79 lines
1.7 KiB
Ruby
79 lines
1.7 KiB
Ruby
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module Locomotive
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class << self
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attr_accessor :config
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def config
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self.config = Configuration.new unless @config
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@config
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end
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end
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def self.configure
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self.config ||= Configuration.new
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yield(self.config)
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end
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class Configuration
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@@defaults = {
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:default_domain => 'rails.local.fr',
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:reserved_subdomains => %w{www admin email blog webmail mail support help site sites}
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}
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cattr_accessor :settings
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def initialize
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@@settings = self.class.get_from_hash(@@defaults)
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end
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def self.settings
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@@settings
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end
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def method_missing(name, *args, &block)
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self.settings.send(name, *args, &block)
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end
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protected
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# converts a hash map into a ConfigurationHash
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def self.get_from_hash(hash)
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config = ConfigurationHash.new
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hash.each_pair do |key, value|
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config[key] = value.is_a?(Hash) ? self.get_from_hash(value) : value
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end
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config
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end
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end
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# specialized hash for storing configuration settings
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class ConfigurationHash < Hash
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# ensure that default entries always produce
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# instances of the ConfigurationHash class
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def default(key=nil)
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include?(key) ? self[key] : self[key] = self.class.new
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end
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# retrieves the specified key and yields it
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# if a block is provided
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def [](key, &block)
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block_given? ? yield(super(key)) : super(key)
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end
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# provides member-based access to keys
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# i.e. params.id === params[:id]
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# note: all keys are converted to symbols
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def method_missing(name, *args, &block)
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if name.to_s.ends_with? '='
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send :[]=, name.to_s.chomp('=').to_sym, *args
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else
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send(:[], name.to_sym, &block)
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end
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end
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end
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end
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