Class: DMAPParser::TagContainer

Inherits:
Tag
  • Object
show all
Defined in:
lib/dmapparser/tag_container.rb

Overview

The TagContainer class is a Tag which contains other Tags

Instance Attribute Summary

Attributes inherited from Tag

#type, #value

Instance Method Summary collapse

Methods inherited from Tag

#to_dmap, #to_s

Constructor Details

#initialize(type, value = []) ⇒ TagContainer

Returns a new instance of TagContainer.



4
5
6
 
# File 'lib/dmapparser/tag_container.rb', line 4

def initialize(type, value = [])
  super
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *_arguments, &_block) ⇒ Object 



32
33
34
35
36
37
38
39
40
 
# File 'lib/dmapparser/tag_container.rb', line 32

def method_missing(method, *_arguments, &_block)
  if method =~ /(.*)\?$/
    has?(Regexp.last_match[1])
  elsif has?(method)
    get_value(method)
  else
    nil
  end
end

Instance Method Details

#get_tag(key) ⇒ Object 



21
22
23
24
 
# File 'lib/dmapparser/tag_container.rb', line 21

def get_tag(key)
  key = key.to_s
  value.find { |e| e.type.tag == key || e.type.name == key }
end

#get_value(key) ⇒ Object Also known as: [] 



14
15
16
17
18
19
 
# File 'lib/dmapparser/tag_container.rb', line 14

def get_value(key)
  return value[key] if key.is_a? Fixnum
  tag = get_tag(key)
  return unless tag
  tag.type.container? ? tag : tag.value
end

#has?(key) ⇒ Boolean

Returns:

  • (Boolean) 


28
29
30
 
# File 'lib/dmapparser/tag_container.rb', line 28

def has?(key)
  !get_tag(key).nil?
end

#inspect(level = 0) ⇒ Object 



8
9
10
11
12
 
# File 'lib/dmapparser/tag_container.rb', line 8

def inspect(level = 0)
  "#{'  ' * level}#{type}:\n" + value.reduce('') do |a, e|
    a + e.inspect(level + 1).chomp + "\n"
  end
end

#respond_to?(method) ⇒ Boolean

Returns:

  • (Boolean) 


42
43
44
45
 
# File 'lib/dmapparser/tag_container.rb', line 42

def respond_to?(method)
  method.to_s.match(/(.*)\??$/)
  has?(Regexp.last_match[1]) || super
end

#to_a ⇒ Object 



47
48
49
 
# File 'lib/dmapparser/tag_container.rb', line 47

def to_a
  value
end