class FunWith::Configurations::TryObject

Public Class Methods

new( config ) click to toggle source

takes a Config object

# File lib/fun_with/configurations/try_object.rb, line 5
def initialize( config )
  @config  = config
  @success = true
  @leaf    = false
end

Public Instance Methods

[](method_key) click to toggle source
# File lib/fun_with/configurations/try_object.rb, line 15
def [] method_key
  follow_config_method_chain( method_key.to_sym )
end
config_method_chain_result( *keys ) click to toggle source
# File lib/fun_with/configurations/try_object.rb, line 36
def config_method_chain_result( *keys )
  keys = keys.flatten
  
  if success?
    keys.each do |k|
      follow_config_method_chain(k)
    end
  end
  
  TryResult.new( @config, success? )
end
follow_config_method_chain( method ) click to toggle source
# File lib/fun_with/configurations/try_object.rb, line 19
def follow_config_method_chain( method )
  if @success == true
    if @config.is_a?(Config) && @config.has_key?(method)
      @config = @config[method]
      unless @config.is_a?(Config)
        @leaf = true
      end
    elsif @leaf
      @leaf = false   # declare unsuccessful on next call.
    else
      @success = false
    end
  end
  
  self
end
method_missing( method, *args ) click to toggle source
# File lib/fun_with/configurations/try_object.rb, line 11
def method_missing( method, *args )
  follow_config_method_chain( method )
end
success?() click to toggle source
# File lib/fun_with/configurations/try_object.rb, line 48
def success?
  @success
end