Class: Mixlib::Config::Configurable
- Inherits:
-
Object
- Object
- Mixlib::Config::Configurable
- Defined in:
- lib/mixlib/config/configurable.rb
Instance Method Summary collapse
- #defaults_to(default_value = nil, &block) ⇒ Object
- #get(config) ⇒ Object
-
#initialize(symbol) ⇒ Configurable
constructor
A new instance of Configurable.
- #set(config, value) ⇒ Object
- #writes_value(&block) ⇒ Object
Constructor Details
#initialize(symbol) ⇒ Configurable
Returns a new instance of Configurable.
22 23 24 25 26 27 |
# File 'lib/mixlib/config/configurable.rb', line 22 def initialize(symbol) @symbol = symbol @default = nil @default_value = nil @writes_value = nil end |
Instance Method Details
#defaults_to(default_value = nil, &block) ⇒ Object
29 30 31 32 33 |
# File 'lib/mixlib/config/configurable.rb', line 29 def defaults_to(default_value = nil, &block) @default = block @default_value = default_value self end |
#get(config) ⇒ Object
40 41 42 43 44 45 46 47 48 49 50 51 52 53 |
# File 'lib/mixlib/config/configurable.rb', line 40 def get(config) if config.has_key?(@symbol) config[@symbol] elsif @default @default.call else begin # Some things cannot be dup'd, and you won't know this till after the fact config[@symbol] = @default_value.dup rescue TypeError @default_value end end end |
#set(config, value) ⇒ Object
55 56 57 |
# File 'lib/mixlib/config/configurable.rb', line 55 def set(config, value) config[@symbol] = @writes_value ? @writes_value.call(value) : value end |
#writes_value(&block) ⇒ Object
35 36 37 38 |
# File 'lib/mixlib/config/configurable.rb', line 35 def writes_value(&block) @writes_value = block self end |