Module: Exchanger::Attributes

Included in:

Element

Defined in:

lib/exchanger/attributes.rb

Instance Method Summary (collapse)

• - (Object) attributes

  Return the attributes hash with indifferent access.

• - (Object) attributes=(values = {})
• - (Object) change_key
• - (Object) id
• - (Object) identifier
• - (Object) method_missing(name, *args)

  Used for allowing accessor methods for dynamic attributes.

• - (Object) read_attribute(name)

  TODO: Add typecasting Read a value from the Document attributes.

• - (Boolean) respond_to?(name)

  Override respond_to? so it responds properly for dynamic attributes.

• - (Object) write_attribute(name, value)

  TODO: Add typecasting.

51
52
53
54
55
56
57
58
59

# File 'lib/exchanger/attributes.rb', line 51

def method_missing(name, *args)
  attr = name.to_s.sub("=", "")
  return super unless attributes.has_key?(attr)
  if name.to_s.ends_with?("=")
    write_attribute(attr, *args)
  else
    read_attribute(attr)
  end
end

10
11
12

# File 'lib/exchanger/attributes.rb', line 10

def attributes
  @attributes.with_indifferent_access
end

3
4
5
6
7

# File 'lib/exchanger/attributes.rb', line 3

def attributes=(values = {})
  values.each do |name, value|
    write_attribute(name, value)
  end
end

41
42
43

# File 'lib/exchanger/attributes.rb', line 41

def change_key
  identifier && identifier.change_key
end

37
38
39

# File 'lib/exchanger/attributes.rb', line 37

def id
  identifier && identifier.id
end

29
30
31
32
33
34
35

# File 'lib/exchanger/attributes.rb', line 29

def identifier
  if self.class.identifier_name
    @identifier ||= self.send(self.class.identifier_name)
    @identifier.tag_name = self.class.identifier_name.to_s.camelize if @identifier
    @identifier
  end
end

17
18
19
20
21

# File 'lib/exchanger/attributes.rb', line 17

def read_attribute(name)
  name = name.to_s
  value = @attributes[name]
  accessed(name, value)
end

46
47
48

# File 'lib/exchanger/attributes.rb', line 46

def respond_to?(name)
  (@attributes && @attributes.has_key?(name.to_s)) || super
end

24
25
26
27

# File 'lib/exchanger/attributes.rb', line 24

def write_attribute(name, value)
  name = name.to_s
  modify(name, @attributes[name], value)
end