Class: AwesomeConf

Inherits:
Object
  • Object
show all
Defined in:
lib/awesome_conf.rb

Constant Summary collapse

@@strict = 
false

Instance Method Summary collapse

Constructor Details

#initialize(hash) ⇒ AwesomeConf

Create a new conf object You can instantiate a conf object with an Hash Or with the path of a YAML file



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# File 'lib/awesome_conf.rb', line 9

def initialize(hash)
  
  begin
    hash = YAML::load_file(hash) if String === hash
  rescue Exception => e
    raise e.class.new("AwesomeConf: Error loading yaml file: #{hash} (#{e})")
  end

  m = Module.new do
    instance_methods.each { |selector| remove_method(selector) }

    hash.each do |k, v|
      const_set('AC_' + k.to_s, v)
      module_eval <<-END_EVAL, __FILE__, __LINE__ + 1
        def #{k}
          #{'AC_'+ k.to_s}
        end
      END_EVAL
    end

  end

  extend m
  freeze
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(m) ⇒ Object 



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# File 'lib/awesome_conf.rb', line 41

def method_missing(m)
  raise "AwesomeConf: trying to access an inexisting configuration variable in a strict configuration environment: #{m}" if @@strict
  nil
end

Instance Method Details

#strict! ⇒ Object

Set to strict in order to raise when using an unfound conf variable



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# File 'lib/awesome_conf.rb', line 36

def strict!
  @@strict = true
  self
end