Class: EasySettings::Struct

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/easy-settings/struct.rb

Constant Summary collapse

UnknownPropertyError = 
Class.new(StandardError)

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(properties = {}) ⇒ Struct

Returns a new instance of Struct.



22
23
24
 
# File 'lib/easy-settings/struct.rb', line 22

def initialize(properties = {})
  @properties = properties
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(method, *args) ⇒ Object 



46
47
48
49
50
51
52
53
 
# File 'lib/easy-settings/struct.rb', line 46

def method_missing(method, *args)
  method = method.to_s
  return @properties.fetch(method) unless method.end_with?("=")
  property = method[0..-2]
  @properties[property] = args[0]
rescue KeyError => e
  raise_unknown_property(method)
end

Class Method Details

.import(hash) ⇒ Object 



8
9
10
11
12
13
14
15
16
17
18
19
20
 
# File 'lib/easy-settings/struct.rb', line 8

def self.import(hash)
  new.tap do |struct|
    hash.each do |k, v|
      case v
      when Hash
        v = import(v)
      when Array
        v = v.collect{ |i| i.is_a?(Hash) ? import(i) : i }
      end
      struct[k] = v
    end
  end
end

Instance Method Details

#[](property) ⇒ Object 



26
27
28
 
# File 'lib/easy-settings/struct.rb', line 26

def [](property)
  @properties.fetch(property.to_s){ raise_unknown_property(property) }
end

#[]=(property, value) ⇒ Object 



30
31
32
 
# File 'lib/easy-settings/struct.rb', line 30

def []=(property, value)
  @properties[property.to_s] = value
end

#raise_unknown_property(property) ⇒ Object

Raises:



55
56
57
 
# File 'lib/easy-settings/struct.rb', line 55

def raise_unknown_property(property)
  raise UnknownPropertyError, "unknown property #{property.inspect} (#{@properties.keys.map(&:inspect).join(", ")})"
end

#respond_to?(property, include_private = false) ⇒ Boolean

Returns:

  • (Boolean) 


42
43
44
 
# File 'lib/easy-settings/struct.rb', line 42

def respond_to?(property, include_private = false)
  @properties.has_key?(property.to_s)
end

#to_h ⇒ Object 



38
39
40
 
# File 'lib/easy-settings/struct.rb', line 38

def to_h
  @properties.transform_values{ |v| v.is_a?(EasySettings::Struct) ? v.to_h : v }
end

#try(property) ⇒ Object 



34
35
36
 
# File 'lib/easy-settings/struct.rb', line 34

def try(property)
  @properties[property.to_s]
end