Module: Merb::Global::Providers

Included in:
DateProviders, MessageProviders, NumericProviders
Defined in:
lib/merb_global/providers.rb

Class Method Summary collapse

Class Method Details

.included(mod) ⇒ Object

:nodoc:



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# File 'lib/merb_global/providers.rb', line 4

def self.included(mod) #:nodoc:
  mod.module_eval do
    @@providers = {}
    @@providers_classes = {}
    ##
    # Creates a provider and/or returns already created one
    #
    # ==== Parames
    # provider<~to_s,~to_sym>:: A name of provider
    #
    # ==== Returns
    # provider<Provider>:: A new provider
    def self.[](provider)
      unless @@providers.include? provider.to_sym
        if @@providers_classes[provider.to_sym]
          @@providers[provider.to_sym] =
            @@providers_classes[provider.to_sym].new
        else
          require "merb_global/#{self.name.split("::").last.snake_case}/#{provider.to_s}"
          @@providers[provider.to_sym] = self.const_get(provider.camel_case).new
        end
      end
      @@providers[provider.to_sym]
    end
    # Registers the class under the given name
    # 
    # ==== Parameters
    # name<~to_sym>:: Name under which it is registered
    # klass<Class>:: Class of the provider
    def self.register(name, klass)
      @@providers_classes[name.to_sym] = klass
    end
  end
end