46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
# File 'lib/icalendar/has_components.rb', line 46
def component(singular_name, find_by = :uid, klass = nil)
components = "#{singular_name}s"
self.components << components
component_var = "@#{components}"
define_method components do
if instance_variable_defined? component_var
instance_variable_get component_var
else
instance_variable_set component_var, []
end
end
define_method singular_name do |c = nil, &block|
if c.nil?
c = begin
klass ||= Icalendar.const_get singular_name.capitalize
klass.new
rescue NameError => ne
Icalendar.logger.warn ne.message
Component.new singular_name
end
end
add_component c, &block
end
define_method "find_#{singular_name}" do |id|
send(components).find { |c| c.send(find_by) == id }
end if find_by
define_method "add_#{singular_name}" do |c|
send singular_name, c
end
define_method "has_#{singular_name}?" do
!send(components).empty?
end
end
|