
 
# File 'lib/objectifyhash.rb', line 116

def [] val
  $stderr.puts 'DEPRECATION WARNING #[] CALLED ON OBJECT'
  raise NameError unless self.respond_to?( val.to_sym )
  self.method( val ).call
end

#convert_and_define(hash) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
 
# File 'lib/objectifyhash.rb', line 23

def convert_and_define hash
  @original_hash = hash
  @values_to_compare||=[]
  @original_hash.each do |key, value|
    key = 'klass' if key == 'class'
    key = key.to_sym
    case
      when key == :id
        set :guid, value
      when key == :method
        set :verb, value
      when EXCEPTIONS.key?( key )
        set key, EXCEPTIONS[ key ].call( value )
      when value.is_a?(Hash)
        klass  = get_new_class key
        # puts "Going to instanciate class based on #{key}"
        object = klass.new( value )
        # puts 'success'
        set key, object
      when value.is_a?(Array)
        set key, objectify_array(value, key)
      else
        set key, value
    end
  end

  NULLABLE_KEYS.each do |key|
    unless self.respond_to?( key )
      set key, nil
    end
  end

end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


139
140
141
 
# File 'lib/objectifyhash.rb', line 139

def empty?
  self.values_to_compare.empty?
end

#eql? ⇒ Object 



5
 
# File 'lib/objectifyhash.rb', line 5

alias_method :eql?, :==

#get_new_class(name) ⇒ Object 



73
74
75
76
77
78
79
 
# File 'lib/objectifyhash.rb', line 73

def get_new_class name
  name = "#{name.capitalize}_".to_sym if Object.constants.include? name.capitalize.to_sym
  name = name.to_s.sub(/^_/, '').to_sym
  self.class.const_defined?(name.capitalize) ?
      self.class.const_get(name.capitalize) :
      self.class.const_set(name.capitalize, ObjectifyHash::GenericObject)
end

#ignore_equal(key = nil) ⇒ Object 



94
95
96
97
98
 
# File 'lib/objectifyhash.rb', line 94

def ignore_equal key = nil
  @ignore_equal||=[]
  @ignore_equal.push key if key
  @ignore_equal
end

#objectify_array(array, name) ⇒ Object 



58
59
60
61
62
63
64
65
66
67
68
69
70
71
 
# File 'lib/objectifyhash.rb', line 58

def objectify_array array,name
  array.map do |elem|
    if EXCEPTIONS.key? name
      EXCEPTIONS[ name ].call( elem )
    else
      if elem.is_a? Hash
        klass = get_new_class name.to_s.sub(/s$/, '').to_sym
        klass.new elem
      else
        elem
      end
    end
  end
end

#set(key, value) ⇒ Object 



82
83
84
85
86
 
# File 'lib/objectifyhash.rb', line 82

def set key, value
  method_name = Object.instance_methods.include?( key ) ? :"_#{key}_" : key.to_sym
  @values_to_compare.push method_name
  self.__send__(:define_singleton_method, method_name, Proc.new do value; end )
end

#to_h ⇒ Object 



122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
 
# File 'lib/objectifyhash.rb', line 122

def to_h
  h = {}
  values_to_compare.each do |m|
    if self.method( m ).().nil? and NULLABLE_KEYS.include?( m )
      next
    end
    if self.method( m ).().respond_to? :values_to_compare
      h[ m.to_sym ] = self.method( m ).().to_h
    elsif self.method( m ).().is_a? Array
      h[ m.to_sym ] = un_objectify_array( self.method( m ).() )
    else
      h[ m.to_sym ] = self.method( m ).()
    end
  end
  return h
end

#values_at(*args) ⇒ Object 



88
89
90
91
92
 
# File 'lib/objectifyhash.rb', line 88

def values_at *args
  args.map do |key|
    self.respond_to?( key ) ? self.method( key ).call : nil
  end
end