Class: EasyHtmlGenerator::Config::ConfigHash

Inherits:
Hash
  • Object
show all
Defined in:
lib/easy_html_generator/config.rb

Overview

symbolizes the keys and makes the hash accessable via object attributes

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(hash = nil) ⇒ ConfigHash

Returns a new instance of ConfigHash.



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# File 'lib/easy_html_generator/config.rb', line 15

def initialize(hash = nil)
  super

  return unless hash

  hash = self.class.symbolize_keys hash
  hash.each { |k, v| self[k] = v }
end

Dynamic Method Handling

This class handles dynamic methods through the method_missing method

#method_missing(name, *args) ⇒ Object 



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# File 'lib/easy_html_generator/config.rb', line 24

def method_missing(name, *args)
  # setter
  if /^(\w+)=$/ =~ name
    self[Regexp.last_match(1).to_sym] = args[0]
  # getter
  else
    return super.method_missing name unless key? name
  end

  self[name]
end

Class Method Details

.symbolize_keys(obj) ⇒ Object 



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# File 'lib/easy_html_generator/config.rb', line 36

def self.symbolize_keys(obj)
  case obj
  when Array
    obj.inject([]) do |res, val|
      res << case val
             when Hash, Array
               symbolize_keys(val)
             else
               val
        end
      res
    end
  when Hash
    obj.inject(ConfigHash.new) do |res, (key, val)|
      nkey = case key
             when String
               key.to_sym
             else
               key
        end
      nval = case val
             when Hash, Array
               symbolize_keys(val)
             else
               val
        end
      res[nkey] = nval
      res
    end
  else
    obj
  end
end