Class: Olelo::Config

Inherits:
Object show all
Includes:
Enumerable
Defined in:
lib/olelo/config.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(base = nil) ⇒ Config

Returns a new instance of Config.



7
8
9
10
 
# File 'lib/olelo/config.rb', line 7

def initialize(base = nil)
  @hash = {}
  @base = base.freeze
end

Instance Attribute Details

#base ⇒ Object (readonly)

Returns the value of attribute base.



5
6
7
 
# File 'lib/olelo/config.rb', line 5

def base
  @base
end

#hash ⇒ Object (readonly)

Returns the value of attribute hash.



5
6
7
 
# File 'lib/olelo/config.rb', line 5

def hash
  @hash
end

Class Method Details

.[](key) ⇒ Object 



56
57
58
 
# File 'lib/olelo/config.rb', line 56

def self.[](key)
  instance[key]
end

.instance ⇒ Object 



52
53
54
 
# File 'lib/olelo/config.rb', line 52

def self.instance
  @instance ||= Config.new
end

Instance Method Details

#[](key) ⇒ Object 



12
13
14
15
16
17
18
19
20
21
 
# File 'lib/olelo/config.rb', line 12

def [](key)
  key = key.to_s
  if i = key.index('.')
    not_found(key) unless Config === hash[key[0...i]]
    hash[key[0...i]][key[i+1..-1]]
  else
    not_found(key) if !hash.include?(key)
    hash[key]
  end
end

#[]=(key, value) ⇒ Object 



23
24
25
26
27
28
29
30
31
32
 
# File 'lib/olelo/config.rb', line 23

def []=(key, value)
  key = key.to_s
  if i = key.index('.')
    child(key[0...i])[key[i+1..-1]] = value
  elsif Hash === value
    child(key).update(value)
  else
    hash[key] = value.freeze
  end
end

#each(&block) ⇒ Object 



48
49
50
 
# File 'lib/olelo/config.rb', line 48

def each(&block)
  hash.each(&block)
end

#freeze ⇒ Object 



68
69
70
71
 
# File 'lib/olelo/config.rb', line 68

def freeze
  hash.freeze
  super
end

#load(file) ⇒ Object 



40
41
42
 
# File 'lib/olelo/config.rb', line 40

def load(file)
  load!(file) if File.file?(file)
end

#load!(file) ⇒ Object 



44
45
46
 
# File 'lib/olelo/config.rb', line 44

def load!(file)
  update(YAML.load_file(file))
end

#to_hash ⇒ Object 



60
61
62
63
64
65
66
 
# File 'lib/olelo/config.rb', line 60

def to_hash
  h = Hash.with_indifferent_access
  hash.each_pair do |k, v|
    h[k] = Config === v ? v.to_hash : v
  end
  h
end

#update(hash) ⇒ Object 



34
35
36
37
38
 
# File 'lib/olelo/config.rb', line 34

def update(hash)
  hash.each_pair do |key, value|
    self[key] = value
  end
end