# File lib/mixlib/config/configurable.rb, line 22 def initialize(symbol) @symbol = symbol @default = nil @default_value = nil @writes_value = nil end
# File lib/mixlib/config/configurable.rb, line 29 def defaults_to(default_value = nil, &block) @default = block @default_value = default_value self end
# 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
# File lib/mixlib/config/configurable.rb, line 55 def set(config, value) config[@symbol] = @writes_value ? @writes_value.call(value) : value end
# File lib/mixlib/config/configurable.rb, line 35 def writes_value(&block) @writes_value = block self end