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 = 
"2.3.1"

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 



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# File 'lib/objectifyhash.rb', line 109

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.



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

def values_to_compare
  @values_to_compare
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/objectifyhash.rb', line 99

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) 


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# File 'lib/objectifyhash.rb', line 115

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 



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

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) 


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# File 'lib/objectifyhash.rb', line 138

def empty?
  self.values_to_compare.empty?
end

#eql? ⇒ Object 



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# File 'lib/objectifyhash.rb', line 4

alias_method :eql?, :==

#get_new_class(name) ⇒ Object 



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# File 'lib/objectifyhash.rb', line 72

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 



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# File 'lib/objectifyhash.rb', line 93

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

#objectify_array(array, name) ⇒ Object 



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# File 'lib/objectifyhash.rb', line 57

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 



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# File 'lib/objectifyhash.rb', line 81

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 



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# File 'lib/objectifyhash.rb', line 121

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 



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# File 'lib/objectifyhash.rb', line 87

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